1# libtool.m4 - Configure libtool for the host system. -*-Autoconf-*-
2## Copyright 1996-2001 Free Software Foundation, Inc.
3## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
4##
5## This program is free software; you can redistribute it and/or modify
6## it under the terms of the GNU General Public License as published by
7## the Free Software Foundation; either version 2 of the License, or
8## (at your option) any later version.
9##
10## This program is distributed in the hope that it will be useful, but
11## WITHOUT ANY WARRANTY; without even the implied warranty of
12## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13## General Public License for more details.
14##
15## You should have received a copy of the GNU General Public License
16## along with this program; if not, write to the Free Software
17## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18##
19## As a special exception to the GNU General Public License, if you
20## distribute this file as part of a program that contains a
21## configuration script generated by Autoconf, you may include it under
22## the same distribution terms that you use for the rest of that program.
23
24# serial 47 AC_PROG_LIBTOOL
25
26# AC_PROG_LIBTOOL
27# ---------------
28AC_DEFUN([AC_PROG_LIBTOOL],
29[AC_REQUIRE([_AC_PROG_LIBTOOL])dnl
30dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
31dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
32  AC_PROVIDE_IFELSE([AC_PROG_CXX],
33    [AC_LIBTOOL_CXX],
34    [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
35  ])])
36
37dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.
38dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run
39dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
40  AC_PROVIDE_IFELSE([AC_PROG_GCJ],
41    [AC_LIBTOOL_GCJ],
42    [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
43      [AC_LIBTOOL_GCJ],
44      [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],
45	[AC_LIBTOOL_GCJ],
46      [ifdef([AC_PROG_GCJ],
47	     [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])
48       ifdef([A][M_PROG_GCJ],
49	     [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ])])
50       ifdef([LT_AC_PROG_GCJ],
51	     [define([LT_AC_PROG_GCJ],
52		defn([LT_AC_PROG_GCJ])[AC_LIBTOOL_GCJ])])])])
53])])# AC_PROG_LIBTOOL
54
55
56# _AC_PROG_LIBTOOL
57# ----------------
58AC_DEFUN([_AC_PROG_LIBTOOL],
59[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
60AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
61AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
62
63# This can be used to rebuild libtool when needed
64LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"
65
66# Always use our own libtool.
67LIBTOOL='$(SHELL) $(top_builddir)/libtool --silent'
68AC_SUBST(LIBTOOL)dnl
69
70# Prevent multiple expansion
71define([AC_PROG_LIBTOOL], [])
72])# _AC_PROG_LIBTOOL
73
74
75# AC_LIBTOOL_SETUP
76# ----------------
77AC_DEFUN([AC_LIBTOOL_SETUP],
78[AC_PREREQ(2.50)dnl
79AC_REQUIRE([AC_ENABLE_SHARED])dnl
80AC_REQUIRE([AC_ENABLE_STATIC])dnl
81AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
82AC_REQUIRE([AC_CANONICAL_HOST])dnl
83AC_REQUIRE([AC_CANONICAL_BUILD])dnl
84AC_REQUIRE([AC_PROG_CC])dnl
85AC_REQUIRE([AC_PROG_LD])dnl
86AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
87AC_REQUIRE([AC_PROG_NM])dnl
88AC_REQUIRE([LT_AC_PROG_SED])dnl
89
90AC_REQUIRE([AC_PROG_LN_S])dnl
91AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
92# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
93AC_REQUIRE([AC_OBJEXT])dnl
94AC_REQUIRE([AC_EXEEXT])dnl
95dnl
96
97AC_LIBTOOL_SYS_MAX_CMD_LEN
98AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
99AC_LIBTOOL_OBJDIR
100
101AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
102_LT_AC_PROG_ECHO_BACKSLASH
103
104case $host_os in
105aix3*)
106  # AIX sometimes has problems with the GCC collect2 program.  For some
107  # reason, if we set the COLLECT_NAMES environment variable, the problems
108  # vanish in a puff of smoke.
109  if test "X${COLLECT_NAMES+set}" != Xset; then
110    COLLECT_NAMES=
111    export COLLECT_NAMES
112  fi
113  ;;
114esac
115
116# Sed substitution that helps us do robust quoting.  It backslashifies
117# metacharacters that are still active within double-quoted strings.
118Xsed='sed -e s/^X//'
119[sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g']
120
121# Same as above, but do not quote variable references.
122[double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g']
123
124# Sed substitution to delay expansion of an escaped shell variable in a
125# double_quote_subst'ed string.
126delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
127
128# Sed substitution to avoid accidental globbing in evaled expressions
129no_glob_subst='s/\*/\\\*/g'
130
131# Constants:
132rm="rm -f"
133
134# Global variables:
135default_ofile=libtool
136can_build_shared=yes
137
138# All known linkers require a `.a' archive for static linking (except M$VC,
139# which needs '.lib').
140libext=a
141ltmain="$ac_aux_dir/ltmain.sh"
142ofile="$default_ofile"
143with_gnu_ld="$lt_cv_prog_gnu_ld"
144
145AC_CHECK_TOOL(RANLIB, ranlib, :)
146AC_CHECK_TOOL(STRIP, strip, :)
147
148old_CC="$CC"
149old_CFLAGS="$CFLAGS"
150
151# Set sane defaults for various variables
152test -z "$AR" && AR=ar
153test -z "$AR_FLAGS" && AR_FLAGS=cru
154test -z "$AS" && AS=as
155test -z "$CC" && CC=cc
156test -z "$LTCC" && LTCC=$CC
157test -z "$DLLTOOL" && DLLTOOL=dlltool
158test -z "$LD" && LD=ld
159test -z "$LN_S" && LN_S="ln -s"
160test -z "$MAGIC_CMD" && MAGIC_CMD=file
161test -z "$NM" && NM=nm
162test -z "$SED" && SED=sed
163test -z "$OBJDUMP" && OBJDUMP=objdump
164test -z "$RANLIB" && RANLIB=:
165test -z "$STRIP" && STRIP=:
166test -z "$ac_objext" && ac_objext=o
167
168# Determine commands to create old-style static archives.
169old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs'
170old_postinstall_cmds='chmod 644 $oldlib'
171old_postuninstall_cmds=
172
173if test -n "$RANLIB"; then
174  case $host_os in
175  openbsd*)
176    old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds"
177    ;;
178  *)
179    old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
180    ;;
181  esac
182  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
183fi
184
185# Only perform the check for file, if the check method requires it
186case $deplibs_check_method in
187file_magic*)
188  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
189    AC_PATH_MAGIC
190  fi
191  ;;
192esac
193
194ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)
195ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
196enable_win32_dll=yes, enable_win32_dll=no)
197
198AC_ARG_ENABLE([libtool-lock],
199    [AC_HELP_STRING([--disable-libtool-lock],
200	[avoid locking (might break parallel builds)])])
201test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
202
203AC_ARG_WITH([pic],
204    [AC_HELP_STRING([--with-pic],
205	[try to use only PIC/non-PIC objects @<:@default=use both@:>@])],
206    [pic_mode="$withval"],
207    [pic_mode=default])
208test -z "$pic_mode" && pic_mode=default
209
210# Use C for the default configuration in the libtool script
211tagname=
212AC_LIBTOOL_LANG_C_CONFIG
213_LT_AC_TAGCONFIG
214])# AC_LIBTOOL_SETUP
215
216
217# _LT_AC_SYS_COMPILER
218# -------------------
219AC_DEFUN([_LT_AC_SYS_COMPILER],
220[AC_REQUIRE([AC_PROG_CC])dnl
221
222# If no C compiler was specified, use CC.
223LTCC=${LTCC-"$CC"}
224
225# Allow CC to be a program name with arguments.
226set dummy $CC
227compiler="[$]2"
228])# _LT_AC_SYS_COMPILER
229
230
231# _LT_AC_SYS_LIBPATH_AIX
232# ----------------------
233# Links a minimal program and checks the executable
234# for the system default hardcoded library path. In most cases,
235# this is /usr/lib:/lib, but when the MPI compilers are used
236# the location of the communication and MPI libs are included too.
237# If we don't find anything, use the default library path according
238# to the aix ld manual.
239AC_DEFUN([_LT_AC_SYS_LIBPATH_AIX],
240[AC_LINK_IFELSE(AC_LANG_PROGRAM,[
241aix_libpath=`dump -H conftest$ac_exeext 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
242}'`
243# Check for a 64-bit object if we didn't find anything.
244if test -z "$aix_libpath"; then aix_libpath=`dump -HX64 conftest$ac_exeext 2>/dev/null | sed -n -e '/Import File Strings/,/^$/ { /^0/ { s/^0  *\(.*\)$/\1/; p; }
245}'`; fi],[])
246if test -z "$aix_libpath"; then aix_libpath="/usr/lib:/lib"; fi
247])# _LT_AC_SYS_LIBPATH_AIX
248
249
250# _LT_AC_PROG_ECHO_BACKSLASH
251# --------------------------
252# Add some code to the start of the generated configure script which
253# will find an echo command which doesn't interpret backslashes.
254AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH],
255[ifdef([AC_DIVERSION_NOTICE],
256	     [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
257	 [AC_DIVERT_PUSH(NOTICE)])
258
259# Check that we are running under the correct shell.
260SHELL=${CONFIG_SHELL-/bin/sh}
261
262case X$ECHO in
263X*--fallback-echo)
264  # Remove one level of quotation (which was required for Make).
265  ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`
266  ;;
267esac
268
269echo=${ECHO-echo}
270if test "X[$]1" = X--no-reexec; then
271  # Discard the --no-reexec flag, and continue.
272  shift
273elif test "X[$]1" = X--fallback-echo; then
274  # Avoid inline document here, it may be left over
275  :
276elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
277  # Yippee, $echo works!
278  :
279else
280  # Restart under the correct shell.
281  exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
282fi
283
284if test "X[$]1" = X--fallback-echo; then
285  # used as fallback echo
286  shift
287  cat <<EOF
288[$]*
289EOF
290  exit 0
291fi
292
293# The HP-UX ksh and POSIX shell print the target directory to stdout
294# if CDPATH is set.
295if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
296
297if test -z "$ECHO"; then
298if test "X${echo_test_string+set}" != Xset; then
299# find a string as large as possible, as long as the shell can cope with it
300  for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
301    # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
302    if (echo_test_string="`eval $cmd`") 2>/dev/null &&
303       echo_test_string="`eval $cmd`" &&
304       (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null
305    then
306      break
307    fi
308  done
309fi
310
311if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
312   echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
313   test "X$echo_testing_string" = "X$echo_test_string"; then
314  :
315else
316  # The Solaris, AIX, and Digital Unix default echo programs unquote
317  # backslashes.  This makes it impossible to quote backslashes using
318  #   echo "$something" | sed 's/\\/\\\\/g'
319  #
320  # So, first we look for a working echo in the user's PATH.
321
322  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
323  for dir in $PATH /usr/ucb; do
324    IFS="$lt_save_ifs"
325    if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
326       test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
327       echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
328       test "X$echo_testing_string" = "X$echo_test_string"; then
329      echo="$dir/echo"
330      break
331    fi
332  done
333  IFS="$lt_save_ifs"
334
335  if test "X$echo" = Xecho; then
336    # We didn't find a better echo, so look for alternatives.
337    if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
338       echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&
339       test "X$echo_testing_string" = "X$echo_test_string"; then
340      # This shell has a builtin print -r that does the trick.
341      echo='print -r'
342    elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
343	 test "X$CONFIG_SHELL" != X/bin/ksh; then
344      # If we have ksh, try running configure again with it.
345      ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
346      export ORIGINAL_CONFIG_SHELL
347      CONFIG_SHELL=/bin/ksh
348      export CONFIG_SHELL
349      exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
350    else
351      # Try using printf.
352      echo='printf %s\n'
353      if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
354	 echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
355	 test "X$echo_testing_string" = "X$echo_test_string"; then
356	# Cool, printf works
357	:
358      elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
359	   test "X$echo_testing_string" = 'X\t' &&
360	   echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
361	   test "X$echo_testing_string" = "X$echo_test_string"; then
362	CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
363	export CONFIG_SHELL
364	SHELL="$CONFIG_SHELL"
365	export SHELL
366	echo="$CONFIG_SHELL [$]0 --fallback-echo"
367      elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
368	   test "X$echo_testing_string" = 'X\t' &&
369	   echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
370	   test "X$echo_testing_string" = "X$echo_test_string"; then
371	echo="$CONFIG_SHELL [$]0 --fallback-echo"
372      else
373	# maybe with a smaller string...
374	prev=:
375
376	for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
377	  if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null
378	  then
379	    break
380	  fi
381	  prev="$cmd"
382	done
383
384	if test "$prev" != 'sed 50q "[$]0"'; then
385	  echo_test_string=`eval $prev`
386	  export echo_test_string
387	  exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
388	else
389	  # Oops.  We lost completely, so just stick with echo.
390	  echo=echo
391	fi
392      fi
393    fi
394  fi
395fi
396fi
397
398# Copy echo and quote the copy suitably for passing to libtool from
399# the Makefile, instead of quoting the original, which is used later.
400ECHO=$echo
401if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
402   ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
403fi
404
405AC_SUBST(ECHO)
406AC_DIVERT_POP
407])# _LT_AC_PROG_ECHO_BACKSLASH
408
409
410# _LT_AC_LOCK
411# -----------
412AC_DEFUN([_LT_AC_LOCK],
413[AC_ARG_ENABLE([libtool-lock],
414    [AC_HELP_STRING([--disable-libtool-lock],
415	[avoid locking (might break parallel builds)])])
416test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
417
418# Some flags need to be propagated to the compiler or linker for good
419# libtool support.
420case $host in
421ia64-*-hpux*)
422  # Find out which ABI we are using.
423  echo 'int i;' > conftest.$ac_ext
424  if AC_TRY_EVAL(ac_compile); then
425    case `/usr/bin/file conftest.$ac_objext` in
426    *ELF-32*)
427      HPUX_IA64_MODE="32"
428      ;;
429    *ELF-64*)
430      HPUX_IA64_MODE="64"
431      ;;
432    esac
433  fi
434  rm -rf conftest*
435  ;;
436*-*-irix6*)
437  # Find out which ABI we are using.
438  echo '[#]line __oline__ "configure"' > conftest.$ac_ext
439  if AC_TRY_EVAL(ac_compile); then
440    case `/usr/bin/file conftest.$ac_objext` in
441    *32-bit*)
442      LD="${LD-ld} -32"
443      ;;
444    *N32*)
445      LD="${LD-ld} -n32"
446      ;;
447    *64-bit*)
448      LD="${LD-ld} -64"
449      ;;
450    esac
451  fi
452  rm -rf conftest*
453  ;;
454
455*-*-linux*)
456  # Test if the compiler is 64bit
457  echo 'int i;' > conftest.$ac_ext
458  if AC_TRY_EVAL(ac_compile); then
459    case `/usr/bin/file conftest.$ac_objext` in
460    *"ELF 32"*)
461      LINUX_64_MODE="32"
462      ;;
463    *"ELF 64"*)
464      LINUX_64_MODE="64"
465      ;;
466    esac
467  fi
468  rm -rf conftest*
469  ;;
470
471*-*-sco3.2v5*)
472  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
473  SAVE_CFLAGS="$CFLAGS"
474  CFLAGS="$CFLAGS -belf"
475  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
476    [AC_LANG_PUSH(C)
477     AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
478     AC_LANG_POP])
479  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
480    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
481    CFLAGS="$SAVE_CFLAGS"
482  fi
483  ;;
484ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
485[*-*-cygwin* | *-*-mingw* | *-*-pw32*)
486  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
487  AC_CHECK_TOOL(AS, as, false)
488  AC_CHECK_TOOL(OBJDUMP, objdump, false)
489
490  # recent cygwin and mingw systems supply a stub DllMain which the user
491  # can override, but on older systems we have to supply one
492  AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
493    [AC_TRY_LINK([],
494      [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
495      DllMain (0, 0, 0);],
496      [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
497
498  case $host/$CC in
499  *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
500    # old mingw systems require "-dll" to link a DLL, while more recent ones
501    # require "-mdll"
502    SAVE_CFLAGS="$CFLAGS"
503    CFLAGS="$CFLAGS -mdll"
504    AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
505      [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
506    CFLAGS="$SAVE_CFLAGS" ;;
507  *-*-cygwin* | *-*-pw32*)
508    # cygwin systems need to pass --dll to the linker, and not link
509    # crt.o which will require a WinMain@16 definition.
510    lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
511  esac
512  ;;
513  ])
514esac
515
516need_locks="$enable_libtool_lock"
517
518])# _LT_AC_LOCK
519
520
521# AC_LIBTOOL_COMPILER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
522#		[OUTPUT-FILE], [ACTION-SUCCESS], [ACTION-FAILURE])
523# ----------------------------------------------------------------
524# Check whether the given compiler option works
525AC_DEFUN([AC_LIBTOOL_COMPILER_OPTION],
526[AC_CACHE_CHECK([$1], [$2],
527  [$2=no
528  ifelse([$4], , [ac_outfile=conftest.$ac_objext], [ac_outfile=$4])
529   save_CFLAGS="$CFLAGS"
530   CFLAGS="$CFLAGS $3"
531   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
532   if (eval $ac_compile 2>conftest.err) && test -s $ac_outfile; then
533     # The compiler can only warn and ignore the option if not recognized
534     # So say no if there are warnings
535     if test -s conftest.err; then
536       # Append any errors to the config.log.
537       cat conftest.err 1>&AS_MESSAGE_LOG_FD
538     else
539       $2=yes
540     fi
541   fi
542   $rm conftest*
543   CFLAGS="$save_CFLAGS"
544])
545
546if test x"[$]$2" = xyes; then
547    ifelse([$5], , :, [$5])
548else
549    ifelse([$6], , :, [$6])
550fi
551])# AC_LIBTOOL_COMPILER_OPTION
552
553
554# AC_LIBTOOL_LINKER_OPTION(MESSAGE, VARIABLE-NAME, FLAGS,
555#                          [ACTION-SUCCESS], [ACTION-FAILURE])
556# ------------------------------------------------------------
557# Check whether the given compiler option works
558AC_DEFUN([AC_LIBTOOL_LINKER_OPTION],
559[AC_CACHE_CHECK([$1], [$2],
560  [$2=no
561   save_LDFLAGS="$LDFLAGS"
562   LDFLAGS="$LDFLAGS $3"
563   echo "$lt_simple_link_test_code" > conftest.$ac_ext
564   if (eval $ac_link 2>conftest.err) && test -s conftest$ac_exeext; then
565     # The compiler can only warn and ignore the option if not recognized
566     # So say no if there are warnings
567     if test -s conftest.err; then
568       # Append any errors to the config.log.
569       cat conftest.err 1>&AS_MESSAGE_LOG_FD
570     else
571       $2=yes
572     fi
573   fi
574   $rm conftest*
575   LDFLAGS="$save_LDFLAGS"
576])
577
578if test x"[$]$2" = xyes; then
579    ifelse([$4], , :, [$4])
580else
581    ifelse([$5], , :, [$5])
582fi
583])# AC_LIBTOOL_LINKER_OPTION
584
585
586# AC_LIBTOOL_SYS_MAX_CMD_LEN
587# --------------------------
588AC_DEFUN([AC_LIBTOOL_SYS_MAX_CMD_LEN],
589[# find the maximum length of command line arguments
590AC_MSG_CHECKING([the maximum length of command line arguments])
591AC_CACHE_VAL([lt_cv_sys_max_cmd_len], [dnl
592  i=0
593  testring="ABCD"
594
595  case $host_os in
596  msdosdjgpp*)
597    # On DJGPP, this test can blow up pretty badly due to problems in libc
598    # (any single argument exceeding 2000 bytes causes a buffer overrun
599    # during glob expansion).  Even if it were fixed, the result of this
600    # check would be larger than it should be.
601    lt_cv_sys_max_cmd_len=12288;    # 12K is about right
602    ;;
603
604  gnu*)
605    # Under GNU Hurd, this test is not required because there is
606    # no limit to the length of command line arguments.
607    # Libtool will interpret -1 as no limit whatsoever
608    lt_cv_sys_max_cmd_len=-1;
609    ;;
610
611  *)
612    # If test is not a shell built-in, we'll probably end up computing a
613    # maximum length that is only half of the actual maximum length, but
614    # we can't tell.
615    while (test "X"`$CONFIG_SHELL [$]0 --fallback-echo "X$testring" 2>/dev/null` \
616	       = "XX$testring") >/dev/null 2>&1 &&
617	    new_result=`expr "X$testring" : ".*" 2>&1` &&
618	    lt_cv_sys_max_cmd_len=$new_result &&
619	    test $i != 17 # 1/2 MB should be enough
620    do
621      i=`expr $i + 1`
622      testring=$testring$testring
623    done
624    testring=
625    # Add a significant safety factor because C++ compilers can tack on massive
626    # amounts of additional arguments before passing them to the linker.
627    # It appears as though 1/2 is a usable value.
628    lt_cv_sys_max_cmd_len=`expr $lt_cv_sys_max_cmd_len \/ 2`
629    ;;
630  esac
631])
632if test -n $lt_cv_sys_max_cmd_len ; then
633  AC_MSG_RESULT($lt_cv_sys_max_cmd_len)
634else
635  AC_MSG_RESULT(none)
636fi
637])# AC_LIBTOOL_SYS_MAX_CMD_LEN
638
639
640# _LT_AC_CHECK_DLFCN
641# --------------------
642AC_DEFUN([_LT_AC_CHECK_DLFCN],
643[AC_CHECK_HEADERS(dlfcn.h)dnl
644])# _LT_AC_CHECK_DLFCN
645
646
647# _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
648#                           ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
649# ------------------------------------------------------------------
650AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF],
651[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
652if test "$cross_compiling" = yes; then :
653  [$4]
654else
655  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
656  lt_status=$lt_dlunknown
657  cat > conftest.$ac_ext <<EOF
658[#line __oline__ "configure"
659#include "confdefs.h"
660
661#if HAVE_DLFCN_H
662#include <dlfcn.h>
663#endif
664
665#include <stdio.h>
666
667#ifdef RTLD_GLOBAL
668#  define LT_DLGLOBAL		RTLD_GLOBAL
669#else
670#  ifdef DL_GLOBAL
671#    define LT_DLGLOBAL		DL_GLOBAL
672#  else
673#    define LT_DLGLOBAL		0
674#  endif
675#endif
676
677/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
678   find out it does not work in some platform. */
679#ifndef LT_DLLAZY_OR_NOW
680#  ifdef RTLD_LAZY
681#    define LT_DLLAZY_OR_NOW		RTLD_LAZY
682#  else
683#    ifdef DL_LAZY
684#      define LT_DLLAZY_OR_NOW		DL_LAZY
685#    else
686#      ifdef RTLD_NOW
687#        define LT_DLLAZY_OR_NOW	RTLD_NOW
688#      else
689#        ifdef DL_NOW
690#          define LT_DLLAZY_OR_NOW	DL_NOW
691#        else
692#          define LT_DLLAZY_OR_NOW	0
693#        endif
694#      endif
695#    endif
696#  endif
697#endif
698
699#ifdef __cplusplus
700extern "C" void exit (int);
701#endif
702
703void fnord() { int i=42;}
704int main ()
705{
706  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
707  int status = $lt_dlunknown;
708
709  if (self)
710    {
711      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
712      else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
713      /* dlclose (self); */
714    }
715
716    exit (status);
717}]
718EOF
719  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
720    (./conftest; exit; ) 2>/dev/null
721    lt_status=$?
722    case x$lt_status in
723      x$lt_dlno_uscore) $1 ;;
724      x$lt_dlneed_uscore) $2 ;;
725      x$lt_unknown|x*) $3 ;;
726    esac
727  else :
728    # compilation failed
729    $3
730  fi
731fi
732rm -fr conftest*
733])# _LT_AC_TRY_DLOPEN_SELF
734
735
736# AC_LIBTOOL_DLOPEN_SELF
737# -------------------
738AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF],
739[AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
740if test "x$enable_dlopen" != xyes; then
741  enable_dlopen=unknown
742  enable_dlopen_self=unknown
743  enable_dlopen_self_static=unknown
744else
745  lt_cv_dlopen=no
746  lt_cv_dlopen_libs=
747
748  case $host_os in
749  beos*)
750    lt_cv_dlopen="load_add_on"
751    lt_cv_dlopen_libs=
752    lt_cv_dlopen_self=yes
753    ;;
754
755  cygwin* | mingw* | pw32*)
756    lt_cv_dlopen="LoadLibrary"
757    lt_cv_dlopen_libs=
758   ;;
759
760  *)
761    AC_CHECK_FUNC([shl_load],
762	  [lt_cv_dlopen="shl_load"],
763      [AC_CHECK_LIB([dld], [shl_load],
764	    [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-dld"],
765	[AC_CHECK_FUNC([dlopen],
766	      [lt_cv_dlopen="dlopen"],
767	  [AC_CHECK_LIB([dl], [dlopen],
768		[lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
769	    [AC_CHECK_LIB([svld], [dlopen],
770		  [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
771	      [AC_CHECK_LIB([dld], [dld_link],
772		    [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-dld"])
773	      ])
774	    ])
775	  ])
776	])
777      ])
778    ;;
779  esac
780
781  if test "x$lt_cv_dlopen" != xno; then
782    enable_dlopen=yes
783  else
784    enable_dlopen=no
785  fi
786
787  case $lt_cv_dlopen in
788  dlopen)
789    save_CPPFLAGS="$CPPFLAGS"
790    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
791
792    save_LDFLAGS="$LDFLAGS"
793    eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
794
795    save_LIBS="$LIBS"
796    LIBS="$lt_cv_dlopen_libs $LIBS"
797
798    AC_CACHE_CHECK([whether a program can dlopen itself],
799	  lt_cv_dlopen_self, [dnl
800	  _LT_AC_TRY_DLOPEN_SELF(
801	    lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
802	    lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
803    ])
804
805    if test "x$lt_cv_dlopen_self" = xyes; then
806      LDFLAGS="$LDFLAGS $link_static_flag"
807      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
808    	  lt_cv_dlopen_self_static, [dnl
809	  _LT_AC_TRY_DLOPEN_SELF(
810	    lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
811	    lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
812      ])
813    fi
814
815    CPPFLAGS="$save_CPPFLAGS"
816    LDFLAGS="$save_LDFLAGS"
817    LIBS="$save_LIBS"
818    ;;
819  esac
820
821  case $lt_cv_dlopen_self in
822  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
823  *) enable_dlopen_self=unknown ;;
824  esac
825
826  case $lt_cv_dlopen_self_static in
827  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
828  *) enable_dlopen_self_static=unknown ;;
829  esac
830fi
831])# AC_LIBTOOL_DLOPEN_SELF
832
833
834# AC_LIBTOOL_PROG_CC_C_O([TAGNAME])
835# ---------------------------------
836# Check to see if options -c and -o are simultaneously supported by compiler
837AC_DEFUN([AC_LIBTOOL_PROG_CC_C_O],
838[AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
839AC_CACHE_CHECK([if $compiler supports -c -o file.$ac_objext],
840  [_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)],
841  [_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=no
842   $rm -r conftest 2>/dev/null
843   mkdir conftest
844   cd conftest
845   mkdir out
846   ifelse([$1],[],[save_CFLAGS="$CFLAGS"
847		   CFLAGS="$CFLAGS -o out/conftest2.$ac_objext"],
848	  [$1],[CXX],[save_CXXFLAGS="$CXXFLAGS"
849		   CXXFLAGS="$CXXFLAGS -o out/conftest2.$ac_objext"],
850	  [$1],[GCJ],[save_GCJFLAGS="$GCJFLAGS"
851		   GCJFLAGS="$GCJFLAGS -o out/conftest2.$ac_objext"])
852   echo "$lt_simple_compile_test_code" > conftest.$ac_ext
853
854   # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
855   # that will create temporary files in the current directory regardless of
856   # the output directory.  Thus, making CWD read-only will cause this test
857   # to fail, enabling locking or at least warning the user not to do parallel
858   # builds.
859   chmod -w .
860
861   if (eval $ac_compile 2>out/conftest.err) && test -s out/conftest2.$ac_objext
862   then
863     # The compiler can only warn and ignore the option if not recognized
864     # So say no if there are warnings
865     if test -s out/conftest.err; then
866       # Append any errors to the config.log.
867       cat out/conftest.err 1>&AS_MESSAGE_LOG_FD
868     else
869       _LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
870     fi
871   fi
872   ifelse([$1],[],[CFLAGS="$save_CFLAGS"],
873	  [$1],[CXX],[CXXFLAGS="$save_CXXFLAGS"],
874	  [$1],[GCJ],[GCJFLAGS="$save_GCJFLAGS"])
875   chmod u+w .
876   $rm conftest* out/*
877   rmdir out
878   cd ..
879   rmdir conftest
880   $rm conftest*
881])
882])# AC_LIBTOOL_PROG_CC_C_O
883
884
885# AC_LIBTOOL_SYS_HARD_LINK_LOCKS([TAGNAME])
886# -----------------------------------------
887# Check to see if we can do hard links to lock some files if needed
888AC_DEFUN([AC_LIBTOOL_SYS_HARD_LINK_LOCKS],
889[AC_REQUIRE([_LT_AC_LOCK])dnl
890
891hard_links="nottested"
892if test "$_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)" = no && test "$need_locks" != no; then
893  # do not overwrite the value of need_locks provided by the user
894  AC_MSG_CHECKING([if we can lock with hard links])
895  hard_links=yes
896  $rm conftest*
897  ln conftest.a conftest.b 2>/dev/null && hard_links=no
898  touch conftest.a
899  ln conftest.a conftest.b 2>&5 || hard_links=no
900  ln conftest.a conftest.b 2>/dev/null && hard_links=no
901  AC_MSG_RESULT([$hard_links])
902  if test "$hard_links" = no; then
903    AC_MSG_WARN([`$CC' does not support `-c -o', so `make -j' may be unsafe])
904    need_locks=warn
905  fi
906else
907  need_locks=no
908fi
909])# AC_LIBTOOL_SYS_HARD_LINK_LOCKS
910
911
912# AC_LIBTOOL_OBJDIR
913# -----------------
914AC_DEFUN([AC_LIBTOOL_OBJDIR],
915[AC_CACHE_CHECK([for objdir], [lt_cv_objdir],
916[rm -f .libs 2>/dev/null
917mkdir .libs 2>/dev/null
918if test -d .libs; then
919  lt_cv_objdir=.libs
920else
921  # MS-DOS does not allow filenames that begin with a dot.
922  lt_cv_objdir=_libs
923fi
924rmdir .libs 2>/dev/null])
925objdir=$lt_cv_objdir
926])# AC_LIBTOOL_OBJDIR
927
928
929# AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH([TAGNAME])
930# ----------------------------------------------
931# Check hardcoding attributes.
932AC_DEFUN([AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH],
933[AC_MSG_CHECKING([how to hardcode library paths into programs])
934_LT_AC_TAGVAR(hardcode_action, $1)=
935if test -n "$_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)" || \
936   test -n "$_LT_AC_TAGVAR(runpath_var $1)"; then
937
938  # We can hardcode non-existant directories.
939  if test "$_LT_AC_TAGVAR(hardcode_direct, $1)" != no &&
940     # If the only mechanism to avoid hardcoding is shlibpath_var, we
941     # have to relink, otherwise we might link with an installed library
942     # when we should be linking with a yet-to-be-installed one
943     ## test "$_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)" != no &&
944     test "$_LT_AC_TAGVAR(hardcode_minus_L, $1)" != no; then
945    # Linking always hardcodes the temporary library directory.
946    _LT_AC_TAGVAR(hardcode_action, $1)=relink
947  else
948    # We can link without hardcoding, and we can hardcode nonexisting dirs.
949    _LT_AC_TAGVAR(hardcode_action, $1)=immediate
950  fi
951else
952  # We cannot hardcode anything, or else we can only hardcode existing
953  # directories.
954  _LT_AC_TAGVAR(hardcode_action, $1)=unsupported
955fi
956AC_MSG_RESULT([$_LT_AC_TAGVAR(hardcode_action, $1)])
957
958if test "$_LT_AC_TAGVAR(hardcode_action, $1)" = relink; then
959  # Fast installation is not supported
960  enable_fast_install=no
961elif test "$shlibpath_overrides_runpath" = yes ||
962     test "$enable_shared" = no; then
963  # Fast installation is not necessary
964  enable_fast_install=needless
965fi
966])# AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH
967
968
969# AC_LIBTOOL_SYS_LIB_STRIP
970# ------------------------
971AC_DEFUN([AC_LIBTOOL_SYS_LIB_STRIP],
972[striplib=
973old_striplib=
974AC_MSG_CHECKING([whether stripping libraries is possible])
975if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then
976  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
977  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
978  AC_MSG_RESULT([yes])
979else
980  AC_MSG_RESULT([no])
981fi
982])# AC_LIBTOOL_SYS_LIB_STRIP
983
984
985# AC_LIBTOOL_SYS_DYNAMIC_LINKER
986# -----------------------------
987# PORTME Fill in your ld.so characteristics
988AC_DEFUN([AC_LIBTOOL_SYS_DYNAMIC_LINKER],
989[AC_MSG_CHECKING([dynamic linker characteristics])
990library_names_spec=
991libname_spec='lib$name'
992soname_spec=
993postinstall_cmds=
994postuninstall_cmds=
995finish_cmds=
996finish_eval=
997shlibpath_var=
998shlibpath_overrides_runpath=unknown
999version_type=none
1000dynamic_linker="$host_os ld.so"
1001sys_lib_dlsearch_path_spec="/lib /usr/lib"
1002sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1003need_lib_prefix=unknown
1004hardcode_into_libs=no
1005
1006# when you set need_version to no, make sure it does not cause -set_version
1007# flags to be left without arguments
1008need_version=unknown
1009
1010case $host_os in
1011aix3*)
1012  version_type=linux
1013  library_names_spec='${libname}${release}.so$versuffix $libname.a'
1014  shlibpath_var=LIBPATH
1015
1016  # AIX 3 has no versioning support, so we append a major version to the name.
1017  soname_spec='${libname}${release}.so$major'
1018  ;;
1019
1020aix4* | aix5*)
1021  version_type=linux
1022  if test "$host_cpu" = ia64; then
1023    # AIX 5 supports IA64
1024    library_names_spec='${libname}${release}.so$major ${libname}${release}.so$versuffix $libname.so'
1025    shlibpath_var=LD_LIBRARY_PATH
1026  else
1027    # With GCC up to 2.95.x, collect2 would create an import file
1028    # for dependence libraries.  The import file would start with
1029    # the line `#! .'.  This would cause the generated library to
1030    # depend on `.', always an invalid library.  This was fixed in
1031    # development snapshots of GCC prior to 3.0.
1032    case $host_os in
1033      aix4 | aix4.[[01]] | aix4.[[01]].*)
1034      if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
1035	   echo ' yes '
1036	   echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
1037	:
1038      else
1039	can_build_shared=no
1040      fi
1041      ;;
1042    esac
1043    # AIX (on Power*) has no versioning support, so currently we can not hardcode correct
1044    # soname into executable. Probably we can add versioning support to
1045    # collect2, so additional links can be useful in future.
1046    if test "$aix_use_runtimelinking" = yes; then
1047      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
1048      # instead of lib<name>.a to let people know that these are not
1049      # typical AIX shared libraries.
1050      library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1051    else
1052      # We preserve .a as extension for shared libraries through AIX4.2
1053      # and later when we are not doing run time linking.
1054      library_names_spec='${libname}${release}.a $libname.a'
1055      soname_spec='${libname}${release}.so$major'
1056    fi
1057    shlibpath_var=LIBPATH
1058  fi
1059  ;;
1060
1061amigaos*)
1062  library_names_spec='$libname.ixlibrary $libname.a'
1063  # Create ${libname}_ixlibrary.a entries in /sys/libs.
1064  finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([[^/]]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "(cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a)"; (cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a) || exit 1; done'
1065  ;;
1066
1067beos*)
1068  library_names_spec='${libname}.so'
1069  dynamic_linker="$host_os ld.so"
1070  shlibpath_var=LIBRARY_PATH
1071  ;;
1072
1073bsdi4*)
1074  version_type=linux
1075  need_version=no
1076  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1077  soname_spec='${libname}${release}.so$major'
1078  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
1079  shlibpath_var=LD_LIBRARY_PATH
1080  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
1081  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
1082  # the default ld.so.conf also contains /usr/contrib/lib and
1083  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
1084  # libtool to hard-code these into programs
1085  ;;
1086
1087cygwin* | mingw* | pw32*)
1088  version_type=windows
1089  need_version=no
1090  need_lib_prefix=no
1091  case $GCC,$host_os in
1092  yes,cygwin*)
1093    library_names_spec='$libname.dll.a'
1094    sys_lib_search_path_spec="/lib /lib/w32api /usr/lib /usr/local/lib"
1095    soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | sed -e 's/[[.]]/-/g'`${versuffix}.dll'
1096    postinstall_cmds='dlpath=`bash 2>&1 -c '\''. $dir/${file}i;echo \$dlname'\''`~
1097      dldir=$destdir/`dirname \$dlpath`~
1098      test -d \$dldir || mkdir -p \$dldir~
1099      $install_prog .libs/$dlname \$dldir/$dlname'
1100    postuninstall_cmds='dldll=`bash 2>&1 -c '\''. $file; echo \$dlname'\''`~
1101      dlpath=$dir/\$dldll~
1102       $rm \$dlpath'
1103    ;;
1104  yes,mingw*)
1105    library_names_spec='${libname}`echo ${release} | sed -e 's/[[.]]/-/g'`${versuffix}.dll'
1106    sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | sed -e "s/^libraries://"`
1107    if echo "$sys_lib_search_path_spec" | [egrep ';[C-Z]:/' >/dev/null]; then
1108      # It is most probably a Windows format PATH printed by
1109      # mingw gcc, but we are running on Cygwin. Gcc prints its search
1110      # path with ; separators, and with drive letters. We can handle the
1111      # drive letters (cygwin fileutils understands them), so leave them,
1112      # especially as we might pass files found there to a mingw objdump,
1113      # which wouldn't understand a cygwinified path. Ahh.
1114      sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | sed -e 's/;/ /g'`
1115    else
1116      sys_lib_search_path_spec=`echo "$sys_lib_search_path_spec" | sed  -e "s/$PATH_SEPARATOR/ /g"`
1117    fi
1118    ;;
1119  yes,pw32*)
1120    library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll'
1121    ;;
1122  *)
1123    library_names_spec='${libname}`echo ${release} | sed -e 's/[[.]]/-/g'`${versuffix}.dll $libname.lib'
1124    ;;
1125  esac
1126  dynamic_linker='Win32 ld.exe'
1127  # FIXME: first we should search . and the directory the executable is in
1128  shlibpath_var=PATH
1129  ;;
1130
1131darwin* | rhapsody*)
1132  dynamic_linker="$host_os dyld"
1133  version_type=darwin
1134  need_lib_prefix=no
1135  need_version=no
1136  # FIXME: Relying on posixy $() will cause problems for
1137  #        cross-compilation, but unfortunately the echo tests do not
1138  #        yet detect zsh echo's removal of \ escapes.
1139  library_names_spec='${libname}${release}${versuffix}.$(test .$module = .yes && echo so || echo dylib) ${libname}${release}${major}.$(test .$module = .yes && echo so || echo dylib) ${libname}.$(test .$module = .yes && echo so || echo dylib)'
1140  soname_spec='${libname}${release}${major}.$(test .$module = .yes && echo so || echo dylib)'
1141  shlibpath_overrides_runpath=yes
1142  shlibpath_var=DYLD_LIBRARY_PATH
1143  ;;
1144
1145dgux*)
1146  version_type=linux
1147  need_lib_prefix=no
1148  need_version=no
1149  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1150  soname_spec='${libname}${release}.so$major'
1151  shlibpath_var=LD_LIBRARY_PATH
1152  ;;
1153
1154freebsd1*)
1155  dynamic_linker=no
1156  ;;
1157
1158freebsd*)
1159  objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
1160  version_type=freebsd-$objformat
1161  case $version_type in
1162    freebsd-elf*)
1163      library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1164      need_version=no
1165      need_lib_prefix=no
1166      ;;
1167    freebsd-*)
1168      library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
1169      need_version=yes
1170      ;;
1171  esac
1172  shlibpath_var=LD_LIBRARY_PATH
1173  case $host_os in
1174  freebsd2*)
1175    shlibpath_overrides_runpath=yes
1176    ;;
1177  freebsd3.[01]* | freebsdelf3.[01]*)
1178    shlibpath_overrides_runpath=yes
1179    hardcode_into_libs=yes
1180    ;;
1181  *) # from 3.2 on
1182    shlibpath_overrides_runpath=no
1183    hardcode_into_libs=yes
1184    ;;
1185  esac
1186  ;;
1187
1188gnu*)
1189  version_type=linux
1190  need_lib_prefix=no
1191  need_version=no
1192  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'
1193  soname_spec='${libname}${release}.so$major'
1194  shlibpath_var=LD_LIBRARY_PATH
1195  hardcode_into_libs=yes
1196  ;;
1197
1198hpux9* | hpux10* | hpux11*)
1199  # Give a soname corresponding to the major version so that dld.sl refuses to
1200  # link against other versions.
1201  version_type=sunos
1202  need_lib_prefix=no
1203  need_version=no
1204  if test "$host_cpu" = ia64; then
1205    hardcode_into_libs=yes
1206    dynamic_linker="$host_os dld.so"
1207    shlibpath_var=LD_LIBRARY_PATH
1208    shlibpath_overrides_runpath=yes # Unless +noenvvar is specified.
1209    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1210    soname_spec='${libname}${release}.so$major'
1211    if test "X$HPUX_IA64_MODE" = X32; then
1212      sys_lib_search_path_spec="/usr/lib/hpux32 /usr/local/lib/hpux32 /usr/local/lib"
1213    else
1214      sys_lib_search_path_spec="/usr/lib/hpux64 /usr/local/lib/hpux64"
1215    fi
1216    sys_lib_dlsearch_path_spec=$sys_lib_search_path_spec
1217  else
1218    dynamic_linker="$host_os dld.sl"
1219    shlibpath_var=SHLIB_PATH
1220    shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
1221    library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1222    soname_spec='${libname}${release}.sl$major'
1223  fi
1224  # HP-UX runs *really* slowly unless shared libraries are mode 555.
1225  postinstall_cmds='chmod 555 $lib'
1226  ;;
1227
1228irix5* | irix6* | nonstopux*)
1229  case $host_os in
1230    nonstopux*) version_type=nonstopux ;;
1231    *)          version_type=irix ;;
1232  esac
1233  need_lib_prefix=no
1234  need_version=no
1235  soname_spec='${libname}${release}.so$major'
1236  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so $libname.so'
1237  case $host_os in
1238  irix5* | nonstopux*)
1239    libsuff= shlibsuff=
1240    ;;
1241  *)
1242    case $LD in # libtool.m4 will add one of these switches to LD
1243    *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
1244    *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
1245    *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
1246    *) libsuff= shlibsuff= libmagic=never-match;;
1247    esac
1248    ;;
1249  esac
1250  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
1251  shlibpath_overrides_runpath=no
1252  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
1253  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
1254  ;;
1255
1256# No shared lib support for Linux oldld, aout, or coff.
1257linux*oldld* | linux*aout* | linux*coff*)
1258  dynamic_linker=no
1259  ;;
1260
1261# This must be Linux ELF.
1262linux*)
1263  version_type=linux
1264  need_lib_prefix=no
1265  need_version=no
1266  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1267  soname_spec='${libname}${release}.so$major'
1268  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
1269  libsuff=
1270  if test "x$LINUX_64_MODE" = x64; then
1271    # Some platforms are per default 64-bit, so there's no /lib64
1272    if test -d /lib64; then
1273      libsuff=64
1274    fi
1275  fi
1276  shlibpath_var=LD_LIBRARY_PATH
1277  shlibpath_overrides_runpath=no
1278  sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}"
1279  sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}"
1280  # This implies no fast_install, which is unacceptable.
1281  # Some rework will be needed to allow for fast_install
1282  # before this can be enabled.
1283  hardcode_into_libs=yes
1284
1285  # We used to test for /lib/ld.so.1 and disable shared libraries on
1286  # powerpc, because MkLinux only supported shared libraries with the
1287  # GNU dynamic linker.  Since this was broken with cross compilers,
1288  # most powerpc-linux boxes support dynamic linking these days and
1289  # people can always --disable-shared, the test was removed, and we
1290  # assume the GNU/Linux dynamic linker is in use.
1291  dynamic_linker='GNU/Linux ld.so'
1292  ;;
1293
1294netbsd*)
1295  version_type=sunos
1296  need_lib_prefix=no
1297  need_version=no
1298  if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1299    library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1300    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1301    dynamic_linker='NetBSD (a.out) ld.so'
1302  else
1303    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
1304    soname_spec='${libname}${release}.so$major'
1305    dynamic_linker='NetBSD ld.elf_so'
1306  fi
1307  shlibpath_var=LD_LIBRARY_PATH
1308  shlibpath_overrides_runpath=yes
1309  hardcode_into_libs=yes
1310  ;;
1311
1312newsos6)
1313  version_type=linux
1314  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1315  shlibpath_var=LD_LIBRARY_PATH
1316  shlibpath_overrides_runpath=yes
1317  ;;
1318
1319nto-qnx)
1320  version_type=linux
1321  need_lib_prefix=no
1322  need_version=no
1323  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1324  soname_spec='${libname}${release}.so$major'
1325  shlibpath_var=LD_LIBRARY_PATH
1326  shlibpath_overrides_runpath=yes
1327  ;;
1328
1329openbsd*)
1330  version_type=sunos
1331  need_lib_prefix=no
1332  need_version=no
1333  library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1334  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
1335  shlibpath_var=LD_LIBRARY_PATH
1336  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
1337    case $host_os in
1338      openbsd2.[[89]] | openbsd2.[[89]].*)
1339	shlibpath_overrides_runpath=no
1340	;;
1341      *)
1342	shlibpath_overrides_runpath=yes
1343	;;
1344      esac
1345  else
1346    shlibpath_overrides_runpath=yes
1347  fi
1348  ;;
1349
1350os2*)
1351  libname_spec='$name'
1352  need_lib_prefix=no
1353  library_names_spec='$libname.dll $libname.a'
1354  dynamic_linker='OS/2 ld.exe'
1355  shlibpath_var=LIBPATH
1356  ;;
1357
1358osf3* | osf4* | osf5*)
1359  version_type=osf
1360  need_lib_prefix=no
1361  need_version=no
1362  soname_spec='${libname}${release}.so'
1363  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1364  shlibpath_var=LD_LIBRARY_PATH
1365  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
1366  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
1367  ;;
1368
1369sco3.2v5*)
1370  version_type=osf
1371  soname_spec='${libname}${release}.so$major'
1372  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1373  shlibpath_var=LD_LIBRARY_PATH
1374  ;;
1375
1376solaris*)
1377  version_type=linux
1378  need_lib_prefix=no
1379  need_version=no
1380  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1381  soname_spec='${libname}${release}.so$major'
1382  shlibpath_var=LD_LIBRARY_PATH
1383  shlibpath_overrides_runpath=yes
1384  hardcode_into_libs=yes
1385  # ldd complains unless libraries are executable
1386  postinstall_cmds='chmod +x $lib'
1387  ;;
1388
1389sunos4*)
1390  version_type=sunos
1391  library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
1392  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
1393  shlibpath_var=LD_LIBRARY_PATH
1394  shlibpath_overrides_runpath=yes
1395  if test "$with_gnu_ld" = yes; then
1396    need_lib_prefix=no
1397  fi
1398  need_version=yes
1399  ;;
1400
1401sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
1402  version_type=linux
1403  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1404  soname_spec='${libname}${release}.so$major'
1405  shlibpath_var=LD_LIBRARY_PATH
1406  case $host_vendor in
1407    sni)
1408      shlibpath_overrides_runpath=no
1409      ;;
1410    motorola)
1411      need_lib_prefix=no
1412      need_version=no
1413      shlibpath_overrides_runpath=no
1414      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
1415      ;;
1416  esac
1417  ;;
1418
1419sysv4*MP*)
1420  if test -d /usr/nec ;then
1421    version_type=linux
1422    library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
1423    soname_spec='$libname.so.$major'
1424    shlibpath_var=LD_LIBRARY_PATH
1425  fi
1426  ;;
1427
1428uts4*)
1429  version_type=linux
1430  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1431  soname_spec='${libname}${release}.so$major'
1432  shlibpath_var=LD_LIBRARY_PATH
1433  ;;
1434
1435*)
1436  dynamic_linker=no
1437  ;;
1438esac
1439AC_MSG_RESULT([$dynamic_linker])
1440test "$dynamic_linker" = no && can_build_shared=no
1441])# AC_LIBTOOL_SYS_DYNAMIC_LINKER
1442
1443
1444# _LT_AC_TAGCONFIG
1445# ----------------
1446AC_DEFUN([_LT_AC_TAGCONFIG],
1447[AC_ARG_WITH([tags],
1448    [AC_HELP_STRING([--with-tags=TAGS],
1449	[include additional configurations @<:@CXX,GCJ@:>@])],
1450    [tagnames="$withval"],
1451    [tagnames="CXX,GCJ"
1452    case $host_os in
1453      mingw*|cygwin*) tagnames="$tagnames,RC" ;;
1454    esac])
1455
1456if test -f "$ltmain" && test -n "$tagnames"; then
1457  if test ! -f "${ofile}"; then
1458    AC_MSG_WARN([output file `$ofile' does not exist])
1459  fi
1460
1461  if test -z "$LTCC"; then
1462    eval "`$SHELL ${ofile} --config | grep '^LTCC='`"
1463    if test -z "$LTCC"; then
1464      AC_MSG_WARN([output file `$ofile' does not look like a libtool script])
1465    else
1466      AC_MSG_WARN([using `LTCC=$LTCC', extracted from `$ofile'])
1467    fi
1468  fi
1469
1470  # Extract list of available tagged configurations in $ofile.
1471  # Note that this assumes the entire list is on one line.
1472  available_tags=`grep "^available_tags=" "${ofile}" | sed -e 's/available_tags=\(.*$\)/\1/' -e 's/\"//g'`
1473
1474  lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
1475  for tagname in $tagnames; do
1476    IFS="$lt_save_ifs"
1477    # Check whether tagname contains only valid characters
1478    case `$echo "X$tagname" | $Xsed -e 's:[[-_ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890,/]]::g'` in
1479    "") ;;
1480    *)  AC_MSG_ERROR([invalid tag name: $tagname])
1481	;;
1482    esac
1483
1484    if grep "^# ### BEGIN LIBTOOL TAG CONFIG: $tagname$" < "${ofile}" > /dev/null
1485    then
1486      AC_MSG_ERROR([tag name \"$tagname\" already exists])
1487    fi
1488
1489    # Update the list of available tags.
1490    if test -n "$tagname"; then
1491      echo appending configuration tag \"$tagname\" to $ofile
1492
1493      case $tagname in
1494      CXX)
1495	AC_LIBTOOL_LANG_CXX_CONFIG
1496	;;
1497
1498      GCJ)
1499	AC_LIBTOOL_LANG_GCJ_CONFIG
1500	;;
1501
1502      RC)
1503	AC_LIBTOOL_LANG_RC_CONFIG
1504	;;
1505
1506      *)
1507	AC_MSG_ERROR([Unsupported tag name: $tagname])
1508	;;
1509      esac
1510
1511      # Append the new tag name to the list of available tags.
1512      available_tags="$available_tags $tagname"
1513    fi
1514  done
1515  IFS="$lt_save_ifs"
1516
1517  # Now substitute the updated list of available tags.
1518  if eval "sed -e 's/^available_tags=.*\$/available_tags=\"$available_tags\"/' \"$ofile\" > \"${ofile}T\""; then
1519    mv "${ofile}T" "$ofile"
1520    chmod +x "$ofile"
1521  else
1522    rm -f "${ofile}T"
1523    AC_MSG_ERROR([unable to update list of available tagged configurations.])
1524  fi
1525fi
1526])# _LT_AC_TAGCONFIG
1527
1528
1529# AC_LIBTOOL_DLOPEN
1530# -----------------
1531# enable checks for dlopen support
1532AC_DEFUN([AC_LIBTOOL_DLOPEN],
1533 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])
1534])# AC_LIBTOOL_DLOPEN
1535
1536
1537# AC_LIBTOOL_WIN32_DLL
1538# --------------------
1539# declare package support for building win32 dll's
1540AC_DEFUN([AC_LIBTOOL_WIN32_DLL],
1541[AC_BEFORE([$0], [AC_LIBTOOL_SETUP])
1542])# AC_LIBTOOL_WIN32_DLL
1543
1544
1545# AC_ENABLE_SHARED([DEFAULT])
1546# ---------------------------
1547# implement the --enable-shared flag
1548# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
1549AC_DEFUN([AC_ENABLE_SHARED],
1550[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
1551AC_ARG_ENABLE([shared],
1552    [AC_HELP_STRING([--enable-shared@<:@=PKGS@:>@],
1553	[build shared libraries @<:@default=]AC_ENABLE_SHARED_DEFAULT[@:>@])],
1554    [p=${PACKAGE-default}
1555    case $enableval in
1556    yes) enable_shared=yes ;;
1557    no) enable_shared=no ;;
1558    *)
1559      enable_shared=no
1560      # Look at the argument we got.  We use all the common list separators.
1561      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
1562      for pkg in $enableval; do
1563	IFS="$lt_save_ifs"
1564	if test "X$pkg" = "X$p"; then
1565	  enable_shared=yes
1566	fi
1567      done
1568      IFS="$lt_save_ifs"
1569      ;;
1570    esac],
1571    [enable_shared=]AC_ENABLE_SHARED_DEFAULT)
1572])# AC_ENABLE_SHARED
1573
1574
1575# AC_DISABLE_SHARED
1576# -----------------
1577#- set the default shared flag to --disable-shared
1578AC_DEFUN([AC_DISABLE_SHARED],
1579[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
1580AC_ENABLE_SHARED(no)
1581])# AC_DISABLE_SHARED
1582
1583
1584# AC_ENABLE_STATIC([DEFAULT])
1585# ---------------------------
1586# implement the --enable-static flag
1587# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
1588AC_DEFUN([AC_ENABLE_STATIC],
1589[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
1590AC_ARG_ENABLE([static],
1591    [AC_HELP_STRING([--enable-static@<:@=PKGS@:>@],
1592	[build static libraries @<:@default=]AC_ENABLE_STATIC_DEFAULT[@:>@])],
1593    [p=${PACKAGE-default}
1594    case $enableval in
1595    yes) enable_static=yes ;;
1596    no) enable_static=no ;;
1597    *)
1598     enable_static=no
1599      # Look at the argument we got.  We use all the common list separators.
1600      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
1601      for pkg in $enableval; do
1602	IFS="$lt_save_ifs"
1603	if test "X$pkg" = "X$p"; then
1604	  enable_static=yes
1605	fi
1606      done
1607      IFS="$lt_save_ifs"
1608      ;;
1609    esac],
1610    [enable_static=]AC_ENABLE_STATIC_DEFAULT)
1611])# AC_ENABLE_STATIC
1612
1613
1614# AC_DISABLE_STATIC
1615# -----------------
1616# set the default static flag to --disable-static
1617AC_DEFUN([AC_DISABLE_STATIC],
1618[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
1619AC_ENABLE_STATIC(no)
1620])# AC_DISABLE_STATIC
1621
1622
1623# AC_ENABLE_FAST_INSTALL([DEFAULT])
1624# ---------------------------------
1625# implement the --enable-fast-install flag
1626# DEFAULT is either `yes' or `no'.  If omitted, it defaults to `yes'.
1627AC_DEFUN([AC_ENABLE_FAST_INSTALL],
1628[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
1629AC_ARG_ENABLE([fast-install],
1630    [AC_HELP_STRING([--enable-fast-install@<:@=PKGS@:>@],
1631    [optimize for fast installation @<:@default=]AC_ENABLE_FAST_INSTALL_DEFAULT[@:>@])],
1632    [p=${PACKAGE-default}
1633    case $enableval in
1634    yes) enable_fast_install=yes ;;
1635    no) enable_fast_install=no ;;
1636    *)
1637      enable_fast_install=no
1638      # Look at the argument we got.  We use all the common list separators.
1639      lt_save_ifs="$IFS"; IFS="${IFS}$PATH_SEPARATOR,"
1640      for pkg in $enableval; do
1641	IFS="$lt_save_ifs"
1642	if test "X$pkg" = "X$p"; then
1643	  enable_fast_install=yes
1644	fi
1645      done
1646      IFS="$lt_save_ifs"
1647      ;;
1648    esac],
1649    [enable_fast_install=]AC_ENABLE_FAST_INSTALL_DEFAULT)
1650])# AC_ENABLE_FAST_INSTALL
1651
1652
1653# AC_DISABLE_FAST_INSTALL
1654# -----------------------
1655# set the default to --disable-fast-install
1656AC_DEFUN([AC_DISABLE_FAST_INSTALL],
1657[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
1658AC_ENABLE_FAST_INSTALL(no)
1659])# AC_DISABLE_FAST_INSTALL
1660
1661
1662# AC_LIBTOOL_PICMODE([MODE])
1663# --------------------------
1664# implement the --with-pic flag
1665# MODE is either `yes' or `no'.  If omitted, it defaults to `both'.
1666AC_DEFUN([AC_LIBTOOL_PICMODE],
1667[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
1668pic_mode=ifelse($#,1,$1,default)
1669])# AC_LIBTOOL_PICMODE
1670
1671
1672# AC_PATH_TOOL_PREFIX
1673# -------------------
1674# find a file program which can recognise shared library
1675AC_DEFUN([AC_PATH_TOOL_PREFIX],
1676[AC_MSG_CHECKING([for $1])
1677AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
1678[case $MAGIC_CMD in
1679[[\\/*] |  ?:[\\/]*])
1680  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
1681  ;;
1682*)
1683  lt_save_MAGIC_CMD="$MAGIC_CMD"
1684  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
1685dnl $ac_dummy forces splitting on constant user-supplied paths.
1686dnl POSIX.2 word splitting is done only on the output of word expansions,
1687dnl not every word.  This closes a longstanding sh security hole.
1688  ac_dummy="ifelse([$2], , $PATH, [$2])"
1689  for ac_dir in $ac_dummy; do
1690    IFS="$lt_save_ifs"
1691    test -z "$ac_dir" && ac_dir=.
1692    if test -f $ac_dir/$1; then
1693      lt_cv_path_MAGIC_CMD="$ac_dir/$1"
1694      if test -n "$file_magic_test_file"; then
1695	case $deplibs_check_method in
1696	"file_magic "*)
1697	  file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
1698	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
1699	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
1700	    egrep "$file_magic_regex" > /dev/null; then
1701	    :
1702	  else
1703	    cat <<EOF 1>&2
1704
1705*** Warning: the command libtool uses to detect shared libraries,
1706*** $file_magic_cmd, produces output that libtool cannot recognize.
1707*** The result is that libtool may fail to recognize shared libraries
1708*** as such.  This will affect the creation of libtool libraries that
1709*** depend on shared libraries, but programs linked with such libtool
1710*** libraries will work regardless of this problem.  Nevertheless, you
1711*** may want to report the problem to your system manager and/or to
1712*** bug-libtool@gnu.org
1713
1714EOF
1715	  fi ;;
1716	esac
1717      fi
1718      break
1719    fi
1720  done
1721  IFS="$lt_save_ifs"
1722  MAGIC_CMD="$lt_save_MAGIC_CMD"
1723  ;;
1724esac])
1725MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
1726if test -n "$MAGIC_CMD"; then
1727  AC_MSG_RESULT($MAGIC_CMD)
1728else
1729  AC_MSG_RESULT(no)
1730fi
1731])# AC_PATH_TOOL_PREFIX
1732
1733
1734# AC_PATH_MAGIC
1735# -------------
1736# find a file program which can recognise a shared library
1737AC_DEFUN([AC_PATH_MAGIC],
1738[AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin$PATH_SEPARATOR$PATH)
1739if test -z "$lt_cv_path_MAGIC_CMD"; then
1740  if test -n "$ac_tool_prefix"; then
1741    AC_PATH_TOOL_PREFIX(file, /usr/bin$PATH_SEPARATOR$PATH)
1742  else
1743    MAGIC_CMD=:
1744  fi
1745fi
1746])# AC_PATH_MAGIC
1747
1748
1749# AC_PROG_LD
1750# ----------
1751# find the path to the GNU or non-GNU linker
1752AC_DEFUN([AC_PROG_LD],
1753[AC_ARG_WITH([gnu-ld],
1754    [AC_HELP_STRING([--with-gnu-ld],
1755	[assume the C compiler uses GNU ld @<:@default=no@:>@])],
1756    [test "$withval" = no || with_gnu_ld=yes],
1757    [with_gnu_ld=no])
1758AC_REQUIRE([AC_PROG_CC])dnl
1759AC_REQUIRE([AC_CANONICAL_HOST])dnl
1760AC_REQUIRE([AC_CANONICAL_BUILD])dnl
1761ac_prog=ld
1762if test "$GCC" = yes; then
1763  # Check if gcc -print-prog-name=ld gives a path.
1764  AC_MSG_CHECKING([for ld used by GCC])
1765  case $host in
1766  *-*-mingw*)
1767    # gcc leaves a trailing carriage return which upsets mingw
1768    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
1769  *)
1770    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
1771  esac
1772  case $ac_prog in
1773    # Accept absolute paths.
1774    [[\\/]]* | ?:[[\\/]]*)
1775      re_direlt='/[[^/]][[^/]]*/\.\./'
1776      # Canonicalize the path of ld
1777      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
1778      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
1779	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
1780      done
1781      test -z "$LD" && LD="$ac_prog"
1782      ;;
1783  "")
1784    # If it fails, then pretend we aren't using GCC.
1785    ac_prog=ld
1786    ;;
1787  *)
1788    # If it is relative, then search for the first ld in PATH.
1789    with_gnu_ld=unknown
1790    ;;
1791  esac
1792elif test "$with_gnu_ld" = yes; then
1793  AC_MSG_CHECKING([for GNU ld])
1794else
1795  AC_MSG_CHECKING([for non-GNU ld])
1796fi
1797AC_CACHE_VAL(lt_cv_path_LD,
1798[if test -z "$LD"; then
1799  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
1800  for ac_dir in $PATH; do
1801    IFS="$lt_save_ifs"
1802    test -z "$ac_dir" && ac_dir=.
1803    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
1804      lt_cv_path_LD="$ac_dir/$ac_prog"
1805      # Check to see if the program is GNU ld.  I'd rather use --version,
1806      # but apparently some GNU ld's only accept -v.
1807      # Break only if it was the GNU/non-GNU ld that we prefer.
1808      if "$lt_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
1809	test "$with_gnu_ld" != no && break
1810      else
1811	test "$with_gnu_ld" != yes && break
1812      fi
1813    fi
1814  done
1815  IFS="$lt_save_ifs"
1816else
1817  lt_cv_path_LD="$LD" # Let the user override the test with a path.
1818fi])
1819LD="$lt_cv_path_LD"
1820if test -n "$LD"; then
1821  AC_MSG_RESULT($LD)
1822else
1823  AC_MSG_RESULT(no)
1824fi
1825test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
1826AC_PROG_LD_GNU
1827])# AC_PROG_LD
1828
1829
1830# AC_PROG_LD_GNU
1831# --------------
1832AC_DEFUN([AC_PROG_LD_GNU],
1833[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
1834[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
1835if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
1836  lt_cv_prog_gnu_ld=yes
1837else
1838  lt_cv_prog_gnu_ld=no
1839fi])
1840with_gnu_ld=$lt_cv_prog_gnu_ld
1841])# AC_PROG_LD_GNU
1842
1843
1844# AC_PROG_LD_RELOAD_FLAG
1845# ----------------------
1846# find reload flag for linker
1847#   -- PORTME Some linkers may need a different reload flag.
1848AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
1849[AC_CACHE_CHECK([for $LD option to reload object files],
1850  lt_cv_ld_reload_flag,
1851  [lt_cv_ld_reload_flag='-r'])
1852reload_flag=$lt_cv_ld_reload_flag
1853case $reload_flag in
1854"" | " "*) ;;
1855*) reload_flag=" $reload_flag" ;;
1856esac
1857reload_cmds='$LD$reload_flag -o $output$reload_objs'
1858])# AC_PROG_LD_RELOAD_FLAG
1859
1860
1861# AC_DEPLIBS_CHECK_METHOD
1862# -----------------------
1863# how to check for library dependencies
1864#  -- PORTME fill in with the dynamic library characteristics
1865AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
1866[AC_CACHE_CHECK([how to recognise dependant libraries],
1867lt_cv_deplibs_check_method,
1868[lt_cv_file_magic_cmd='$MAGIC_CMD'
1869lt_cv_file_magic_test_file=
1870lt_cv_deplibs_check_method='unknown'
1871# Need to set the preceding variable on all platforms that support
1872# interlibrary dependencies.
1873# 'none' -- dependencies not supported.
1874# `unknown' -- same as none, but documents that we really don't know.
1875# 'pass_all' -- all dependencies passed with no checks.
1876# 'test_compile' -- check by making test program.
1877# 'file_magic [[regex]]' -- check by looking for files in library path
1878# which responds to the $file_magic_cmd with a given egrep regex.
1879# If you have `file' or equivalent on your system and you're not sure
1880# whether `pass_all' will *always* work, you probably want this one.
1881
1882case $host_os in
1883aix4* | aix5*)
1884  lt_cv_deplibs_check_method=pass_all
1885  ;;
1886
1887beos*)
1888  lt_cv_deplibs_check_method=pass_all
1889  ;;
1890
1891bsdi4*)
1892  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
1893  lt_cv_file_magic_cmd='/usr/bin/file -L'
1894  lt_cv_file_magic_test_file=/shlib/libc.so
1895  ;;
1896
1897cygwin* | mingw* | pw32*)
1898  lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
1899  lt_cv_file_magic_cmd='$OBJDUMP -f'
1900  ;;
1901
1902darwin* | rhapsody*)
1903  lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library'
1904  lt_cv_file_magic_cmd='/usr/bin/file -L'
1905  case "$host_os" in
1906  rhapsody* | darwin1.[[012]])
1907    lt_cv_file_magic_test_file=`/System/Library/Frameworks/System.framework/System`
1908    ;;
1909  *) # Darwin 1.3 on
1910    lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib'
1911    ;;
1912  esac
1913  ;;
1914
1915freebsd*)
1916  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
1917    case $host_cpu in
1918    i*86 )
1919      # Not sure whether the presence of OpenBSD here was a mistake.
1920      # Let's accept both of them until this is cleared up.
1921      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD)/i[[3-9]]86 (compact )?demand paged shared library'
1922      lt_cv_file_magic_cmd=/usr/bin/file
1923      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
1924      ;;
1925    esac
1926  else
1927    lt_cv_deplibs_check_method=pass_all
1928  fi
1929  ;;
1930
1931gnu*)
1932  lt_cv_deplibs_check_method=pass_all
1933  ;;
1934
1935hpux10.20* | hpux11*)
1936  lt_cv_file_magic_cmd=/usr/bin/file
1937  if test "$host_cpu" = ia64; then
1938    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|ELF-[[0-9]][[0-9]]) shared object file - IA64'
1939    lt_cv_file_magic_test_file=/usr/lib/hpux32/libc.so
1940  else
1941    lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library'
1942    lt_cv_file_magic_test_file=/usr/lib/libc.sl
1943  fi
1944  ;;
1945
1946irix5* | irix6* | nonstopux*)
1947  case $host_os in
1948  irix5* | nonstopux*)
1949    # this will be overridden with pass_all, but let us keep it just in case
1950    lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
1951    ;;
1952  *)
1953    case $LD in
1954    *-32|*"-32 ") libmagic=32-bit;;
1955    *-n32|*"-n32 ") libmagic=N32;;
1956    *-64|*"-64 ") libmagic=64-bit;;
1957    *) libmagic=never-match;;
1958    esac
1959    # this will be overridden with pass_all, but let us keep it just in case
1960    lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[[1234]] dynamic lib MIPS - version 1"
1961    ;;
1962  esac
1963  lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
1964  lt_cv_deplibs_check_method=pass_all
1965  ;;
1966
1967# This must be Linux ELF.
1968linux*)
1969  case $host_cpu in
1970  alpha* | hppa* | i*86 | ia64* | m68* | mips | mipsel | powerpc* | sparc* | s390* | sh* | x86_64* )
1971    lt_cv_deplibs_check_method=pass_all ;;
1972  # the debian people say, arm and glibc 2.3.1 works for them with pass_all
1973  arm* )
1974    lt_cv_deplibs_check_method=pass_all ;;
1975  *)
1976    # glibc up to 2.1.1 does not perform some relocations on ARM
1977    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' ;;
1978  esac
1979  lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
1980  ;;
1981
1982netbsd*)
1983  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
1984    lt_cv_deplibs_check_method='match_pattern /lib[[^/\.]]+\.so\.[[0-9]]+\.[[0-9]]+$'
1985  else
1986    lt_cv_deplibs_check_method='match_pattern /lib[[^/\.]]+\.so$'
1987  fi
1988  ;;
1989
1990newos6*)
1991  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
1992  lt_cv_file_magic_cmd=/usr/bin/file
1993  lt_cv_file_magic_test_file=/usr/lib/libnls.so
1994  ;;
1995
1996nto-qnx)
1997  lt_cv_deplibs_check_method=unknown
1998  ;;
1999
2000openbsd*)
2001  lt_cv_file_magic_cmd=/usr/bin/file
2002  lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
2003  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
2004    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB shared object'
2005  else
2006    lt_cv_deplibs_check_method='file_magic OpenBSD.* shared library'
2007  fi
2008  ;;
2009
2010osf3* | osf4* | osf5*)
2011  # this will be overridden with pass_all, but let us keep it just in case
2012  lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
2013  lt_cv_file_magic_test_file=/shlib/libc.so
2014  lt_cv_deplibs_check_method=pass_all
2015  ;;
2016
2017sco3.2v5*)
2018  lt_cv_deplibs_check_method=pass_all
2019  ;;
2020
2021solaris*)
2022  lt_cv_deplibs_check_method=pass_all
2023  lt_cv_file_magic_test_file=/lib/libc.so
2024  ;;
2025
2026sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
2027  case $host_vendor in
2028  motorola)
2029    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
2030    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
2031    ;;
2032  ncr)
2033    lt_cv_deplibs_check_method=pass_all
2034    ;;
2035  sequent)
2036    lt_cv_file_magic_cmd='/bin/file'
2037    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
2038    ;;
2039  sni)
2040    lt_cv_file_magic_cmd='/bin/file'
2041    lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
2042    lt_cv_file_magic_test_file=/lib/libc.so
2043    ;;
2044  esac
2045  ;;
2046
2047sysv5OpenUNIX8* | sysv5UnixWare7* | sysv5uw[[78]]* | unixware7* | sysv4*uw2*)
2048  lt_cv_deplibs_check_method=pass_all
2049  ;;
2050esac
2051])
2052file_magic_cmd=$lt_cv_file_magic_cmd
2053deplibs_check_method=$lt_cv_deplibs_check_method
2054test -z "$deplibs_check_method" && deplibs_check_method=unknown
2055])# AC_DEPLIBS_CHECK_METHOD
2056
2057
2058# AC_PROG_NM
2059# ----------
2060# find the path to a BSD-compatible name lister
2061AC_DEFUN([AC_PROG_NM],
2062[AC_CACHE_CHECK([for BSD-compatible nm], lt_cv_path_NM,
2063[if test -n "$NM"; then
2064  # Let the user override the test.
2065  lt_cv_path_NM="$NM"
2066else
2067  lt_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
2068  for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
2069    IFS="$lt_save_ifs"
2070    test -z "$ac_dir" && ac_dir=.
2071    tmp_nm="$ac_dir/${ac_tool_prefix}nm"
2072    if test -f "$tmp_nm" || test -f "$tmp_nm$ac_exeext" ; then
2073      # Check to see if the nm accepts a BSD-compat flag.
2074      # Adding the `sed 1q' prevents false positives on HP-UX, which says:
2075      #   nm: unknown option "B" ignored
2076      # Tru64's nm complains that /dev/null is an invalid object file
2077      if ("$tmp_nm" -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then
2078	lt_cv_path_NM="$tmp_nm -B"
2079	break
2080      elif ("$tmp_nm" -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
2081	lt_cv_path_NM="$tmp_nm -p"
2082	break
2083      else
2084	lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
2085	continue # so that we can try to find one that supports BSD flags
2086      fi
2087    fi
2088  done
2089  IFS="$lt_save_ifs"
2090  test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
2091fi])
2092NM="$lt_cv_path_NM"
2093])# AC_PROG_NM
2094
2095
2096# AC_CHECK_LIBM
2097# -------------
2098# check for math library
2099AC_DEFUN([AC_CHECK_LIBM],
2100[AC_REQUIRE([AC_CANONICAL_HOST])dnl
2101LIBM=
2102case $host in
2103*-*-beos* | *-*-cygwin* | *-*-pw32*)
2104  # These system don't have libm
2105  ;;
2106*-ncr-sysv4.3*)
2107  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
2108  AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
2109  ;;
2110*)
2111  AC_CHECK_LIB(m, main, LIBM="-lm")
2112  ;;
2113esac
2114])# AC_CHECK_LIBM
2115
2116
2117# AC_LIBLTDL_CONVENIENCE([DIRECTORY])
2118# -----------------------------------
2119# sets LIBLTDL to the link flags for the libltdl convenience library and
2120# LTDLINCL to the include flags for the libltdl header and adds
2121# --enable-ltdl-convenience to the configure arguments.  Note that LIBLTDL
2122# and LTDLINCL are not AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If
2123# DIRECTORY is not provided, it is assumed to be `libltdl'.  LIBLTDL will
2124# be prefixed with '${top_builddir}/' and LTDLINCL will be prefixed with
2125# '${top_srcdir}/' (note the single quotes!).  If your package is not
2126# flat and you're not using automake, define top_builddir and
2127# top_srcdir appropriately in the Makefiles.
2128AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
2129[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
2130  case $enable_ltdl_convenience in
2131  no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
2132  "") enable_ltdl_convenience=yes
2133      ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
2134  esac
2135  LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
2136  LTDLINCL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
2137  # For backwards non-gettext consistent compatibility...
2138  INCLTDL="$LTDLINCL"
2139])# AC_LIBLTDL_CONVENIENCE
2140
2141
2142# AC_LIBLTDL_INSTALLABLE([DIRECTORY])
2143# -----------------------------------
2144# sets LIBLTDL to the link flags for the libltdl installable library and
2145# LTDLINCL to the include flags for the libltdl header and adds
2146# --enable-ltdl-install to the configure arguments.  Note that LIBLTDL
2147# and LTDLINCL are not AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If
2148# DIRECTORY is not provided and an installed libltdl is not found, it is
2149# assumed to be `libltdl'.  LIBLTDL will be prefixed with '${top_builddir}/'
2150# and LTDLINCL will be prefixed with '${top_srcdir}/' (note the single
2151# quotes!).  If your package is not flat and you're not using automake,
2152# define top_builddir and top_srcdir appropriately in the Makefiles.
2153# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
2154AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
2155[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
2156  AC_CHECK_LIB(ltdl, main,
2157  [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
2158  [if test x"$enable_ltdl_install" = xno; then
2159     AC_MSG_WARN([libltdl not installed, but installation disabled])
2160   else
2161     enable_ltdl_install=yes
2162   fi
2163  ])
2164  if test x"$enable_ltdl_install" = x"yes"; then
2165    ac_configure_args="$ac_configure_args --enable-ltdl-install"
2166    LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
2167    LTDLINCL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
2168  else
2169    ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
2170    LIBLTDL="-lltdl"
2171    LTDLINCL=
2172  fi
2173  # For backwards non-gettext consistent compatibility...
2174  INCLTDL="$LTDLINCL"
2175])# AC_LIBLTDL_INSTALLABLE
2176
2177
2178# If this macro is not defined by Autoconf, define it here.
2179ifdef([AC_PROVIDE_IFELSE],
2180      [],
2181      [define([AC_PROVIDE_IFELSE],
2182	      [ifdef([AC_PROVIDE_$1],
2183		     [$2], [$3])])])
2184
2185
2186# AC_LIBTOOL_CXX
2187# --------------
2188# enable support for C++ libraries
2189AC_DEFUN([AC_LIBTOOL_CXX],
2190[AC_REQUIRE([_LT_AC_LANG_CXX])
2191])# AC_LIBTOOL_CXX
2192
2193
2194# _LT_AC_LANG_CXX
2195# ---------------
2196AC_DEFUN([_LT_AC_LANG_CXX],
2197[AC_REQUIRE([AC_PROG_CXX])
2198AC_REQUIRE([AC_PROG_CXXCPP])
2199])# _LT_AC_LANG_CXX
2200
2201
2202# AC_LIBTOOL_GCJ
2203# --------------
2204# enable support for GCJ libraries
2205AC_DEFUN([AC_LIBTOOL_GCJ],
2206[AC_REQUIRE([_LT_AC_LANG_GCJ])
2207])# AC_LIBTOOL_GCJ
2208
2209
2210# _LT_AC_LANG_GCJ
2211# ---------------
2212AC_DEFUN([_LT_AC_LANG_GCJ],
2213[AC_PROVIDE_IFELSE([AC_PROG_GCJ],[],
2214  [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[],
2215    [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],[],
2216      [ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])],
2217	 [ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])],
2218	   [AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])])
2219])# _LT_AC_LANG_GCJ
2220
2221
2222# AC_LIBTOOL_RC
2223# --------------
2224# enable support for Windows resource files
2225AC_DEFUN([AC_LIBTOOL_RC],
2226[AC_REQUIRE([AC_PROG_RC])
2227])# AC_LIBTOOL_RC
2228
2229
2230# AC_LIBTOOL_LANG_C_CONFIG
2231# ------------------------
2232# Ensure that the configuration vars for the C compiler are
2233# suitably defined.  Those variables are subsequently used by
2234# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
2235AC_DEFUN([AC_LIBTOOL_LANG_C_CONFIG], [_LT_AC_LANG_C_CONFIG])
2236AC_DEFUN([_LT_AC_LANG_C_CONFIG],
2237[lt_save_CC="$CC"
2238AC_LANG_PUSH(C)
2239
2240# Source file extension for C test sources.
2241ac_ext=c
2242
2243# Object file extension for compiled C test sources.
2244objext=o
2245_LT_AC_TAGVAR(objext, $1)=$objext
2246
2247# Code to be used in simple compile tests
2248lt_simple_compile_test_code="int some_variable = 0;"
2249
2250# Code to be used in simple link tests
2251lt_simple_link_test_code='main(){return(0);}'
2252
2253_LT_AC_SYS_COMPILER
2254
2255#
2256# Check for any special shared library compilation flags.
2257#
2258_LT_AC_TAGVAR(lt_prog_cc_shlib, $1)=
2259if test "$GCC" = no; then
2260  case $host_os in
2261  sco3.2v5*)
2262    _LT_AC_TAGVAR(lt_prog_cc_shlib, $1)='-belf'
2263    ;;
2264  esac
2265fi
2266if test -n "$_LT_AC_TAGVAR(lt_prog_cc_shlib, $1)"; then
2267  AC_MSG_WARN([`$CC' requires `$_LT_AC_TAGVAR(lt_prog_cc_shlib, $1)' to build shared libraries])
2268  if echo "$old_CC $old_CFLAGS " | egrep -e "[[ 	]]$]_LT_AC_TAGVAR(lt_prog_cc_shlib, $1)[[[ 	]]" >/dev/null; then :
2269  else
2270    AC_MSG_WARN([add `$_LT_AC_TAGVAR(lt_prog_cc_shlib, $1)' to the CC or CFLAGS env variable and reconfigure])
2271    _LT_AC_TAGVAR(lt_cv_prog_cc_can_build_shared, $1)=no
2272  fi
2273fi
2274
2275
2276#
2277# Check to make sure the static flag actually works.
2278#
2279AC_LIBTOOL_LINKER_OPTION([if $compiler static flag $_LT_AC_TAGVAR(lt_prog_compiler_static, $1) works],
2280  _LT_AC_TAGVAR(lt_prog_compiler_static_works, $1),
2281  $_LT_AC_TAGVAR(lt_prog_compiler_static, $1),
2282  [],
2283  [_LT_AC_TAGVAR(lt_prog_compiler_static, $1)=])
2284
2285
2286## CAVEAT EMPTOR:
2287## There is no encapsulation within the following macros, do not change
2288## the running order or otherwise move them around unless you know exactly
2289## what you are doing...
2290AC_LIBTOOL_PROG_COMPILER_NO_RTTI($1)
2291AC_LIBTOOL_PROG_COMPILER_PIC($1)
2292AC_LIBTOOL_PROG_CC_C_O($1)
2293AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
2294AC_LIBTOOL_PROG_LD_SHLIBS($1)
2295AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
2296AC_LIBTOOL_SYS_LIB_STRIP
2297AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
2298AC_LIBTOOL_DLOPEN_SELF($1)
2299
2300# Report which librarie types wil actually be built
2301AC_MSG_CHECKING([if libtool supports shared libraries])
2302AC_MSG_RESULT([$can_build_shared])
2303
2304AC_MSG_CHECKING([whether to build shared libraries])
2305test "$can_build_shared" = "no" && enable_shared=no
2306
2307# On AIX, shared libraries and static libraries use the same namespace, and
2308# are all built from PIC.
2309case "$host_os" in
2310aix3*)
2311  test "$enable_shared" = yes && enable_static=no
2312  if test -n "$RANLIB"; then
2313    archive_cmds="$archive_cmds~\$RANLIB \$lib"
2314    postinstall_cmds='$RANLIB $lib'
2315  fi
2316  ;;
2317
2318aix4*)
2319  if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
2320    test "$enable_shared" = yes && enable_static=no
2321  fi
2322  ;;
2323esac
2324AC_MSG_RESULT([$enable_shared])
2325
2326AC_MSG_CHECKING([whether to build static libraries])
2327# Make sure either enable_shared or enable_static is yes.
2328test "$enable_shared" = yes || enable_static=yes
2329AC_MSG_RESULT([$enable_static])
2330
2331AC_LIBTOOL_CONFIG($1)
2332
2333AC_LANG_POP
2334CC="$lt_save_CC"
2335])# AC_LIBTOOL_LANG_C_CONFIG
2336
2337
2338# AC_LIBTOOL_LANG_CXX_CONFIG
2339# --------------------------
2340# Ensure that the configuration vars for the C compiler are
2341# suitably defined.  Those variables are subsequently used by
2342# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
2343AC_DEFUN([AC_LIBTOOL_LANG_CXX_CONFIG], [_LT_AC_LANG_CXX_CONFIG(CXX)])
2344AC_DEFUN([_LT_AC_LANG_CXX_CONFIG],
2345[AC_LANG_PUSH(C++)
2346AC_REQUIRE([AC_PROG_CXX])
2347AC_REQUIRE([AC_PROG_CXXCPP])
2348
2349_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
2350_LT_AC_TAGVAR(allow_undefined_flag, $1)=
2351_LT_AC_TAGVAR(always_export_symbols, $1)=no
2352_LT_AC_TAGVAR(archive_expsym_cmds, $1)=
2353_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
2354_LT_AC_TAGVAR(hardcode_direct, $1)=no
2355_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
2356_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
2357_LT_AC_TAGVAR(hardcode_minus_L, $1)=no
2358_LT_AC_TAGVAR(link_all_deplibs, $1)=unknown
2359_LT_AC_TAGVAR(old_archive_cmds, $1)=$old_archive_cmds
2360_LT_AC_TAGVAR(no_undefined_flag, $1)=
2361_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
2362
2363# Dependencies to place before and after the object being linked:
2364_LT_AC_TAGVAR(predep_objects, $1)=
2365_LT_AC_TAGVAR(postdep_objects, $1)=
2366_LT_AC_TAGVAR(predeps, $1)=
2367_LT_AC_TAGVAR(postdeps, $1)=
2368_LT_AC_TAGVAR(compiler_lib_search_path, $1)=
2369
2370# Source file extension for C test sources.
2371ac_ext=cc
2372
2373# Object file extension for compiled C test sources.
2374objext=o
2375_LT_AC_TAGVAR(objext, $1)=$objext
2376
2377# Code to be used in simple compile tests
2378lt_simple_compile_test_code="int some_variable = 0;"
2379
2380# Code to be used in simple link tests
2381lt_simple_link_test_code='int main(int char *[]) { return(0); }'
2382
2383# ltmain only uses $CC for tagged configurations so make sure $CC is set.
2384_LT_AC_SYS_COMPILER
2385
2386# Allow CC to be a program name with arguments.
2387lt_save_CC="$CC"
2388CC=${CXX-"c++"}
2389set dummy $CC
2390compiler="[$]2"
2391_LT_AC_TAGVAR(compiler, $1)=$CC
2392cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'`
2393
2394# We don't want -fno-exception wen compiling C++ code, so set the
2395# no_builtin_flag separately
2396if test "$GXX" = yes; then
2397  _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
2398else
2399  _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
2400fi
2401
2402if test "$GXX" = yes; then
2403  # Set up default GNU C++ configuration
2404
2405  # Check if GNU C++ uses GNU ld as the underlying linker, since the
2406  # archiving commands below assume that GNU ld is being used.
2407  if eval "`$CC -print-prog-name=ld` --version 2>&1" | \
2408      egrep 'GNU ld' > /dev/null; then
2409    with_gnu_ld=yes
2410
2411    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
2412    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
2413
2414    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
2415    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
2416
2417    # If archive_cmds runs LD, not CC, wlarc should be empty
2418    # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
2419    #     investigate it a little bit more. (MM)
2420    wlarc='${wl}'
2421
2422    # ancient GNU ld didn't support --whole-archive et. al.
2423    if eval "`$CC -print-prog-name=ld` --help 2>&1" | \
2424	egrep 'no-whole-archive' > /dev/null; then
2425      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
2426    else
2427      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
2428    fi
2429  else
2430    with_gnu_ld=no
2431    wlarc=
2432
2433    # A generic and very simple default shared library creation
2434    # command for GNU C++ for the case where it uses the native
2435    # linker, instead of GNU ld.  If possible, this setting should
2436    # overridden to take advantage of the native linker features on
2437    # the platform it is being used on.
2438    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib'
2439  fi
2440
2441  # Commands to make compiler produce verbose output that lists
2442  # what "hidden" libraries, object files and flags are used when
2443  # linking a shared library.
2444  output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
2445
2446else
2447  GXX=no
2448  with_gnu_ld=no
2449  wlarc=
2450fi
2451
2452# PORTME: fill in a description of your system's C++ link characteristics
2453AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
2454_LT_AC_TAGVAR(ld_shlibs, $1)=yes
2455case $host_os in
2456  aix3*)
2457    # FIXME: insert proper C++ library support
2458    _LT_AC_TAGVAR(ld_shlibs, $1)=no
2459    ;;
2460  aix4* | aix5*)
2461    if test "$host_cpu" = ia64; then
2462      # On IA64, the linker does run time linking by default, so we don't
2463      # have to do anything special.
2464      aix_use_runtimelinking=no
2465      exp_sym_flag='-Bexport'
2466      no_entry_flag=""
2467    else
2468      # KDE requires run time linking.  Make it the default.
2469      aix_use_runtimelinking=yes
2470      exp_sym_flag='-bexport'
2471      no_entry_flag='-bnoentry'
2472    fi
2473
2474    # When large executables or shared objects are built, AIX ld can
2475    # have problems creating the table of contents.  If linking a library
2476    # or program results in "error TOC overflow" add -mminimal-toc to
2477    # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
2478    # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
2479
2480    _LT_AC_TAGVAR(archive_cmds, $1)=''
2481    _LT_AC_TAGVAR(hardcode_direct, $1)=yes
2482    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
2483    _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
2484
2485    if test "$GXX" = yes; then
2486      case $host_os in aix4.[012]|aix4.[012].*)
2487      # We only want to do this on AIX 4.2 and lower, the check
2488      # below for broken collect2 doesn't work under 4.3+
2489	collect2name=`${CC} -print-prog-name=collect2`
2490	if test -f "$collect2name" && \
2491	   strings "$collect2name" | grep resolve_lib_name >/dev/null
2492	then
2493	  # We have reworked collect2
2494	  _LT_AC_TAGVAR(hardcode_direct, $1)=yes
2495	else
2496	  # We have old collect2
2497	  _LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
2498	  # It fails to find uninstalled libraries when the uninstalled
2499	  # path is not listed in the libpath.  Setting hardcode_minus_L
2500	  # to unsupported forces relinking
2501	  _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
2502	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
2503	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
2504	fi
2505      esac
2506      shared_flag='-shared'
2507    else
2508      # not using gcc
2509      if test "$host_cpu" = ia64; then
2510	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
2511	# chokes on -Wl,-G. The following line is correct:
2512	shared_flag='-G'
2513      else
2514	if test "$aix_use_runtimelinking" = yes; then
2515	  shared_flag='-qmkshrobj ${wl}-G'
2516	else
2517	  shared_flag='-qmkshrobj'
2518	fi
2519      fi
2520    fi
2521
2522    # Let the compiler handle the export list.
2523    _LT_AC_TAGVAR(always_export_symbols, $1)=no
2524    if test "$aix_use_runtimelinking" = yes; then
2525      # Warning - without using the other runtime loading flags (-brtl),
2526      # -berok will link without error, but may produce a broken library.
2527      _LT_AC_TAGVAR(allow_undefined_flag, $1)='-berok'
2528      # Determine the default libpath from the value encoded in an empty executable.
2529      _LT_AC_SYS_LIBPATH_AIX
2530      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
2531
2532      _LT_AC_TAGVAR(archive_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '" $shared_flag"
2533      _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
2534     else
2535      if test "$host_cpu" = ia64; then
2536	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
2537	_LT_AC_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
2538	_LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
2539      else
2540	# Determine the default libpath from the value encoded in an empty executable.
2541	_LT_AC_SYS_LIBPATH_AIX
2542	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
2543	# Warning - without using the other run time loading flags,
2544	# -berok will link without error, but may produce a broken library.
2545	_LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
2546	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
2547	# -bexpall does not export symbols beginning with underscore (_)
2548	_LT_AC_TAGVAR(always_export_symbols, $1)=yes
2549	# Exported symbols can be pulled into shared objects from archives
2550	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=' '
2551	_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
2552	# This is similar to how AIX traditionally builds it's shared libraries.
2553	_LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
2554      fi
2555    fi
2556    ;;
2557  chorus*)
2558    case $cc_basename in
2559      *)
2560	# FIXME: insert proper C++ library support
2561	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2562	;;
2563    esac
2564    ;;
2565  dgux*)
2566    case $cc_basename in
2567      ec++)
2568	# FIXME: insert proper C++ library support
2569	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2570	;;
2571      ghcx)
2572	# Green Hills C++ Compiler
2573	# FIXME: insert proper C++ library support
2574	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2575	;;
2576      *)
2577	# FIXME: insert proper C++ library support
2578	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2579	;;
2580    esac
2581    ;;
2582  freebsd[12]*)
2583    # C++ shared libraries reported to be fairly broken before switch to ELF
2584    _LT_AC_TAGVAR(ld_shlibs, $1)=no
2585    ;;
2586  freebsd-elf*)
2587    _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
2588    ;;
2589  freebsd*)
2590    # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
2591    # conventions
2592    _LT_AC_TAGVAR(ld_shlibs, $1)=yes
2593    ;;
2594  gnu*)
2595    ;;
2596  hpux*)
2597    if test $with_gnu_ld = no; then
2598      if test "$host_cpu" = ia64; then
2599	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
2600      else
2601	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
2602	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
2603	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
2604      fi
2605    fi
2606    if test "$host_cpu" = ia64; then
2607      _LT_AC_TAGVAR(hardcode_direct, $1)=no
2608      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
2609    else
2610      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
2611    fi
2612    _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes # Not in the search PATH,
2613					    # but as the default
2614					    # location of the library.
2615
2616    case $cc_basename in
2617      CC)
2618	# FIXME: insert proper C++ library support
2619	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2620	;;
2621      aCC)
2622	case $host_os in
2623	hpux9*)
2624	  _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
2625	  ;;
2626	*)
2627	  if test "$host_cpu" = ia64; then
2628	    _LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname -o $lib $linker_flags $libobjs $deplibs'
2629	  else
2630	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
2631	  fi
2632	  ;;
2633	esac
2634	# Commands to make compiler produce verbose output that lists
2635	# what "hidden" libraries, object files and flags are used when
2636	# linking a shared library.
2637	#
2638	# There doesn't appear to be a way to prevent this compiler from
2639	# explicitly linking system object files so we need to strip them
2640	# from the output so that they don't get included in the library
2641	# dependencies.
2642	output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | egrep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
2643	;;
2644      *)
2645	if test "$GXX" = yes; then
2646	  if test $with_gnu_ld = no; then
2647	    case $host_os in
2648	    hpux9*)
2649	      _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
2650	      ;;
2651	    *)
2652	      if test "$host_cpu" = ia64; then
2653		_LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname -o $lib $linker_flags $libobjs $deplibs'
2654	      else
2655		_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
2656	      fi
2657	      ;;
2658	    esac
2659	  fi
2660	else
2661	  # FIXME: insert proper C++ library support
2662	  _LT_AC_TAGVAR(ld_shlibs, $1)=no
2663	fi
2664	;;
2665    esac
2666    ;;
2667  irix5* | irix6*)
2668    case $cc_basename in
2669      CC)
2670	# SGI C++
2671	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
2672
2673	# Archives containing C++ object files must be created using
2674	# "CC -ar", where "CC" is the IRIX C++ compiler.  This is
2675	# necessary to make sure instantiated templates are included
2676	# in the archive.
2677	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -ar -WR,-u -o $oldlib $oldobjs'
2678	;;
2679      *)
2680	if test "$GXX" = yes; then
2681	  if test "$with_gnu_ld" = no; then
2682	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
2683	  else
2684	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
2685	  fi
2686	fi
2687	_LT_AC_TAGVAR(link_all_deplibs, $1)=yes
2688	;;
2689    esac
2690    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
2691    _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
2692    ;;
2693  linux*)
2694    case $cc_basename in
2695      KCC)
2696	# Kuck and Associates, Inc. (KAI) C++ Compiler
2697
2698	# KCC will only create a shared library if the output file
2699	# ends with ".so" (or ".sl" for HP-UX), so rename the library
2700	# to its proper name (with version) after linking.
2701	_LT_AC_TAGVAR(archive_cmds, $1)='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
2702	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib'
2703
2704	# Commands to make compiler produce verbose output that lists
2705	# what "hidden" libraries, object files and flags are used when
2706	# linking a shared library.
2707	#
2708	# There doesn't appear to be a way to prevent this compiler from
2709	# explicitly linking system object files so we need to strip them
2710	# from the output so that they don't get included in the library
2711	# dependencies.
2712	output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest.so 2>&1 | egrep "ld"`; rm -f libconftest.so; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
2713
2714	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath,$libdir'
2715	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
2716
2717	# Archives containing C++ object files must be created using
2718	# "CC -Bstatic", where "CC" is the KAI C++ compiler.
2719	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
2720	;;
2721      cxx)
2722	# Compaq C++
2723	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib'
2724	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname  -o $lib ${wl}-retain-symbols-file $wl$export_symbols'
2725
2726	runpath_var=LD_RUN_PATH
2727	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
2728	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
2729
2730	# Commands to make compiler produce verbose output that lists
2731	# what "hidden" libraries, object files and flags are used when
2732	# linking a shared library.
2733	#
2734	# There doesn't appear to be a way to prevent this compiler from
2735	# explicitly linking system object files so we need to strip them
2736	# from the output so that they don't get included in the library
2737	# dependencies.
2738	output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
2739	;;
2740    esac
2741    ;;
2742  lynxos*)
2743    # FIXME: insert proper C++ library support
2744    _LT_AC_TAGVAR(ld_shlibs, $1)=no
2745    ;;
2746  m88k*)
2747    # FIXME: insert proper C++ library support
2748    _LT_AC_TAGVAR(ld_shlibs, $1)=no
2749    ;;
2750  mvs*)
2751    case $cc_basename in
2752      cxx)
2753	# FIXME: insert proper C++ library support
2754	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2755	;;
2756      *)
2757	# FIXME: insert proper C++ library support
2758	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2759	;;
2760    esac
2761    ;;
2762  netbsd*)
2763    # NetBSD uses g++ - do we need to do anything?
2764    ;;
2765  osf3*)
2766    case $cc_basename in
2767      KCC)
2768	# Kuck and Associates, Inc. (KAI) C++ Compiler
2769
2770	# KCC will only create a shared library if the output file
2771	# ends with ".so" (or ".sl" for HP-UX), so rename the library
2772	# to its proper name (with version) after linking.
2773	_LT_AC_TAGVAR(archive_cmds, $1)='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
2774
2775	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
2776	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
2777
2778	# Archives containing C++ object files must be created using
2779	# "CC -Bstatic", where "CC" is the KAI C++ compiler.
2780	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -Bstatic -o $oldlib $oldobjs'
2781
2782	;;
2783      RCC)
2784	# Rational C++ 2.4.1
2785	# FIXME: insert proper C++ library support
2786	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2787	;;
2788      cxx)
2789	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
2790	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
2791
2792	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
2793	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
2794
2795	# Commands to make compiler produce verbose output that lists
2796	# what "hidden" libraries, object files and flags are used when
2797	# linking a shared library.
2798	#
2799	# There doesn't appear to be a way to prevent this compiler from
2800	# explicitly linking system object files so we need to strip them
2801	# from the output so that they don't get included in the library
2802	# dependencies.
2803	output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
2804	;;
2805      *)
2806	if test "$GXX" = yes && test "$with_gnu_ld" = no; then
2807	  _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
2808	  _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
2809
2810	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
2811	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
2812
2813	  # Commands to make compiler produce verbose output that lists
2814	  # what "hidden" libraries, object files and flags are used when
2815	  # linking a shared library.
2816	  output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
2817
2818	else
2819	  # FIXME: insert proper C++ library support
2820	  _LT_AC_TAGVAR(ld_shlibs, $1)=no
2821	fi
2822	;;
2823    esac
2824    ;;
2825  osf4* | osf5*)
2826    case $cc_basename in
2827      KCC)
2828	# Kuck and Associates, Inc. (KAI) C++ Compiler
2829
2830	# KCC will only create a shared library if the output file
2831	# ends with ".so" (or ".sl" for HP-UX), so rename the library
2832	# to its proper name (with version) after linking.
2833	_LT_AC_TAGVAR(archive_cmds, $1)='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib'
2834
2835	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
2836	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
2837
2838	# Archives containing C++ object files must be created using
2839	# the KAI C++ compiler.
2840	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -o $oldlib $oldobjs'
2841	;;
2842      RCC)
2843	# Rational C++ 2.4.1
2844	# FIXME: insert proper C++ library support
2845	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2846	;;
2847      cxx)
2848	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
2849	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
2850	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~
2851	  echo "-hidden">> $lib.exp~
2852	  $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname -Wl,-input -Wl,$lib.exp  `test -n "$verstring" && echo -set_version	$verstring` -update_registry $objdir/so_locations -o $lib~
2853	  $rm $lib.exp'
2854
2855	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
2856	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
2857
2858	# Commands to make compiler produce verbose output that lists
2859	# what "hidden" libraries, object files and flags are used when
2860	# linking a shared library.
2861	#
2862	# There doesn't appear to be a way to prevent this compiler from
2863	# explicitly linking system object files so we need to strip them
2864	# from the output so that they don't get included in the library
2865	# dependencies.
2866	output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
2867	;;
2868      *)
2869	if test "$GXX" = yes && test "$with_gnu_ld" = no; then
2870	  _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
2871	 _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
2872
2873	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
2874	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
2875
2876	  # Commands to make compiler produce verbose output that lists
2877	  # what "hidden" libraries, object files and flags are used when
2878	  # linking a shared library.
2879	  output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"'
2880
2881	else
2882	  # FIXME: insert proper C++ library support
2883	  _LT_AC_TAGVAR(ld_shlibs, $1)=no
2884	fi
2885	;;
2886    esac
2887    ;;
2888  psos*)
2889    # FIXME: insert proper C++ library support
2890    _LT_AC_TAGVAR(ld_shlibs, $1)=no
2891    ;;
2892  sco*)
2893    _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
2894    case $cc_basename in
2895      CC)
2896	# FIXME: insert proper C++ library support
2897	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2898	;;
2899      *)
2900	# FIXME: insert proper C++ library support
2901	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2902	;;
2903    esac
2904    ;;
2905  sunos4*)
2906    case $cc_basename in
2907      CC)
2908	# Sun C++ 4.x
2909	# FIXME: insert proper C++ library support
2910	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2911	;;
2912      lcc)
2913	# Lucid
2914	# FIXME: insert proper C++ library support
2915	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2916	;;
2917      *)
2918	# FIXME: insert proper C++ library support
2919	_LT_AC_TAGVAR(ld_shlibs, $1)=no
2920	;;
2921    esac
2922    ;;
2923  solaris*)
2924    case $cc_basename in
2925      CC)
2926	# Sun C++ 4.2, 5.x and Centerline C++
2927	_LT_AC_TAGVAR(no_undefined_flag, $1)=' -zdefs'
2928	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'
2929	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
2930	$CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
2931
2932	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
2933	_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
2934	case $host_os in
2935	  solaris2.[0-5] | solaris2.[0-5].*) ;;
2936	  *)
2937	    # The C++ compiler is used as linker so we must use $wl
2938	    # flag to pass the commands to the underlying system
2939	    # linker.
2940	    # Supported since Solaris 2.6 (maybe 2.5.1?)
2941	    _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract'
2942	    ;;
2943	esac
2944	_LT_AC_TAGVAR(link_all_deplibs, $1)=yes
2945
2946	# Commands to make compiler produce verbose output that lists
2947	# what "hidden" libraries, object files and flags are used when
2948	# linking a shared library.
2949	#
2950	# There doesn't appear to be a way to prevent this compiler from
2951	# explicitly linking system object files so we need to strip them
2952	# from the output so that they don't get included in the library
2953	# dependencies.
2954	output_verbose_link_cmd='templist=`$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep "\-R|\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list'
2955
2956	# Archives containing C++ object files must be created using
2957	# "CC -xar", where "CC" is the Sun C++ compiler.  This is
2958	# necessary to make sure instantiated templates are included
2959	# in the archive.
2960	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC -xar -o $oldlib $oldobjs'
2961	;;
2962      gcx)
2963	# Green Hills C++ Compiler
2964	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
2965
2966	# The C++ compiler must be used to create the archive.
2967	_LT_AC_TAGVAR(old_archive_cmds, $1)='$CC $LDFLAGS -archive -o $oldlib $oldobjs'
2968	;;
2969      *)
2970	# GNU C++ compiler with Solaris linker
2971	if test "$GXX" = yes && test "$with_gnu_ld" = no; then
2972	  _LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-z ${wl}defs'
2973	  if $CC --version | egrep -v '^2\.7' > /dev/null; then
2974	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
2975	    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
2976		$CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
2977
2978	    # Commands to make compiler produce verbose output that lists
2979	    # what "hidden" libraries, object files and flags are used when
2980	    # linking a shared library.
2981	    output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
2982	  else
2983	    # g++ 2.7 appears to require `-G' NOT `-shared' on this
2984	    # platform.
2985	    _LT_AC_TAGVAR(archive_cmds, $1)='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $linker_flags ${wl}-h $wl$soname -o $lib'
2986	    _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
2987		$CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags~$rm $lib.exp'
2988
2989	    # Commands to make compiler produce verbose output that lists
2990	    # what "hidden" libraries, object files and flags are used when
2991	    # linking a shared library.
2992	    output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
2993	  fi
2994
2995	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $wl$libdir'
2996	fi
2997	;;
2998    esac
2999    ;;
3000  sysv5OpenUNIX8* | sysv5UnixWare7* | sysv5uw[[78]]* | unixware7*)
3001    _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
3002    ;;
3003  tandem*)
3004    case $cc_basename in
3005      NCC)
3006	# NonStop-UX NCC 3.20
3007	# FIXME: insert proper C++ library support
3008	_LT_AC_TAGVAR(ld_shlibs, $1)=no
3009	;;
3010      *)
3011	# FIXME: insert proper C++ library support
3012	_LT_AC_TAGVAR(ld_shlibs, $1)=no
3013	;;
3014    esac
3015    ;;
3016  vxworks*)
3017    # FIXME: insert proper C++ library support
3018    _LT_AC_TAGVAR(ld_shlibs, $1)=no
3019    ;;
3020  *)
3021    # FIXME: insert proper C++ library support
3022    _LT_AC_TAGVAR(ld_shlibs, $1)=no
3023    ;;
3024esac
3025AC_MSG_RESULT([$_LT_AC_TAGVAR(ld_shlibs, $1)])
3026test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
3027
3028# Figure out "hidden" C++ library dependencies from verbose
3029# compiler output whening linking a shared library.
3030cat > conftest.$ac_ext <<EOF
3031class Foo
3032{
3033public:
3034  Foo (void) { a = 0; }
3035private:
3036  int a;
3037};
3038EOF
3039
3040
3041if AC_TRY_EVAL(ac_compile); then
3042  # Parse the compiler output and extract the necessary
3043  # objects, libraries and library flags.
3044
3045  # Sentinel used to keep track of whether or not we are before
3046  # the conftest object file.
3047  pre_test_object_deps_done=no
3048
3049  # The `*' in the case matches for architectures that use `case' in
3050  # $output_verbose_cmd can trigger glob expansion during the loop
3051  # eval without this substitution.
3052  output_verbose_link_cmd="`$echo \"X$output_verbose_link_cmd\" | $Xsed -e \"$no_glob_subst\"`"
3053
3054  for p in `eval $output_verbose_link_cmd`; do
3055    case $p in
3056
3057    -L* | -R* | -l*)
3058       # Some compilers place space between "-{L,R}" and the path.
3059       # Remove the space.
3060       if test $p = "-L" \
3061	  || test $p = "-R"; then
3062	 prev=$p
3063	 continue
3064       else
3065	 prev=
3066       fi
3067
3068       if test "$pre_test_object_deps_done" = no; then
3069	 case $p in
3070	 -L* | -R*)
3071	   # Internal compiler library paths should come after those
3072	   # provided the user.  The postdeps already come after the
3073	   # user supplied libs so there is no need to process them.
3074	   if test -z "$_LT_AC_TAGVAR(compiler_lib_search_path, $1)"; then
3075	     _LT_AC_TAGVAR(compiler_lib_search_path, $1)="${prev}${p}"
3076	   else
3077	     _LT_AC_TAGVAR(compiler_lib_search_path, $1)="${_LT_AC_TAGVAR(compiler_lib_search_path, $1)} ${prev}${p}"
3078	   fi
3079	   ;;
3080	 # The "-l" case would never come before the object being
3081	 # linked, so don't bother handling this case.
3082	 esac
3083       else
3084	 if test -z "$_LT_AC_TAGVAR(postdeps, $1)"; then
3085	   _LT_AC_TAGVAR(postdeps, $1)="${prev}${p}"
3086	 else
3087	   _LT_AC_TAGVAR(postdeps, $1)="${_LT_AC_TAGVAR(postdeps, $1)} ${prev}${p}"
3088	 fi
3089       fi
3090       ;;
3091
3092    *.$objext|*.$libext)
3093       # This assumes that the test object file only shows up
3094       # once in the compiler output.
3095       if test "$p" = "conftest.$objext"; then
3096	 pre_test_object_deps_done=yes
3097	 continue
3098       fi
3099
3100       if test "$pre_test_object_deps_done" = no; then
3101	 if test -z "$_LT_AC_TAGVAR(predep_objects, $1)"; then
3102	   _LT_AC_TAGVAR(predep_objects, $1)="$p"
3103	 else
3104	   _LT_AC_TAGVAR(predep_objects, $1)="$_LT_AC_TAGVAR(predep_objects, $1) $p"
3105	 fi
3106       else
3107	 if test -z "$_LT_AC_TAGVAR(postdep_objects, $1)"; then
3108	   _LT_AC_TAGVAR(postdep_objects, $1)="$p"
3109	 else
3110	   _LT_AC_TAGVAR(postdep_objects, $1)="$_LT_AC_TAGVAR(postdep_objects, $1) $p"
3111	 fi
3112       fi
3113       ;;
3114
3115    *) ;; # Ignore the rest.
3116
3117    esac
3118  done
3119
3120  # Clean up.
3121  rm -f a.out
3122else
3123  echo "libtool.m4: error: problem compiling C++ test program"
3124fi
3125
3126$rm -f confest.$objext
3127
3128case " $_LT_AC_TAGVAR(postdeps, $1) " in
3129*" -lc "*) _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no ;;
3130*) _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes ;;
3131esac
3132
3133_LT_AC_TAGVAR(GCC, $1)="$GXX"
3134_LT_AC_TAGVAR(LD, $1)="$LD"
3135
3136## CAVEAT EMPTOR:
3137## There is no encapsulation within the following macros, do not change
3138## the running order or otherwise move them around unless you know exactly
3139## what you are doing...
3140AC_LIBTOOL_PROG_COMPILER_PIC($1)
3141AC_LIBTOOL_PROG_CC_C_O($1)
3142AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
3143AC_LIBTOOL_PROG_LD_SHLIBS($1)
3144AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
3145AC_LIBTOOL_SYS_LIB_STRIP
3146AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
3147AC_LIBTOOL_DLOPEN_SELF($1)
3148
3149AC_LIBTOOL_CONFIG($1)
3150
3151AC_LANG_POP
3152CC="$lt_save_CC"
3153])# AC_LIBTOOL_LANG_CXX_CONFIG
3154
3155
3156# AC_LIBTOOL_LANG_GCJ_CONFIG
3157# --------------------------
3158# Ensure that the configuration vars for the C compiler are
3159# suitably defined.  Those variables are subsequently used by
3160# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
3161AC_DEFUN([AC_LIBTOOL_LANG_GCJ_CONFIG], [_LT_AC_LANG_GCJ_CONFIG(GCJ)])
3162AC_DEFUN([_LT_AC_LANG_GCJ_CONFIG],
3163[AC_LANG_SAVE
3164
3165# Source file extension for C test sources.
3166ac_ext=java
3167
3168# Object file extension for compiled C test sources.
3169objext=o
3170_LT_AC_TAGVAR(objext, $1)=$objext
3171
3172# Code to be used in simple compile tests
3173lt_simple_compile_test_code="class foo {}"
3174
3175# Code to be used in simple link tests
3176lt_simple_link_test_code='public class conftest { public static void main(String[] argv) {}; }'
3177
3178# ltmain only uses $CC for tagged configurations so make sure $CC is set.
3179_LT_AC_SYS_COMPILER
3180
3181# Allow CC to be a program name with arguments.
3182lt_save_CC="$CC"
3183CC=${GCJ-"gcj"}
3184set dummy $CC
3185compiler="[$]2"
3186_LT_AC_TAGVAR(compiler, $1)=$CC
3187
3188# GCJ did not exist at the time GCC didn't implicitly link libc in.
3189_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
3190
3191## CAVEAT EMPTOR:
3192## There is no encapsulation within the following macros, do not change
3193## the running order or otherwise move them around unless you know exactly
3194## what you are doing...
3195AC_LIBTOOL_PROG_COMPILER_NO_RTTI($1)
3196AC_LIBTOOL_PROG_COMPILER_PIC($1)
3197AC_LIBTOOL_PROG_CC_C_O($1)
3198AC_LIBTOOL_SYS_HARD_LINK_LOCKS($1)
3199AC_LIBTOOL_PROG_LD_SHLIBS($1)
3200AC_LIBTOOL_PROG_LD_HARDCODE_LIBPATH($1)
3201AC_LIBTOOL_SYS_LIB_STRIP
3202AC_LIBTOOL_SYS_DYNAMIC_LINKER($1)
3203AC_LIBTOOL_DLOPEN_SELF($1)
3204
3205AC_LIBTOOL_CONFIG($1)
3206
3207AC_LANG_RESTORE
3208CC="$lt_save_CC"
3209])# AC_LIBTOOL_LANG_GCJ_CONFIG
3210
3211
3212# AC_LIBTOOL_LANG_RC_CONFIG
3213# --------------------------
3214# Ensure that the configuration vars for the Windows resource compiler are
3215# suitably defined.  Those variables are subsequently used by
3216# AC_LIBTOOL_CONFIG to write the compiler configuration to `libtool'.
3217AC_DEFUN([AC_LIBTOOL_LANG_RC_CONFIG], [_LT_AC_LANG_RC_CONFIG(RC)])
3218AC_DEFUN([_LT_AC_LANG_RC_CONFIG],
3219[AC_LANG_SAVE
3220
3221# Source file extension for RC test sources.
3222ac_ext=rc
3223
3224# Object file extension for compiled RC test sources.
3225objext=o
3226_LT_AC_TAGVAR(objext, $1)=$objext
3227
3228# Code to be used in simple compile tests
3229lt_simple_compile_test_code='sample MENU { MENUITEM "&Soup", 100, CHECKED }'
3230
3231# Code to be used in simple link tests
3232lt_simple_link_test_code="$lt_simple_compile_test_code"
3233
3234# ltmain only uses $CC for tagged configurations so make sure $CC is set.
3235_LT_AC_SYS_COMPILER
3236
3237# Allow CC to be a program name with arguments.
3238lt_save_CC="$CC"
3239CC=${RC-"windres"}
3240set dummy $CC
3241compiler="[$]2"
3242_LT_AC_TAGVAR(compiler, $1)=$CC
3243_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)=yes
3244
3245AC_LIBTOOL_CONFIG($1)
3246
3247AC_LANG_RESTORE
3248CC="$lt_save_CC"
3249])# AC_LIBTOOL_LANG_RC_CONFIG
3250
3251
3252# AC_LIBTOOL_CONFIG([TAGNAME])
3253# ----------------------------
3254# If TAGNAME is not passed, then create an initial libtool script
3255# with a default configuration from the untagged config vars.  Otherwise
3256# add code to config.status for appending the configuration named by
3257# TAGNAME from the matching tagged config vars.
3258AC_DEFUN([AC_LIBTOOL_CONFIG],
3259[# The else clause should only fire when bootstrapping the
3260# libtool distribution, otherwise you forgot to ship ltmain.sh
3261# with your package, and you will get complaints that there are
3262# no rules to generate ltmain.sh.
3263if test -f "$ltmain"; then
3264  # Now quote all the things that may contain metacharacters while being
3265  # careful not to overquote the AC_SUBSTed values.  We take copies of the
3266  # variables and quote the copies for generation of the libtool script.
3267  for var in echo old_CC old_CFLAGS AR AR_FLAGS RANLIB LN_S LTCC NM SED SHELL \
3268    libname_spec library_names_spec soname_spec extract_expsyms_cmds \
3269    old_striplib striplib file_magic_cmd finish_cmds finish_eval \
3270    deplibs_check_method reload_flag reload_cmds need_locks \
3271    lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl \
3272    lt_cv_sys_global_symbol_to_c_name_address \
3273    sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
3274    old_postinstall_cmds old_postuninstall_cmds \
3275    _LT_AC_TAGVAR(compiler, $1) \
3276    _LT_AC_TAGVAR(CC, $1) \
3277    _LT_AC_TAGVAR(LD, $1) \
3278    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1) \
3279    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1) \
3280    _LT_AC_TAGVAR(lt_prog_compiler_static, $1) \
3281    _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) \
3282    _LT_AC_TAGVAR(export_dynamic_flag_spec, $1) \
3283    _LT_AC_TAGVAR(thread_safe_flag_spec, $1) \
3284    _LT_AC_TAGVAR(whole_archive_flag_spec, $1) \
3285    _LT_AC_TAGVAR(old_archive_cmds, $1) \
3286    _LT_AC_TAGVAR(old_archive_from_new_cmds, $1) \
3287    _LT_AC_TAGVAR(predep_objects, $1) \
3288    _LT_AC_TAGVAR(postdep_objects, $1) \
3289    _LT_AC_TAGVAR(predeps, $1) \
3290    _LT_AC_TAGVAR(postdeps, $1) \
3291    _LT_AC_TAGVAR(compiler_lib_search_path, $1) \
3292    _LT_AC_TAGVAR(archive_cmds, $1) \
3293    _LT_AC_TAGVAR(archive_expsym_cmds, $1) \
3294    _LT_AC_TAGVAR(postinstall_cmds, $1) \
3295    _LT_AC_TAGVAR(postuninstall_cmds, $1) \
3296    _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1) \
3297    _LT_AC_TAGVAR(allow_undefined_flag, $1) \
3298    _LT_AC_TAGVAR(no_undefined_flag, $1) \
3299    _LT_AC_TAGVAR(export_symbols_cmds, $1) \
3300    _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) \
3301    _LT_AC_TAGVAR(hardcode_libdir_separator, $1) \
3302    _LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1) \
3303    _LT_AC_TAGVAR(exclude_expsyms, $1) \
3304    _LT_AC_TAGVAR(include_expsyms, $1); do
3305
3306    case $var in
3307    _LT_AC_TAGVAR(old_archive_cmds, $1) | \
3308    _LT_AC_TAGVAR(old_archive_from_new_cmds, $1) | \
3309    _LT_AC_TAGVAR(archive_cmds, $1) | \
3310    _LT_AC_TAGVAR(archive_expsym_cmds, $1) | \
3311    _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1) | \
3312    _LT_AC_TAGVAR(export_symbols_cmds, $1) | \
3313    extract_expsyms_cmds | reload_cmds | finish_cmds | \
3314    postinstall_cmds | postuninstall_cmds | \
3315    old_postinstall_cmds | old_postuninstall_cmds | \
3316    sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
3317      # Double-quote double-evaled strings.
3318      eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
3319      ;;
3320    *)
3321      eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
3322      ;;
3323    esac
3324  done
3325
3326  case $lt_echo in
3327  *'\[$]0 --fallback-echo"')
3328    lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\[$]0 --fallback-echo"[$]/[$]0 --fallback-echo"/'`
3329    ;;
3330  esac
3331
3332ifelse([$1], [],
3333  [cfgfile="${ofile}T"
3334  trap "$rm \"$cfgfile\"; exit 1" 1 2 15
3335  $rm -f "$cfgfile"
3336  AC_MSG_NOTICE([creating $ofile])],
3337  [cfgfile="$ofile"])
3338
3339  cat <<__EOF__ >> "$cfgfile"
3340ifelse([$1], [],
3341[#! $SHELL
3342
3343# `$echo "$cfgfile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
3344# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
3345# NOTE: Changes made to this file will be lost: look at ltmain.sh.
3346#
3347# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
3348# Free Software Foundation, Inc.
3349#
3350# This file is part of GNU Libtool:
3351# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
3352#
3353# This program is free software; you can redistribute it and/or modify
3354# it under the terms of the GNU General Public License as published by
3355# the Free Software Foundation; either version 2 of the License, or
3356# (at your option) any later version.
3357#
3358# This program is distributed in the hope that it will be useful, but
3359# WITHOUT ANY WARRANTY; without even the implied warranty of
3360# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
3361# General Public License for more details.
3362#
3363# You should have received a copy of the GNU General Public License
3364# along with this program; if not, write to the Free Software
3365# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
3366#
3367# As a special exception to the GNU General Public License, if you
3368# distribute this file as part of a program that contains a
3369# configuration script generated by Autoconf, you may include it under
3370# the same distribution terms that you use for the rest of that program.
3371
3372# Sed that helps us avoid accidentally triggering echo(1) options like -n.
3373Xsed="sed -e s/^X//"
3374
3375# The HP-UX ksh and POSIX shell print the target directory to stdout
3376# if CDPATH is set.
3377if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
3378
3379# The names of the tagged configurations supported by this script.
3380available_tags=
3381
3382# ### BEGIN LIBTOOL CONFIG],
3383[# ### BEGIN LIBTOOL TAG CONFIG: $tagname])
3384
3385# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
3386
3387# Shell to use when invoking shell scripts.
3388SHELL=$lt_SHELL
3389
3390# Whether or not to build shared libraries.
3391build_libtool_libs=$enable_shared
3392
3393# Whether or not to build static libraries.
3394build_old_libs=$enable_static
3395
3396# Whether or not to add -lc for building shared libraries.
3397build_libtool_need_lc=$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)
3398
3399# Whether or not to optimize for fast installation.
3400fast_install=$enable_fast_install
3401
3402# The host system.
3403host_alias=$host_alias
3404host=$host
3405
3406# An echo program that does not interpret backslashes.
3407echo=$lt_echo
3408
3409# The archiver.
3410AR=$lt_AR
3411AR_FLAGS=$lt_AR_FLAGS
3412
3413# A C compiler.
3414LTCC=$lt_LTCC
3415
3416# A language-specific compiler.
3417CC=$lt_[]_LT_AC_TAGVAR(compiler, $1)
3418
3419# Is the compiler the GNU C compiler?
3420with_gcc=$_LT_AC_TAGVAR(GCC, $1)
3421
3422# The linker used to build libraries.
3423LD=$lt_[]_LT_AC_TAGVAR(LD, $1)
3424
3425# Whether we need hard or soft links.
3426LN_S=$lt_LN_S
3427
3428# A BSD-compatible nm program.
3429NM=$lt_NM
3430
3431# A sed program that does not truncate output.
3432SED=$lt_SED
3433
3434# A symbol stripping program
3435STRIP=$STRIP
3436
3437# Used to examine libraries when file_magic_cmd begins "file"
3438MAGIC_CMD=$MAGIC_CMD
3439
3440# Used on cygwin: DLL creation program.
3441DLLTOOL="$DLLTOOL"
3442
3443# Used on cygwin: object dumper.
3444OBJDUMP="$OBJDUMP"
3445
3446# Used on cygwin: assembler.
3447AS="$AS"
3448
3449# The name of the directory that contains temporary libtool files.
3450objdir=$objdir
3451
3452# How to create reloadable object files.
3453reload_flag=$lt_reload_flag
3454reload_cmds=$lt_reload_cmds
3455
3456# How to pass a linker flag through the compiler.
3457wl=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)
3458
3459# Object file suffix (normally "o").
3460objext="$ac_objext"
3461
3462# Old archive suffix (normally "a").
3463libext="$libext"
3464
3465# Executable file suffix (normally "").
3466exeext="$exeext"
3467
3468# Additional compiler flags for building library objects.
3469pic_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)
3470pic_mode=$pic_mode
3471
3472# What is the maximum length of a command?
3473max_cmd_len=$lt_cv_sys_max_cmd_len
3474
3475# Does compiler simultaneously support -c and -o options?
3476compiler_c_o=$lt_[]_LT_AC_TAGVAR(lt_cv_prog_compiler_c_o, $1)
3477
3478# Must we lock files when doing compilation ?
3479need_locks=$lt_need_locks
3480
3481# Do we need the lib prefix for modules?
3482need_lib_prefix=$need_lib_prefix
3483
3484# Do we need a version for libraries?
3485need_version=$need_version
3486
3487# Whether dlopen is supported.
3488dlopen_support=$enable_dlopen
3489
3490# Whether dlopen of programs is supported.
3491dlopen_self=$enable_dlopen_self
3492
3493# Whether dlopen of statically linked programs is supported.
3494dlopen_self_static=$enable_dlopen_self_static
3495
3496# Compiler flag to prevent dynamic linking.
3497link_static_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_static, $1)
3498
3499# Compiler flag to turn off builtin functions.
3500no_builtin_flag=$lt_[]_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)
3501
3502# Compiler flag to allow reflexive dlopens.
3503export_dynamic_flag_spec=$lt_[]_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)
3504
3505# Compiler flag to generate shared objects directly from archives.
3506whole_archive_flag_spec=$lt_[]_LT_AC_TAGVAR(whole_archive_flag_spec, $1)
3507
3508# Compiler flag to generate thread-safe objects.
3509thread_safe_flag_spec=$lt_[]_LT_AC_TAGVAR(thread_safe_flag_spec, $1)
3510
3511# Library versioning type.
3512version_type=$version_type
3513
3514# Format of library name prefix.
3515libname_spec=$lt_libname_spec
3516
3517# List of archive names.  First name is the real one, the rest are links.
3518# The last name is the one that the linker finds with -lNAME.
3519library_names_spec=$lt_library_names_spec
3520
3521# The coded name of the library, if different from the real name.
3522soname_spec=$lt_soname_spec
3523
3524# Commands used to build and install an old-style archive.
3525RANLIB=$lt_RANLIB
3526old_archive_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_cmds, $1)
3527old_postinstall_cmds=$lt_old_postinstall_cmds
3528old_postuninstall_cmds=$lt_old_postuninstall_cmds
3529
3530# Create an old-style archive from a shared archive.
3531old_archive_from_new_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_from_new_cmds, $1)
3532
3533# Create a temporary old-style archive to link instead of a shared archive.
3534old_archive_from_expsyms_cmds=$lt_[]_LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1)
3535
3536# Commands used to build and install a shared archive.
3537archive_cmds=$lt_[]_LT_AC_TAGVAR(archive_cmds, $1)
3538archive_expsym_cmds=$lt_[]_LT_AC_TAGVAR(archive_expsym_cmds, $1)
3539postinstall_cmds=$lt_postinstall_cmds
3540postuninstall_cmds=$lt_postuninstall_cmds
3541
3542# Commands to strip libraries.
3543old_striplib=$lt_old_striplib
3544striplib=$lt_striplib
3545
3546# Dependencies to place before the objects being linked to create a
3547# shared library.
3548predep_objects=$lt_[]_LT_AC_TAGVAR(predep_objects, $1)
3549
3550# Dependencies to place after the objects being linked to create a
3551# shared library.
3552postdep_objects=$lt_[]_LT_AC_TAGVAR(postdep_objects, $1)
3553
3554# Dependencies to place before the objects being linked to create a
3555# shared library.
3556predeps=$lt_[]_LT_AC_TAGVAR(predeps, $1)
3557
3558# Dependencies to place after the objects being linked to create a
3559# shared library.
3560postdeps=$lt_[]_LT_AC_TAGVAR(postdeps, $1)
3561
3562# The library search path used internally by the compiler when linking
3563# a shared library.
3564compiler_lib_search_path=$lt_[]_LT_AC_TAGVAR(compiler_lib_search_path, $1)
3565
3566# Method to check whether dependent libraries are shared objects.
3567deplibs_check_method=$lt_deplibs_check_method
3568
3569# Command to use when deplibs_check_method == file_magic.
3570file_magic_cmd=$lt_file_magic_cmd
3571
3572# Flag that allows shared libraries with undefined symbols to be built.
3573allow_undefined_flag=$lt_[]_LT_AC_TAGVAR(allow_undefined_flag, $1)
3574
3575# Flag that forces no undefined symbols.
3576no_undefined_flag=$lt_[]_LT_AC_TAGVAR(no_undefined_flag, $1)
3577
3578# Commands used to finish a libtool library installation in a directory.
3579finish_cmds=$lt_finish_cmds
3580
3581# Same as above, but a single script fragment to be evaled but not shown.
3582finish_eval=$lt_finish_eval
3583
3584# Take the output of nm and produce a listing of raw symbols and C names.
3585global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe
3586
3587# Transform the output of nm in a proper C declaration
3588global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl
3589
3590# Transform the output of nm in a C name address pair
3591global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address
3592
3593# This is the shared library runtime path variable.
3594runpath_var=$runpath_var
3595
3596# This is the shared library path variable.
3597shlibpath_var=$shlibpath_var
3598
3599# Is shlibpath searched before the hard-coded library search path?
3600shlibpath_overrides_runpath=$shlibpath_overrides_runpath
3601
3602# How to hardcode a shared library path into an executable.
3603hardcode_action=$_LT_AC_TAGVAR(hardcode_action, $1)
3604
3605# Whether we should hardcode library paths into libraries.
3606hardcode_into_libs=$hardcode_into_libs
3607
3608# Flag to hardcode \$libdir into a binary during linking.
3609# This must work even if \$libdir does not exist.
3610hardcode_libdir_flag_spec=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)
3611
3612# Whether we need a single -rpath flag with a separated argument.
3613hardcode_libdir_separator=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_separator, $1)
3614
3615# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
3616# resulting binary.
3617hardcode_direct=$_LT_AC_TAGVAR(hardcode_direct, $1)
3618
3619# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
3620# resulting binary.
3621hardcode_minus_L=$_LT_AC_TAGVAR(hardcode_minus_L, $1)
3622
3623# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
3624# the resulting binary.
3625hardcode_shlibpath_var=$_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)
3626
3627# Variables whose values should be saved in libtool wrapper scripts and
3628# restored at relink time.
3629variables_saved_for_relink="$variables_saved_for_relink"
3630
3631# Whether libtool must link a program against all its dependency libraries.
3632link_all_deplibs=$_LT_AC_TAGVAR(link_all_deplibs, $1)
3633
3634# Compile-time system search path for libraries
3635sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
3636
3637# Run-time system search path for libraries
3638sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
3639
3640# Fix the shell variable \$srcfile for the compiler.
3641fix_srcfile_path="$_LT_AC_TAGVAR(fix_srcfile_path, $1)"
3642
3643# Set to yes if exported symbols are required.
3644always_export_symbols=$_LT_AC_TAGVAR(always_export_symbols, $1)
3645
3646# The commands to list exported symbols.
3647export_symbols_cmds=$lt_[]_LT_AC_TAGVAR(export_symbols_cmds, $1)
3648
3649# The commands to extract the exported symbol list from a shared archive.
3650extract_expsyms_cmds=$lt_extract_expsyms_cmds
3651
3652# Symbols that should not be listed in the preloaded symbols.
3653exclude_expsyms=$lt_[]_LT_AC_TAGVAR(exclude_expsyms, $1)
3654
3655# Symbols that must always be exported.
3656include_expsyms=$lt_[]_LT_AC_TAGVAR(include_expsyms, $1)
3657
3658ifelse([$1],[],
3659[# ### END LIBTOOL CONFIG],
3660[# ### END LIBTOOL TAG CONFIG: $tagname])
3661
3662__EOF__
3663
3664ifelse([$1],[], [
3665  case $host_os in
3666  aix3*)
3667    cat <<\EOF >> "$cfgfile"
3668
3669# AIX sometimes has problems with the GCC collect2 program.  For some
3670# reason, if we set the COLLECT_NAMES environment variable, the problems
3671# vanish in a puff of smoke.
3672if test "X${COLLECT_NAMES+set}" != Xset; then
3673  COLLECT_NAMES=
3674  export COLLECT_NAMES
3675fi
3676EOF
3677    ;;
3678
3679  cygwin* | mingw* | pw32* | os2*)
3680    cat <<'EOF' >> "$cfgfile"
3681    # This is a source program that is used to create dlls on Windows
3682    # Don't remove nor modify the starting and closing comments
3683    _LT_AC_FILE_LTDLL_C
3684    # This is a source program that is used to create import libraries
3685    # on Windows for dlls which lack them. Don't remove nor modify the
3686    # starting and closing comments
3687    _LT_AC_FILE_IMPGEN_C
3688EOF
3689    ;;
3690  esac
3691
3692  # We use sed instead of cat because bash on DJGPP gets confused if
3693  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
3694  # text mode, it properly converts lines to CR/LF.  This bash problem
3695  # is reportedly fixed, but why not run on old versions too?
3696  sed '$q' "$ltmain" >> "$cfgfile" || (rm -f "$cfgfile"; exit 1)
3697
3698  mv -f "$cfgfile" "$ofile" || \
3699    (rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
3700  chmod +x "$ofile"
3701])
3702else
3703  # If there is no Makefile yet, we rely on a make rule to execute
3704  # `config.status --recheck' to rerun these tests and create the
3705  # libtool script then.
3706  test -f Makefile && make "$ltmain"
3707fi
3708])# AC_LIBTOOL_CONFIG
3709
3710
3711# AC_LIBTOOL_PROG_COMPILER_NO_RTTI([TAGNAME])
3712# -------------------------------------------
3713AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_NO_RTTI],
3714[AC_REQUIRE([_LT_AC_SYS_COMPILER])dnl
3715
3716_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=
3717
3718if test "$GCC" = yes; then
3719  _LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)=' -fno-builtin'
3720
3721  AC_LIBTOOL_COMPILER_OPTION([if $compiler supports -fno-rtti -fno-exceptions],
3722    lt_cv_prog_compiler_rtti_exceptions,
3723    [-fno-rtti -fno-exceptions -c conftest.$ac_ext], [],
3724    [_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)="$_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1) -fno-rtti -fno-exceptions"])
3725fi
3726])# AC_LIBTOOL_PROG_COMPILER_NO_RTTI
3727
3728
3729# AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
3730# ---------------------------------
3731AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE],
3732[AC_REQUIRE([AC_CANONICAL_HOST])
3733AC_REQUIRE([AC_PROG_NM])
3734AC_REQUIRE([AC_OBJEXT])
3735# Check for command to grab the raw symbol name followed by C symbol from nm.
3736AC_MSG_CHECKING([command to parse $NM output from $compiler object])
3737AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe],
3738[
3739# These are sane defaults that work on at least a few old systems.
3740# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
3741
3742# Character class describing NM global symbol codes.
3743symcode='[[BCDEGRST]]'
3744
3745# Regexp to match symbols that can be accessed directly from C.
3746sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
3747
3748# Transform the above into a raw symbol and a C symbol.
3749symxfrm='\1 \2\3 \3'
3750
3751# Transform an extracted symbol line into a proper C declaration
3752lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern int \1;/p'"
3753
3754# Transform an extracted symbol line into symbol name and symbol address
3755lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
3756
3757# Define system-specific variables.
3758case $host_os in
3759aix*)
3760  symcode='[[BCDT]]'
3761  ;;
3762cygwin* | mingw* | pw32*)
3763  symcode='[[ABCDGISTW]]'
3764  ;;
3765hpux*) # Its linker distinguishes data from code symbols
3766  if test "$host_cpu" = ia64; then
3767    symcode='[[ABCDEGRST]]'
3768  fi
3769  lt_cv_sys_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern int \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
3770  lt_cv_sys_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
3771  ;;
3772irix* | nonstopux*)
3773  symcode='[[BCDEGRST]]'
3774  ;;
3775solaris* | sysv5*)
3776  symcode='[[BDT]]'
3777  ;;
3778sysv4)
3779  symcode='[[DFNSTU]]'
3780  ;;
3781esac
3782
3783# Handle CRLF in mingw tool chain
3784opt_cr=
3785case $host_os in
3786mingw*)
3787  opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp
3788  ;;
3789esac
3790
3791# If we're using GNU nm, then use its standard symbol codes.
3792if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
3793  symcode='[[ABCDGISTW]]'
3794fi
3795
3796# Try without a prefix undercore, then with it.
3797for ac_symprfx in "" "_"; do
3798
3799  # Write the raw and C identifiers.
3800  lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[ 	]]\($symcode$symcode*\)[[ 	]][[ 	]]*\($ac_symprfx\)$sympat$opt_cr$/$symxfrm/p'"
3801
3802  # Check to see that the pipe works correctly.
3803  pipe_works=no
3804
3805  rm -f conftest*
3806  cat > conftest.$ac_ext <<EOF
3807#ifdef __cplusplus
3808extern "C" {
3809#endif
3810char nm_test_var;
3811void nm_test_func(){}
3812#ifdef __cplusplus
3813}
3814#endif
3815int main(){nm_test_var='a';nm_test_func();return(0);}
3816EOF
3817
3818  if AC_TRY_EVAL(ac_compile); then
3819    # Now try to grab the symbols.
3820    nlist=conftest.nm
3821    if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then
3822      # Try sorting and uniquifying the output.
3823      if sort "$nlist" | uniq > "$nlist"T; then
3824	mv -f "$nlist"T "$nlist"
3825      else
3826	rm -f "$nlist"T
3827      fi
3828
3829      # Make sure that we snagged all the symbols we need.
3830      if egrep ' nm_test_var$' "$nlist" >/dev/null; then
3831	if egrep ' nm_test_func$' "$nlist" >/dev/null; then
3832	  cat <<EOF > conftest.$ac_ext
3833#ifdef __cplusplus
3834extern "C" {
3835#endif
3836
3837EOF
3838	  # Now generate the symbol file.
3839	  eval "$lt_cv_sys_global_symbol_to_cdecl"' < "$nlist" | grep -v main >> conftest.$ac_ext'
3840
3841	  cat <<EOF >> conftest.$ac_ext
3842#if defined (__STDC__) && __STDC__
3843# define lt_ptr_t void *
3844#else
3845# define lt_ptr_t char *
3846# define const
3847#endif
3848
3849/* The mapping between symbol names and symbols. */
3850const struct {
3851  const char *name;
3852  lt_ptr_t address;
3853}
3854lt_preloaded_symbols[[]] =
3855{
3856EOF
3857	  sed "s/^$symcode$symcode* \(.*\) \(.*\)$/  {\"\2\", (lt_ptr_t) \&\2},/" < "$nlist" | grep -v main >> conftest.$ac_ext
3858	  cat <<\EOF >> conftest.$ac_ext
3859  {0, (lt_ptr_t) 0}
3860};
3861
3862#ifdef __cplusplus
3863}
3864#endif
3865EOF
3866	  # Now try linking the two files.
3867	  mv conftest.$ac_objext conftstm.$ac_objext
3868	  lt_save_LIBS="$LIBS"
3869	  lt_save_CFLAGS="$CFLAGS"
3870	  LIBS="conftstm.$ac_objext"
3871	  CFLAGS="$CFLAGS$_LT_AC_TAGVAR(lt_prog_compiler_no_builtin_flag, $1)"
3872	  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext}; then
3873	    pipe_works=yes
3874	  fi
3875	  LIBS="$lt_save_LIBS"
3876	  CFLAGS="$lt_save_CFLAGS"
3877	else
3878	  echo "cannot find nm_test_func in $nlist" >&AS_MESSAGE_LOG_FD
3879	fi
3880      else
3881	echo "cannot find nm_test_var in $nlist" >&AS_MESSAGE_LOG_FD
3882      fi
3883    else
3884      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AS_MESSAGE_LOG_FD
3885    fi
3886  else
3887    echo "$progname: failed program was:" >&AS_MESSAGE_LOG_FD
3888    cat conftest.$ac_ext >&5
3889  fi
3890  rm -f conftest* conftst*
3891
3892  # Do not use the global_symbol_pipe unless it works.
3893  if test "$pipe_works" = yes; then
3894    break
3895  else
3896    lt_cv_sys_global_symbol_pipe=
3897  fi
3898done
3899])
3900if test -z "$lt_cv_sys_global_symbol_pipe"; then
3901  lt_cv_sys_global_symbol_to_cdecl=
3902fi
3903if test -z "$lt_cv_sys_global_symbol_pipe$lt_cv_sys_global_symbol_to_cdecl"; then
3904  AC_MSG_RESULT(failed)
3905else
3906  AC_MSG_RESULT(ok)
3907fi
3908]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
3909
3910
3911# AC_LIBTOOL_PROG_COMPILER_PIC([TAGNAME])
3912# ---------------------------------------
3913AC_DEFUN([AC_LIBTOOL_PROG_COMPILER_PIC],
3914[_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)=
3915_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
3916_LT_AC_TAGVAR(lt_prog_compiler_static, $1)=
3917
3918AC_MSG_CHECKING([for $compiler option to produce PIC])
3919 ifelse([$1],[CXX],[
3920  # C++ specific cases for pic, static, wl, etc.
3921  if test "$GXX" = yes; then
3922    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
3923    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
3924
3925    case $host_os in
3926    aix*)
3927      # All AIX code is PIC.
3928      if test "$host_cpu" = ia64; then
3929	# AIX 5 now supports IA64 processor
3930	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3931      fi
3932      ;;
3933    amigaos*)
3934      # FIXME: we need at least 68020 code to build shared libraries, but
3935      # adding the `-m68020' flag to GCC prevents building anything better,
3936      # like `-m68040'.
3937      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
3938      ;;
3939    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
3940      # PIC is the default for these OSes.
3941      ;;
3942    cygwin* | mingw* | os2*)
3943      # This hack is so that the source file can tell whether it is being
3944      # built for inclusion in a dll (and should export symbols for example).
3945      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'
3946      ;;
3947    darwin* | rhapsody*)
3948      # PIC is the default on this platform
3949      # Common symbols not allowed in MH_DYLIB files
3950      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
3951      ;;
3952    *djgpp*)
3953      # DJGPP does not support shared libraries at all
3954      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
3955      ;;
3956    sysv4*MP*)
3957      if test -d /usr/nec; then
3958	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
3959      fi
3960      ;;
3961    hpux*)
3962      # PIC is the default for IA64 HP-UX, but not for PA HP-UX.
3963      if test "$host_cpu" != ia64; then
3964	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3965      fi
3966      ;;
3967    *)
3968      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
3969      ;;
3970    esac
3971  else
3972    case $host_os in
3973      aix4* | aix5*)
3974	# All AIX code is PIC.
3975	if test "$host_cpu" = ia64; then
3976	  # AIX 5 now supports IA64 processor
3977	  _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
3978	else
3979	  _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
3980	fi
3981	;;
3982      chorus*)
3983	case $cc_basename in
3984	cxch68)
3985	  # Green Hills C++ Compiler
3986	  # _LT_AC_TAGVAR(lt_prog_compiler_static, $1)="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
3987	  ;;
3988	esac
3989	;;
3990      dgux*)
3991	case $cc_basename in
3992	  ec++)
3993	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
3994	    ;;
3995	  ghcx)
3996	    # Green Hills C++ Compiler
3997	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
3998	    ;;
3999	  *)
4000	    ;;
4001	esac
4002	;;
4003      freebsd*)
4004	# FreeBSD uses GNU C++
4005	;;
4006      hpux9* | hpux10* | hpux11*)
4007	case $cc_basename in
4008	  CC)
4009	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4010	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
4011	    if test "$host_cpu" != ia64; then
4012	      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
4013	    fi
4014	    ;;
4015	  aCC)
4016	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4017	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
4018	    if test "$host_cpu" != ia64; then
4019	      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
4020	    fi
4021	    ;;
4022	  *)
4023	    ;;
4024	esac
4025	;;
4026      irix5* | irix6* | nonstopux*)
4027	case $cc_basename in
4028	  CC)
4029	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4030	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
4031	    # CC pic flag -KPIC is the default.
4032	    ;;
4033	  *)
4034	    ;;
4035	esac
4036	;;
4037      linux*)
4038	case $cc_basename in
4039	  KCC)
4040	    # KAI C++ Compiler
4041	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
4042	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
4043	    ;;
4044	  cxx)
4045	    # Compaq C++
4046	    # Make sure the PIC flag is empty.  It appears that all Alpha
4047	    # Linux and Compaq Tru64 Unix objects are PIC.
4048	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
4049	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
4050	    ;;
4051	  *)
4052	    ;;
4053	esac
4054	;;
4055      lynxos*)
4056	;;
4057      m88k*)
4058	;;
4059      mvs*)
4060	case $cc_basename in
4061	  cxx)
4062	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-W c,exportall'
4063	    ;;
4064	  *)
4065	    ;;
4066	esac
4067	;;
4068      netbsd*)
4069	;;
4070      osf3* | osf4* | osf5*)
4071	case $cc_basename in
4072	  KCC)
4073	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='--backend -Wl,'
4074	    ;;
4075	  RCC)
4076	    # Rational C++ 2.4.1
4077	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
4078	    ;;
4079	  cxx)
4080	    # Digital/Compaq C++
4081	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4082	    # Make sure the PIC flag is empty.  It appears that all Alpha
4083	    # Linux and Compaq Tru64 Unix objects are PIC.
4084	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
4085	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
4086	    ;;
4087	  *)
4088	    ;;
4089	esac
4090	;;
4091      psos*)
4092	;;
4093      sco*)
4094	case $cc_basename in
4095	  CC)
4096	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
4097	    ;;
4098	  *)
4099	    ;;
4100	esac
4101	;;
4102      solaris*)
4103	case $cc_basename in
4104	  CC)
4105	    # Sun C++ 4.2, 5.x and Centerline C++
4106	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4107	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4108	    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
4109	    ;;
4110	  gcx)
4111	    # Green Hills C++ Compiler
4112	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
4113	    ;;
4114	  *)
4115	    ;;
4116	esac
4117	;;
4118      sunos4*)
4119	case $cc_basename in
4120	  CC)
4121	    # Sun C++ 4.x
4122	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
4123	    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4124	    ;;
4125	  lcc)
4126	    # Lucid
4127	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
4128	    ;;
4129	  *)
4130	    ;;
4131	esac
4132	;;
4133      tandem*)
4134	case $cc_basename in
4135	  NCC)
4136	    # NonStop-UX NCC 3.20
4137	    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4138	    ;;
4139	  *)
4140	    ;;
4141	esac
4142	;;
4143      unixware*)
4144	;;
4145      vxworks*)
4146	;;
4147      *)
4148	_LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
4149	;;
4150    esac
4151  fi
4152],
4153[
4154  if test "$GCC" = yes; then
4155    _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4156    _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-static'
4157
4158    case $host_os in
4159      aix*)
4160      # All AIX code is PIC.
4161      if test "$host_cpu" = ia64; then
4162	# AIX 5 now supports IA64 processor
4163	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4164      fi
4165      ;;
4166
4167    amigaos*)
4168      # FIXME: we need at least 68020 code to build shared libraries, but
4169      # adding the `-m68020' flag to GCC prevents building anything better,
4170      # like `-m68040'.
4171      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-m68020 -resident32 -malways-restore-a4'
4172      ;;
4173
4174    beos* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
4175      # PIC is the default for these OSes.
4176      ;;
4177
4178    cygwin* | mingw* | pw32* | os2*)
4179      # This hack is so that the source file can tell whether it is being
4180      # built for inclusion in a dll (and should export symbols for example).
4181      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'
4182      ;;
4183
4184    darwin* | rhapsody*)
4185      # PIC is the default on this platform
4186      # Common symbols not allowed in MH_DYLIB files
4187      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fno-common'
4188      ;;
4189
4190    msdosdjgpp*)
4191      # Just because we use GCC doesn't mean we suddenly get shared libraries
4192      # on systems that don't support them.
4193      _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
4194      enable_shared=no
4195      ;;
4196
4197    sysv4*MP*)
4198      if test -d /usr/nec; then
4199	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=-Kconform_pic
4200      fi
4201      ;;
4202
4203    hpux*)
4204      # PIC is the default for IA64 HP-UX, but not for PA HP-UX.
4205      if test "$host_cpu" != ia64; then
4206	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
4207      fi
4208      ;;
4209
4210    *)
4211      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-fPIC'
4212      ;;
4213    esac
4214  else
4215    # PORTME Check for flag to pass linker flags through the system compiler.
4216    case $host_os in
4217    aix*)
4218      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4219      if test "$host_cpu" = ia64; then
4220	# AIX 5 now supports IA64 processor
4221	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4222      else
4223	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-bnso -bI:/lib/syscalls.exp'
4224      fi
4225      ;;
4226
4227    cygwin* | mingw* | pw32* | os2*)
4228      # This hack is so that the source file can tell whether it is being
4229      # built for inclusion in a dll (and should export symbols for example).
4230      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-DDLL_EXPORT'
4231      ;;
4232
4233    hpux9* | hpux10* | hpux11*)
4234      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4235      if test "$host_cpu" != ia64; then
4236	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='+Z'
4237      fi
4238      # Is there a better lt_prog_compiler_static that works with the bundled CC?
4239      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='${wl}-a ${wl}archive'
4240      ;;
4241
4242    irix5* | irix6* | nonstopux*)
4243      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4244      # PIC (with -KPIC) is the default.
4245      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
4246      ;;
4247
4248    newsos6)
4249      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4250      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4251      ;;
4252
4253    osf3* | osf4* | osf5*)
4254      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4255      # All OSF/1 code is PIC.
4256      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-non_shared'
4257      ;;
4258
4259    sco3.2v5*)
4260      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-Kpic'
4261      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-dn'
4262      ;;
4263
4264    solaris*)
4265      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4266      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4267      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4268      ;;
4269
4270    sunos4*)
4271      _LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Qoption ld '
4272      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-PIC'
4273      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4274      ;;
4275
4276    sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
4277      if test "x$host_vendor" = xsni; then
4278	_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-LD'
4279      else
4280	_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)='-Wl,'
4281      fi
4282      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-KPIC'
4283      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4284      ;;
4285
4286    sysv4*MP*)
4287      if test -d /usr/nec ;then
4288	_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-Kconform_pic'
4289	_LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4290      fi
4291      ;;
4292
4293    uts4*)
4294      _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)='-pic'
4295      _LT_AC_TAGVAR(lt_prog_compiler_static, $1)='-Bstatic'
4296      ;;
4297
4298    *)
4299      _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no
4300      ;;
4301    esac
4302  fi
4303])
4304AC_MSG_RESULT([$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)])
4305
4306#
4307# Check to make sure the PIC flag actually works.
4308#
4309if test -n "$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)"; then
4310  AC_LIBTOOL_COMPILER_OPTION([if $compiler PIC flag $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) works],
4311    _LT_AC_TAGVAR(lt_prog_compiler_pic_works, $1),
4312    [$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) -DPIC], [],
4313    [case $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) in
4314     "" | " "*) ;;
4315     *) _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=" $_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)" ;;
4316     esac],
4317    [_LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
4318     _LT_AC_TAGVAR(lt_prog_compiler_can_build_shared, $1)=no])
4319fi
4320case "$host_os" in
4321  # For platforms which do not support PIC, -DPIC is meaningless:
4322  *djgpp*)
4323    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)=
4324    ;;
4325  *)
4326    _LT_AC_TAGVAR(lt_prog_compiler_pic, $1)="$_LT_AC_TAGVAR(lt_prog_compiler_pic, $1) -DPIC"
4327    ;;
4328esac
4329])
4330
4331
4332# AC_LIBTOOL_PROG_LD_SHLIBS([TAGNAME])
4333# ------------------------------------
4334# See if the linker supports building shared libraries.
4335AC_DEFUN([AC_LIBTOOL_PROG_LD_SHLIBS],
4336[AC_MSG_CHECKING([whether the $compiler linker ($LD) supports shared libraries])
4337ifelse([$1],[CXX],[
4338  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
4339  case $host_os in
4340  aix4* | aix5*)
4341    # If we're using GNU nm, then we don't want the "-C" option.
4342    # -C means demangle to AIX nm, but means don't demangle with GNU nm
4343    if $NM -V 2>&1 | egrep '(GNU)' > /dev/null; then
4344      _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
4345    else
4346      _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
4347    fi
4348    ;;
4349  cygwin* | mingw* | pw32*)
4350    _LT_AC_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"
4351  ;;
4352  *)
4353    _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
4354  ;;
4355  esac
4356],[
4357  runpath_var=
4358  _LT_AC_TAGVAR(allow_undefined_flag, $1)=
4359
4360  _LT_AC_TAGVAR(archive_cmds, $1)=
4361  _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=
4362  _LT_AC_TAGVAR(archive_expsym_cmds, $1)=
4363  _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)=
4364  _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1)=
4365  _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=
4366  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
4367  _LT_AC_TAGVAR(thread_safe_flag_spec, $1)=
4368  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
4369  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
4370  _LT_AC_TAGVAR(hardcode_direct, $1)=no
4371  _LT_AC_TAGVAR(hardcode_minus_L, $1)=no
4372  _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=unsupported
4373  _LT_AC_TAGVAR(link_all_deplibs, $1)=unknown
4374  _LT_AC_TAGVAR(always_export_symbols, $1)=no
4375  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
4376  # include_expsyms should be a list of space-separated symbols to be *always*
4377  # included in the symbol list
4378  _LT_AC_TAGVAR(include_expsyms, $1)=
4379  # exclude_expsyms can be an egrep regular expression of symbols to exclude
4380  # it will be wrapped by ` (' and `)$', so one must not match beginning or
4381  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
4382  # as well as any symbol that contains `d'.
4383  _LT_AC_TAGVAR(exclude_expsyms, $1)="_GLOBAL_OFFSET_TABLE_"
4384  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
4385  # platforms (ab)use it in PIC code, but their linkers get confused if
4386  # the symbol is explicitly referenced.  Since portable code cannot
4387  # rely on this symbol name, it's probably fine to never include it in
4388  # preloaded symbol tables.
4389  extract_expsyms_cmds=
4390
4391  case $host_os in
4392  cygwin* | mingw* | pw32*)
4393    # FIXME: the MSVC++ port hasn't been tested in a loooong time
4394    # When not using gcc, we currently assume that we are using
4395    # Microsoft Visual C++.
4396    if test "$GCC" != yes; then
4397      with_gnu_ld=no
4398    fi
4399    ;;
4400  openbsd*)
4401    with_gnu_ld=no
4402    ;;
4403  esac
4404
4405  _LT_AC_TAGVAR(ld_shlibs, $1)=yes
4406  if test "$with_gnu_ld" = yes; then
4407    # If archive_cmds runs LD, not CC, wlarc should be empty
4408    wlarc='${wl}'
4409
4410    # See if GNU ld supports shared libraries.
4411    case $host_os in
4412    aix3* | aix4* | aix5*)
4413      # On AIX/PPC, the GNU linker is very broken
4414      if test "$host_cpu" != ia64; then
4415	_LT_AC_TAGVAR(ld_shlibs, $1)=no
4416	cat <<EOF 1>&2
4417
4418*** Warning: the GNU linker, at least up to release 2.9.1, is reported
4419*** to be unable to reliably create shared libraries on AIX.
4420*** Therefore, libtool is disabling shared libraries support.  If you
4421*** really care for shared libraries, you may want to modify your PATH
4422*** so that a non-GNU linker is found, and then restart.
4423
4424EOF
4425      fi
4426      ;;
4427
4428    amigaos*)
4429      _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
4430      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
4431      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
4432
4433      # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
4434      # that the semantics of dynamic libraries on AmigaOS, at least up
4435      # to version 4, is to share data among multiple programs linked
4436      # with the same dynamic library.  Since this doesn't match the
4437      # behavior of shared libraries on other platforms, we can't use
4438      # them.
4439      _LT_AC_TAGVAR(ld_shlibs, $1)=no
4440      ;;
4441
4442    beos*)
4443      if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
4444	_LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
4445	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
4446	# support --undefined.  This deserves some investigation.  FIXME
4447	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
4448      else
4449	_LT_AC_TAGVAR(ld_shlibs, $1)=no
4450      fi
4451      ;;
4452
4453    cygwin* | mingw* | pw32*)
4454      # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1) is actually meaningless, as there is
4455      # no search path for DLLs.
4456      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
4457      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
4458      _LT_AC_TAGVAR(always_export_symbols, $1)=yes
4459
4460      extract_expsyms_cmds='test -f $output_objdir/impgen.c || \
4461	sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //;s/^# *$//; p; }" -e d < $''0 > $output_objdir/impgen.c~
4462	test -f $output_objdir/impgen.exe || (cd $output_objdir && \
4463	if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \
4464	else $CC -o impgen impgen.c ; fi)~
4465	$output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def'
4466
4467      _LT_AC_TAGVAR(old_archive_from_expsyms_cmds, $1)='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
4468
4469      # cygwin and mingw dlls have different entry points and sets of symbols
4470      # to exclude.
4471      # FIXME: what about values for MSVC?
4472      dll_entry=__cygwin_dll_entry@12
4473      dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~
4474      case $host_os in
4475      mingw*)
4476	# mingw values
4477	dll_entry=_DllMainCRTStartup@12
4478	dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~
4479	;;
4480      esac
4481
4482      # mingw and cygwin differ, and it's simplest to just exclude the union
4483      # of the two symbol sets.
4484      dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12
4485
4486      # recent cygwin and mingw systems supply a stub DllMain which the user
4487      # can override, but on older systems we have to supply one (in ltdll.c)
4488      if test "x$lt_cv_need_dllmain" = "xyes"; then
4489	ltdll_obj='$output_objdir/$soname-ltdll.'"$ac_objext "
4490	ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $''0 > $output_objdir/$soname-ltdll.c~
4491  	test -f $output_objdir/$soname-ltdll.$ac_objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~'
4492      else
4493	ltdll_obj=
4494	ltdll_cmds=
4495      fi
4496
4497      # Extract the symbol export list from an `--export-all' def file,
4498      # then regenerate the def file from the symbol export list, so that
4499      # the compiled dll only exports the symbol export list.
4500      # Be careful not to strip the DATA tag left by newer dlltools.
4501      _LT_AC_TAGVAR(export_symbols_cmds, $1)="$ltdll_cmds"'
4502	$DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~
4503	sed -e "1,/EXPORTS/d" -e "s/ @ [[0-9]]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols'
4504
4505      # If the export-symbols file already is a .def file (1st line
4506      # is EXPORTS), use it as is.
4507      # If DATA tags from a recent dlltool are present, honour them!
4508      _LT_AC_TAGVAR(archive_expsym_cmds, $1)='if test "x`head -1 $export_symbols`" = xEXPORTS; then
4509	  cp $export_symbols $output_objdir/$soname-def;
4510	else
4511	  echo EXPORTS > $output_objdir/$soname-def;
4512	  _lt_hint=1;
4513	  cat $export_symbols | while read symbol; do
4514	   set dummy \$symbol;
4515	   case \[$]# in
4516	     2) echo "   \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
4517	     *) echo "   \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;;
4518	   esac;
4519	   _lt_hint=`expr 1 + \$_lt_hint`;
4520	  done;
4521	fi~
4522	'"$ltdll_cmds"'
4523	$CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
4524	$DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~
4525	$CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
4526	$DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~
4527	$CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags'
4528      ;;
4529
4530    netbsd*)
4531      if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
4532	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
4533	wlarc=
4534      else
4535	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
4536	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
4537      fi
4538      ;;
4539
4540    solaris* | sysv5*)
4541      if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
4542	_LT_AC_TAGVAR(ld_shlibs, $1)=no
4543	cat <<EOF 1>&2
4544
4545*** Warning: The releases 2.8.* of the GNU linker cannot reliably
4546*** create shared libraries on Solaris systems.  Therefore, libtool
4547*** is disabling shared libraries support.  We urge you to upgrade GNU
4548*** binutils to release 2.9.1 or newer.  Another option is to modify
4549*** your PATH or compiler configuration so that the native linker is
4550*** used, and then restart.
4551
4552EOF
4553      elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
4554	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
4555	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
4556      else
4557	_LT_AC_TAGVAR(ld_shlibs, $1)=no
4558      fi
4559      ;;
4560
4561    sunos4*)
4562      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
4563      wlarc=
4564      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4565      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4566      ;;
4567
4568    *)
4569      if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
4570	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
4571	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
4572      else
4573	_LT_AC_TAGVAR(ld_shlibs, $1)=no
4574      fi
4575      ;;
4576    esac
4577
4578    if test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = yes; then
4579      runpath_var=LD_RUN_PATH
4580      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}--rpath ${wl}$libdir'
4581      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}--export-dynamic'
4582      case $host_os in
4583      cygwin* | mingw* | pw32*)
4584	# dlltool doesn't understand --whole-archive et. al.
4585	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
4586	;;
4587      *)
4588	# ancient GNU ld didn't support --whole-archive et. al.
4589	if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
4590  	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
4591	else
4592  	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)=
4593	fi
4594	;;
4595      esac
4596    fi
4597  else
4598    # PORTME fill in a description of your system's linker (not GNU ld)
4599    case $host_os in
4600    aix3*)
4601      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
4602      _LT_AC_TAGVAR(always_export_symbols, $1)=yes
4603      _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
4604      # Note: this linker hardcodes the directories in LIBPATH if there
4605      # are no directories specified by -L.
4606      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
4607      if test "$GCC" = yes && test -z "$link_static_flag"; then
4608	# Neither direct hardcoding nor static linking is supported with a
4609	# broken collect2.
4610	_LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
4611      fi
4612      ;;
4613
4614    aix4* | aix5*)
4615      if test "$host_cpu" = ia64; then
4616	# On IA64, the linker does run time linking by default, so we don't
4617	# have to do anything special.
4618	aix_use_runtimelinking=no
4619	exp_sym_flag='-Bexport'
4620	no_entry_flag=""
4621      else
4622	# If we're using GNU nm, then we don't want the "-C" option.
4623	# -C means demangle to AIX nm, but means don't demangle with GNU nm
4624	if $NM -V 2>&1 | egrep '(GNU)' > /dev/null; then
4625	  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
4626	else
4627	  _LT_AC_TAGVAR(export_symbols_cmds, $1)='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\[$]2 == "T") || (\[$]2 == "D") || (\[$]2 == "B")) && ([substr](\[$]3,1,1) != ".")) { print \[$]3 } }'\'' | sort -u > $export_symbols'
4628	fi
4629
4630	# KDE requires run time linking.  Make it the default.
4631	aix_use_runtimelinking=yes
4632	exp_sym_flag='-bexport'
4633	no_entry_flag='-bnoentry'
4634      fi
4635
4636      # When large executables or shared objects are built, AIX ld can
4637      # have problems creating the table of contents.  If linking a library
4638      # or program results in "error TOC overflow" add -mminimal-toc to
4639      # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
4640      # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
4641
4642      _LT_AC_TAGVAR(archive_cmds, $1)=''
4643      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4644      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=':'
4645      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
4646
4647      if test "$GCC" = yes; then
4648	case $host_os in aix4.[012]|aix4.[012].*)
4649	# We only want to do this on AIX 4.2 and lower, the check
4650	# below for broken collect2 doesn't work under 4.3+
4651	  collect2name=`${CC} -print-prog-name=collect2`
4652	  if test -f "$collect2name" && \
4653  	   strings "$collect2name" | grep resolve_lib_name >/dev/null
4654	  then
4655  	  # We have reworked collect2
4656  	  _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4657	  else
4658  	  # We have old collect2
4659  	  _LT_AC_TAGVAR(hardcode_direct, $1)=unsupported
4660  	  # It fails to find uninstalled libraries when the uninstalled
4661  	  # path is not listed in the libpath.  Setting hardcode_minus_L
4662  	  # to unsupported forces relinking
4663  	  _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
4664  	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
4665  	  _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=
4666	  fi
4667	esac
4668	shared_flag='-shared'
4669      else
4670	# not using gcc
4671	if test "$host_cpu" = ia64; then
4672  	# VisualAge C++, Version 5.5 for AIX 5L for IA-64, Beta 3 Release
4673  	# chokes on -Wl,-G. The following line is correct:
4674	  shared_flag='-G'
4675	else
4676  	if test "$aix_use_runtimelinking" = yes; then
4677	    shared_flag='-qmkshrobj ${wl}-G'
4678	  else
4679	    shared_flag='-qmkshrobj'
4680  	fi
4681	fi
4682      fi
4683
4684      # Let the compiler handle the export list.
4685      _LT_AC_TAGVAR(always_export_symbols, $1)=no
4686      if test "$aix_use_runtimelinking" = yes; then
4687	# Warning - without using the other runtime loading flags (-brtl),
4688	# -berok will link without error, but may produce a broken library.
4689	_LT_AC_TAGVAR(allow_undefined_flag, $1)='-berok'
4690       # Determine the default libpath from the value encoded in an empty executable.
4691	_LT_AC_SYS_LIBPATH_AIX
4692	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
4693	_LT_AC_TAGVAR(archive_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '" $shared_flag"
4694	_LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$exp_sym_flag:\$export_symbols $shared_flag"
4695       else
4696	if test "$host_cpu" = ia64; then
4697	  _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-R $libdir:/usr/lib:/lib'
4698	  _LT_AC_TAGVAR(allow_undefined_flag, $1)="-z nodefs"
4699	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
4700	else
4701	 # Determine the default libpath from the value encoded in an empty executable.
4702	 _LT_AC_SYS_LIBPATH_AIX
4703	 _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-blibpath:$libdir:'"$aix_libpath"
4704	  # Warning - without using the other run time loading flags,
4705	  # -berok will link without error, but may produce a broken library.
4706	  _LT_AC_TAGVAR(no_undefined_flag, $1)=' ${wl}-bernotok'
4707	  _LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-berok'
4708	  # -bexpall does not export symbols beginning with underscore (_)
4709	  _LT_AC_TAGVAR(always_export_symbols, $1)=yes
4710	  # Exported symbols can be pulled into shared objects from archives
4711	  _LT_AC_TAGVAR(whole_archive_flag_spec, $1)=' '
4712	  _LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
4713	  # This is similar to how AIX traditionally builds it's shared libraries.
4714	  _LT_AC_TAGVAR(archive_expsym_cmds, $1)="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname'
4715	fi
4716      fi
4717      ;;
4718
4719    amigaos*)
4720      _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
4721      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
4722      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
4723      # see comment about different semantics on the GNU ld section
4724      _LT_AC_TAGVAR(ld_shlibs, $1)=no
4725      ;;
4726
4727    bsdi4*)
4728      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)=-rdynamic
4729      ;;
4730
4731    cygwin* | mingw* | pw32*)
4732      # When not using gcc, we currently assume that we are using
4733      # Microsoft Visual C++.
4734      # hardcode_libdir_flag_spec is actually meaningless, as there is
4735      # no search path for DLLs.
4736      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=' '
4737      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
4738      # Tell ltmain to make .lib files, not .a files.
4739      libext=lib
4740      # FIXME: Setting linknames here is a bad hack.
4741      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
4742      # The linker will automatically build a .lib file if we build a DLL.
4743      _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)='true'
4744      # FIXME: Should let the user specify the lib program.
4745      _LT_AC_TAGVAR(old_archive_cmds, $1)='lib /OUT:$oldlib$oldobjs$old_deplibs'
4746      fix_srcfile_path='`cygpath -w "$srcfile"`'
4747      ;;
4748
4749    darwin* | rhapsody*)
4750      case "$host_os" in
4751      rhapsody* | darwin1.[[012]])
4752	_LT_AC_TAGVAR(allow_undefined_flag, $1)='-undefined suppress'
4753	;;
4754      *) # Darwin 1.3 on
4755	_LT_AC_TAGVAR(allow_undefined_flag, $1)='-flat_namespace -undefined suppress'
4756	;;
4757      esac
4758
4759      # FIXME: Relying on posixy $() will cause problems for
4760      #        cross-compilation, but unfortunately the echo tests do not
4761      #        yet detect zsh echo's removal of \ escapes.  Also zsh mangles
4762      #	       `"' quotes if we put them in here... so don't!
4763      _LT_AC_TAGVAR(archive_cmds, $1)='$CC $(test .$module = .yes && echo -bundle || echo -dynamiclib) $allow_undefined_flag -o $lib $libobjs $deplibs$linker_flags -install_name $rpath/$soname $verstring'
4764      # We need to add '_' to the symbols in $export_symbols first
4765      #_LT_AC_TAGVAR(archive_expsym_cmds, $1)="$_LT_AC_TAGVAR(archive_cmds, $1)"' && strip -s $export_symbols'
4766      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4767      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4768      _LT_AC_TAGVAR(whole_archive_flag_spec, $1)='-all_load $convenience'
4769      ;;
4770
4771    dgux*)
4772      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
4773      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
4774      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4775      ;;
4776
4777    freebsd1*)
4778      _LT_AC_TAGVAR(ld_shlibs, $1)=no
4779      ;;
4780
4781    # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
4782    # support.  Future versions do this automatically, but an explicit c++rt0.o
4783    # does not break anything, and helps significantly (at the cost of a little
4784    # extra space).
4785    freebsd2.2*)
4786      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
4787      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
4788      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4789      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4790      ;;
4791
4792    # Unfortunately, older versions of FreeBSD 2 do not have this feature.
4793    freebsd2*)
4794      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
4795      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4796      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
4797      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4798      ;;
4799
4800    # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
4801    freebsd*)
4802      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
4803      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
4804      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4805      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4806      ;;
4807
4808    hpux9* | hpux10* | hpux11*)
4809      if test "$GCC" = yes; then
4810	case $host_os in
4811	  hpux9*)
4812	    _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
4813	    ;;
4814	  *)
4815	    if test "$host_cpu" = ia64; then
4816	      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}+h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
4817	    else
4818	      _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags'
4819	    fi
4820	    ;;
4821	esac
4822      else
4823	case $host_os in
4824	  hpux9*)
4825	    _LT_AC_TAGVAR(archive_cmds, $1)='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'
4826	    ;;
4827	  *)
4828	    if test "$host_cpu" = ia64; then
4829	      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags'
4830	    else
4831	      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags'
4832	    fi
4833	    ;;
4834	esac
4835      fi
4836      if test "$host_cpu" = ia64; then
4837	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
4838	_LT_AC_TAGVAR(hardcode_direct, $1)=no
4839	_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4840      else
4841	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}+b ${wl}$libdir'
4842	_LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
4843	_LT_AC_TAGVAR(hardcode_direct, $1)=yes
4844      fi
4845      # hardcode_minus_L: Not really in the search PATH,
4846      # but as the default location of the library.
4847      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
4848      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
4849      ;;
4850
4851    irix5* | irix6* | nonstopux*)
4852      if test "$GCC" = yes; then
4853	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
4854      else
4855	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
4856      fi
4857      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
4858      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
4859      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
4860      ;;
4861
4862    netbsd*)
4863      if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
4864	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
4865      else
4866	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
4867      fi
4868      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
4869      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4870      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4871      ;;
4872
4873    newsos6)
4874      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
4875      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4876      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
4877      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
4878      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4879      ;;
4880
4881    openbsd*)
4882      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4883      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4884
4885      if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
4886	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linker_flags'
4887	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
4888	_LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-E'
4889      else
4890       case $host_os in
4891	 openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*)
4892	   _LT_AC_TAGVAR(archive_cmds, $1)='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
4893	   _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
4894	   ;;
4895	 *)
4896	   _LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linker_flags'
4897	   _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath,$libdir'
4898	   ;;
4899       esac
4900      fi
4901      ;;
4902
4903    os2*)
4904      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
4905      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
4906      _LT_AC_TAGVAR(allow_undefined_flag, $1)=unsupported
4907      _LT_AC_TAGVAR(archive_cmds, $1)='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
4908      _LT_AC_TAGVAR(old_archive_From_new_cmds, $1)='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
4909      ;;
4910
4911    osf3*)
4912      if test "$GCC" = yes; then
4913	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
4914	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
4915      else
4916	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
4917	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
4918      fi
4919      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
4920      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
4921      ;;
4922
4923    osf4* | osf5*)	# as osf3* with the addition of -msym flag
4924      if test "$GCC" = yes; then
4925	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' ${wl}-expect_unresolved ${wl}\*'
4926	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
4927	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='${wl}-rpath ${wl}$libdir'
4928      else
4929	_LT_AC_TAGVAR(allow_undefined_flag, $1)=' -expect_unresolved \*'
4930	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
4931	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
4932	$LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib~$rm $lib.exp'
4933
4934	# Both c and cxx compiler support -rpath directly
4935	_LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-rpath $libdir'
4936      fi
4937      _LT_AC_TAGVAR(hardcode_libdir_separator, $1)=:
4938      ;;
4939
4940    sco3.2v5*)
4941      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
4942      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4943      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='${wl}-Bexport'
4944      runpath_var=LD_RUN_PATH
4945      hardcode_runpath_var=yes
4946      ;;
4947
4948    solaris*)
4949      _LT_AC_TAGVAR(no_undefined_flag, $1)=' -z text'
4950      if test "$GCC" = yes; then
4951	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
4952	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
4953	  $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
4954      else
4955	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
4956	_LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
4957  	$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
4958      fi
4959      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-R$libdir'
4960      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4961      case $host_os in
4962      solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
4963      *) # Supported since Solaris 2.6 (maybe 2.5.1?)
4964	_LT_AC_TAGVAR(whole_archive_flag_spec, $1)='-z allextract$convenience -z defaultextract' ;;
4965      esac
4966      _LT_AC_TAGVAR(link_all_deplibs, $1)=yes
4967      ;;
4968
4969    sunos4*)
4970      if test "x$host_vendor" = xsequent; then
4971	# Use $CC to link under sequent, because it throws in some extra .o
4972	# files that make .init and .fini sections work.
4973	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
4974      else
4975	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
4976      fi
4977      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
4978      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
4979      _LT_AC_TAGVAR(hardcode_minus_L, $1)=yes
4980      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4981      ;;
4982
4983    sysv4)
4984      if test "x$host_vendor" = xsni; then
4985	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -Bsymbolic -h $soname -o $lib $libobjs $deplibs $linker_flags'
4986	_LT_AC_TAGVAR(hardcode_direct, $1)=yes # is this really true???
4987      else
4988	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
4989	_LT_AC_TAGVAR(hardcode_direct, $1)=no #Motorola manual says yes, but my tests say they lie
4990      fi
4991      runpath_var='LD_RUN_PATH'
4992      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4993      ;;
4994
4995    sysv4.3*)
4996      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
4997      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
4998      _LT_AC_TAGVAR(export_dynamic_flag_spec, $1)='-Bexport'
4999      ;;
5000
5001    sysv4*MP*)
5002      if test -d /usr/nec; then
5003	_LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
5004	_LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
5005	runpath_var=LD_RUN_PATH
5006	hardcode_runpath_var=yes
5007	_LT_AC_TAGVAR(ld_shlibs, $1)=yes
5008      fi
5009      ;;
5010
5011    sysv4.2uw2*)
5012      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -o $lib $libobjs $deplibs $linker_flags'
5013      _LT_AC_TAGVAR(hardcode_direct, $1)=yes
5014      _LT_AC_TAGVAR(hardcode_minus_L, $1)=no
5015      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
5016      hardcode_runpath_var=yes
5017      runpath_var=LD_RUN_PATH
5018      ;;
5019
5020   sysv5OpenUNIX8* | sysv5UnixWare7* |  sysv5uw[[78]]* | unixware7*)
5021      _LT_AC_TAGVAR(no_undefined_flag, $1)='${wl}-z ${wl}text'
5022      if test "$GCC" = yes; then
5023	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
5024      else
5025	_LT_AC_TAGVAR(archive_cmds, $1)='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
5026      fi
5027      runpath_var='LD_RUN_PATH'
5028      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
5029      ;;
5030
5031    sysv5*)
5032      _LT_AC_TAGVAR(no_undefined_flag, $1)=' -z text'
5033      # $CC -shared without GNU ld will not create a library from C++
5034      # object files and a static libstdc++, better avoid it by now
5035      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
5036      _LT_AC_TAGVAR(archive_expsym_cmds, $1)='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
5037  		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
5038      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)=
5039      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
5040      runpath_var='LD_RUN_PATH'
5041      ;;
5042
5043    uts4*)
5044      _LT_AC_TAGVAR(archive_cmds, $1)='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
5045      _LT_AC_TAGVAR(hardcode_libdir_flag_spec, $1)='-L$libdir'
5046      _LT_AC_TAGVAR(hardcode_shlibpath_var, $1)=no
5047      ;;
5048
5049    *)
5050      _LT_AC_TAGVAR(ld_shlibs, $1)=no
5051      ;;
5052    esac
5053  fi
5054])
5055AC_MSG_RESULT([$_LT_AC_TAGVAR(ld_shlibs, $1)])
5056test "$_LT_AC_TAGVAR(ld_shlibs, $1)" = no && can_build_shared=no
5057
5058variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
5059if test "$GCC" = yes; then
5060  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
5061fi
5062
5063#
5064# Do we need to explicitly link libc?
5065#
5066_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
5067if test "$enable_shared" = yes && test "$GCC" = yes; then
5068  case $_LT_AC_TAGVAR(archive_cmds, $1) in
5069  *'~'*)
5070    # FIXME: we may have to deal with multi-command sequences.
5071    ;;
5072  '$CC '*)
5073    # Test whether the compiler implicitly links with -lc since on some
5074    # systems, -lgcc has to come before -lc. If gcc already passes -lc
5075    # to ld, don't add -lc before -lgcc.
5076    AC_MSG_CHECKING([whether -lc should be explicitly linked in])
5077    $rm conftest*
5078    echo 'static int dummy;' > conftest.$ac_ext
5079
5080    if AC_TRY_EVAL(ac_compile) 2>conftest.err; then
5081      soname=conftest
5082      lib=conftest
5083      libobjs=conftest.$ac_objext
5084      deplibs=
5085      wl=$_LT_AC_TAGVAR(lt_prog_compiler_wl, $1)
5086      compiler_flags=-v
5087      linker_flags=-v
5088      verstring=
5089      output_objdir=.
5090      libname=conftest
5091      lt_save_allow_undefined_flag=$_LT_AC_TAGVAR(allow_undefined_flag, $1)
5092      _LT_AC_TAGVAR(allow_undefined_flag, $1)=
5093      if AC_TRY_EVAL(_LT_AC_TAGVAR(archive_cmds, $1) 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1)
5094      then
5095	_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=no
5096      else
5097	_LT_AC_TAGVAR(archive_cmds_need_lc, $1)=yes
5098      fi
5099      _LT_AC_TAGVAR(allow_undefined_flag, $1)=$lt_save_allow_undefined_flag
5100    else
5101      cat conftest.err 1>&5
5102    fi
5103    $rm conftest*
5104    AC_MSG_RESULT([$_LT_AC_TAGVAR(archive_cmds_need_lc, $1)])
5105    ;;
5106  esac
5107fi
5108])# AC_LIBTOOL_PROG_LD_SHLIBS
5109
5110
5111# _LT_AC_FILE_LTDLL_C
5112# -------------------
5113# Be careful that the start marker always follows a newline.
5114AC_DEFUN([_LT_AC_FILE_LTDLL_C], [
5115# /* ltdll.c starts here */
5116# #define WIN32_LEAN_AND_MEAN
5117# #include <windows.h>
5118# #undef WIN32_LEAN_AND_MEAN
5119# #include <stdio.h>
5120#
5121# #ifndef __CYGWIN__
5122# #  ifdef __CYGWIN32__
5123# #    define __CYGWIN__ __CYGWIN32__
5124# #  endif
5125# #endif
5126#
5127# #ifdef __cplusplus
5128# extern "C" {
5129# #endif
5130# BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved);
5131# #ifdef __cplusplus
5132# }
5133# #endif
5134#
5135# #ifdef __CYGWIN__
5136# #include <cygwin/cygwin_dll.h>
5137# DECLARE_CYGWIN_DLL( DllMain );
5138# #endif
5139# HINSTANCE __hDllInstance_base;
5140#
5141# BOOL APIENTRY
5142# DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved)
5143# {
5144#   __hDllInstance_base = hInst;
5145#   return TRUE;
5146# }
5147# /* ltdll.c ends here */
5148])# _LT_AC_FILE_LTDLL_C
5149
5150
5151# _LT_AC_FILE_IMPGEN_C
5152# --------------------
5153# Be careful that the start marker always follows a newline.
5154AC_DEFUN([_LT_AC_FILE_IMPGEN_C], [
5155# /* impgen.c starts here */
5156# /*   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
5157#
5158#  This file is part of GNU libtool.
5159#
5160#  This program is free software; you can redistribute it and/or modify
5161#  it under the terms of the GNU General Public License as published by
5162#  the Free Software Foundation; either version 2 of the License, or
5163#  (at your option) any later version.
5164#
5165#  This program is distributed in the hope that it will be useful,
5166#  but WITHOUT ANY WARRANTY; without even the implied warranty of
5167#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
5168#  GNU General Public License for more details.
5169#
5170#  You should have received a copy of the GNU General Public License
5171#  along with this program; if not, write to the Free Software
5172#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
5173#  */
5174#
5175# #include <stdio.h>		/* for printf() */
5176# #include <unistd.h>		/* for open(), lseek(), read() */
5177# #include <fcntl.h>		/* for O_RDONLY, O_BINARY */
5178# #include <string.h>		/* for strdup() */
5179#
5180# /* O_BINARY isn't required (or even defined sometimes) under Unix */
5181# #ifndef O_BINARY
5182# #define O_BINARY 0
5183# #endif
5184#
5185# static unsigned int
5186# pe_get16 (fd, offset)
5187#      int fd;
5188#      int offset;
5189# {
5190#   unsigned char b[2];
5191#   lseek (fd, offset, SEEK_SET);
5192#   read (fd, b, 2);
5193#   return b[0] + (b[1]<<8);
5194# }
5195#
5196# static unsigned int
5197# pe_get32 (fd, offset)
5198#     int fd;
5199#     int offset;
5200# {
5201#   unsigned char b[4];
5202#   lseek (fd, offset, SEEK_SET);
5203#   read (fd, b, 4);
5204#   return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);
5205# }
5206#
5207# static unsigned int
5208# pe_as32 (ptr)
5209#      void *ptr;
5210# {
5211#   unsigned char *b = ptr;
5212#   return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);
5213# }
5214#
5215# int
5216# main (argc, argv)
5217#     int argc;
5218#     char *argv[];
5219# {
5220#     int dll;
5221#     unsigned long pe_header_offset, opthdr_ofs, num_entries, i;
5222#     unsigned long export_rva, export_size, nsections, secptr, expptr;
5223#     unsigned long name_rvas, nexp;
5224#     unsigned char *expdata, *erva;
5225#     char *filename, *dll_name;
5226#
5227#     filename = argv[1];
5228#
5229#     dll = open(filename, O_RDONLY|O_BINARY);
5230#     if (dll < 1)
5231# 	return 1;
5232#
5233#     dll_name = filename;
5234#
5235#     for (i=0; filename[i]; i++)
5236# 	if (filename[i] == '/' || filename[i] == '\\'  || filename[i] == ':')
5237# 	    dll_name = filename + i +1;
5238#
5239#     pe_header_offset = pe_get32 (dll, 0x3c);
5240#     opthdr_ofs = pe_header_offset + 4 + 20;
5241#     num_entries = pe_get32 (dll, opthdr_ofs + 92);
5242#
5243#     if (num_entries < 1) /* no exports */
5244# 	return 1;
5245#
5246#     export_rva = pe_get32 (dll, opthdr_ofs + 96);
5247#     export_size = pe_get32 (dll, opthdr_ofs + 100);
5248#     nsections = pe_get16 (dll, pe_header_offset + 4 +2);
5249#     secptr = (pe_header_offset + 4 + 20 +
5250# 	      pe_get16 (dll, pe_header_offset + 4 + 16));
5251#
5252#     expptr = 0;
5253#     for (i = 0; i < nsections; i++)
5254#     {
5255# 	char sname[8];
5256# 	unsigned long secptr1 = secptr + 40 * i;
5257# 	unsigned long vaddr = pe_get32 (dll, secptr1 + 12);
5258# 	unsigned long vsize = pe_get32 (dll, secptr1 + 16);
5259# 	unsigned long fptr = pe_get32 (dll, secptr1 + 20);
5260# 	lseek(dll, secptr1, SEEK_SET);
5261# 	read(dll, sname, 8);
5262# 	if (vaddr <= export_rva && vaddr+vsize > export_rva)
5263# 	{
5264# 	    expptr = fptr + (export_rva - vaddr);
5265# 	    if (export_rva + export_size > vaddr + vsize)
5266# 		export_size = vsize - (export_rva - vaddr);
5267# 	    break;
5268# 	}
5269#     }
5270#
5271#     expdata = (unsigned char*)malloc(export_size);
5272#     lseek (dll, expptr, SEEK_SET);
5273#     read (dll, expdata, export_size);
5274#     erva = expdata - export_rva;
5275#
5276#     nexp = pe_as32 (expdata+24);
5277#     name_rvas = pe_as32 (expdata+32);
5278#
5279#     printf ("EXPORTS\n");
5280#     for (i = 0; i<nexp; i++)
5281#     {
5282# 	unsigned long name_rva = pe_as32 (erva+name_rvas+i*4);
5283# 	printf ("\t%s @ %ld ;\n", erva+name_rva, 1+ i);
5284#     }
5285#
5286#     return 0;
5287# }
5288# /* impgen.c ends here */
5289])# _LT_AC_FILE_IMPGEN_C
5290
5291# _LT_AC_TAGVAR(VARNAME, [TAGNAME])
5292# ---------------------------------
5293AC_DEFUN([_LT_AC_TAGVAR], [ifelse([$2], [], [$1], [$1_$2])])
5294
5295
5296# old names
5297AC_DEFUN([AM_PROG_LIBTOOL],   [AC_PROG_LIBTOOL])
5298AC_DEFUN([AM_ENABLE_SHARED],  [AC_ENABLE_SHARED($@)])
5299AC_DEFUN([AM_ENABLE_STATIC],  [AC_ENABLE_STATIC($@)])
5300AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
5301AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
5302AC_DEFUN([AM_PROG_LD],        [AC_PROG_LD])
5303AC_DEFUN([AM_PROG_NM],        [AC_PROG_NM])
5304
5305# This is just to silence aclocal about the macro not being used
5306ifelse([AC_DISABLE_FAST_INSTALL])
5307
5308AC_DEFUN([LT_AC_PROG_GCJ],
5309[AC_CHECK_TOOL(GCJ, gcj, no)
5310  test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
5311  AC_SUBST(GCJFLAGS)
5312])
5313
5314AC_DEFUN([LT_AC_PROG_RC],
5315[AC_CHECK_TOOL(RC, windres, no)
5316])
5317
5318############################################################
5319# NOTE: This macro has been submitted for inclusion into   #
5320#  GNU Autoconf as AC_PROG_SED.  When it is available in   #
5321#  a released version of Autoconf we should remove this    #
5322#  macro and use it instead.                               #
5323############################################################
5324# LT_AC_PROG_SED
5325# --------------
5326# Check for a fully-functional sed program, that truncates
5327# as few characters as possible.  Prefer GNU sed if found.
5328AC_DEFUN([LT_AC_PROG_SED],
5329[AC_MSG_CHECKING([for a sed that does not truncate output])
5330AC_CACHE_VAL(lt_cv_path_SED,
5331[# Loop through the user's path and test for sed and gsed.
5332# Then use that list of sed's as ones to test for truncation.
5333as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
5334for as_dir in $PATH
5335do
5336  IFS=$as_save_IFS
5337  test -z "$as_dir" && as_dir=.
5338  for ac_prog in sed gsed; do
5339    for ac_exec_ext in '' $ac_executable_extensions; do
5340      if $as_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then
5341        _sed_list="$_sed_list $as_dir/$ac_prog$ac_exec_ext"
5342      fi
5343    done
5344  done
5345done
5346
5347  # Create a temporary directory, and hook for its removal unless debugging.
5348$debug ||
5349{
5350  trap 'exit_status=$?; rm -rf $tmp && exit $exit_status' 0
5351  trap '{ (exit 1); exit 1; }' 1 2 13 15
5352}
5353
5354# Create a (secure) tmp directory for tmp files.
5355: ${TMPDIR=/tmp}
5356{
5357  tmp=`(umask 077 && mktemp -d -q "$TMPDIR/sedXXXXXX") 2>/dev/null` &&
5358  test -n "$tmp" && test -d "$tmp"
5359}  ||
5360{
5361  tmp=$TMPDIR/sed$$-$RANDOM
5362  (umask 077 && mkdir $tmp)
5363} ||
5364{
5365   echo "$me: cannot create a temporary directory in $TMPDIR" >&2
5366   { (exit 1); exit 1; }
5367}
5368  _max=0
5369  _count=0
5370  # Add /usr/xpg4/bin/sed as it is typically found on Solaris
5371  # along with /bin/sed that truncates output.
5372  for _sed in $_sed_list /usr/xpg4/bin/sed; do
5373    test ! -f ${_sed} && break
5374    cat /dev/null > "$tmp/sed.in"
5375    _count=0
5376    echo $ECHO_N "0123456789$ECHO_C" >"$tmp/sed.in"
5377    # Check for GNU sed and select it if it is found.
5378    if "${_sed}" --version 2>&1 < /dev/null | egrep '(GNU)' > /dev/null; then
5379      lt_cv_path_SED=${_sed}
5380      break;
5381    fi
5382    while true; do
5383      cat "$tmp/sed.in" "$tmp/sed.in" >"$tmp/sed.tmp"
5384      mv "$tmp/sed.tmp" "$tmp/sed.in"
5385      cp "$tmp/sed.in" "$tmp/sed.nl"
5386      echo >>"$tmp/sed.nl"
5387      ${_sed} -e 's/a$//' < "$tmp/sed.nl" >"$tmp/sed.out" || break
5388      cmp -s "$tmp/sed.out" "$tmp/sed.nl" || break
5389      # 10000 chars as input seems more than enough
5390      test $_count -gt 10 && break
5391      _count=`expr $_count + 1`
5392      if test $_count -gt $_max; then
5393        _max=$_count
5394        lt_cv_path_SED=$_sed
5395      fi
5396    done
5397  done
5398  rm -rf "$tmp"
5399])
5400AC_MSG_RESULT([$SED])
5401])
5402