1## libtool.m4 - Configure libtool for the host system. -*-Shell-script-*-
2## Copyright 1996, 1997, 1998, 1999, 2000, 2001
3## Free Software Foundation, Inc.
4## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
5##
6## This program is free software; you can redistribute it and/or modify
7## it under the terms of the GNU General Public License as published by
8## the Free Software Foundation; either version 2 of the License, or
9## (at your option) any later version.
10##
11## This program is distributed in the hope that it will be useful, but
12## WITHOUT ANY WARRANTY; without even the implied warranty of
13## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14## General Public License for more details.
15##
16## You should have received a copy of the GNU General Public License
17## along with this program; if not, write to the Free Software
18## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19##
20## As a special exception to the GNU General Public License, if you
21## distribute this file as part of a program that contains a
22## configuration script generated by Autoconf, you may include it under
23## the same distribution terms that you use for the rest of that program.
24
25# serial 46 AC_PROG_LIBTOOL
26AC_DEFUN([AC_PROG_LIBTOOL],
27[AC_REQUIRE([_AC_PROG_LIBTOOL])dnl
28dnl If AC_PROG_CXX has already been expanded, run AC_LIBTOOL_CXX
29dnl immediately, otherwise, hook it in at the end of AC_PROG_CXX.
30  AC_PROVIDE_IFELSE([AC_PROG_CXX],
31    [AC_LIBTOOL_CXX],
32    [define([AC_PROG_CXX], defn([AC_PROG_CXX])[AC_LIBTOOL_CXX
33])])
34
35dnl Quote A][M_PROG_GCJ so that aclocal doesn't bring it in needlessly.
36dnl If either AC_PROG_GCJ or A][M_PROG_GCJ have already been expanded, run
37dnl AC_LIBTOOL_GCJ immediately, otherwise, hook it in at the end of both.
38  AC_PROVIDE_IFELSE([AC_PROG_GCJ],
39    [AC_LIBTOOL_GCJ],
40    [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],
41        [AC_LIBTOOL_GCJ],
42	[AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],
43	  [AC_LIBTOOL_GCJ],
44	[ifdef([AC_PROG_GCJ],
45	       [define([AC_PROG_GCJ], defn([AC_PROG_GCJ])[AC_LIBTOOL_GCJ
46])])
47	 ifdef([A][M_PROG_GCJ],
48	       [define([A][M_PROG_GCJ], defn([A][M_PROG_GCJ])[AC_LIBTOOL_GCJ
49])])
50	 ifdef([LT_AC_PROG_GCJ],
51	       [define([LT_AC_PROG_GCJ], defn([LT_AC_PROG_GCJ])[AC_LIBTOOL_GCJ
52])])])])])])
53
54AC_DEFUN([_AC_PROG_LIBTOOL],
55[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
56AC_BEFORE([$0],[AC_LIBTOOL_CXX])dnl
57AC_BEFORE([$0],[AC_LIBTOOL_GCJ])dnl
58
59# Save cache, so that ltconfig can load it
60AC_CACHE_SAVE
61
62# Actually configure libtool.  ac_aux_dir is where install-sh is found.
63AR="$AR" LTCC="$CC" CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \
64MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
65LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
66AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
67objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
68deplibs_check_method="$deplibs_check_method" file_magic_cmd="$file_magic_cmd" \
69${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \
70$libtool_flags --no-verify --build="$build" $ac_aux_dir/ltmain.sh $host \
71|| AC_MSG_ERROR([libtool configure failed])
72
73# Reload cache, that may have been modified by ltconfig
74AC_CACHE_LOAD
75
76# This can be used to rebuild libtool when needed
77LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh $ac_aux_dir/ltcf-c.sh"
78
79# Always use our own libtool.
80LIBTOOL='$(SHELL) $(top_builddir)/libtool'
81AC_SUBST(LIBTOOL)dnl
82
83# Redirect the config.log output again, so that the ltconfig log is not
84# clobbered by the next message.
85exec 5>>./config.log
86])
87
88AC_DEFUN([AC_LIBTOOL_SETUP],
89[AC_PREREQ(2.13)dnl
90AC_REQUIRE([AC_ENABLE_SHARED])dnl
91AC_REQUIRE([AC_ENABLE_STATIC])dnl
92AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
93AC_REQUIRE([AC_CANONICAL_HOST])dnl
94AC_REQUIRE([AC_CANONICAL_BUILD])dnl
95AC_REQUIRE([AC_PROG_CC])dnl
96AC_REQUIRE([AC_PROG_LD])dnl
97AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
98AC_REQUIRE([AC_PROG_NM])dnl
99AC_REQUIRE([AC_PROG_LN_S])dnl
100AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
101# Autoconf 2.13's AC_OBJEXT and AC_EXEEXT macros only works for C compilers!
102AC_REQUIRE([AC_OBJEXT])dnl
103AC_REQUIRE([AC_EXEEXT])dnl
104dnl
105
106# Only perform the check for file, if the check method requires it
107case $deplibs_check_method in
108file_magic*)
109  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
110    AC_PATH_MAGIC
111  fi
112  ;;
113esac
114
115AC_CHECK_TOOL(RANLIB, ranlib, :)
116AC_CHECK_TOOL(STRIP, strip, :)
117
118# Check for any special flags to pass to ltconfig.
119libtool_flags="--cache-file=$cache_file"
120test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared"
121test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static"
122test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install"
123test "$GCC" = yes && libtool_flags="$libtool_flags --with-gcc"
124test "$lt_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld"
125ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN],
126[libtool_flags="$libtool_flags --enable-dlopen"])
127ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
128[libtool_flags="$libtool_flags --enable-win32-dll"])
129AC_ARG_ENABLE(libtool-lock,
130  [  --disable-libtool-lock  avoid locking (might break parallel builds)])
131test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
132test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
133
134AC_ARG_WITH(pic,
135  [  --with-pic              try to use only PIC/non-PIC objects [default=use both]],
136     pic_mode="$withval", pic_mode=default)
137test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic"
138test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
139
140# Some flags need to be propagated to the compiler or linker for good
141# libtool support.
142case $host in
143*-*-irix6*)
144  # Find out which ABI we are using.
145  echo '[#]line __oline__ "configure"' > conftest.$ac_ext
146  if AC_TRY_EVAL(ac_compile); then
147    case `/usr/bin/file conftest.$ac_objext` in
148    *32-bit*)
149      LD="${LD-ld} -32"
150      ;;
151    *N32*)
152      LD="${LD-ld} -n32"
153      ;;
154    *64-bit*)
155      LD="${LD-ld} -64"
156      ;;
157    esac
158  fi
159  rm -rf conftest*
160  ;;
161
162*-*-sco3.2v5*)
163  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
164  SAVE_CFLAGS="$CFLAGS"
165  CFLAGS="$CFLAGS -belf"
166  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
167    [AC_LANG_SAVE
168     AC_LANG_C
169     AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
170     AC_LANG_RESTORE])
171  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
172    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
173    CFLAGS="$SAVE_CFLAGS"
174  fi
175  ;;
176
177ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
178[*-*-cygwin* | *-*-mingw* | *-*-pw32*)
179  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
180  AC_CHECK_TOOL(AS, as, false)
181  AC_CHECK_TOOL(OBJDUMP, objdump, false)
182
183  # recent cygwin and mingw systems supply a stub DllMain which the user
184  # can override, but on older systems we have to supply one
185  AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
186    [AC_TRY_LINK([],
187      [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
188      DllMain (0, 0, 0);],
189      [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
190
191  case $host/$CC in
192  *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
193    # old mingw systems require "-dll" to link a DLL, while more recent ones
194    # require "-mdll"
195    SAVE_CFLAGS="$CFLAGS"
196    CFLAGS="$CFLAGS -mdll"
197    AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
198      [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
199    CFLAGS="$SAVE_CFLAGS" ;;
200  *-*-cygwin* | *-*-pw32*)
201    # cygwin systems need to pass --dll to the linker, and not link
202    # crt.o which will require a WinMain@16 definition.
203    lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
204  esac
205  ;;
206  ])
207esac
208])
209
210# AC_LIBTOOL_DLOPEN - enable checks for dlopen support
211AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
212
213# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
214AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
215
216# AC_ENABLE_SHARED - implement the --enable-shared flag
217# Usage: AC_ENABLE_SHARED[(DEFAULT)]
218#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
219#   `yes'.
220AC_DEFUN([AC_ENABLE_SHARED],
221[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
222AC_ARG_ENABLE(shared,
223changequote(<<, >>)dnl
224<<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
225changequote([, ])dnl
226[p=${PACKAGE-default}
227case $enableval in
228yes) enable_shared=yes ;;
229no) enable_shared=no ;;
230*)
231  enable_shared=no
232  # Look at the argument we got.  We use all the common list separators.
233  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
234  for pkg in $enableval; do
235    if test "X$pkg" = "X$p"; then
236      enable_shared=yes
237    fi
238  done
239  IFS="$ac_save_ifs"
240  ;;
241esac],
242enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
243])
244
245# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
246AC_DEFUN([AC_DISABLE_SHARED], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
247AC_ENABLE_SHARED(no)])
248
249# AC_ENABLE_STATIC - implement the --enable-static flag
250# Usage: AC_ENABLE_STATIC[(DEFAULT)]
251#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
252#   `yes'.
253AC_DEFUN([AC_ENABLE_STATIC],
254[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
255AC_ARG_ENABLE(static,
256changequote(<<, >>)dnl
257<<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
258changequote([, ])dnl
259[p=${PACKAGE-default}
260case $enableval in
261yes) enable_static=yes ;;
262no) enable_static=no ;;
263*)
264  enable_static=no
265  # Look at the argument we got.  We use all the common list separators.
266  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
267  for pkg in $enableval; do
268    if test "X$pkg" = "X$p"; then
269      enable_static=yes
270    fi
271  done
272  IFS="$ac_save_ifs"
273  ;;
274esac],
275enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
276])
277
278# AC_DISABLE_STATIC - set the default static flag to --disable-static
279AC_DEFUN([AC_DISABLE_STATIC],
280[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
281AC_ENABLE_STATIC(no)])
282
283
284# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
285# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
286#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
287#   `yes'.
288AC_DEFUN([AC_ENABLE_FAST_INSTALL],
289[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
290AC_ARG_ENABLE(fast-install,
291changequote(<<, >>)dnl
292<<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
293changequote([, ])dnl
294[p=${PACKAGE-default}
295case $enableval in
296yes) enable_fast_install=yes ;;
297no) enable_fast_install=no ;;
298*)
299  enable_fast_install=no
300  # Look at the argument we got.  We use all the common list separators.
301  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
302  for pkg in $enableval; do
303    if test "X$pkg" = "X$p"; then
304      enable_fast_install=yes
305    fi
306  done
307  IFS="$ac_save_ifs"
308  ;;
309esac],
310enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
311])
312
313# AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install
314AC_DEFUN([AC_DISABLE_FAST_INSTALL],
315[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
316AC_ENABLE_FAST_INSTALL(no)])
317
318# AC_LIBTOOL_PICMODE - implement the --with-pic flag
319# Usage: AC_LIBTOOL_PICMODE[(MODE)]
320#   Where MODE is either `yes' or `no'.  If omitted, it defaults to
321#   `both'.
322AC_DEFUN([AC_LIBTOOL_PICMODE],
323[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
324pic_mode=ifelse($#,1,$1,default)])
325
326
327# AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
328AC_DEFUN([AC_PATH_TOOL_PREFIX],
329[AC_MSG_CHECKING([for $1])
330AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
331[case $MAGIC_CMD in
332  /*)
333  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
334  ;;
335  ?:/*)
336  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a dos path.
337  ;;
338  *)
339  ac_save_MAGIC_CMD="$MAGIC_CMD"
340  IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS=":"
341dnl $ac_dummy forces splitting on constant user-supplied paths.
342dnl POSIX.2 word splitting is done only on the output of word expansions,
343dnl not every word.  This closes a longstanding sh security hole.
344  ac_dummy="ifelse([$2], , $PATH, [$2])"
345  for ac_dir in $ac_dummy; do
346    test -z "$ac_dir" && ac_dir=.
347    if test -f $ac_dir/$1; then
348      lt_cv_path_MAGIC_CMD="$ac_dir/$1"
349      if test -n "$file_magic_test_file"; then
350	case $deplibs_check_method in
351	"file_magic "*)
352	  file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
353	  MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
354	  if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
355	    egrep "$file_magic_regex" > /dev/null; then
356	    :
357	  else
358	    cat <<EOF 1>&2
359
360*** Warning: the command libtool uses to detect shared libraries,
361*** $file_magic_cmd, produces output that libtool cannot recognize.
362*** The result is that libtool may fail to recognize shared libraries
363*** as such.  This will affect the creation of libtool libraries that
364*** depend on shared libraries, but programs linked with such libtool
365*** libraries will work regardless of this problem.  Nevertheless, you
366*** may want to report the problem to your system manager and/or to
367*** bug-libtool@gnu.org
368
369EOF
370	  fi ;;
371	esac
372      fi
373      break
374    fi
375  done
376  IFS="$ac_save_ifs"
377  MAGIC_CMD="$ac_save_MAGIC_CMD"
378  ;;
379esac])
380MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
381if test -n "$MAGIC_CMD"; then
382  AC_MSG_RESULT($MAGIC_CMD)
383else
384  AC_MSG_RESULT(no)
385fi
386])
387
388
389# AC_PATH_MAGIC - find a file program which can recognise a shared library
390AC_DEFUN([AC_PATH_MAGIC],
391[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
392AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
393if test -z "$lt_cv_path_MAGIC_CMD"; then
394  if test -n "$ac_tool_prefix"; then
395    AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
396  else
397    MAGIC_CMD=:
398  fi
399fi
400])
401
402
403# AC_PROG_LD - find the path to the GNU or non-GNU linker
404AC_DEFUN([AC_PROG_LD],
405[AC_ARG_WITH(gnu-ld,
406[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
407test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
408AC_REQUIRE([AC_PROG_CC])dnl
409AC_REQUIRE([AC_CANONICAL_HOST])dnl
410AC_REQUIRE([AC_CANONICAL_BUILD])dnl
411ac_prog=ld
412if test "$GCC" = yes; then
413  # Check if gcc -print-prog-name=ld gives a path.
414  AC_MSG_CHECKING([for ld used by GCC])
415  case $host in
416  *-*-mingw*)
417    # gcc leaves a trailing carriage return which upsets mingw
418    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
419  *)
420    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
421  esac
422  case $ac_prog in
423    # Accept absolute paths.
424    [[\\/]* | [A-Za-z]:[\\/]*)]
425      re_direlt=['/[^/][^/]*/\.\./']
426      # Canonicalize the path of ld
427      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
428      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
429	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
430      done
431      test -z "$LD" && LD="$ac_prog"
432      ;;
433  "")
434    # If it fails, then pretend we aren't using GCC.
435    ac_prog=ld
436    ;;
437  *)
438    # If it is relative, then search for the first ld in PATH.
439    with_gnu_ld=unknown
440    ;;
441  esac
442elif test "$with_gnu_ld" = yes; then
443  AC_MSG_CHECKING([for GNU ld])
444else
445  AC_MSG_CHECKING([for non-GNU ld])
446fi
447AC_CACHE_VAL(lt_cv_path_LD,
448[if test -z "$LD"; then
449  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
450  for ac_dir in $PATH; do
451    test -z "$ac_dir" && ac_dir=.
452    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
453      lt_cv_path_LD="$ac_dir/$ac_prog"
454      # Check to see if the program is GNU ld.  I'd rather use --version,
455      # but apparently some GNU ld's only accept -v.
456      # Break only if it was the GNU/non-GNU ld that we prefer.
457      if "$lt_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
458	test "$with_gnu_ld" != no && break
459      else
460	test "$with_gnu_ld" != yes && break
461      fi
462    fi
463  done
464  IFS="$ac_save_ifs"
465else
466  lt_cv_path_LD="$LD" # Let the user override the test with a path.
467fi])
468LD="$lt_cv_path_LD"
469if test -n "$LD"; then
470  AC_MSG_RESULT($LD)
471else
472  AC_MSG_RESULT(no)
473fi
474test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
475AC_PROG_LD_GNU
476])
477
478AC_DEFUN([AC_PROG_LD_GNU],
479[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
480[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
481if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
482  lt_cv_prog_gnu_ld=yes
483else
484  lt_cv_prog_gnu_ld=no
485fi])
486with_gnu_ld=$lt_cv_prog_gnu_ld
487])
488
489# AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
490#   -- PORTME Some linkers may need a different reload flag.
491AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
492[AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
493[lt_cv_ld_reload_flag='-r'])
494reload_flag=$lt_cv_ld_reload_flag
495test -n "$reload_flag" && reload_flag=" $reload_flag"
496])
497
498# AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
499#  -- PORTME fill in with the dynamic library characteristics
500AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
501[AC_CACHE_CHECK([how to recognise dependant libraries],
502lt_cv_deplibs_check_method,
503[lt_cv_file_magic_cmd='$MAGIC_CMD'
504lt_cv_file_magic_test_file=
505lt_cv_deplibs_check_method='unknown'
506# Need to set the preceding variable on all platforms that support
507# interlibrary dependencies.
508# 'none' -- dependencies not supported.
509# `unknown' -- same as none, but documents that we really don't know.
510# 'pass_all' -- all dependencies passed with no checks.
511# 'test_compile' -- check by making test program.
512# 'file_magic [regex]' -- check by looking for files in library path
513# which responds to the $file_magic_cmd with a given egrep regex.
514# If you have `file' or equivalent on your system and you're not sure
515# whether `pass_all' will *always* work, you probably want this one.
516
517case $host_os in
518aix*)
519  lt_cv_deplibs_check_method=pass_all
520  ;;
521
522beos*)
523  lt_cv_deplibs_check_method=pass_all
524  ;;
525
526bsdi4*)
527  lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)']
528  lt_cv_file_magic_cmd='/usr/bin/file -L'
529  lt_cv_file_magic_test_file=/shlib/libc.so
530  ;;
531
532cygwin* | mingw* |pw32*)
533  lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
534  lt_cv_file_magic_cmd='$OBJDUMP -f'
535  ;;
536
537darwin* | rhapsody*)
538  lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library'
539  lt_cv_file_magic_cmd='/usr/bin/file -L'
540  case "$host_os" in
541  rhapsody* | darwin1.[012])
542    lt_cv_file_magic_test_file='/System/Library/Frameworks/System.framework/System'
543    ;;
544  *) # Darwin 1.3 on
545    lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib'
546    ;;
547  esac
548  ;;
549
550freebsd* )
551  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
552    case $host_cpu in
553    i*86 )
554      # Not sure whether the presence of OpenBSD here was a mistake.
555      # Let's accept both of them until this is cleared up.
556      lt_cv_deplibs_check_method=['file_magic (FreeBSD|OpenBSD)/i[3-9]86 (compact )?demand paged shared library']
557      lt_cv_file_magic_cmd=/usr/bin/file
558      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
559      ;;
560    esac
561  else
562    lt_cv_deplibs_check_method=pass_all
563  fi
564  ;;
565
566gnu*)
567  lt_cv_deplibs_check_method=pass_all
568  ;;
569
570hpux10.20*|hpux11*)
571  lt_cv_deplibs_check_method=['file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library']
572  lt_cv_file_magic_cmd=/usr/bin/file
573  lt_cv_file_magic_test_file=/usr/lib/libc.sl
574  ;;
575
576irix5* | irix6*)
577  case $host_os in
578  irix5*)
579    # this will be overridden with pass_all, but let us keep it just in case
580    lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
581    ;;
582  *)
583    case $LD in
584    *-32|*"-32 ") libmagic=32-bit;;
585    *-n32|*"-n32 ") libmagic=N32;;
586    *-64|*"-64 ") libmagic=64-bit;;
587    *) libmagic=never-match;;
588    esac
589    # this will be overridden with pass_all, but let us keep it just in case
590    lt_cv_deplibs_check_method=["file_magic ELF ${libmagic} MSB mips-[1234] dynamic lib MIPS - version 1"]
591    ;;
592  esac
593  lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
594  lt_cv_deplibs_check_method=pass_all
595  ;;
596
597# This must be Linux ELF.
598linux*)
599  case $host_cpu in
600  alpha* | i*86 | powerpc* | sparc* | ia64* | s390* | m68k* | arm* | mips* | hppa* | sh* )
601    lt_cv_deplibs_check_method=pass_all ;;
602  *)
603    # glibc up to 2.1.1 does not perform some relocations on ARM
604    lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'] ;;
605  esac
606  lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
607  ;;
608
609netbsd*)
610  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
611    [lt_cv_deplibs_check_method='file_magic NetBSD/[a-z0-9]* demand paged shared library']
612  else
613    [lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object']
614  fi
615  lt_cv_file_magic_cmd='/usr/bin/file -L'
616  lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
617  ;;
618
619openbsd* )
620  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
621    case "$host_cpu" in
622    i*86 )
623      changequote(,)dnl
624      lt_cv_deplibs_check_method='file_magic OpenBSD/i[3-9]86 demand paged shared library'
625      changequote([, ])dnl
626      lt_cv_file_magic_cmd=/usr/bin/file
627      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
628      ;;
629    esac
630  else
631    lt_cv_deplibs_check_method=pass_all
632  fi
633  ;;
634
635newsos6)
636  [lt_cv_deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (executable|dynamic lib)']
637  lt_cv_file_magic_cmd=/usr/bin/file
638  lt_cv_file_magic_test_file=/usr/lib/libnls.so
639  ;;
640
641osf3* | osf4* | osf5*)
642  # this will be overridden with pass_all, but let us keep it just in case
643  lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
644  lt_cv_file_magic_test_file=/shlib/libc.so
645  lt_cv_deplibs_check_method=pass_all
646  ;;
647
648sco3.2v5*)
649  lt_cv_deplibs_check_method=pass_all
650  ;;
651
652solaris*)
653  lt_cv_deplibs_check_method=pass_all
654  lt_cv_file_magic_test_file=/lib/libc.so
655  ;;
656
657sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
658  case $host_vendor in
659  ncr)
660    lt_cv_deplibs_check_method=pass_all
661    ;;
662  motorola)
663    lt_cv_deplibs_check_method=['file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]']
664    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
665    ;;
666  esac
667  ;;
668esac
669])
670file_magic_cmd=$lt_cv_file_magic_cmd
671deplibs_check_method=$lt_cv_deplibs_check_method
672])
673
674
675# AC_PROG_NM - find the path to a BSD-compatible name lister
676AC_DEFUN([AC_PROG_NM],
677[AC_MSG_CHECKING([for BSD-compatible nm])
678AC_CACHE_VAL(lt_cv_path_NM,
679[if test -n "$NM"; then
680  # Let the user override the test.
681  lt_cv_path_NM="$NM"
682else
683  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
684  for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
685    test -z "$ac_dir" && ac_dir=.
686    tmp_nm=$ac_dir/${ac_tool_prefix}nm
687    if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; then
688      # Check to see if the nm accepts a BSD-compat flag.
689      # Adding the `sed 1q' prevents false positives on HP-UX, which says:
690      #   nm: unknown option "B" ignored
691      # Tru64's nm complains that /dev/null is an invalid object file
692      if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then
693	lt_cv_path_NM="$tmp_nm -B"
694	break
695      elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
696	lt_cv_path_NM="$tmp_nm -p"
697	break
698      else
699	lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
700	continue # so that we can try to find one that supports BSD flags
701      fi
702    fi
703  done
704  IFS="$ac_save_ifs"
705  test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
706fi])
707NM="$lt_cv_path_NM"
708AC_MSG_RESULT([$NM])
709])
710
711# AC_CHECK_LIBM - check for math library
712AC_DEFUN([AC_CHECK_LIBM],
713[AC_REQUIRE([AC_CANONICAL_HOST])dnl
714LIBM=
715case $host in
716*-*-beos* | *-*-cygwin* | *-*-pw32*)
717  # These system don't have libm
718  ;;
719*-ncr-sysv4.3*)
720  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
721  AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
722  ;;
723*)
724  AC_CHECK_LIB(m, main, LIBM="-lm")
725  ;;
726esac
727])
728
729# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
730# the libltdl convenience library and INCLTDL to the include flags for
731# the libltdl header and adds --enable-ltdl-convenience to the
732# configure arguments.  Note that LIBLTDL and INCLTDL are not
733# AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If DIR is not
734# provided, it is assumed to be `libltdl'.  LIBLTDL will be prefixed
735# with '${top_builddir}/' and INCLTDL will be prefixed with
736# '${top_srcdir}/' (note the single quotes!).  If your package is not
737# flat and you're not using automake, define top_builddir and
738# top_srcdir appropriately in the Makefiles.
739AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
740[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
741  case $enable_ltdl_convenience in
742  no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
743  "") enable_ltdl_convenience=yes
744      ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
745  esac
746  LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
747  INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
748])
749
750# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
751# the libltdl installable library and INCLTDL to the include flags for
752# the libltdl header and adds --enable-ltdl-install to the configure
753# arguments.  Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
754# AC_CONFIG_SUBDIRS called.  If DIR is not provided and an installed
755# libltdl is not found, it is assumed to be `libltdl'.  LIBLTDL will
756# be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
757# with '${top_srcdir}/' (note the single quotes!).  If your package is
758# not flat and you're not using automake, define top_builddir and
759# top_srcdir appropriately in the Makefiles.
760# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
761AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
762[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
763  AC_CHECK_LIB(ltdl, main,
764  [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
765  [if test x"$enable_ltdl_install" = xno; then
766     AC_MSG_WARN([libltdl not installed, but installation disabled])
767   else
768     enable_ltdl_install=yes
769   fi
770  ])
771  if test x"$enable_ltdl_install" = x"yes"; then
772    ac_configure_args="$ac_configure_args --enable-ltdl-install"
773    LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
774    INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
775  else
776    ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
777    LIBLTDL="-lltdl"
778    INCLTDL=
779  fi
780])
781
782# If this macro is not defined by Autoconf, define it here.
783ifdef([AC_PROVIDE_IFELSE],
784      [],
785      [define([AC_PROVIDE_IFELSE],
786              [ifdef([AC_PROVIDE_$1],
787                     [$2], [$3])])])
788
789# AC_LIBTOOL_CXX - enable support for C++ libraries
790AC_DEFUN([AC_LIBTOOL_CXX], [AC_REQUIRE([_AC_LIBTOOL_CXX])])
791
792AC_DEFUN([_AC_LIBTOOL_CXX],
793[AC_REQUIRE([AC_PROG_CXX])
794AC_REQUIRE([AC_PROG_CXXCPP])
795LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-cxx.sh"
796lt_save_CC="$CC"
797lt_save_CFLAGS="$CFLAGS"
798dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
799dnl is set to the C++ compiler.
800AR="$AR" LTCC="$CC" CC="$CXX" CXX="$CXX" CFLAGS="$CXXFLAGS" CPPFLAGS="$CPPFLAGS" \
801MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
802LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
803AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
804objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
805deplibs_check_method="$deplibs_check_method" \
806file_magic_cmd="$file_magic_cmd" \
807${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
808--build="$build" --add-tag=CXX $ac_aux_dir/ltcf-cxx.sh $host \
809|| AC_MSG_ERROR([libtool tag configuration failed])
810CC="$lt_save_CC"
811CFLAGS="$lt_save_CFLAGS"
812
813# Redirect the config.log output again, so that the ltconfig log is not
814# clobbered by the next message.
815exec 5>>./config.log
816])
817
818# AC_LIBTOOL_GCJ - enable support for GCJ libraries
819AC_DEFUN([AC_LIBTOOL_GCJ],[AC_REQUIRE([_AC_LIBTOOL_GCJ])])
820
821AC_DEFUN([_AC_LIBTOOL_GCJ],
822[AC_REQUIRE([AC_PROG_LIBTOOL])
823AC_PROVIDE_IFELSE([AC_PROG_GCJ],[],
824  [AC_PROVIDE_IFELSE([A][M_PROG_GCJ],[],
825    [AC_PROVIDE_IFELSE([LT_AC_PROG_GCJ],[],
826      [ifdef([AC_PROG_GCJ],[AC_REQUIRE([AC_PROG_GCJ])],
827         [ifdef([A][M_PROG_GCJ],[AC_REQUIRE([A][M_PROG_GCJ])],
828           [AC_REQUIRE([A][C_PROG_GCJ_OR_A][M_PROG_GCJ])])])])])])
829LIBTOOL_DEPS=$LIBTOOL_DEPS" $ac_aux_dir/ltcf-gcj.sh"
830lt_save_CC="$CC"
831lt_save_CFLAGS="$CFLAGS"
832dnl Make sure LTCC is set to the C compiler, i.e. set LTCC before CC
833dnl is set to the C++ compiler.
834AR="$AR" LTCC="$CC" CC="$GCJ" CFLAGS="$GCJFLAGS" CPPFLAGS="$CPPFLAGS" \
835MAGIC_CMD="$MAGIC_CMD" LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \
836LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" STRIP="$STRIP" \
837AS="$AS" DLLTOOL="$DLLTOOL" OBJDUMP="$OBJDUMP" \
838objext="$OBJEXT" exeext="$EXEEXT" reload_flag="$reload_flag" \
839deplibs_check_method="$deplibs_check_method" \
840file_magic_cmd="$file_magic_cmd" \
841${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig -o libtool $libtool_flags \
842--build="$build" --add-tag=GCJ $ac_aux_dir/ltcf-gcj.sh $host \
843|| AC_MSG_ERROR([libtool tag configuration failed])
844CC="$lt_save_CC"
845CFLAGS="$lt_save_CFLAGS"
846
847# Redirect the config.log output again, so that the ltconfig log is not
848# clobbered by the next message.
849exec 5>>./config.log
850])
851
852dnl old names
853AC_DEFUN([AM_PROG_LIBTOOL],   [AC_PROG_LIBTOOL])
854AC_DEFUN([AM_ENABLE_SHARED],  [AC_ENABLE_SHARED($@)])
855AC_DEFUN([AM_ENABLE_STATIC],  [AC_ENABLE_STATIC($@)])
856AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
857AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
858AC_DEFUN([AM_PROG_LD],        [AC_PROG_LD])
859AC_DEFUN([AM_PROG_NM],        [AC_PROG_NM])
860
861dnl This is just to silence aclocal about the macro not being used
862ifelse([AC_DISABLE_FAST_INSTALL])dnl
863
864AC_DEFUN([LT_AC_PROG_GCJ],
865[AC_CHECK_TOOL(GCJ, gcj, no)
866  test "x${GCJFLAGS+set}" = xset || GCJFLAGS="-g -O2"
867  AC_SUBST(GCJFLAGS)
868])
869