1#! /bin/sh
2
3# ltconfig - Create a system-specific libtool.
4# Copyright (C) 1996-1999 Free Software Foundation, Inc.
5# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
6#
7# This file is free software; you can redistribute it and/or modify it
8# under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful, but
13# WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15# General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, write to the Free Software
19# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20#
21# As a special exception to the GNU General Public License, if you
22# distribute this file as part of a program that contains a
23# configuration script generated by Autoconf, you may include it under
24# the same distribution terms that you use for the rest of that program.
25
26# A lot of this script is taken from autoconf-2.10.
27
28# Check that we are running under the correct shell.
29SHELL=${CONFIG_SHELL-/bin/sh}
30echo=echo
31if test "X$1" = X--no-reexec; then
32  # Discard the --no-reexec flag, and continue.
33  shift
34elif test "X$1" = X--fallback-echo; then
35  # Avoid inline document here, it may be left over
36  :
37elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
38  # Yippee, $echo works!
39  :
40else
41  # Restart under the correct shell.
42  exec "$SHELL" "$0" --no-reexec ${1+"$@"}
43fi
44
45if test "X$1" = X--fallback-echo; then
46  # used as fallback echo
47  shift
48  cat <<EOF
49$*
50EOF
51  exit 0
52fi
53
54# Find the correct PATH separator.  Usually this is `:', but
55# DJGPP uses `;' like DOS.
56if test "X${PATH_SEPARATOR+set}" != Xset; then
57  UNAME=${UNAME-`uname 2>/dev/null`}
58  case X$UNAME in
59    *-DOS) PATH_SEPARATOR=';' ;;
60    *)     PATH_SEPARATOR=':' ;;
61  esac
62fi
63
64# The HP-UX ksh and POSIX shell print the target directory to stdout
65# if CDPATH is set.
66if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
67
68if test "X${echo_test_string+set}" != Xset; then
69  # find a string as large as possible, as long as the shell can cope with it
70  for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do
71    # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
72    if (echo_test_string="`eval $cmd`") 2>/dev/null &&
73       echo_test_string="`eval $cmd`" &&
74       (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then
75      break
76    fi
77  done
78fi
79
80if test "X`($echo '\t') 2>/dev/null`" != 'X\t' ||
81   test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then
82  # The Solaris, AIX, and Digital Unix default echo programs unquote
83  # backslashes.  This makes it impossible to quote backslashes using
84  #   echo "$something" | sed 's/\\/\\\\/g'
85  #
86  # So, first we look for a working echo in the user's PATH.
87
88  IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
89  for dir in $PATH /usr/ucb; do
90    if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
91       test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
92       test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
93      echo="$dir/echo"
94      break
95    fi
96  done
97  IFS="$save_ifs"
98
99  if test "X$echo" = Xecho; then
100    # We didn't find a better echo, so look for alternatives.
101    if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
102       test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
103      # This shell has a builtin print -r that does the trick.
104      echo='print -r'
105    elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
106	 test "X$CONFIG_SHELL" != X/bin/ksh; then
107      # If we have ksh, try running ltconfig again with it.
108      ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}"
109      export ORIGINAL_CONFIG_SHELL
110      CONFIG_SHELL=/bin/ksh
111      export CONFIG_SHELL
112      exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"}
113    else
114      # Try using printf.
115      echo='printf "%s\n"'
116      if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
117	 test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
118	# Cool, printf works
119	:
120      elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
121	   test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
122	CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL"
123	export CONFIG_SHELL
124	SHELL="$CONFIG_SHELL"
125	export SHELL
126	echo="$CONFIG_SHELL $0 --fallback-echo"
127      elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' &&
128	   test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then
129	echo="$CONFIG_SHELL $0 --fallback-echo"
130      else
131	# maybe with a smaller string...
132	prev=:
133
134	for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do
135	  if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then
136	    break
137	  fi
138	  prev="$cmd"
139	done
140
141	if test "$prev" != 'sed 50q "$0"'; then
142	  echo_test_string=`eval $prev`
143	  export echo_test_string
144	  exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"}
145	else
146	  # Oops.  We lost completely, so just stick with echo.
147	  echo=echo
148	fi
149      fi
150    fi
151  fi
152fi
153
154# Sed substitution that helps us do robust quoting.  It backslashifies
155# metacharacters that are still active within double-quoted strings.
156Xsed='sed -e s/^X//'
157sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'
158
159# Same as above, but do not quote variable references.
160double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'
161
162# Sed substitution to delay expansion of an escaped shell variable in a
163# double_quote_subst'ed string.
164delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
165
166# The name of this program.
167progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'`
168
169# Constants:
170PROGRAM=ltconfig
171PACKAGE=libtool
172VERSION=1.3.5
173TIMESTAMP=" (1.385.2.206 2000/05/27 11:12:27)"
174ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
175ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
176rm="rm -f"
177
178help="Try \`$progname --help' for more information."
179
180# Global variables:
181default_ofile=libtool
182can_build_shared=yes
183enable_shared=yes
184# All known linkers require a `.a' archive for static linking (except M$VC,
185# which needs '.lib').
186enable_static=yes
187enable_fast_install=yes
188enable_dlopen=unknown
189enable_win32_dll=no
190ltmain=
191silent=
192srcdir=
193ac_config_guess=
194ac_config_sub=
195host=
196nonopt=
197ofile="$default_ofile"
198verify_host=yes
199with_gcc=no
200with_gnu_ld=no
201need_locks=yes
202ac_ext=c
203objext=o
204libext=a
205exeext=
206cache_file=
207
208old_AR="$AR"
209old_CC="$CC"
210old_CFLAGS="$CFLAGS"
211old_CPPFLAGS="$CPPFLAGS"
212old_LDFLAGS="$LDFLAGS"
213old_LD="$LD"
214old_LN_S="$LN_S"
215old_LIBS="$LIBS"
216old_NM="$NM"
217old_RANLIB="$RANLIB"
218old_DLLTOOL="$DLLTOOL"
219old_OBJDUMP="$OBJDUMP"
220old_AS="$AS"
221
222# Parse the command line options.
223args=
224prev=
225for option
226do
227  case "$option" in
228  -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
229  *) optarg= ;;
230  esac
231
232  # If the previous option needs an argument, assign it.
233  if test -n "$prev"; then
234    eval "$prev=\$option"
235    prev=
236    continue
237  fi
238
239  case "$option" in
240  --help) cat <<EOM
241Usage: $progname [OPTION]... [HOST [LTMAIN]]
242
243Generate a system-specific libtool script.
244
245    --debug                enable verbose shell tracing
246    --disable-shared       do not build shared libraries
247    --disable-static       do not build static libraries
248    --disable-fast-install do not optimize for fast installation
249    --enable-dlopen        enable dlopen support
250    --enable-win32-dll     enable building dlls on win32 hosts
251    --help                 display this help and exit
252    --no-verify            do not verify that HOST is a valid host type
253-o, --output=FILE          specify the output file [default=$default_ofile]
254    --quiet                same as \`--silent'
255    --silent               do not print informational messages
256    --srcdir=DIR           find \`config.guess' in DIR
257    --version              output version information and exit
258    --with-gcc             assume that the GNU C compiler will be used
259    --with-gnu-ld          assume that the C compiler uses the GNU linker
260    --disable-lock         disable file locking
261    --cache-file=FILE      configure cache file
262
263LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program
264that provides basic libtool functionality.
265
266HOST is the canonical host system name [default=guessed].
267EOM
268  exit 0
269  ;;
270
271  --debug)
272    echo "$progname: enabling shell trace mode"
273    set -x
274    ;;
275
276  --disable-shared) enable_shared=no ;;
277
278  --disable-static) enable_static=no ;;
279
280  --disable-fast-install) enable_fast_install=no ;;
281
282  --enable-dlopen) enable_dlopen=yes ;;
283
284  --enable-win32-dll) enable_win32_dll=yes ;;
285
286  --quiet | --silent) silent=yes ;;
287
288  --srcdir) prev=srcdir ;;
289  --srcdir=*) srcdir="$optarg" ;;
290
291  --no-verify) verify_host=no ;;
292
293  --output | -o) prev=ofile ;;
294  --output=*) ofile="$optarg" ;;
295
296  --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;;
297
298  --with-gcc) with_gcc=yes ;;
299  --with-gnu-ld) with_gnu_ld=yes ;;
300
301  --disable-lock) need_locks=no ;;
302
303  --cache-file=*) cache_file="$optarg" ;;
304
305  -*)
306    echo "$progname: unrecognized option \`$option'" 1>&2
307    echo "$help" 1>&2
308    exit 1
309    ;;
310
311  *)
312    if test -z "$ltmain"; then
313      ltmain="$option"
314    elif test -z "$host"; then
315# This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1
316#      if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then
317#        echo "$progname: warning \`$option' is not a valid host type" 1>&2
318#      fi
319      host="$option"
320    else
321      echo "$progname: too many arguments" 1>&2
322      echo "$help" 1>&2
323      exit 1
324    fi ;;
325  esac
326done
327
328if test -z "$ltmain"; then
329  echo "$progname: you must specify a LTMAIN file" 1>&2
330  echo "$help" 1>&2
331  exit 1
332fi
333
334if test ! -f "$ltmain"; then
335  echo "$progname: \`$ltmain' does not exist" 1>&2
336  echo "$help" 1>&2
337  exit 1
338fi
339
340# Quote any args containing shell metacharacters.
341ltconfig_args=
342for arg
343do
344  case "$arg" in
345  *" "*|*"	"*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
346  ltconfig_args="$ltconfig_args '$arg'" ;;
347  *) ltconfig_args="$ltconfig_args $arg" ;;
348  esac
349done
350
351# A relevant subset of AC_INIT.
352
353# File descriptor usage:
354# 0 standard input
355# 1 file creation
356# 2 errors and warnings
357# 3 some systems may open it to /dev/tty
358# 4 used on the Kubota Titan
359# 5 compiler messages saved in config.log
360# 6 checking for... messages and results
361if test "$silent" = yes; then
362  exec 6>/dev/null
363else
364  exec 6>&1
365fi
366exec 5>>./config.log
367
368# NLS nuisances.
369# Only set LANG and LC_ALL to C if already set.
370# These must not be set unconditionally because not all systems understand
371# e.g. LANG=C (notably SCO).
372if test "X${LC_ALL+set}" = Xset; then LC_ALL=C; export LC_ALL; fi
373if test "X${LANG+set}"   = Xset; then LANG=C;   export LANG;   fi
374
375if test -n "$cache_file" && test -r "$cache_file"; then
376  echo "loading cache $cache_file within ltconfig"
377  . $cache_file
378fi
379
380if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
381  # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
382  if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
383    ac_n= ac_c='
384' ac_t='	'
385  else
386    ac_n=-n ac_c= ac_t=
387  fi
388else
389  ac_n= ac_c='\c' ac_t=
390fi
391
392if test -z "$srcdir"; then
393  # Assume the source directory is the same one as the path to LTMAIN.
394  srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'`
395  test "$srcdir" = "$ltmain" && srcdir=.
396fi
397
398trap "$rm conftest*; exit 1" 1 2 15
399if test "$verify_host" = yes; then
400  # Check for config.guess and config.sub.
401  ac_aux_dir=
402  for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do
403    if test -f $ac_dir/config.guess; then
404      ac_aux_dir=$ac_dir
405      break
406    fi
407  done
408  if test -z "$ac_aux_dir"; then
409    echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2
410    echo "$help" 1>&2
411    exit 1
412  fi
413  ac_config_guess=$ac_aux_dir/config.guess
414  ac_config_sub=$ac_aux_dir/config.sub
415
416  # Make sure we can run config.sub.
417  if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then :
418  else
419    echo "$progname: cannot run $ac_config_sub" 1>&2
420    echo "$help" 1>&2
421    exit 1
422  fi
423
424  echo $ac_n "checking host system type""... $ac_c" 1>&6
425
426  host_alias=$host
427  case "$host_alias" in
428  "")
429    if host_alias=`$SHELL $ac_config_guess`; then :
430    else
431      echo "$progname: cannot guess host type; you must specify one" 1>&2
432      echo "$help" 1>&2
433      exit 1
434    fi ;;
435  esac
436  host=`$SHELL $ac_config_sub $host_alias`
437  echo "$ac_t$host" 1>&6
438
439  # Make sure the host verified.
440  test -z "$host" && exit 1
441
442elif test -z "$host"; then
443  echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2
444  echo "$help" 1>&2
445  exit 1
446else
447  host_alias=$host
448fi
449
450# Transform linux* to *-*-linux-gnu*, to support old configure scripts.
451case "$host_os" in
452linux-gnu*) ;;
453linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
454esac
455
456host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'`
457host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'`
458host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'`
459
460case "$host_os" in
461aix3*)
462  # AIX sometimes has problems with the GCC collect2 program.  For some
463  # reason, if we set the COLLECT_NAMES environment variable, the problems
464  # vanish in a puff of smoke.
465  if test "X${COLLECT_NAMES+set}" != Xset; then
466    COLLECT_NAMES=
467    export COLLECT_NAMES
468  fi
469  ;;
470esac
471
472# Determine commands to create old-style static archives.
473old_archive_cmds='$AR cru $oldlib$oldobjs'
474old_postinstall_cmds='chmod 644 $oldlib'
475old_postuninstall_cmds=
476
477# Set a sane default for `AR'.
478test -z "$AR" && AR=ar
479
480# Set a sane default for `OBJDUMP'.
481test -z "$OBJDUMP" && OBJDUMP=objdump
482
483# If RANLIB is not set, then run the test.
484if test "${RANLIB+set}" != "set"; then
485  result=no
486
487  echo $ac_n "checking for ranlib... $ac_c" 1>&6
488  IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
489  for dir in $PATH; do
490    test -z "$dir" && dir=.
491    if test -f $dir/ranlib || test -f $dir/ranlib$ac_exeext; then
492      RANLIB="ranlib"
493      result="ranlib"
494      break
495    fi
496  done
497  IFS="$save_ifs"
498
499  echo "$ac_t$result" 1>&6
500fi
501
502if test -n "$RANLIB"; then
503  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
504  old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
505fi
506
507# Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin.
508test -z "$DLLTOOL" && DLLTOOL=dlltool
509test -z "$OBJDUMP" && OBJDUMP=objdump
510test -z "$AS" && AS=as
511
512# Check to see if we are using GCC.
513if test "$with_gcc" != yes || test -z "$CC"; then
514  # If CC is not set, then try to find GCC or a usable CC.
515  if test -z "$CC"; then
516    echo $ac_n "checking for gcc... $ac_c" 1>&6
517    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
518    for dir in $PATH; do
519      test -z "$dir" && dir=.
520      if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then
521	CC="gcc"
522	break
523      fi
524    done
525    IFS="$save_ifs"
526
527    if test -n "$CC"; then
528      echo "$ac_t$CC" 1>&6
529    else
530      echo "$ac_t"no 1>&6
531    fi
532  fi
533
534  # Not "gcc", so try "cc", rejecting "/usr/ucb/cc".
535  if test -z "$CC"; then
536    echo $ac_n "checking for cc... $ac_c" 1>&6
537    IFS="${IFS= 	}"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
538    cc_rejected=no
539    for dir in $PATH; do
540      test -z "$dir" && dir=.
541      if test -f $dir/cc || test -f $dir/cc$ac_exeext; then
542	if test "$dir/cc" = "/usr/ucb/cc"; then
543	  cc_rejected=yes
544	  continue
545	fi
546	CC="cc"
547	break
548      fi
549    done
550    IFS="$save_ifs"
551    if test $cc_rejected = yes; then
552      # We found a bogon in the path, so make sure we never use it.
553      set dummy $CC
554      shift
555      if test $# -gt 0; then
556	# We chose a different compiler from the bogus one.
557	# However, it has the same name, so the bogon will be chosen
558	# first if we set CC to just the name; use the full file name.
559	shift
560	set dummy "$dir/cc" "$@"
561	shift
562	CC="$@"
563      fi
564    fi
565
566    if test -n "$CC"; then
567      echo "$ac_t$CC" 1>&6
568    else
569      echo "$ac_t"no 1>&6
570    fi
571
572    if test -z "$CC"; then
573      echo "$progname: error: no acceptable cc found in \$PATH" 1>&2
574      exit 1
575    fi
576  fi
577
578  # Now see if the compiler is really GCC.
579  with_gcc=no
580  echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6
581  echo "$progname:581: checking whether we are using GNU C" >&5
582
583  $rm conftest.c
584  cat > conftest.c <<EOF
585#ifdef __GNUC__
586  yes;
587#endif
588EOF
589  if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:589: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then
590    with_gcc=yes
591  fi
592  $rm conftest.c
593  echo "$ac_t$with_gcc" 1>&6
594fi
595
596# Allow CC to be a program name with arguments.
597set dummy $CC
598compiler="$2"
599
600echo $ac_n "checking for object suffix... $ac_c" 1>&6
601$rm conftest*
602echo 'int i = 1;' > conftest.c
603echo "$progname:603: checking for object suffix" >& 5
604if { (eval echo $progname:604: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
605  # Append any warnings to the config.log.
606  cat conftest.err 1>&5
607
608  for ac_file in conftest.*; do
609    case $ac_file in
610    *.c) ;;
611    *) objext=`echo $ac_file | sed -e s/conftest.//` ;;
612    esac
613  done
614else
615  cat conftest.err 1>&5
616  echo "$progname: failed program was:" >&5
617  cat conftest.c >&5
618fi
619$rm conftest*
620echo "$ac_t$objext" 1>&6
621
622echo $ac_n "checking for executable suffix... $ac_c" 1>&6
623if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then
624  echo $ac_n "(cached) $ac_c" 1>&6
625else
626  ac_cv_exeext="no"
627  $rm conftest*
628  echo 'main () { return 0; }' > conftest.c
629  echo "$progname:629: checking for executable suffix" >& 5
630  if { (eval echo $progname:630: \"$ac_link\") 1>&5; (eval $ac_link) 2>conftest.err; }; then
631    # Append any warnings to the config.log.
632    cat conftest.err 1>&5
633
634    for ac_file in conftest.*; do
635      case $ac_file in
636      *.c | *.err | *.$objext ) ;;
637      *) ac_cv_exeext=.`echo $ac_file | sed -e s/conftest.//` ;;
638      esac
639    done
640  else
641    cat conftest.err 1>&5
642    echo "$progname: failed program was:" >&5
643    cat conftest.c >&5
644  fi
645  $rm conftest*
646fi
647if test "X$ac_cv_exeext" = Xno; then
648  exeext=""
649else
650  exeext="$ac_cv_exeext"
651fi
652echo "$ac_t$ac_cv_exeext" 1>&6
653
654echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6
655pic_flag=
656special_shlib_compile_flags=
657wl=
658link_static_flag=
659no_builtin_flag=
660
661if test "$with_gcc" = yes; then
662  wl='-Wl,'
663  link_static_flag='-static'
664
665  case "$host_os" in
666  beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
667    # PIC is the default for these OSes.
668    ;;
669  aix*)
670    # Below there is a dirty hack to force normal static linking with -ldl
671    # The problem is because libdl dynamically linked with both libc and
672    # libC (AIX C++ library), which obviously doesn't included in libraries
673    # list by gcc. This cause undefined symbols with -static flags.
674    # This hack allows C programs to be linked with "-static -ldl", but
675    # we not sure about C++ programs.
676    link_static_flag="$link_static_flag ${wl}-lC"
677    ;;
678  cygwin* | mingw* | os2*)
679    # We can build DLLs from non-PIC.
680    ;;
681  amigaos*)
682    # FIXME: we need at least 68020 code to build shared libraries, but
683    # adding the `-m68020' flag to GCC prevents building anything better,
684    # like `-m68040'.
685    pic_flag='-m68020 -resident32 -malways-restore-a4'
686    ;;
687  sysv4*MP*)
688    if test -d /usr/nec; then
689       pic_flag=-Kconform_pic
690    fi
691    ;;
692  *)
693    pic_flag='-fPIC'
694    ;;
695  esac
696else
697  # PORTME Check for PIC flags for the system compiler.
698  case "$host_os" in
699  aix3* | aix4*)
700    # All AIX code is PIC.
701    link_static_flag='-bnso -bI:/lib/syscalls.exp'
702    ;;
703
704  hpux9* | hpux10* | hpux11*)
705    # Is there a better link_static_flag that works with the bundled CC?
706    wl='-Wl,'
707    link_static_flag="${wl}-a ${wl}archive"
708    pic_flag='+Z'
709    ;;
710
711  irix5* | irix6*)
712    wl='-Wl,'
713    link_static_flag='-non_shared'
714    # PIC (with -KPIC) is the default.
715    ;;
716
717  cygwin* | mingw* | os2*)
718    # We can build DLLs from non-PIC.
719    ;;
720
721  osf3* | osf4* | osf5*)
722    # All OSF/1 code is PIC.
723    wl='-Wl,'
724    link_static_flag='-non_shared'
725    ;;
726
727  sco3.2v5*)
728    pic_flag='-Kpic'
729    link_static_flag='-dn'
730    special_shlib_compile_flags='-belf'
731    ;;
732
733  solaris*)
734    pic_flag='-KPIC'
735    link_static_flag='-Bstatic'
736    wl='-Wl,'
737    ;;
738
739  sunos4*)
740    pic_flag='-PIC'
741    link_static_flag='-Bstatic'
742    wl='-Qoption ld '
743    ;;
744
745  sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
746    pic_flag='-KPIC'
747    link_static_flag='-Bstatic'
748    wl='-Wl,'
749    ;;
750
751  uts4*)
752    pic_flag='-pic'
753    link_static_flag='-Bstatic'
754    ;;
755  sysv4*MP*)
756    if test -d /usr/nec ;then
757      pic_flag='-Kconform_pic'
758      link_static_flag='-Bstatic'
759    fi
760    ;;
761  *)
762    can_build_shared=no
763    ;;
764  esac
765fi
766
767if test -n "$pic_flag"; then
768  echo "$ac_t$pic_flag" 1>&6
769
770  # Check to make sure the pic_flag actually works.
771  echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6
772  $rm conftest*
773  echo "int some_variable = 0;" > conftest.c
774  save_CFLAGS="$CFLAGS"
775  CFLAGS="$CFLAGS $pic_flag -DPIC"
776  echo "$progname:776: checking if $compiler PIC flag $pic_flag works" >&5
777  if { (eval echo $progname:777: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then
778    # Append any warnings to the config.log.
779    cat conftest.err 1>&5
780
781    case "$host_os" in
782    hpux9* | hpux10* | hpux11*)
783      # On HP-UX, both CC and GCC only warn that PIC is supported... then they
784      # create non-PIC objects.  So, if there were any warnings, we assume that
785      # PIC is not supported.
786      if test -s conftest.err; then
787	echo "$ac_t"no 1>&6
788	can_build_shared=no
789	pic_flag=
790      else
791	echo "$ac_t"yes 1>&6
792	pic_flag=" $pic_flag"
793      fi
794      ;;
795    *)
796      echo "$ac_t"yes 1>&6
797      pic_flag=" $pic_flag"
798      ;;
799    esac
800  else
801    # Append any errors to the config.log.
802    cat conftest.err 1>&5
803    can_build_shared=no
804    pic_flag=
805    echo "$ac_t"no 1>&6
806  fi
807  CFLAGS="$save_CFLAGS"
808  $rm conftest*
809else
810  echo "$ac_t"none 1>&6
811fi
812
813# Check to see if options -o and -c are simultaneously supported by compiler
814echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6
815$rm -r conftest 2>/dev/null
816mkdir conftest
817cd conftest
818$rm conftest*
819echo "int some_variable = 0;" > conftest.c
820mkdir out
821# According to Tom Tromey, Ian Lance Taylor reported there are C compilers
822# that will create temporary files in the current directory regardless of
823# the output directory.  Thus, making CWD read-only will cause this test
824# to fail, enabling locking or at least warning the user not to do parallel
825# builds.
826chmod -w .
827save_CFLAGS="$CFLAGS"
828CFLAGS="$CFLAGS -o out/conftest2.o"
829echo "$progname:829: checking if $compiler supports -c -o file.o" >&5
830if { (eval echo $progname:830: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then
831
832  # The compiler can only warn and ignore the option if not recognized
833  # So say no if there are warnings
834    if test -s out/conftest.err; then
835      echo "$ac_t"no 1>&6
836      compiler_c_o=no
837    else
838      echo "$ac_t"yes 1>&6
839      compiler_c_o=yes
840    fi
841else
842  # Append any errors to the config.log.
843  cat out/conftest.err 1>&5
844  compiler_c_o=no
845  echo "$ac_t"no 1>&6
846fi
847CFLAGS="$save_CFLAGS"
848chmod u+w .
849$rm conftest* out/*
850rmdir out
851cd ..
852rmdir conftest
853$rm -r conftest 2>/dev/null
854
855if test x"$compiler_c_o" = x"yes"; then
856  # Check to see if we can write to a .lo
857  echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6
858  $rm conftest*
859  echo "int some_variable = 0;" > conftest.c
860  save_CFLAGS="$CFLAGS"
861  CFLAGS="$CFLAGS -c -o conftest.lo"
862  echo "$progname:862: checking if $compiler supports -c -o file.lo" >&5
863if { (eval echo $progname:863: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then
864
865    # The compiler can only warn and ignore the option if not recognized
866    # So say no if there are warnings
867      if test -s conftest.err; then
868	echo "$ac_t"no 1>&6
869	compiler_o_lo=no
870      else
871	echo "$ac_t"yes 1>&6
872	compiler_o_lo=yes
873      fi
874  else
875    # Append any errors to the config.log.
876    cat conftest.err 1>&5
877    compiler_o_lo=no
878    echo "$ac_t"no 1>&6
879  fi
880  CFLAGS="$save_CFLAGS"
881  $rm conftest*
882else
883  compiler_o_lo=no
884fi
885
886# Check to see if we can do hard links to lock some files if needed
887hard_links="nottested"
888if test "$compiler_c_o" = no && test "$need_locks" != no; then
889  # do not overwrite the value of need_locks provided by the user
890  echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6
891  hard_links=yes
892  $rm conftest*
893  ln conftest.a conftest.b 2>/dev/null && hard_links=no
894  touch conftest.a
895  ln conftest.a conftest.b 2>&5 || hard_links=no
896  ln conftest.a conftest.b 2>/dev/null && hard_links=no
897  echo "$ac_t$hard_links" 1>&6
898  $rm conftest*
899  if test "$hard_links" = no; then
900    echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2
901    need_locks=warn
902  fi
903else
904  need_locks=no
905fi
906
907if test "$with_gcc" = yes; then
908  # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
909  echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6
910  $rm conftest*
911  echo "int some_variable = 0;" > conftest.c
912  save_CFLAGS="$CFLAGS"
913  CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c"
914  echo "$progname:914: checking if $compiler supports -fno-rtti -fno-exceptions" >&5
915  if { (eval echo $progname:915: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then
916
917    # The compiler can only warn and ignore the option if not recognized
918    # So say no if there are warnings
919      if test -s conftest.err; then
920	echo "$ac_t"no 1>&6
921	compiler_rtti_exceptions=no
922      else
923	echo "$ac_t"yes 1>&6
924	compiler_rtti_exceptions=yes
925      fi
926  else
927    # Append any errors to the config.log.
928    cat conftest.err 1>&5
929    compiler_rtti_exceptions=no
930    echo "$ac_t"no 1>&6
931  fi
932  CFLAGS="$save_CFLAGS"
933  $rm conftest*
934
935  if test "$compiler_rtti_exceptions" = "yes"; then
936    no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
937  else
938    no_builtin_flag=' -fno-builtin'
939  fi
940
941fi
942
943# Check for any special shared library compilation flags.
944if test -n "$special_shlib_compile_flags"; then
945  echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2
946  if echo "$old_CC $old_CFLAGS " | egrep -e "[ 	]$special_shlib_compile_flags[ 	]" >/dev/null; then :
947  else
948    echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2
949    can_build_shared=no
950  fi
951fi
952
953echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6
954$rm conftest*
955echo 'main(){return(0);}' > conftest.c
956save_LDFLAGS="$LDFLAGS"
957LDFLAGS="$LDFLAGS $link_static_flag"
958echo "$progname:958: checking if $compiler static flag $link_static_flag works" >&5
959if { (eval echo $progname:959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
960  echo "$ac_t$link_static_flag" 1>&6
961else
962  echo "$ac_t"none 1>&6
963  link_static_flag=
964fi
965LDFLAGS="$save_LDFLAGS"
966$rm conftest*
967
968if test -z "$LN_S"; then
969  # Check to see if we can use ln -s, or we need hard links.
970  echo $ac_n "checking whether ln -s works... $ac_c" 1>&6
971  $rm conftest.dat
972  if ln -s X conftest.dat 2>/dev/null; then
973    $rm conftest.dat
974    LN_S="ln -s"
975  else
976    LN_S=ln
977  fi
978  if test "$LN_S" = "ln -s"; then
979    echo "$ac_t"yes 1>&6
980  else
981    echo "$ac_t"no 1>&6
982  fi
983fi
984
985# Make sure LD is an absolute path.
986if test -z "$LD"; then
987  ac_prog=ld
988  if test "$with_gcc" = yes; then
989    # Check if gcc -print-prog-name=ld gives a path.
990    echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6
991    echo "$progname:991: checking for ld used by GCC" >&5
992    ac_prog=`($CC -print-prog-name=ld) 2>&5`
993    case "$ac_prog" in
994    # Accept absolute paths.
995    [\\/]* | [A-Za-z]:[\\/]*)
996      re_direlt='/[^/][^/]*/\.\./'
997      # Canonicalize the path of ld
998      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
999      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
1000	ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
1001      done
1002      test -z "$LD" && LD="$ac_prog"
1003      ;;
1004    "")
1005      # If it fails, then pretend we are not using GCC.
1006      ac_prog=ld
1007      ;;
1008    *)
1009      # If it is relative, then search for the first ld in PATH.
1010      with_gnu_ld=unknown
1011      ;;
1012    esac
1013  elif test "$with_gnu_ld" = yes; then
1014    echo $ac_n "checking for GNU ld... $ac_c" 1>&6
1015    echo "$progname:1015: checking for GNU ld" >&5
1016  else
1017    echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6
1018    echo "$progname:1018: checking for non-GNU ld" >&5
1019  fi
1020
1021  if test -z "$LD"; then
1022    IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1023    for ac_dir in $PATH; do
1024      test -z "$ac_dir" && ac_dir=.
1025      if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
1026	LD="$ac_dir/$ac_prog"
1027	# Check to see if the program is GNU ld.  I'd rather use --version,
1028	# but apparently some GNU ld's only accept -v.
1029	# Break only if it was the GNU/non-GNU ld that we prefer.
1030	if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
1031	  test "$with_gnu_ld" != no && break
1032	else
1033	  test "$with_gnu_ld" != yes && break
1034	fi
1035      fi
1036    done
1037    IFS="$ac_save_ifs"
1038  fi
1039
1040  if test -n "$LD"; then
1041    echo "$ac_t$LD" 1>&6
1042  else
1043    echo "$ac_t"no 1>&6
1044  fi
1045
1046  if test -z "$LD"; then
1047    echo "$progname: error: no acceptable ld found in \$PATH" 1>&2
1048    exit 1
1049  fi
1050fi
1051
1052# Check to see if it really is or is not GNU ld.
1053echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6
1054# I'd rather use --version here, but apparently some GNU ld's only accept -v.
1055if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
1056  with_gnu_ld=yes
1057else
1058  with_gnu_ld=no
1059fi
1060echo "$ac_t$with_gnu_ld" 1>&6
1061
1062# See if the linker supports building shared libraries.
1063echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6
1064
1065allow_undefined_flag=
1066no_undefined_flag=
1067need_lib_prefix=unknown
1068need_version=unknown
1069# when you set need_version to no, make sure it does not cause -set_version
1070# flags to be left without arguments
1071archive_cmds=
1072archive_expsym_cmds=
1073old_archive_from_new_cmds=
1074export_dynamic_flag_spec=
1075whole_archive_flag_spec=
1076thread_safe_flag_spec=
1077hardcode_libdir_flag_spec=
1078hardcode_libdir_separator=
1079hardcode_direct=no
1080hardcode_minus_L=no
1081hardcode_shlibpath_var=unsupported
1082runpath_var=
1083always_export_symbols=no
1084export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
1085# include_expsyms should be a list of space-separated symbols to be *always*
1086# included in the symbol list
1087include_expsyms=
1088# exclude_expsyms can be an egrep regular expression of symbols to exclude
1089# it will be wrapped by ` (' and `)$', so one must not match beginning or
1090# end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
1091# as well as any symbol that contains `d'.
1092exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
1093# Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
1094# platforms (ab)use it in PIC code, but their linkers get confused if
1095# the symbol is explicitly referenced.  Since portable code cannot
1096# rely on this symbol name, it's probably fine to never include it in
1097# preloaded symbol tables.
1098
1099case "$host_os" in
1100cygwin* | mingw*)
1101  # FIXME: the MSVC++ port hasn't been tested in a loooong time
1102  # When not using gcc, we currently assume that we are using
1103  # Microsoft Visual C++.
1104  if test "$with_gcc" != yes; then
1105    with_gnu_ld=no
1106  fi
1107  ;;
1108openbsd*)
1109  with_gnu_ld=no
1110  ;;
1111
1112esac
1113
1114ld_shlibs=yes
1115if test "$with_gnu_ld" = yes; then
1116  # If archive_cmds runs LD, not CC, wlarc should be empty
1117  wlarc='${wl}'
1118
1119  # See if GNU ld supports shared libraries.
1120  case "$host_os" in
1121  aix3* | aix4*)
1122    # On AIX, the GNU linker is very broken
1123    ld_shlibs=no
1124    cat <<EOF 1>&2
1125
1126*** Warning: the GNU linker, at least up to release 2.9.1, is reported
1127*** to be unable to reliably create shared libraries on AIX.
1128*** Therefore, libtool is disabling shared libraries support.  If you
1129*** really care for shared libraries, you may want to modify your PATH
1130*** so that a non-GNU linker is found, and then restart.
1131
1132EOF
1133    ;;
1134
1135  amigaos*)
1136    archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)'
1137    hardcode_libdir_flag_spec='-L$libdir'
1138    hardcode_minus_L=yes
1139
1140    # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
1141    # that the semantics of dynamic libraries on AmigaOS, at least up
1142    # to version 4, is to share data among multiple programs linked
1143    # with the same dynamic library.  Since this doesn't match the
1144    # behavior of shared libraries on other platforms, we can use
1145    # them.
1146    ld_shlibs=no
1147    ;;
1148
1149  beos*)
1150    if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1151      #allow_undefined_flag=unsupported
1152      # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
1153      # support --undefined.  This deserves some investigation.  FIXME
1154      archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1155    else
1156      ld_shlibs=no
1157    fi
1158    ;;
1159
1160  cygwin* | mingw*)
1161    # Special flag that tells Cygwin to use the native MSVC runtime
1162    case "$host_os" in
1163    cygwin*)
1164      cygwin_use_msvcrt=true
1165      ;;
1166    esac
1167    # hardcode_libdir_flag_spec is actually meaningless, as there is
1168    # no search path for DLLs.
1169    hardcode_libdir_flag_spec='-L$libdir'
1170#    allow_undefined_flag=unsupported
1171    always_export_symbols=yes
1172
1173    # Extract the symbol export list from an `--export-all' def file,
1174    # then regenerate the def file from the symbol export list, so that
1175    # the compiled dll only exports the symbol export list.
1176    # Be careful not to strip the DATA tag left by newer dlltools.
1177    if [ "$cygwin_use_msvcrt" = "true" ]; then
1178      export_symbols_cmds='test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1179      test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -U__CYGWIN__ -U__CYGWIN32__ -c $soname-ltdll.c)~
1180      $DLLTOOL --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def  $objdir/$soname-ltdll.$objext $libobjs $convenience~
1181      sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $objdir/$soname-def > $export_symbols'
1182    else
1183      export_symbols_cmds='test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1184      test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~
1185      $DLLTOOL --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def  $objdir/$soname-ltdll.$objext $libobjs $convenience~
1186      sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $objdir/$soname-def > $export_symbols'
1187    fi
1188
1189    # If DATA tags from a recent dlltool are present, honour them!
1190    if [ "$cygwin_use_msvcrt" = "true" ]; then
1191      archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
1192      _lt_hint=1;
1193      cat $export_symbols | while read symbol; do
1194        set dummy \$symbol;
1195        case \$# in
1196          2) echo "	\$2 @ \$_lt_hint ; " >> $objdir/$soname-def;;
1197          *) echo "     \$2 @ \$_lt_hint \$3 ; " >> $objdir/$soname-def;;
1198        esac;
1199	_lt_hint=`expr 1 + \$_lt_hint`;
1200      done~
1201      test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1202      test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -U__CYGWIN__ -U__CYGWIN32__ -c $soname-ltdll.c)~
1203      $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts -L/usr/lib/mingw -mno-cygwin~
1204      $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
1205      $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts -L/usr/lib/mingw -mno-cygwin~
1206      $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
1207      $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts -L/usr/lib/mingw -mno-cygwin~
1208      : strip_is_broken_with_dlls_on_win95B - strip $lib'
1209    else
1210      archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~
1211      _lt_hint=1;
1212      cat $export_symbols | while read symbol; do
1213        set dummy \$symbol;
1214        case \$# in
1215          2) echo "	\$2 @ \$_lt_hint ; " >> $objdir/$soname-def;;
1216          *) echo "     \$2 @ \$_lt_hint \$3 ; " >> $objdir/$soname-def;;
1217        esac;
1218	_lt_hint=`expr 1 + \$_lt_hint`;
1219      done~
1220      test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~
1221      test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~
1222      $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1223      $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
1224      $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1225      $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~
1226      $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~
1227      : strip_is_broken_with_dlls_on_win95B - strip $lib'
1228    fi
1229    old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a'
1230    ;;
1231
1232  netbsd*)
1233    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1234      archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1235      archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1236    else
1237      archive_cmds='$LD -Bshareable $libobjs $deplibs $linkopts -o $lib'
1238      # can we support soname and/or expsyms with a.out? -oliva
1239    fi
1240    ;;
1241
1242  solaris* | sysv5*)
1243    if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
1244      ld_shlibs=no
1245      cat <<EOF 1>&2
1246
1247*** Warning: The releases 2.8.* of the GNU linker cannot reliably
1248*** create shared libraries on Solaris systems.  Therefore, libtool
1249*** is disabling shared libraries support.  We urge you to upgrade GNU
1250*** binutils to release 2.9.1 or newer.  Another option is to modify
1251*** your PATH or compiler configuration so that the native linker is
1252*** used, and then restart.
1253
1254EOF
1255    elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1256      archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1257      archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1258    else
1259      ld_shlibs=no
1260    fi
1261    ;;
1262
1263  sunos4*)
1264    archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts'
1265    wlarc=
1266    hardcode_direct=yes
1267    hardcode_shlibpath_var=no
1268    ;;
1269
1270  *)
1271    if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1272      archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib'
1273      archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1274    else
1275      ld_shlibs=no
1276    fi
1277    ;;
1278  esac
1279
1280  if test "$ld_shlibs" = yes; then
1281    runpath_var=LD_RUN_PATH
1282    hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1283    export_dynamic_flag_spec='${wl}--export-dynamic'
1284    case $host_os in
1285    cygwin* | mingw*)
1286      # dlltool doesn't understand --whole-archive et. al.
1287      whole_archive_flag_spec=
1288      ;;
1289    *)
1290      # ancient GNU ld didn't support --whole-archive et. al.
1291      if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
1292        whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
1293      else
1294        whole_archive_flag_spec=
1295      fi
1296      ;;
1297    esac
1298  fi
1299else
1300  # PORTME fill in a description of your system's linker (not GNU ld)
1301  case "$host_os" in
1302  aix3*)
1303    allow_undefined_flag=unsupported
1304    always_export_symbols=yes
1305    archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
1306    # Note: this linker hardcodes the directories in LIBPATH if there
1307    # are no directories specified by -L.
1308    hardcode_minus_L=yes
1309    if test "$with_gcc" = yes && test -z "$link_static_flag"; then
1310      # Neither direct hardcoding nor static linking is supported with a
1311      # broken collect2.
1312      hardcode_direct=unsupported
1313    fi
1314    ;;
1315
1316  aix4*)
1317    hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
1318    hardcode_libdir_separator=':'
1319    if test "$with_gcc" = yes; then
1320      collect2name=`${CC} -print-prog-name=collect2`
1321      if test -f "$collect2name" && \
1322	 strings "$collect2name" | grep resolve_lib_name >/dev/null
1323      then
1324	# We have reworked collect2
1325	hardcode_direct=yes
1326      else
1327	# We have old collect2
1328	hardcode_direct=unsupported
1329	# It fails to find uninstalled libraries when the uninstalled
1330	# path is not listed in the libpath.  Setting hardcode_minus_L
1331	# to unsupported forces relinking
1332	hardcode_minus_L=yes
1333	hardcode_libdir_flag_spec='-L$libdir'
1334	hardcode_libdir_separator=
1335      fi
1336      shared_flag='-shared'
1337    else
1338      shared_flag='${wl}-bM:SRE'
1339      hardcode_direct=yes
1340    fi
1341    allow_undefined_flag=' ${wl}-berok'
1342    archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
1343    archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
1344    case "$host_os" in aix4.[01]|aix4.[01].*)
1345      # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
1346      always_export_symbols=yes ;;
1347    esac
1348   ;;
1349
1350  amigaos*)
1351    archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)'
1352    hardcode_libdir_flag_spec='-L$libdir'
1353    hardcode_minus_L=yes
1354    # see comment about different semantics on the GNU ld section
1355    ld_shlibs=no
1356    ;;
1357
1358  cygwin* | mingw*)
1359    # When not using gcc, we currently assume that we are using
1360    # Microsoft Visual C++.
1361    # hardcode_libdir_flag_spec is actually meaningless, as there is
1362    # no search path for DLLs.
1363    hardcode_libdir_flag_spec=' '
1364#    allow_undefined_flag=unsupported
1365    # Tell ltmain to make .lib files, not .a files.
1366    libext=lib
1367    # FIXME: Setting linknames here is a bad hack.
1368    archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1369    # The linker will automatically build a .lib file if we build a DLL.
1370    old_archive_from_new_cmds='true'
1371    # FIXME: Should let the user specify the lib program.
1372    old_archive_cmds='lib /OUT:$oldlib$oldobjs'
1373    fix_srcfile_path='`cygpath -w $srcfile`'
1374    ;;
1375
1376  freebsd1*)
1377    ld_shlibs=no
1378    ;;
1379
1380  # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1381  # support.  Future versions do this automatically, but an explicit c++rt0.o
1382  # does not break anything, and helps significantly (at the cost of a little
1383  # extra space).
1384  freebsd2.2*)
1385    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
1386    hardcode_libdir_flag_spec='-R$libdir'
1387    hardcode_direct=yes
1388    hardcode_shlibpath_var=no
1389    ;;
1390
1391  # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1392  freebsd2*)
1393    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1394    hardcode_direct=yes
1395    hardcode_minus_L=yes
1396    hardcode_shlibpath_var=no
1397    ;;
1398
1399  # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1400  freebsd*)
1401    archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
1402    hardcode_libdir_flag_spec='-R$libdir'
1403    hardcode_direct=yes
1404    hardcode_shlibpath_var=no
1405    ;;
1406
1407  hpux9* | hpux10* | hpux11*)
1408    case "$host_os" in
1409    hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;;
1410    *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;;
1411    esac
1412    hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1413    hardcode_libdir_separator=:
1414    hardcode_direct=yes
1415    hardcode_minus_L=yes # Not in the search PATH, but as the default
1416			 # location of the library.
1417    export_dynamic_flag_spec='${wl}-E'
1418    ;;
1419
1420  irix5* | irix6*)
1421    if test "$with_gcc" = yes; then
1422      archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1423    else
1424      archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1425    fi
1426    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1427    hardcode_libdir_separator=:
1428    ;;
1429
1430  netbsd*)
1431    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1432      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'  # a.out
1433    else
1434      archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts'      # ELF
1435    fi
1436    hardcode_libdir_flag_spec='${wl}-R$libdir'
1437    hardcode_direct=yes
1438    hardcode_shlibpath_var=no
1439    ;;
1440
1441  openbsd*)
1442    hardcode_direct=yes
1443    hardcode_shlibpath_var=no
1444    case "$host_os" in
1445      openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*)
1446	archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
1447	hardcode_libdir_flag_spec='-R$libdir'
1448      ;;
1449      *)
1450	archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linkopts'
1451	hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
1452	 if [ "`/usr/bin/file /usr/lib/libc.so.* | grep ELF`" != "" ]; then
1453	   export_dynamic_flag_spec='${wl}-E'
1454	 fi
1455      ;;
1456    esac
1457    ;;
1458
1459  os2*)
1460    hardcode_libdir_flag_spec='-L$libdir'
1461    hardcode_minus_L=yes
1462    allow_undefined_flag=unsupported
1463    archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp $libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $linkopts $objdir/$libname.def'
1464    old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
1465    ;;
1466
1467  osf3*)
1468    if test "$with_gcc" = yes; then
1469      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1470      archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1471    else
1472      allow_undefined_flag=' -expect_unresolved \*'
1473      archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1474    fi
1475    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1476    hardcode_libdir_separator=:
1477    ;;
1478
1479  osf4* | osf5*)  # As osf3* with the addition of the -msym flag
1480    if test "$with_gcc" = yes; then
1481      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1482      archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
1483    else
1484      allow_undefined_flag=' -expect_unresolved \*'
1485      archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
1486    fi
1487    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1488    hardcode_libdir_separator=:
1489    ;;
1490  rhapsody*)
1491    archive_cmds='$CC -bundle -undefined suppress -o $lib $libobjs $deplibs $linkopts'
1492    hardcode_libdir_flags_spec='-L$libdir'
1493    hardcode_direct=yes
1494    hardcode_shlibpath_var=no
1495    ;;
1496
1497  sco3.2v5*)
1498    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1499    hardcode_shlibpath_var=no
1500    runpath_var=LD_RUN_PATH
1501    hardcode_runpath_var=yes
1502    ;;
1503
1504  solaris*)
1505    no_undefined_flag=' -z text'
1506    # $CC -shared without GNU ld will not create a library from C++
1507    # object files and a static libstdc++, better avoid it by now
1508    archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
1509    archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1510		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
1511    hardcode_libdir_flag_spec='-R$libdir'
1512    hardcode_shlibpath_var=no
1513    case "$host_os" in
1514    solaris2.[0-5] | solaris2.[0-5].*) ;;
1515    *) # Supported since Solaris 2.6 (maybe 2.5.1?)
1516      whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
1517    esac
1518    ;;
1519
1520  sunos4*)
1521    archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
1522    hardcode_libdir_flag_spec='-L$libdir'
1523    hardcode_direct=yes
1524    hardcode_minus_L=yes
1525    hardcode_shlibpath_var=no
1526    ;;
1527
1528  sysv4)
1529    if test "x$host_vendor" = xsequent; then
1530      # Use $CC to link under sequent, because it throws in some extra .o
1531      # files that make .init and .fini sections work.
1532      archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $linkopts'
1533    else
1534      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1535    fi
1536    runpath_var='LD_RUN_PATH'
1537    hardcode_shlibpath_var=no
1538    hardcode_direct=no #Motorola manual says yes, but my tests say they lie
1539    ;;
1540
1541  sysv4.3*)
1542    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1543    hardcode_shlibpath_var=no
1544    export_dynamic_flag_spec='-Bexport'
1545    ;;
1546
1547  sysv5*)
1548    no_undefined_flag=' -z text'
1549    # $CC -shared without GNU ld will not create a library from C++
1550    # object files and a static libstdc++, better avoid it by now
1551    archive_cmds='$LD -G${allow_undefined_flag} -h $rpath/$soname -o $lib $libobjs $deplibs $linkopts'
1552    archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1553		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
1554    hardcode_libdir_flag_spec=
1555    hardcode_shlibpath_var=no
1556    runpath_var='LD_RUN_PATH'
1557    ;;
1558
1559  uts4*)
1560    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1561    hardcode_libdir_flag_spec='-L$libdir'
1562    hardcode_shlibpath_var=no
1563    ;;
1564
1565  dgux*)
1566    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1567    hardcode_libdir_flag_spec='-L$libdir'
1568    hardcode_shlibpath_var=no
1569    ;;
1570
1571  sysv4*MP*)
1572    if test -d /usr/nec; then
1573      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1574      hardcode_shlibpath_var=no
1575      runpath_var=LD_RUN_PATH
1576      hardcode_runpath_var=yes
1577      ld_shlibs=yes
1578    fi
1579    ;;
1580
1581  sysv4.2uw2*)
1582    archive_cmds='$LD -G -o $lib $libobjs $deplibs $linkopts'
1583    hardcode_direct=yes
1584    hardcode_minus_L=no
1585    hardcode_shlibpath_var=no
1586    hardcode_runpath_var=yes
1587    runpath_var=LD_RUN_PATH
1588    ;;
1589
1590  unixware7*)
1591    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
1592    runpath_var='LD_RUN_PATH'
1593    hardcode_shlibpath_var=no
1594    ;;
1595
1596  *)
1597    ld_shlibs=no
1598    ;;
1599  esac
1600fi
1601echo "$ac_t$ld_shlibs" 1>&6
1602test "$ld_shlibs" = no && can_build_shared=no
1603
1604if test -z "$NM"; then
1605  echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
1606  case "$NM" in
1607  [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path.
1608  *)
1609    IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
1610    for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
1611      test -z "$ac_dir" && ac_dir=.
1612      if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then
1613	# Check to see if the nm accepts a BSD-compat flag.
1614	# Adding the `sed 1q' prevents false positives on HP-UX, which says:
1615	#   nm: unknown option "B" ignored
1616	if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1617	  NM="$ac_dir/nm -B"
1618	  break
1619	elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
1620	  NM="$ac_dir/nm -p"
1621	  break
1622	else
1623	  NM=${NM="$ac_dir/nm"} # keep the first match, but
1624	  continue # so that we can try to find one that supports BSD flags
1625	fi
1626      fi
1627    done
1628    IFS="$ac_save_ifs"
1629    test -z "$NM" && NM=nm
1630    ;;
1631  esac
1632  echo "$ac_t$NM" 1>&6
1633fi
1634
1635# Check for command to grab the raw symbol name followed by C symbol from nm.
1636echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
1637
1638# These are sane defaults that work on at least a few old systems.
1639# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
1640
1641# Character class describing NM global symbol codes.
1642symcode='[BCDEGRST]'
1643
1644# Regexp to match symbols that can be accessed directly from C.
1645sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
1646
1647# Transform the above into a raw symbol and a C symbol.
1648symxfrm='\1 \2\3 \3'
1649
1650# Transform an extracted symbol line into a proper C declaration
1651global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
1652
1653# Define system-specific variables.
1654case "$host_os" in
1655aix*)
1656  symcode='[BCDT]'
1657  ;;
1658cygwin* | mingw*)
1659  symcode='[ABCDGISTW]'
1660  ;;
1661hpux*) # Its linker distinguishes data from code symbols
1662  global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
1663  ;;
1664irix*)
1665  symcode='[BCDEGRST]'
1666  ;;
1667solaris*)
1668  symcode='[BDT]'
1669  ;;
1670sysv4)
1671  symcode='[DFNSTU]'
1672  ;;
1673esac
1674
1675# If we're using GNU nm, then use its standard symbol codes.
1676if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
1677  symcode='[ABCDGISTW]'
1678fi
1679
1680# Try without a prefix undercore, then with it.
1681for ac_symprfx in "" "_"; do
1682
1683  # Write the raw and C identifiers.
1684  global_symbol_pipe="sed -n -e 's/^.*[ 	]\($symcode\)[ 	][ 	]*\($ac_symprfx\)$sympat$/$symxfrm/p'"
1685
1686  # Check to see that the pipe works correctly.
1687  pipe_works=no
1688  $rm conftest*
1689  cat > conftest.c <<EOF
1690#ifdef __cplusplus
1691extern "C" {
1692#endif
1693char nm_test_var;
1694void nm_test_func(){}
1695#ifdef __cplusplus
1696}
1697#endif
1698main(){nm_test_var='a';nm_test_func();return(0);}
1699EOF
1700
1701  echo "$progname:1653: checking if global_symbol_pipe works" >&5
1702  if { (eval echo $progname:1654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then
1703    # Now try to grab the symbols.
1704    nlist=conftest.nm
1705    if { echo "$progname:1657: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then
1706
1707      # Try sorting and uniquifying the output.
1708      if sort "$nlist" | uniq > "$nlist"T; then
1709	mv -f "$nlist"T "$nlist"
1710      else
1711	rm -f "$nlist"T
1712      fi
1713
1714      # Make sure that we snagged all the symbols we need.
1715      if egrep ' nm_test_var$' "$nlist" >/dev/null; then
1716	if egrep ' nm_test_func$' "$nlist" >/dev/null; then
1717	  cat <<EOF > conftest.c
1718#ifdef __cplusplus
1719extern "C" {
1720#endif
1721
1722EOF
1723	  # Now generate the symbol file.
1724	  eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'
1725
1726	  cat <<EOF >> conftest.c
1727#if defined (__STDC__) && __STDC__
1728# define lt_ptr_t void *
1729#else
1730# define lt_ptr_t char *
1731# define const
1732#endif
1733
1734/* The mapping between symbol names and symbols. */
1735const struct {
1736  const char *name;
1737  lt_ptr_t address;
1738}
1739lt_preloaded_symbols[] =
1740{
1741EOF
1742	  sed 's/^. \(.*\) \(.*\)$/  {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c
1743	  cat <<\EOF >> conftest.c
1744  {0, (lt_ptr_t) 0}
1745};
1746
1747#ifdef __cplusplus
1748}
1749#endif
1750EOF
1751	  # Now try linking the two files.
1752	  mv conftest.$objext conftstm.$objext
1753	  save_LIBS="$LIBS"
1754	  save_CFLAGS="$CFLAGS"
1755	  LIBS="conftstm.$objext"
1756	  CFLAGS="$CFLAGS$no_builtin_flag"
1757	  if { (eval echo $progname:1709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
1758	    pipe_works=yes
1759	  else
1760	    echo "$progname: failed program was:" >&5
1761	    cat conftest.c >&5
1762	  fi
1763	  LIBS="$save_LIBS"
1764	else
1765	  echo "cannot find nm_test_func in $nlist" >&5
1766	fi
1767      else
1768	echo "cannot find nm_test_var in $nlist" >&5
1769      fi
1770    else
1771      echo "cannot run $global_symbol_pipe" >&5
1772    fi
1773  else
1774    echo "$progname: failed program was:" >&5
1775    cat conftest.c >&5
1776  fi
1777  $rm conftest* conftst*
1778
1779  # Do not use the global_symbol_pipe unless it works.
1780  if test "$pipe_works" = yes; then
1781    break
1782  else
1783    global_symbol_pipe=
1784  fi
1785done
1786if test "$pipe_works" = yes; then
1787  echo "${ac_t}ok" 1>&6
1788else
1789  echo "${ac_t}failed" 1>&6
1790fi
1791
1792if test -z "$global_symbol_pipe"; then
1793  global_symbol_to_cdecl=
1794fi
1795
1796# Check hardcoding attributes.
1797echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6
1798hardcode_action=
1799if test -n "$hardcode_libdir_flag_spec" || \
1800   test -n "$runpath_var"; then
1801
1802  # We can hardcode non-existant directories.
1803  if test "$hardcode_direct" != no &&
1804     # If the only mechanism to avoid hardcoding is shlibpath_var, we
1805     # have to relink, otherwise we might link with an installed library
1806     # when we should be linking with a yet-to-be-installed one
1807     ## test "$hardcode_shlibpath_var" != no &&
1808     test "$hardcode_minus_L" != no; then
1809    # Linking always hardcodes the temporary library directory.
1810    hardcode_action=relink
1811  else
1812    # We can link without hardcoding, and we can hardcode nonexisting dirs.
1813    hardcode_action=immediate
1814  fi
1815else
1816  # We cannot hardcode anything, or else we can only hardcode existing
1817  # directories.
1818  hardcode_action=unsupported
1819fi
1820echo "$ac_t$hardcode_action" 1>&6
1821
1822
1823reload_flag=
1824reload_cmds='$LD$reload_flag -o $output$reload_objs'
1825echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6
1826# PORTME Some linkers may need a different reload flag.
1827reload_flag='-r'
1828echo "$ac_t$reload_flag" 1>&6
1829test -n "$reload_flag" && reload_flag=" $reload_flag"
1830
1831# PORTME Fill in your ld.so characteristics
1832library_names_spec=
1833libname_spec='lib$name'
1834soname_spec=
1835postinstall_cmds=
1836postuninstall_cmds=
1837finish_cmds=
1838finish_eval=
1839shlibpath_var=
1840shlibpath_overrides_runpath=unknown
1841version_type=none
1842dynamic_linker="$host_os ld.so"
1843sys_lib_dlsearch_path_spec="/lib /usr/lib"
1844sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1845file_magic_cmd=
1846file_magic_test_file=
1847deplibs_check_method='unknown'
1848# Need to set the preceding variable on all platforms that support
1849# interlibrary dependencies.
1850# 'none' -- dependencies not supported.
1851# `unknown' -- same as none, but documents that we really don't know.
1852# 'pass_all' -- all dependencies passed with no checks.
1853# 'test_compile' -- check by making test program.
1854# 'file_magic [regex]' -- check by looking for files in library path
1855# which responds to the $file_magic_cmd with a given egrep regex.
1856# If you have `file' or equivalent on your system and you're not sure
1857# whether `pass_all' will *always* work, you probably want this one.
1858echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6
1859case "$host_os" in
1860aix3*)
1861  version_type=linux
1862  library_names_spec='${libname}${release}.so$versuffix $libname.a'
1863  shlibpath_var=LIBPATH
1864
1865  # AIX has no versioning support, so we append a major version to the name.
1866  soname_spec='${libname}${release}.so$major'
1867  ;;
1868
1869aix4*)
1870  version_type=linux
1871  # AIX has no versioning support, so currently we can not hardcode correct
1872  # soname into executable. Probably we can add versioning support to
1873  # collect2, so additional links can be useful in future.
1874  # We preserve .a as extension for shared libraries though AIX4.2
1875  # and later linker supports .so
1876  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'
1877  shlibpath_var=LIBPATH
1878  deplibs_check_method=pass_all
1879  ;;
1880
1881amigaos*)
1882  library_names_spec='$libname.ixlibrary $libname.a'
1883  # Create ${libname}_ixlibrary.a entries in /sys/libs.
1884  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 ${libname}_ixlibrary.a) || exit 1; done'
1885  ;;
1886
1887beos*)
1888  library_names_spec='${libname}.so'
1889  dynamic_linker="$host_os ld.so"
1890  shlibpath_var=LIBRARY_PATH
1891  deplibs_check_method=pass_all
1892  lt_cv_dlopen="load_add_on"
1893  lt_cv_dlopen_libs=
1894  lt_cv_dlopen_self=yes
1895  ;;
1896
1897bsdi4*)
1898  version_type=linux
1899  need_version=no
1900  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1901  soname_spec='${libname}${release}.so$major'
1902  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
1903  shlibpath_var=LD_LIBRARY_PATH
1904  deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'
1905  file_magic_cmd=/usr/bin/file
1906  file_magic_test_file=/shlib/libc.so
1907  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
1908  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
1909  export_dynamic_flag_spec=-rdynamic
1910  # the default ld.so.conf also contains /usr/contrib/lib and
1911  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
1912  # libtool to hard-code these into programs
1913  ;;
1914
1915cygwin* | mingw*)
1916  version_type=windows
1917  need_version=no
1918  need_lib_prefix=no
1919  if test "$with_gcc" = yes; then
1920    library_names_spec='`echo ${libname} | sed -e 's/^lib//g'`.dll $libname.a'
1921  else
1922    library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'
1923  fi
1924  dynamic_linker='Win32 ld.exe'
1925  deplibs_check_method='file_magic file format pe-i386(.*architecture: i386)?'
1926  file_magic_cmd='${OBJDUMP} -f'
1927  # FIXME: first we should search . and the directory the executable is in
1928  shlibpath_var=PATH
1929  if test "$with_gcc" = yes; then
1930    # See where the system libraries really are - /usr/lib won't cut it
1931    libuser32=`$CC --print-file-name=libuser32.a`
1932    win32libs=`expr $libuser32 : '\(.*\)/.*'`
1933    sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api $win32libs"
1934  fi
1935  lt_cv_dlopen="LoadLibrary"
1936  lt_cv_dlopen_libs=
1937  ;;
1938
1939freebsd1*)
1940  dynamic_linker=no
1941  ;;
1942
1943freebsd*)
1944  objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
1945  version_type=freebsd-$objformat
1946  case "$version_type" in
1947    freebsd-elf*)
1948      deplibs_check_method='pass_all'
1949
1950      file_magic_cmd=/usr/bin/file
1951      file_magic_test_file=`echo /usr/lib/libc.so*`
1952      library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
1953      need_version=no
1954      need_lib_prefix=no
1955      ;;
1956    freebsd-*)
1957      deplibs_check_method=unknown
1958      library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
1959      need_version=yes
1960      ;;
1961  esac
1962  shlibpath_var=LD_LIBRARY_PATH
1963  case "$host_os" in
1964  freebsd2* | freebsd3.[01]* | freebsdelf3.[01]*)
1965    shlibpath_overrides_runpath=yes
1966    ;;
1967  *) # from 3.2 on
1968    shlibpath_overrides_runpath=no
1969    ;;
1970  esac
1971  ;;
1972
1973gnu*)
1974  version_type=linux
1975  need_lib_prefix=no
1976  need_version=no
1977  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'
1978  soname_spec='${libname}${release}.so$major'
1979  shlibpath_var=LD_LIBRARY_PATH
1980  ;;
1981
1982hpux9* | hpux10* | hpux11*)
1983  # Give a soname corresponding to the major version so that dld.sl refuses to
1984  # link against other versions.
1985  dynamic_linker="$host_os dld.sl"
1986  version_type=sunos
1987  need_lib_prefix=no
1988  need_version=no
1989  shlibpath_var=SHLIB_PATH
1990  shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
1991  library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
1992  soname_spec='${libname}${release}.sl$major'
1993  # HP-UX runs *really* slowly unless shared libraries are mode 555.
1994  postinstall_cmds='chmod 555 $lib'
1995  case "$host_os" in
1996  hpux10.20*)
1997    # TODO:  Does this work for hpux-11 too?
1998  #  deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'
1999    deplibs_check_method="unknown"
2000    file_magic_cmd=/usr/bin/file
2001    file_magic_test_file=/usr/lib/libc.sl
2002    ;;
2003  esac
2004  ;;
2005
2006irix5* | irix6*)
2007  version_type=irix
2008  need_lib_prefix=no
2009  need_version=no
2010  soname_spec='${libname}${release}.so.$major'
2011  library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so'
2012  case "$host_os" in
2013  irix5*)
2014    libsuff= shlibsuff=
2015    # this will be overridden with pass_all, but let us keep it just in case
2016    deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
2017    ;;
2018  *)
2019    case "$LD" in # libtool.m4 will add one of these switches to LD
2020    *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
2021    *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
2022    *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
2023    *) libsuff= shlibsuff= libmagic=never-match;;
2024    esac
2025    ;;
2026  esac
2027  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
2028  shlibpath_overrides_runpath=no
2029  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
2030  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
2031  file_magic_cmd=/usr/bin/file
2032  file_magic_test_file=`echo /lib${libsuff}/libc.so*`
2033  deplibs_check_method='pass_all'
2034  ;;
2035
2036# No shared lib support for Linux oldld, aout, or coff.
2037linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
2038  dynamic_linker=no
2039  ;;
2040
2041# This must be Linux ELF.
2042linux-gnu*)
2043  version_type=linux
2044  need_lib_prefix=no
2045  need_version=no
2046  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2047  soname_spec='${libname}${release}.so$major'
2048  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
2049  shlibpath_var=LD_LIBRARY_PATH
2050  shlibpath_overrides_runpath=no
2051  deplibs_check_method=pass_all
2052
2053  if test -f /lib/ld.so.1; then
2054    dynamic_linker='GNU ld.so'
2055  else
2056    # Only the GNU ld.so supports shared libraries on MkLinux.
2057    case "$host_cpu" in
2058    powerpc*) dynamic_linker=no ;;
2059    *) dynamic_linker='Linux ld.so' ;;
2060    esac
2061  fi
2062  ;;
2063
2064netbsd*)
2065  version_type=sunos
2066  if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
2067    library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2068    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
2069    dynamic_linker='NetBSD (a.out) ld.so'
2070  else
2071    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
2072    soname_spec='${libname}${release}.so$major'
2073    dynamic_linker='NetBSD ld.elf_so'
2074  fi
2075  shlibpath_var=LD_LIBRARY_PATH
2076  ;;
2077
2078openbsd*)
2079  version_type=sunos
2080  library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2081  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
2082  shlibpath_var=LD_LIBRARY_PATH
2083  deplibs_check_method='pass_all'
2084  ;;
2085
2086os2*)
2087  libname_spec='$name'
2088  need_lib_prefix=no
2089  library_names_spec='$libname.dll $libname.a'
2090  dynamic_linker='OS/2 ld.exe'
2091  shlibpath_var=LIBPATH
2092  ;;
2093
2094osf3* | osf4* | osf5*)
2095  version_type=osf
2096  need_version=no
2097  soname_spec='${libname}${release}.so'
2098  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
2099  shlibpath_var=LD_LIBRARY_PATH
2100  # this will be overridden with pass_all, but let us keep it just in case
2101  deplibs_check_method='file_magic COFF format alpha shared library'
2102  file_magic_cmd=/usr/bin/file
2103  file_magic_test_file=/shlib/libc.so
2104  deplibs_check_method='pass_all'
2105  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
2106  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
2107  ;;
2108
2109rhapsody*)
2110  version_type=sunos
2111  library_names_spec='${libname}.so'
2112  soname_spec='${libname}.so'
2113  shlibpath_var=DYLD_LIBRARY_PATH
2114  deplibs_check_method=pass_all
2115  ;;
2116
2117sco3.2v5*)
2118  version_type=osf
2119  soname_spec='${libname}${release}.so$major'
2120  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2121  shlibpath_var=LD_LIBRARY_PATH
2122  ;;
2123
2124solaris*)
2125  version_type=linux
2126  need_lib_prefix=no
2127  need_version=no
2128  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2129  soname_spec='${libname}${release}.so$major'
2130  shlibpath_var=LD_LIBRARY_PATH
2131  shlibpath_overrides_runpath=yes
2132  # ldd complains unless libraries are executable
2133  postinstall_cmds='chmod +x $lib'
2134  deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib"
2135  file_magic_cmd=/usr/bin/file
2136  file_magic_test_file=/lib/libc.so
2137  ;;
2138
2139sunos4*)
2140  version_type=sunos
2141  library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2142  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
2143  shlibpath_var=LD_LIBRARY_PATH
2144  shlibpath_overrides_runpath=yes
2145  if test "$with_gnu_ld" = yes; then
2146    need_lib_prefix=no
2147  fi
2148  need_version=yes
2149  ;;
2150
2151sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
2152  version_type=linux
2153  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2154  soname_spec='${libname}${release}.so$major'
2155  shlibpath_var=LD_LIBRARY_PATH
2156  case "$host_vendor" in
2157    sequent)
2158      file_magic_cmd='/bin/file'
2159      deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )'
2160      ;;
2161    ncr)
2162      deplibs_check_method='pass_all'
2163      ;;
2164    motorola)
2165      need_lib_prefix=no
2166      need_version=no
2167      shlibpath_overrides_runpath=no
2168      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
2169      deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]'
2170      file_magic_cmd=/usr/bin/file
2171      file_magic_test_file=`echo /usr/lib/libc.so*`
2172      ;;
2173  esac
2174  ;;
2175
2176uts4*)
2177  version_type=linux
2178  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2179  soname_spec='${libname}${release}.so$major'
2180  shlibpath_var=LD_LIBRARY_PATH
2181  ;;
2182
2183dgux*)
2184  version_type=linux
2185  need_lib_prefix=no
2186  need_version=no
2187  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2188  soname_spec='${libname}${release}.so$major'
2189  shlibpath_var=LD_LIBRARY_PATH
2190  ;;
2191
2192sysv4*MP*)
2193  if test -d /usr/nec ;then
2194    version_type=linux
2195    library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
2196    soname_spec='$libname.so.$major'
2197    shlibpath_var=LD_LIBRARY_PATH
2198  fi
2199  ;;
2200
2201*)
2202  dynamic_linker=no
2203  ;;
2204esac
2205echo "$ac_t$dynamic_linker" 1>&6
2206test "$dynamic_linker" = no && can_build_shared=no
2207
2208# Report the final consequences.
2209echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6
2210
2211# Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in
2212# configure.in, otherwise build static only libraries.
2213case "$host_os" in
2214cygwin* | mingw* | os2*)
2215  if test x$can_build_shared = xyes; then
2216    test x$enable_win32_dll = xno && can_build_shared=no
2217    echo "checking if package supports dlls... $can_build_shared" 1>&6
2218  fi
2219;;
2220esac
2221
2222if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then
2223  case "$deplibs_check_method" in
2224  "file_magic "*)
2225    file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
2226    if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
2227       egrep "$file_magic_regex" > /dev/null; then
2228      :
2229    else
2230      cat <<EOF 1>&2
2231
2232*** Warning: the command libtool uses to detect shared libraries,
2233*** $file_magic_cmd, produces output that libtool cannot recognize.
2234*** The result is that libtool may fail to recognize shared libraries
2235*** as such.  This will affect the creation of libtool libraries that
2236*** depend on shared libraries, but programs linked with such libtool
2237*** libraries will work regardless of this problem.  Nevertheless, you
2238*** may want to report the problem to your system manager and/or to
2239*** bug-libtool@gnu.org
2240
2241EOF
2242    fi ;;
2243  esac
2244fi
2245
2246echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6
2247test "$can_build_shared" = "no" && enable_shared=no
2248
2249# On AIX, shared libraries and static libraries use the same namespace, and
2250# are all built from PIC.
2251case "$host_os" in
2252aix3*)
2253  test "$enable_shared" = yes && enable_static=no
2254  if test -n "$RANLIB"; then
2255    archive_cmds="$archive_cmds~\$RANLIB \$lib"
2256    postinstall_cmds='$RANLIB $lib'
2257  fi
2258  ;;
2259
2260aix4*)
2261  test "$enable_shared" = yes && enable_static=no
2262  ;;
2263esac
2264
2265echo "$ac_t$enable_shared" 1>&6
2266
2267# Make sure either enable_shared or enable_static is yes.
2268test "$enable_shared" = yes || enable_static=yes
2269
2270echo "checking whether to build static libraries... $enable_static" 1>&6
2271
2272if test "$hardcode_action" = relink; then
2273  # Fast installation is not supported
2274  enable_fast_install=no
2275elif test "$shlibpath_overrides_runpath" = yes ||
2276     test "$enable_shared" = no; then
2277  # Fast installation is not necessary
2278  enable_fast_install=needless
2279fi
2280
2281echo $ac_n "checking for objdir... $ac_c" 1>&6
2282rm -f .libs 2>/dev/null
2283mkdir .libs 2>/dev/null
2284if test -d .libs; then
2285  objdir=.libs
2286else
2287  # MS-DOS does not allow filenames that begin with a dot.
2288  objdir=_libs
2289fi
2290rmdir .libs 2>/dev/null
2291echo "$ac_t$objdir" 1>&6
2292
2293if test "x$enable_dlopen" != xyes; then
2294  enable_dlopen=unknown
2295  enable_dlopen_self=unknown
2296  enable_dlopen_self_static=unknown
2297else
2298if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then
2299  lt_cv_dlopen=no lt_cv_dlopen_libs=
2300echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6
2301echo "$progname:2248: checking for dlopen in -ldl" >&5
2302ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'`
2303if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2304  echo $ac_n "(cached) $ac_c" 1>&6
2305else
2306  ac_save_LIBS="$LIBS"
2307LIBS="-ldl  $LIBS"
2308cat > conftest.$ac_ext <<EOF
2309#line 2256 "ltconfig"
2310/* Override any gcc2 internal prototype to avoid an error.  */
2311/* We use char because int might match the return type of a gcc2
2312    builtin and then its argument prototype would still apply.  */
2313#ifdef __cplusplus
2314extern "C"
2315#endif
2316char dlopen();
2317
2318int main() {
2319dlopen()
2320; return 0; }
2321EOF
2322if { (eval echo $progname:2269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2323  rm -rf conftest*
2324  eval "ac_cv_lib_$ac_lib_var=yes"
2325else
2326  echo "$progname: failed program was:" >&5
2327  cat conftest.$ac_ext >&5
2328  rm -rf conftest*
2329  eval "ac_cv_lib_$ac_lib_var=no"
2330fi
2331rm -f conftest*
2332LIBS="$ac_save_LIBS"
2333
2334fi
2335if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2336  echo "$ac_t""yes" 1>&6
2337  lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"
2338else
2339  echo "$ac_t""no" 1>&6
2340echo $ac_n "checking for dlopen""... $ac_c" 1>&6
2341echo "$progname:2288: checking for dlopen" >&5
2342if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then
2343  echo $ac_n "(cached) $ac_c" 1>&6
2344else
2345  cat > conftest.$ac_ext <<EOF
2346#line 2293 "ltconfig"
2347/* System header to define __stub macros and hopefully few prototypes,
2348    which can conflict with char dlopen(); below.  */
2349#include <assert.h>
2350/* Override any gcc2 internal prototype to avoid an error.  */
2351/* We use char because int might match the return type of a gcc2
2352    builtin and then its argument prototype would still apply.  */
2353#ifdef __cplusplus
2354extern "C"
2355#endif
2356char dlopen();
2357
2358int main() {
2359
2360/* The GNU C library defines this for functions which it implements
2361    to always fail with ENOSYS.  Some functions are actually named
2362    something starting with __ and the normal name is an alias.  */
2363#if defined (__stub_dlopen) || defined (__stub___dlopen)
2364choke me
2365#else
2366dlopen();
2367#endif
2368
2369; return 0; }
2370EOF
2371if { (eval echo $progname:2318: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2372  rm -rf conftest*
2373  eval "ac_cv_func_dlopen=yes"
2374else
2375  echo "$progname: failed program was:" >&5
2376  cat conftest.$ac_ext >&5
2377  rm -rf conftest*
2378  eval "ac_cv_func_dlopen=no"
2379fi
2380rm -f conftest*
2381fi
2382if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then
2383  echo "$ac_t""yes" 1>&6
2384  lt_cv_dlopen="dlopen"
2385else
2386  echo "$ac_t""no" 1>&6
2387echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6
2388echo "$progname:2335: checking for dld_link in -ldld" >&5
2389ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'`
2390if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2391  echo $ac_n "(cached) $ac_c" 1>&6
2392else
2393  ac_save_LIBS="$LIBS"
2394LIBS="-ldld  $LIBS"
2395cat > conftest.$ac_ext <<EOF
2396#line 2343 "ltconfig"
2397/* Override any gcc2 internal prototype to avoid an error.  */
2398/* We use char because int might match the return type of a gcc2
2399    builtin and then its argument prototype would still apply.  */
2400#ifdef __cplusplus
2401extern "C"
2402#endif
2403char dld_link();
2404
2405int main() {
2406dld_link()
2407; return 0; }
2408EOF
2409if { (eval echo $progname:2356: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2410  rm -rf conftest*
2411  eval "ac_cv_lib_$ac_lib_var=yes"
2412else
2413  echo "$progname: failed program was:" >&5
2414  cat conftest.$ac_ext >&5
2415  rm -rf conftest*
2416  eval "ac_cv_lib_$ac_lib_var=no"
2417fi
2418rm -f conftest*
2419LIBS="$ac_save_LIBS"
2420
2421fi
2422if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2423  echo "$ac_t""yes" 1>&6
2424  lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld"
2425else
2426  echo "$ac_t""no" 1>&6
2427echo $ac_n "checking for shl_load""... $ac_c" 1>&6
2428echo "$progname:2375: checking for shl_load" >&5
2429if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then
2430  echo $ac_n "(cached) $ac_c" 1>&6
2431else
2432  cat > conftest.$ac_ext <<EOF
2433#line 2380 "ltconfig"
2434/* System header to define __stub macros and hopefully few prototypes,
2435    which can conflict with char shl_load(); below.  */
2436#include <assert.h>
2437/* Override any gcc2 internal prototype to avoid an error.  */
2438/* We use char because int might match the return type of a gcc2
2439    builtin and then its argument prototype would still apply.  */
2440#ifdef __cplusplus
2441extern "C"
2442#endif
2443char shl_load();
2444
2445int main() {
2446
2447/* The GNU C library defines this for functions which it implements
2448    to always fail with ENOSYS.  Some functions are actually named
2449    something starting with __ and the normal name is an alias.  */
2450#if defined (__stub_shl_load) || defined (__stub___shl_load)
2451choke me
2452#else
2453shl_load();
2454#endif
2455
2456; return 0; }
2457EOF
2458if { (eval echo $progname:2405: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2459  rm -rf conftest*
2460  eval "ac_cv_func_shl_load=yes"
2461else
2462  echo "$progname: failed program was:" >&5
2463  cat conftest.$ac_ext >&5
2464  rm -rf conftest*
2465  eval "ac_cv_func_shl_load=no"
2466fi
2467rm -f conftest*
2468fi
2469
2470if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then
2471  echo "$ac_t""yes" 1>&6
2472  lt_cv_dlopen="shl_load"
2473else
2474  echo "$ac_t""no" 1>&6
2475echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6
2476echo "$progname:2423: checking for shl_load in -ldld" >&5
2477ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'`
2478if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
2479  echo $ac_n "(cached) $ac_c" 1>&6
2480else
2481  ac_save_LIBS="$LIBS"
2482LIBS="-ldld  $LIBS"
2483cat > conftest.$ac_ext <<EOF
2484#line 2431 "ltconfig"
2485#include "confdefs.h"
2486/* Override any gcc2 internal prototype to avoid an error.  */
2487/* We use char because int might match the return type of a gcc2
2488    builtin and then its argument prototype would still apply.  */
2489#ifdef __cplusplus
2490extern "C"
2491#endif
2492char shl_load();
2493
2494int main() {
2495shl_load()
2496; return 0; }
2497EOF
2498if { (eval echo $progname:2445: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
2499  rm -rf conftest*
2500  eval "ac_cv_lib_$ac_lib_var=yes"
2501else
2502  echo "$progname: failed program was:" >&5
2503  cat conftest.$ac_ext >&5
2504  rm -rf conftest*
2505  eval "ac_cv_lib_$ac_lib_var=no"
2506fi
2507rm -f conftest*
2508LIBS="$ac_save_LIBS"
2509
2510fi
2511if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
2512  echo "$ac_t""yes" 1>&6
2513  lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld"
2514else
2515  echo "$ac_t""no" 1>&6
2516fi
2517
2518
2519fi
2520
2521
2522fi
2523
2524
2525fi
2526
2527
2528fi
2529
2530fi
2531
2532  if test "x$lt_cv_dlopen" != xno; then
2533    enable_dlopen=yes
2534  fi
2535
2536  case "$lt_cv_dlopen" in
2537  dlopen)
2538for ac_hdr in dlfcn.h; do
2539ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'`
2540echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
2541echo "$progname:2488: checking for $ac_hdr" >&5
2542if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
2543  echo $ac_n "(cached) $ac_c" 1>&6
2544else
2545  cat > conftest.$ac_ext <<EOF
2546#line 2493 "ltconfig"
2547#include <$ac_hdr>
2548int fnord = 0;
2549EOF
2550ac_try="$ac_compile >/dev/null 2>conftest.out"
2551{ (eval echo $progname:2498: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
2552ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
2553if test -z "$ac_err"; then
2554  rm -rf conftest*
2555  eval "ac_cv_header_$ac_safe=yes"
2556else
2557  echo "$ac_err" >&5
2558  echo "$progname: failed program was:" >&5
2559  cat conftest.$ac_ext >&5
2560  rm -rf conftest*
2561  eval "ac_cv_header_$ac_safe=no"
2562fi
2563rm -f conftest*
2564fi
2565if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
2566  echo "$ac_t""yes" 1>&6
2567else
2568  echo "$ac_t""no" 1>&6
2569fi
2570done
2571
2572    if test "x$ac_cv_header_dlfcn_h" = xyes; then
2573      CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
2574    fi
2575    eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
2576    LIBS="$lt_cv_dlopen_libs $LIBS"
2577
2578  echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6
2579echo "$progname:2526: checking whether a program can dlopen itself" >&5
2580if test "${lt_cv_dlopen_self+set}" = set; then
2581  echo $ac_n "(cached) $ac_c" 1>&6
2582else
2583  if test "$cross_compiling" = yes; then
2584    lt_cv_dlopen_self=cross
2585  else
2586    cat > conftest.c <<EOF
2587#line 2534 "ltconfig"
2588
2589#if HAVE_DLFCN_H
2590#include <dlfcn.h>
2591#endif
2592
2593#include <stdio.h>
2594
2595#ifdef RTLD_GLOBAL
2596# define LTDL_GLOBAL	RTLD_GLOBAL
2597#else
2598# ifdef DL_GLOBAL
2599#  define LTDL_GLOBAL	DL_GLOBAL
2600# else
2601#  define LTDL_GLOBAL	0
2602# endif
2603#endif
2604
2605/* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2606   find out it does not work in some platform. */
2607#ifndef LTDL_LAZY_OR_NOW
2608# ifdef RTLD_LAZY
2609#  define LTDL_LAZY_OR_NOW	RTLD_LAZY
2610# else
2611#  ifdef DL_LAZY
2612#   define LTDL_LAZY_OR_NOW	DL_LAZY
2613#  else
2614#   ifdef RTLD_NOW
2615#    define LTDL_LAZY_OR_NOW	RTLD_NOW
2616#   else
2617#    ifdef DL_NOW
2618#     define LTDL_LAZY_OR_NOW	DL_NOW
2619#    else
2620#     define LTDL_LAZY_OR_NOW	0
2621#    endif
2622#   endif
2623#  endif
2624# endif
2625#endif
2626
2627fnord() { int i=42;}
2628main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2629    if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2630	       if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } 
2631
2632EOF
2633if { (eval echo $progname:2580: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2634then
2635  lt_cv_dlopen_self=yes
2636else
2637  echo "$progname: failed program was:" >&5
2638  cat conftest.$ac_ext >&5
2639  rm -fr conftest*
2640  lt_cv_dlopen_self=no
2641fi
2642rm -fr conftest*
2643fi
2644
2645fi
2646
2647echo "$ac_t""$lt_cv_dlopen_self" 1>&6
2648
2649  if test "$lt_cv_dlopen_self" = yes; then
2650    LDFLAGS="$LDFLAGS $link_static_flag"
2651  echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6
2652echo "$progname:2599: checking whether a statically linked program can dlopen itself" >&5
2653if test "${lt_cv_dlopen_self_static+set}" = set; then
2654  echo $ac_n "(cached) $ac_c" 1>&6
2655else
2656  if test "$cross_compiling" = yes; then
2657    lt_cv_dlopen_self_static=cross
2658  else
2659    cat > conftest.c <<EOF
2660#line 2607 "ltconfig"
2661
2662#if HAVE_DLFCN_H
2663#include <dlfcn.h>
2664#endif
2665
2666#include <stdio.h>
2667
2668#ifdef RTLD_GLOBAL
2669# define LTDL_GLOBAL	RTLD_GLOBAL
2670#else
2671# ifdef DL_GLOBAL
2672#  define LTDL_GLOBAL	DL_GLOBAL
2673# else
2674#  define LTDL_GLOBAL	0
2675# endif
2676#endif
2677
2678/* We may have to define LTDL_LAZY_OR_NOW in the command line if we
2679   find out it does not work in some platform. */
2680#ifndef LTDL_LAZY_OR_NOW
2681# ifdef RTLD_LAZY
2682#  define LTDL_LAZY_OR_NOW	RTLD_LAZY
2683# else
2684#  ifdef DL_LAZY
2685#   define LTDL_LAZY_OR_NOW	DL_LAZY
2686#  else
2687#   ifdef RTLD_NOW
2688#    define LTDL_LAZY_OR_NOW	RTLD_NOW
2689#   else
2690#    ifdef DL_NOW
2691#     define LTDL_LAZY_OR_NOW	DL_NOW
2692#    else
2693#     define LTDL_LAZY_OR_NOW	0
2694#    endif
2695#   endif
2696#  endif
2697# endif
2698#endif
2699
2700fnord() { int i=42;}
2701main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW);
2702    if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord");
2703    if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } 
2704
2705EOF
2706if { (eval echo $progname:2653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
2707then
2708  lt_cv_dlopen_self_static=yes
2709else
2710  echo "$progname: failed program was:" >&5
2711  cat conftest.$ac_ext >&5
2712  rm -fr conftest*
2713  lt_cv_dlopen_self_static=no
2714fi
2715rm -fr conftest*
2716fi
2717
2718fi
2719
2720echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6
2721fi
2722    ;;
2723  esac
2724
2725  case "$lt_cv_dlopen_self" in
2726  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
2727  *) enable_dlopen_self=unknown ;;
2728  esac
2729
2730  case "$lt_cv_dlopen_self_static" in
2731  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
2732  *) enable_dlopen_self_static=unknown ;;
2733  esac
2734fi
2735
2736# Copy echo and quote the copy, instead of the original, because it is
2737# used later.
2738ltecho="$echo"
2739if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then
2740   ltecho="$CONFIG_SHELL \$0 --fallback-echo"
2741fi
2742LTSHELL="$SHELL"
2743
2744LTCONFIG_VERSION="$VERSION"
2745
2746# Only quote variables if we're using ltmain.sh.
2747case "$ltmain" in
2748*.sh)
2749  # Now quote all the things that may contain metacharacters.
2750  for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \
2751    old_LD old_LDFLAGS old_LIBS \
2752    old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \
2753    AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \
2754    reload_flag reload_cmds wl \
2755    pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
2756    thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2757    library_names_spec soname_spec \
2758    RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
2759    old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \
2760    file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \
2761    finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2762    hardcode_libdir_flag_spec hardcode_libdir_separator  \
2763    sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2764    compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
2765
2766    case "$var" in
2767    reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
2768    old_postinstall_cmds | old_postuninstall_cmds | \
2769    export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
2770    postinstall_cmds | postuninstall_cmds | \
2771    finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
2772      # Double-quote double-evaled strings.
2773      eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
2774      ;;
2775    *)
2776      eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2777      ;;
2778    esac
2779  done
2780
2781  case "$ltecho" in
2782  *'\$0 --fallback-echo"')
2783    ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
2784    ;;
2785  esac
2786
2787  trap "$rm \"$ofile\"; exit 1" 1 2 15
2788  echo "creating $ofile"
2789  $rm "$ofile"
2790  cat <<EOF > "$ofile"
2791#! $SHELL
2792
2793# `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
2794# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2795# NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh.
2796#
2797# Copyright (C) 1996-1999 Free Software Foundation, Inc.
2798# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2799#
2800# This program is free software; you can redistribute it and/or modify
2801# it under the terms of the GNU General Public License as published by
2802# the Free Software Foundation; either version 2 of the License, or
2803# (at your option) any later version.
2804#
2805# This program is distributed in the hope that it will be useful, but
2806# WITHOUT ANY WARRANTY; without even the implied warranty of
2807# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
2808# General Public License for more details.
2809#
2810# You should have received a copy of the GNU General Public License
2811# along with this program; if not, write to the Free Software
2812# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2813#
2814# As a special exception to the GNU General Public License, if you
2815# distribute this file as part of a program that contains a
2816# configuration script generated by Autoconf, you may include it under
2817# the same distribution terms that you use for the rest of that program.
2818
2819# Sed that helps us avoid accidentally triggering echo(1) options like -n.
2820Xsed="sed -e s/^X//"
2821
2822# The HP-UX ksh and POSIX shell print the target directory to stdout
2823# if CDPATH is set.
2824if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
2825
2826### BEGIN LIBTOOL CONFIG
2827EOF
2828  cfgfile="$ofile"
2829  ;;
2830
2831*)
2832  # Double-quote the variables that need it (for aesthetics).
2833  for var in old_CC old_CFLAGS old_CPPFLAGS \
2834    old_LD old_LDFLAGS old_LIBS \
2835    old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do
2836    eval "$var=\\\"\$var\\\""
2837  done
2838
2839  # Just create a config file.
2840  cfgfile="$ofile.cfg"
2841  trap "$rm \"$cfgfile\"; exit 1" 1 2 15
2842  echo "creating $cfgfile"
2843  $rm "$cfgfile"
2844  cat <<EOF > "$cfgfile"
2845# `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file.
2846# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2847EOF
2848  ;;
2849esac
2850
2851cat <<EOF >> "$cfgfile"
2852# Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
2853#
2854# CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\
2855# LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\
2856# NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\
2857# DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\
2858#   $0$ltconfig_args
2859#
2860# Compiler and other test output produced by $progname, useful for
2861# debugging $progname, is in ./config.log if it exists.
2862
2863# The version of $progname that generated this script.
2864LTCONFIG_VERSION=$LTCONFIG_VERSION
2865
2866# Shell to use when invoking shell scripts.
2867SHELL=$LTSHELL
2868
2869# Whether or not to build shared libraries.
2870build_libtool_libs=$enable_shared
2871
2872# Whether or not to build static libraries.
2873build_old_libs=$enable_static
2874
2875# Whether or not to optimize for fast installation.
2876fast_install=$enable_fast_install
2877
2878# The host system.
2879host_alias=$host_alias
2880host=$host
2881
2882# An echo program that does not interpret backslashes.
2883echo=$ltecho
2884
2885# The archiver.
2886AR=$AR
2887
2888# The default C compiler.
2889CC=$CC
2890
2891# The linker used to build libraries.
2892LD=$LD
2893
2894# Whether we need hard or soft links.
2895LN_S=$LN_S
2896
2897# A BSD-compatible nm program.
2898NM=$NM
2899
2900# Used on cygwin: DLL creation program.
2901DLLTOOL="$DLLTOOL"
2902
2903# Used on cygwin: object dumper.
2904OBJDUMP="$OBJDUMP"
2905
2906# Used on cygwin: assembler.
2907AS="$AS"
2908
2909# The name of the directory that contains temporary libtool files.
2910objdir=$objdir
2911
2912# How to create reloadable object files.
2913reload_flag=$reload_flag
2914reload_cmds=$reload_cmds
2915
2916# How to pass a linker flag through the compiler.
2917wl=$wl
2918
2919# Object file suffix (normally "o").
2920objext="$objext"
2921
2922# Old archive suffix (normally "a").
2923libext="$libext"
2924
2925# Executable file suffix (normally "").
2926exeext="$exeext"
2927
2928# Additional compiler flags for building library objects.
2929pic_flag=$pic_flag
2930
2931# Does compiler simultaneously support -c and -o options?
2932compiler_c_o=$compiler_c_o
2933
2934# Can we write directly to a .lo ?
2935compiler_o_lo=$compiler_o_lo
2936
2937# Must we lock files when doing compilation ?
2938need_locks=$need_locks
2939
2940# Do we need the lib prefix for modules?
2941need_lib_prefix=$need_lib_prefix
2942
2943# Do we need a version for libraries?
2944need_version=$need_version
2945
2946# Whether dlopen is supported.
2947dlopen=$enable_dlopen
2948
2949# Whether dlopen of programs is supported.
2950dlopen_self=$enable_dlopen_self
2951
2952# Whether dlopen of statically linked programs is supported.
2953dlopen_self_static=$enable_dlopen_self_static
2954
2955# Compiler flag to prevent dynamic linking.
2956link_static_flag=$link_static_flag
2957
2958# Compiler flag to turn off builtin functions.
2959no_builtin_flag=$no_builtin_flag
2960
2961# Compiler flag to allow reflexive dlopens.
2962export_dynamic_flag_spec=$export_dynamic_flag_spec
2963
2964# Compiler flag to generate shared objects directly from archives.
2965whole_archive_flag_spec=$whole_archive_flag_spec
2966
2967# Compiler flag to generate thread-safe objects.
2968thread_safe_flag_spec=$thread_safe_flag_spec
2969
2970# Library versioning type.
2971version_type=$version_type
2972
2973# Format of library name prefix.
2974libname_spec=$libname_spec
2975
2976# List of archive names.  First name is the real one, the rest are links.
2977# The last name is the one that the linker finds with -lNAME.
2978library_names_spec=$library_names_spec
2979
2980# The coded name of the library, if different from the real name.
2981soname_spec=$soname_spec
2982
2983# Commands used to build and install an old-style archive.
2984RANLIB=$RANLIB
2985old_archive_cmds=$old_archive_cmds
2986old_postinstall_cmds=$old_postinstall_cmds
2987old_postuninstall_cmds=$old_postuninstall_cmds
2988
2989# Create an old-style archive from a shared archive.
2990old_archive_from_new_cmds=$old_archive_from_new_cmds
2991
2992# Commands used to build and install a shared archive.
2993archive_cmds=$archive_cmds
2994archive_expsym_cmds=$archive_expsym_cmds
2995postinstall_cmds=$postinstall_cmds
2996postuninstall_cmds=$postuninstall_cmds
2997
2998# Method to check whether dependent libraries are shared objects.
2999deplibs_check_method=$deplibs_check_method
3000
3001# Command to use when deplibs_check_method == file_magic.
3002file_magic_cmd=$file_magic_cmd
3003
3004# Flag that allows shared libraries with undefined symbols to be built.
3005allow_undefined_flag=$allow_undefined_flag
3006
3007# Flag that forces no undefined symbols.
3008no_undefined_flag=$no_undefined_flag
3009
3010# Commands used to finish a libtool library installation in a directory.
3011finish_cmds=$finish_cmds
3012
3013# Same as above, but a single script fragment to be evaled but not shown.
3014finish_eval=$finish_eval
3015
3016# Take the output of nm and produce a listing of raw symbols and C names.
3017global_symbol_pipe=$global_symbol_pipe
3018
3019# Transform the output of nm in a proper C declaration
3020global_symbol_to_cdecl=$global_symbol_to_cdecl
3021
3022# This is the shared library runtime path variable.
3023runpath_var=$runpath_var
3024
3025# This is the shared library path variable.
3026shlibpath_var=$shlibpath_var
3027
3028# Is shlibpath searched before the hard-coded library search path?
3029shlibpath_overrides_runpath=$shlibpath_overrides_runpath
3030
3031# How to hardcode a shared library path into an executable.
3032hardcode_action=$hardcode_action
3033
3034# Flag to hardcode \$libdir into a binary during linking.
3035# This must work even if \$libdir does not exist.
3036hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec
3037
3038# Whether we need a single -rpath flag with a separated argument.
3039hardcode_libdir_separator=$hardcode_libdir_separator
3040
3041# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
3042# resulting binary.
3043hardcode_direct=$hardcode_direct
3044
3045# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
3046# resulting binary.
3047hardcode_minus_L=$hardcode_minus_L
3048
3049# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
3050# the resulting binary.
3051hardcode_shlibpath_var=$hardcode_shlibpath_var
3052
3053# Compile-time system search path for libraries
3054sys_lib_search_path_spec=$sys_lib_search_path_spec
3055
3056# Run-time system search path for libraries
3057sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec
3058
3059# Fix the shell variable \$srcfile for the compiler.
3060fix_srcfile_path="$fix_srcfile_path"
3061
3062# Set to yes if exported symbols are required.
3063always_export_symbols=$always_export_symbols
3064
3065# The commands to list exported symbols.
3066export_symbols_cmds=$export_symbols_cmds
3067
3068# Symbols that should not be listed in the preloaded symbols.
3069exclude_expsyms=$exclude_expsyms
3070
3071# Symbols that must always be exported.
3072include_expsyms=$include_expsyms
3073
3074EOF
3075
3076case "$ltmain" in
3077*.sh)
3078  echo '### END LIBTOOL CONFIG' >> "$ofile"
3079  echo >> "$ofile"
3080  case "$host_os" in
3081  aix3*)
3082    cat <<\EOF >> "$ofile"
3083
3084# AIX sometimes has problems with the GCC collect2 program.  For some
3085# reason, if we set the COLLECT_NAMES environment variable, the problems
3086# vanish in a puff of smoke.
3087if test "X${COLLECT_NAMES+set}" != Xset; then
3088  COLLECT_NAMES=
3089  export COLLECT_NAMES
3090fi
3091EOF
3092    ;;
3093  esac
3094
3095  # Append the ltmain.sh script.
3096  sed '$q' "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1)
3097  # We use sed instead of cat because bash on DJGPP gets confused if
3098  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
3099  # text mode, it properly converts lines to CR/LF.  This bash problem
3100  # is reportedly fixed, but why not run on old versions too?
3101
3102  chmod +x "$ofile"
3103  ;;
3104
3105*)
3106  # Compile the libtool program.
3107  echo "FIXME: would compile $ltmain"
3108  ;;
3109esac
3110
3111test -n "$cache_file" || exit 0
3112
3113# AC_CACHE_SAVE
3114trap '' 1 2 15
3115cat > confcache <<\EOF
3116# This file is a shell script that caches the results of configure
3117# tests run on this system so they can be shared between configure
3118# scripts and configure runs.  It is not useful on other systems.
3119# If it contains results you don't want to keep, you may remove or edit it.
3120#
3121# By default, configure uses ./config.cache as the cache file,
3122# creating it if it does not exist already.  You can give configure
3123# the --cache-file=FILE option to use a different cache file; that is
3124# what configure does when it calls configure scripts in
3125# subdirectories, so they share the cache.
3126# Giving --cache-file=/dev/null disables caching, for debugging configure.
3127# config.status only pays attention to the cache file if you give it the
3128# --recheck option to rerun configure.
3129#
3130EOF
3131# The following way of writing the cache mishandles newlines in values,
3132# but we know of no workaround that is simple, portable, and efficient.
3133# So, don't put newlines in cache variables' values.
3134# Ultrix sh set writes to stderr and can't be redirected directly,
3135# and sets the high bit in the cache file unless we assign to the vars.
3136(set) 2>&1 |
3137  case `(ac_space=' '; set | grep ac_space) 2>&1` in
3138  *ac_space=\ *)
3139    # `set' does not quote correctly, so add quotes (double-quote substitution
3140    # turns \\\\ into \\, and sed turns \\ into \).
3141    sed -n \
3142      -e "s/'/'\\\\''/g" \
3143      -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p"
3144    ;;
3145  *)
3146    # `set' quotes correctly as required by POSIX, so do not add quotes.
3147    sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p'
3148    ;;
3149  esac >> confcache
3150if cmp -s $cache_file confcache; then
3151  :
3152else
3153  if test -w $cache_file; then
3154    echo "updating cache $cache_file"
3155    cat confcache > $cache_file
3156  else
3157    echo "not updating unwritable cache $cache_file"
3158  fi
3159fi
3160rm -f confcache
3161
3162exit 0
3163
3164# Local Variables:
3165# mode:shell-script
3166# sh-indentation:2
3167# End:
3168