source: trunk/poppler/expat-1.95.8/conftools/libtool.m4 @ 2

Last change on this file since 2 was 2, checked in by Eugene Romanenko, 16 years ago

First import

File size: 115.0 KB
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1# libtool.m4 - Configure libtool for the host system. -*-Shell-script-*-
2## Copyright 1996, 1997, 1998, 1999, 2000, 2001
3## Free Software Foundation, Inc.
4## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
5##
6## This program is free software; you can redistribute it and/or modify
7## it under the terms of the GNU General Public License as published by
8## the Free Software Foundation; either version 2 of the License, or
9## (at your option) any later version.
10##
11## This program is distributed in the hope that it will be useful, but
12## WITHOUT ANY WARRANTY; without even the implied warranty of
13## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14## General Public License for more details.
15##
16## You should have received a copy of the GNU General Public License
17## along with this program; if not, write to the Free Software
18## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19##
20## As a special exception to the GNU General Public License, if you
21## distribute this file as part of a program that contains a
22## configuration script generated by Autoconf, you may include it under
23## the same distribution terms that you use for the rest of that program.
24
25# serial 46 AC_PROG_LIBTOOL
26
27AC_DEFUN([AC_PROG_LIBTOOL],
28[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
29
30# This can be used to rebuild libtool when needed
31LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"
32
33# Always use our own libtool.
34LIBTOOL='$(SHELL) $(top_builddir)/libtool'
35AC_SUBST(LIBTOOL)dnl
36
37# Prevent multiple expansion
38define([AC_PROG_LIBTOOL], [])
39])
40
41AC_DEFUN([AC_LIBTOOL_SETUP],
42[AC_PREREQ(2.13)dnl
43AC_REQUIRE([AC_ENABLE_SHARED])dnl
44AC_REQUIRE([AC_ENABLE_STATIC])dnl
45AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
46AC_REQUIRE([AC_CANONICAL_HOST])dnl
47AC_REQUIRE([AC_CANONICAL_BUILD])dnl
48AC_REQUIRE([AC_PROG_CC])dnl
49AC_REQUIRE([AC_PROG_LD])dnl
50AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
51AC_REQUIRE([AC_PROG_NM])dnl
52AC_REQUIRE([AC_PROG_LN_S])dnl
53AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
54AC_REQUIRE([AC_OBJEXT])dnl
55AC_REQUIRE([AC_EXEEXT])dnl
56dnl
57
58_LT_AC_PROG_ECHO_BACKSLASH
59# Only perform the check for file, if the check method requires it
60case $deplibs_check_method in
61file_magic*)
62  if test "$file_magic_cmd" = '$MAGIC_CMD'; then
63    AC_PATH_MAGIC
64  fi
65  ;;
66esac
67
68AC_CHECK_TOOL(RANLIB, ranlib, :)
69AC_CHECK_TOOL(STRIP, strip, :)
70
71ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)
72ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
73enable_win32_dll=yes, enable_win32_dll=no)
74
75AC_ARG_ENABLE(libtool-lock,
76  [  --disable-libtool-lock  avoid locking (might break parallel builds)])
77test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes
78
79# Some flags need to be propagated to the compiler or linker for good
80# libtool support.
81case $host in
82*-*-irix6*)
83  # Find out which ABI we are using.
84  echo '[#]line __oline__ "configure"' > conftest.$ac_ext
85  if AC_TRY_EVAL(ac_compile); then
86    case `/usr/bin/file conftest.$ac_objext` in
87    *32-bit*)
88      LD="${LD-ld} -32"
89      ;;
90    *N32*)
91      LD="${LD-ld} -n32"
92      ;;
93    *64-bit*)
94      LD="${LD-ld} -64"
95      ;;
96    esac
97  fi
98  rm -rf conftest*
99  ;;
100
101*-*-sco3.2v5*)
102  # On SCO OpenServer 5, we need -belf to get full-featured binaries.
103  SAVE_CFLAGS="$CFLAGS"
104  CFLAGS="$CFLAGS -belf"
105  AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf,
106    [AC_LANG_SAVE
107     AC_LANG_C
108     AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])
109     AC_LANG_RESTORE])
110  if test x"$lt_cv_cc_needs_belf" != x"yes"; then
111    # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf
112    CFLAGS="$SAVE_CFLAGS"
113  fi
114  ;;
115
116ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
117[*-*-cygwin* | *-*-mingw* | *-*-pw32*)
118  AC_CHECK_TOOL(DLLTOOL, dlltool, false)
119  AC_CHECK_TOOL(AS, as, false)
120  AC_CHECK_TOOL(OBJDUMP, objdump, false)
121
122  # recent cygwin and mingw systems supply a stub DllMain which the user
123  # can override, but on older systems we have to supply one
124  AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain,
125    [AC_TRY_LINK([],
126      [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*);
127      DllMain (0, 0, 0);],
128      [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])])
129
130  case $host/$CC in
131  *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*)
132    # old mingw systems require "-dll" to link a DLL, while more recent ones
133    # require "-mdll"
134    SAVE_CFLAGS="$CFLAGS"
135    CFLAGS="$CFLAGS -mdll"
136    AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch,
137      [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])])
138    CFLAGS="$SAVE_CFLAGS" ;;
139  *-*-cygwin* | *-*-pw32*)
140    # cygwin systems need to pass --dll to the linker, and not link
141    # crt.o which will require a WinMain@16 definition.
142    lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;;
143  esac
144  ;;
145  ])
146esac
147
148_LT_AC_LTCONFIG_HACK
149
150])
151
152# AC_LIBTOOL_HEADER_ASSERT
153# ------------------------
154AC_DEFUN([AC_LIBTOOL_HEADER_ASSERT],
155[AC_CACHE_CHECK([whether $CC supports assert without backlinking],
156    [lt_cv_func_assert_works],
157    [case $host in
158    *-*-solaris*)
159      if test "$GCC" = yes && test "$with_gnu_ld" != yes; then
160        case `$CC --version 2>/dev/null` in
161        [[12]].*) lt_cv_func_assert_works=no ;;
162        *)        lt_cv_func_assert_works=yes ;;
163        esac
164      fi
165      ;;
166    esac])
167
168if test "x$lt_cv_func_assert_works" = xyes; then
169  AC_CHECK_HEADERS(assert.h)
170fi
171])# AC_LIBTOOL_HEADER_ASSERT
172
173# _LT_AC_CHECK_DLFCN
174# --------------------
175AC_DEFUN([_LT_AC_CHECK_DLFCN],
176[AC_CHECK_HEADERS(dlfcn.h)
177])# _LT_AC_CHECK_DLFCN
178
179# AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
180# ---------------------------------
181AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE],
182[AC_REQUIRE([AC_CANONICAL_HOST])
183AC_REQUIRE([AC_PROG_NM])
184AC_REQUIRE([AC_OBJEXT])
185# Check for command to grab the raw symbol name followed by C symbol from nm.
186AC_MSG_CHECKING([command to parse $NM output])
187AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [dnl
188
189# These are sane defaults that work on at least a few old systems.
190# [They come from Ultrix.  What could be older than Ultrix?!! ;)]
191
192# Character class describing NM global symbol codes.
193symcode='[[BCDEGRST]]'
194
195# Regexp to match symbols that can be accessed directly from C.
196sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
197
198# Transform the above into a raw symbol and a C symbol.
199symxfrm='\1 \2\3 \3'
200
201# Transform an extracted symbol line into a proper C declaration
202lt_cv_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
203
204# Transform an extracted symbol line into symbol name and symbol address
205lt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
206
207# Define system-specific variables.
208case $host_os in
209aix*)
210  symcode='[[BCDT]]'
211  ;;
212cygwin* | mingw* | pw32*)
213  symcode='[[ABCDGISTW]]'
214  ;;
215hpux*) # Its linker distinguishes data from code symbols
216  lt_cv_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'"
217  lt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/  {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/  {\"\2\", (lt_ptr) \&\2},/p'"
218  ;;
219irix*)
220  symcode='[[BCDEGRST]]'
221  ;;
222solaris* | sysv5*)
223  symcode='[[BDT]]'
224  ;;
225sysv4)
226  symcode='[[DFNSTU]]'
227  ;;
228esac
229
230# Handle CRLF in mingw tool chain
231opt_cr=
232case $host_os in
233mingw*)
234  opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp
235  ;;
236esac
237
238# If we're using GNU nm, then use its standard symbol codes.
239if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
240  symcode='[[ABCDGISTW]]'
241fi
242
243# Try without a prefix undercore, then with it.
244for ac_symprfx in "" "_"; do
245
246  # Write the raw and C identifiers.
247lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[[        ]]\($symcode$symcode*\)[[       ]][[    ]]*\($ac_symprfx\)$sympat$opt_cr$/$symxfrm/p'"
248
249  # Check to see that the pipe works correctly.
250  pipe_works=no
251  rm -f conftest*
252  cat > conftest.$ac_ext <<EOF
253#ifdef __cplusplus
254extern "C" {
255#endif
256char nm_test_var;
257void nm_test_func(){}
258#ifdef __cplusplus
259}
260#endif
261int main(){nm_test_var='a';nm_test_func();return(0);}
262EOF
263
264  if AC_TRY_EVAL(ac_compile); then
265    # Now try to grab the symbols.
266    nlist=conftest.nm
267    if AC_TRY_EVAL(NM conftest.$ac_objext \| $lt_cv_sys_global_symbol_pipe \> $nlist) && test -s "$nlist"; then
268      # Try sorting and uniquifying the output.
269      if sort "$nlist" | uniq > "$nlist"T; then
270        mv -f "$nlist"T "$nlist"
271      else
272        rm -f "$nlist"T
273      fi
274
275      # Make sure that we snagged all the symbols we need.
276      if egrep ' nm_test_var$' "$nlist" >/dev/null; then
277        if egrep ' nm_test_func$' "$nlist" >/dev/null; then
278          cat <<EOF > conftest.$ac_ext
279#ifdef __cplusplus
280extern "C" {
281#endif
282
283EOF
284          # Now generate the symbol file.
285          eval "$lt_cv_global_symbol_to_cdecl"' < "$nlist" >> conftest.$ac_ext'
286
287          cat <<EOF >> conftest.$ac_ext
288#if defined (__STDC__) && __STDC__
289# define lt_ptr void *
290#else
291# define lt_ptr char *
292# define const
293#endif
294
295/* The mapping between symbol names and symbols. */
296const struct {
297  const char *name;
298  lt_ptr address;
299}
300lt_preloaded_symbols[[]] =
301{
302EOF
303          sed "s/^$symcode$symcode* \(.*\) \(.*\)$/  {\"\2\", (lt_ptr) \&\2},/" < "$nlist" >> conftest.$ac_ext
304          cat <<\EOF >> conftest.$ac_ext
305  {0, (lt_ptr) 0}
306};
307
308#ifdef __cplusplus
309}
310#endif
311EOF
312          # Now try linking the two files.
313          mv conftest.$ac_objext conftstm.$ac_objext
314          save_LIBS="$LIBS"
315          save_CFLAGS="$CFLAGS"
316          LIBS="conftstm.$ac_objext"
317          CFLAGS="$CFLAGS$no_builtin_flag"
318          if AC_TRY_EVAL(ac_link) && test -s conftest; then
319            pipe_works=yes
320          fi
321          LIBS="$save_LIBS"
322          CFLAGS="$save_CFLAGS"
323        else
324          echo "cannot find nm_test_func in $nlist" >&AC_FD_CC
325        fi
326      else
327        echo "cannot find nm_test_var in $nlist" >&AC_FD_CC
328      fi
329    else
330      echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AC_FD_CC
331    fi
332  else
333    echo "$progname: failed program was:" >&AC_FD_CC
334    cat conftest.$ac_ext >&5
335  fi
336  rm -f conftest* conftst*
337
338  # Do not use the global_symbol_pipe unless it works.
339  if test "$pipe_works" = yes; then
340    break
341  else
342    lt_cv_sys_global_symbol_pipe=
343  fi
344done
345])
346global_symbol_pipe="$lt_cv_sys_global_symbol_pipe"
347if test -z "$lt_cv_sys_global_symbol_pipe"; then
348  global_symbol_to_cdecl=
349  global_symbol_to_c_name_address=
350else
351  global_symbol_to_cdecl="$lt_cv_global_symbol_to_cdecl"
352  global_symbol_to_c_name_address="$lt_cv_global_symbol_to_c_name_address"
353fi
354if test -z "$global_symbol_pipe$global_symbol_to_cdec$global_symbol_to_c_name_address";
355then
356  AC_MSG_RESULT(failed)
357else
358  AC_MSG_RESULT(ok)
359fi
360]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
361
362# _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR
363# ---------------------------------
364AC_DEFUN([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR],
365[# Find the correct PATH separator.  Usually this is `:', but
366# DJGPP uses `;' like DOS.
367if test "X${PATH_SEPARATOR+set}" != Xset; then
368  UNAME=${UNAME-`uname 2>/dev/null`}
369  case X$UNAME in
370    *-DOS) lt_cv_sys_path_separator=';' ;;
371    *)     lt_cv_sys_path_separator=':' ;;
372  esac
373  PATH_SEPARATOR=$lt_cv_sys_path_separator
374fi
375])# _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR
376
377# _LT_AC_PROG_ECHO_BACKSLASH
378# --------------------------
379# Add some code to the start of the generated configure script which
380# will find an echo command which doesn't interpret backslashes.
381AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH],
382[ifdef([AC_DIVERSION_NOTICE], [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
383                              [AC_DIVERT_PUSH(NOTICE)])
384_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR
385
386# Check that we are running under the correct shell.
387SHELL=${CONFIG_SHELL-/bin/sh}
388
389case X$ECHO in
390X*--fallback-echo)
391  # Remove one level of quotation (which was required for Make).
392  ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`
393  ;;
394esac
395
396echo=${ECHO-echo}
397if test "X[$]1" = X--no-reexec; then
398  # Discard the --no-reexec flag, and continue.
399  shift
400elif test "X[$]1" = X--fallback-echo; then
401  # Avoid inline document here, it may be left over
402  :
403elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
404  # Yippee, $echo works!
405  :
406else
407  # Restart under the correct shell.
408  exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
409fi
410
411if test "X[$]1" = X--fallback-echo; then
412  # used as fallback echo
413  shift
414  cat <<EOF
415$*
416EOF
417  exit 0
418fi
419
420# The HP-UX ksh and POSIX shell print the target directory to stdout
421# if CDPATH is set.
422if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
423
424if test -z "$ECHO"; then
425if test "X${echo_test_string+set}" != Xset; then
426# find a string as large as possible, as long as the shell can cope with it
427  for cmd in 'sed 50q "[$]0"' 'sed 20q "[$]0"' 'sed 10q "[$]0"' 'sed 2q "[$]0"' 'echo test'; do
428    # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ...
429    if (echo_test_string="`eval $cmd`") 2>/dev/null &&
430       echo_test_string="`eval $cmd`" &&
431       (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null
432    then
433      break
434    fi
435  done
436fi
437
438if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
439   echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
440   test "X$echo_testing_string" = "X$echo_test_string"; then
441  :
442else
443  # The Solaris, AIX, and Digital Unix default echo programs unquote
444  # backslashes.  This makes it impossible to quote backslashes using
445  #   echo "$something" | sed 's/\\/\\\\/g'
446  #
447  # So, first we look for a working echo in the user's PATH.
448
449  IFS="${IFS=   }"; save_ifs="$IFS"; IFS=$PATH_SEPARATOR
450  for dir in $PATH /usr/ucb; do
451    if (test -f $dir/echo || test -f $dir/echo$ac_exeext) &&
452       test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' &&
453       echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` &&
454       test "X$echo_testing_string" = "X$echo_test_string"; then
455      echo="$dir/echo"
456      break
457    fi
458  done
459  IFS="$save_ifs"
460
461  if test "X$echo" = Xecho; then
462    # We didn't find a better echo, so look for alternatives.
463    if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' &&
464       echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` &&
465       test "X$echo_testing_string" = "X$echo_test_string"; then
466      # This shell has a builtin print -r that does the trick.
467      echo='print -r'
468    elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) &&
469         test "X$CONFIG_SHELL" != X/bin/ksh; then
470      # If we have ksh, try running configure again with it.
471      ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}
472      export ORIGINAL_CONFIG_SHELL
473      CONFIG_SHELL=/bin/ksh
474      export CONFIG_SHELL
475      exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"}
476    else
477      # Try using printf.
478      echo='printf %s\n'
479      if test "X`($echo '\t') 2>/dev/null`" = 'X\t' &&
480         echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` &&
481         test "X$echo_testing_string" = "X$echo_test_string"; then
482        # Cool, printf works
483        :
484      elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
485           test "X$echo_testing_string" = 'X\t' &&
486           echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
487           test "X$echo_testing_string" = "X$echo_test_string"; then
488        CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL
489        export CONFIG_SHELL
490        SHELL="$CONFIG_SHELL"
491        export SHELL
492        echo="$CONFIG_SHELL [$]0 --fallback-echo"
493      elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` &&
494           test "X$echo_testing_string" = 'X\t' &&
495           echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` &&
496           test "X$echo_testing_string" = "X$echo_test_string"; then
497        echo="$CONFIG_SHELL [$]0 --fallback-echo"
498      else
499        # maybe with a smaller string...
500        prev=:
501
502        for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do
503          if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null
504          then
505            break
506          fi
507          prev="$cmd"
508        done
509
510        if test "$prev" != 'sed 50q "[$]0"'; then
511          echo_test_string=`eval $prev`
512          export echo_test_string
513          exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"}
514        else
515          # Oops.  We lost completely, so just stick with echo.
516          echo=echo
517        fi
518      fi
519    fi
520  fi
521fi
522fi
523
524# Copy echo and quote the copy suitably for passing to libtool from
525# the Makefile, instead of quoting the original, which is used later.
526ECHO=$echo
527if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
528   ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
529fi
530
531AC_SUBST(ECHO)
532AC_DIVERT_POP
533])# _LT_AC_PROG_ECHO_BACKSLASH
534
535# _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
536#                           ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
537# ------------------------------------------------------------------
538AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF],
539[if test "$cross_compiling" = yes; then :
540  [$4]
541else
542  AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
543  lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
544  lt_status=$lt_dlunknown
545  cat > conftest.$ac_ext <<EOF
546[#line __oline__ "configure"
547#include "confdefs.h"
548
549#if HAVE_DLFCN_H
550#include <dlfcn.h>
551#endif
552
553#include <stdio.h>
554
555#ifdef RTLD_GLOBAL
556#  define LT_DLGLOBAL           RTLD_GLOBAL
557#else
558#  ifdef DL_GLOBAL
559#    define LT_DLGLOBAL         DL_GLOBAL
560#  else
561#    define LT_DLGLOBAL         0
562#  endif
563#endif
564
565/* We may have to define LT_DLLAZY_OR_NOW in the command line if we
566   find out it does not work in some platform. */
567#ifndef LT_DLLAZY_OR_NOW
568#  ifdef RTLD_LAZY
569#    define LT_DLLAZY_OR_NOW            RTLD_LAZY
570#  else
571#    ifdef DL_LAZY
572#      define LT_DLLAZY_OR_NOW          DL_LAZY
573#    else
574#      ifdef RTLD_NOW
575#        define LT_DLLAZY_OR_NOW        RTLD_NOW
576#      else
577#        ifdef DL_NOW
578#          define LT_DLLAZY_OR_NOW      DL_NOW
579#        else
580#          define LT_DLLAZY_OR_NOW      0
581#        endif
582#      endif
583#    endif
584#  endif
585#endif
586
587#ifdef __cplusplus
588extern "C" void exit (int);
589#endif
590
591void fnord() { int i=42;}
592int main ()
593{
594  void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW);
595  int status = $lt_dlunknown;
596
597  if (self)
598    {
599      if (dlsym (self,"fnord"))       status = $lt_dlno_uscore;
600      else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore;
601      /* dlclose (self); */
602    }
603
604    exit (status);
605}]
606EOF
607  if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then
608    (./conftest; exit; ) 2>/dev/null
609    lt_status=$?
610    case x$lt_status in
611      x$lt_dlno_uscore) $1 ;;
612      x$lt_dlneed_uscore) $2 ;;
613      x$lt_unknown|x*) $3 ;;
614    esac
615  else :
616    # compilation failed
617    $3
618  fi
619fi
620rm -fr conftest*
621])# _LT_AC_TRY_DLOPEN_SELF
622
623# AC_LIBTOOL_DLOPEN_SELF
624# -------------------
625AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF],
626[if test "x$enable_dlopen" != xyes; then
627  enable_dlopen=unknown
628  enable_dlopen_self=unknown
629  enable_dlopen_self_static=unknown
630else
631  lt_cv_dlopen=no
632  lt_cv_dlopen_libs=
633
634  case $host_os in
635  beos*)
636    lt_cv_dlopen="load_add_on"
637    lt_cv_dlopen_libs=
638    lt_cv_dlopen_self=yes
639    ;;
640
641  cygwin* | mingw* | pw32*)
642    lt_cv_dlopen="LoadLibrary"
643    lt_cv_dlopen_libs=
644   ;;
645
646  *)
647    AC_CHECK_FUNC([shl_load],
648          [lt_cv_dlopen="shl_load"],
649      [AC_CHECK_LIB([dld], [shl_load],
650            [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-dld"],
651        [AC_CHECK_FUNC([dlopen],
652              [lt_cv_dlopen="dlopen"],
653          [AC_CHECK_LIB([dl], [dlopen],
654                [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"],
655            [AC_CHECK_LIB([svld], [dlopen],
656                  [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"],
657              [AC_CHECK_LIB([dld], [dld_link],
658                    [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-dld"])
659              ])
660            ])
661          ])
662        ])
663      ])
664    ;;
665  esac
666
667  if test "x$lt_cv_dlopen" != xno; then
668    enable_dlopen=yes
669  else
670    enable_dlopen=no
671  fi
672
673  case $lt_cv_dlopen in
674  dlopen)
675    save_CPPFLAGS="$CPPFLAGS"
676    AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
677    test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H"
678
679    save_LDFLAGS="$LDFLAGS"
680    eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\"
681
682    save_LIBS="$LIBS"
683    LIBS="$lt_cv_dlopen_libs $LIBS"
684
685    AC_CACHE_CHECK([whether a program can dlopen itself],
686          lt_cv_dlopen_self, [dnl
687          _LT_AC_TRY_DLOPEN_SELF(
688            lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes,
689            lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross)
690    ])
691
692    if test "x$lt_cv_dlopen_self" = xyes; then
693      LDFLAGS="$LDFLAGS $link_static_flag"
694      AC_CACHE_CHECK([whether a statically linked program can dlopen itself],
695          lt_cv_dlopen_self_static, [dnl
696          _LT_AC_TRY_DLOPEN_SELF(
697            lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes,
698            lt_cv_dlopen_self_static=no,  lt_cv_dlopen_self_static=cross)
699      ])
700    fi
701
702    CPPFLAGS="$save_CPPFLAGS"
703    LDFLAGS="$save_LDFLAGS"
704    LIBS="$save_LIBS"
705    ;;
706  esac
707
708  case $lt_cv_dlopen_self in
709  yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;;
710  *) enable_dlopen_self=unknown ;;
711  esac
712
713  case $lt_cv_dlopen_self_static in
714  yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;;
715  *) enable_dlopen_self_static=unknown ;;
716  esac
717fi
718])# AC_LIBTOOL_DLOPEN_SELF
719
720AC_DEFUN([_LT_AC_LTCONFIG_HACK],
721[AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])dnl
722# Sed substitution that helps us do robust quoting.  It backslashifies
723# metacharacters that are still active within double-quoted strings.
724Xsed='sed -e s/^X//'
725sed_quote_subst='s/\([[\\"\\`$\\\\]]\)/\\\1/g'
726
727# Same as above, but do not quote variable references.
728double_quote_subst='s/\([[\\"\\`\\\\]]\)/\\\1/g'
729
730# Sed substitution to delay expansion of an escaped shell variable in a
731# double_quote_subst'ed string.
732delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
733
734# Constants:
735rm="rm -f"
736
737# Global variables:
738default_ofile=libtool
739can_build_shared=yes
740
741# All known linkers require a `.a' archive for static linking (except M$VC,
742# which needs '.lib').
743libext=a
744ltmain="$ac_aux_dir/ltmain.sh"
745ofile="$default_ofile"
746with_gnu_ld="$lt_cv_prog_gnu_ld"
747need_locks="$enable_libtool_lock"
748
749old_CC="$CC"
750old_CFLAGS="$CFLAGS"
751
752# Set sane defaults for various variables
753test -z "$AR" && AR=ar
754test -z "$AR_FLAGS" && AR_FLAGS=cru
755test -z "$AS" && AS=as
756test -z "$CC" && CC=cc
757test -z "$DLLTOOL" && DLLTOOL=dlltool
758test -z "$LD" && LD=ld
759test -z "$LN_S" && LN_S="ln -s"
760test -z "$MAGIC_CMD" && MAGIC_CMD=file
761test -z "$NM" && NM=nm
762test -z "$OBJDUMP" && OBJDUMP=objdump
763test -z "$RANLIB" && RANLIB=:
764test -z "$STRIP" && STRIP=:
765test -z "$ac_objext" && ac_objext=o
766
767if test x"$host" != x"$build"; then
768  ac_tool_prefix=${host_alias}-
769else
770  ac_tool_prefix=
771fi
772
773# Transform linux* to *-*-linux-gnu*, to support old configure scripts.
774case $host_os in
775linux-gnu*) ;;
776linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
777esac
778
779case $host_os in
780aix3*)
781  # AIX sometimes has problems with the GCC collect2 program.  For some
782  # reason, if we set the COLLECT_NAMES environment variable, the problems
783  # vanish in a puff of smoke.
784  if test "X${COLLECT_NAMES+set}" != Xset; then
785    COLLECT_NAMES=
786    export COLLECT_NAMES
787  fi
788  ;;
789esac
790
791# Determine commands to create old-style static archives.
792old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs'
793old_postinstall_cmds='chmod 644 $oldlib'
794old_postuninstall_cmds=
795
796if test -n "$RANLIB"; then
797  case $host_os in
798  openbsd*)
799    old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds"
800    ;;
801  *)
802    old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds"
803    ;;
804  esac
805  old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib"
806fi
807
808# Allow CC to be a program name with arguments.
809set dummy $CC
810compiler="[$]2"
811
812## FIXME: this should be a separate macro
813##
814AC_MSG_CHECKING([for objdir])
815rm -f .libs 2>/dev/null
816mkdir .libs 2>/dev/null
817if test -d .libs; then
818  objdir=.libs
819else
820  # MS-DOS does not allow filenames that begin with a dot.
821  objdir=_libs
822fi
823rmdir .libs 2>/dev/null
824AC_MSG_RESULT($objdir)
825##
826## END FIXME
827
828
829## FIXME: this should be a separate macro
830##
831AC_ARG_WITH(pic,
832[  --with-pic              try to use only PIC/non-PIC objects [default=use both]],
833pic_mode="$withval", pic_mode=default)
834test -z "$pic_mode" && pic_mode=default
835
836# We assume here that the value for lt_cv_prog_cc_pic will not be cached
837# in isolation, and that seeing it set (from the cache) indicates that
838# the associated values are set (in the cache) correctly too.
839AC_MSG_CHECKING([for $compiler option to produce PIC])
840AC_CACHE_VAL(lt_cv_prog_cc_pic,
841[ lt_cv_prog_cc_pic=
842  lt_cv_prog_cc_shlib=
843  lt_cv_prog_cc_wl=
844  lt_cv_prog_cc_static=
845  lt_cv_prog_cc_no_builtin=
846  lt_cv_prog_cc_can_build_shared=$can_build_shared
847
848  if test "$GCC" = yes; then
849    lt_cv_prog_cc_wl='-Wl,'
850    lt_cv_prog_cc_static='-static'
851
852    case $host_os in
853    aix*)
854      # Below there is a dirty hack to force normal static linking with -ldl
855      # The problem is because libdl dynamically linked with both libc and
856      # libC (AIX C++ library), which obviously doesn't included in libraries
857      # list by gcc. This cause undefined symbols with -static flags.
858      # This hack allows C programs to be linked with "-static -ldl", but
859      # not sure about C++ programs.
860      lt_cv_prog_cc_static="$lt_cv_prog_cc_static ${lt_cv_prog_cc_wl}-lC"
861      ;;
862    amigaos*)
863      # FIXME: we need at least 68020 code to build shared libraries, but
864      # adding the `-m68020' flag to GCC prevents building anything better,
865      # like `-m68040'.
866      lt_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
867      ;;
868    beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
869      # PIC is the default for these OSes.
870      ;;
871    darwin* | rhapsody*)
872      # PIC is the default on this platform
873      # Common symbols not allowed in MH_DYLIB files
874      lt_cv_prog_cc_pic='-fno-common'
875      ;;
876    cygwin* | mingw* | pw32* | os2*)
877      # This hack is so that the source file can tell whether it is being
878      # built for inclusion in a dll (and should export symbols for example).
879      lt_cv_prog_cc_pic='-DDLL_EXPORT'
880      ;;
881    sysv4*MP*)
882      if test -d /usr/nec; then
883         lt_cv_prog_cc_pic=-Kconform_pic
884      fi
885      ;;
886    *)
887      lt_cv_prog_cc_pic='-fPIC'
888      ;;
889    esac
890  else
891    # PORTME Check for PIC flags for the system compiler.
892    case $host_os in
893    aix3* | aix4* | aix5*)
894      lt_cv_prog_cc_wl='-Wl,'
895      # All AIX code is PIC.
896      if test "$host_cpu" = ia64; then
897        # AIX 5 now supports IA64 processor
898        lt_cv_prog_cc_static='-Bstatic'
899      else
900        lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
901      fi
902      ;;
903
904    hpux9* | hpux10* | hpux11*)
905      # Is there a better lt_cv_prog_cc_static that works with the bundled CC?
906      lt_cv_prog_cc_wl='-Wl,'
907      lt_cv_prog_cc_static="${lt_cv_prog_cc_wl}-a ${lt_cv_prog_cc_wl}archive"
908      lt_cv_prog_cc_pic='+Z'
909      ;;
910
911    irix5* | irix6*)
912      lt_cv_prog_cc_wl='-Wl,'
913      lt_cv_prog_cc_static='-non_shared'
914      # PIC (with -KPIC) is the default.
915      ;;
916
917    cygwin* | mingw* | pw32* | os2*)
918      # This hack is so that the source file can tell whether it is being
919      # built for inclusion in a dll (and should export symbols for example).
920      lt_cv_prog_cc_pic='-DDLL_EXPORT'
921      ;;
922
923    newsos6)
924      lt_cv_prog_cc_pic='-KPIC'
925      lt_cv_prog_cc_static='-Bstatic'
926      ;;
927
928    osf3* | osf4* | osf5*)
929      # All OSF/1 code is PIC.
930      lt_cv_prog_cc_wl='-Wl,'
931      lt_cv_prog_cc_static='-non_shared'
932      ;;
933
934    sco3.2v5*)
935      lt_cv_prog_cc_pic='-Kpic'
936      lt_cv_prog_cc_static='-dn'
937      lt_cv_prog_cc_shlib='-belf'
938      ;;
939
940    solaris*)
941      lt_cv_prog_cc_pic='-KPIC'
942      lt_cv_prog_cc_static='-Bstatic'
943      lt_cv_prog_cc_wl='-Wl,'
944      ;;
945
946    sunos4*)
947      lt_cv_prog_cc_pic='-PIC'
948      lt_cv_prog_cc_static='-Bstatic'
949      lt_cv_prog_cc_wl='-Qoption ld '
950      ;;
951
952    sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
953      lt_cv_prog_cc_pic='-KPIC'
954      lt_cv_prog_cc_static='-Bstatic'
955      if test "x$host_vendor" = xsni; then
956        lt_cv_prog_cc_wl='-LD'
957      else
958        lt_cv_prog_cc_wl='-Wl,'
959      fi
960      ;;
961
962    uts4*)
963      lt_cv_prog_cc_pic='-pic'
964      lt_cv_prog_cc_static='-Bstatic'
965      ;;
966
967    sysv4*MP*)
968      if test -d /usr/nec ;then
969        lt_cv_prog_cc_pic='-Kconform_pic'
970        lt_cv_prog_cc_static='-Bstatic'
971      fi
972      ;;
973
974    *)
975      lt_cv_prog_cc_can_build_shared=no
976      ;;
977    esac
978  fi
979])
980if test -z "$lt_cv_prog_cc_pic"; then
981  AC_MSG_RESULT([none])
982else
983  AC_MSG_RESULT([$lt_cv_prog_cc_pic])
984
985  # Check to make sure the pic_flag actually works.
986  AC_MSG_CHECKING([if $compiler PIC flag $lt_cv_prog_cc_pic works])
987  AC_CACHE_VAL(lt_cv_prog_cc_pic_works, [dnl
988    save_CFLAGS="$CFLAGS"
989    CFLAGS="$CFLAGS $lt_cv_prog_cc_pic -DPIC"
990    AC_TRY_COMPILE([], [], [dnl
991      case $host_os in
992      hpux9* | hpux10* | hpux11*)
993        # On HP-UX, both CC and GCC only warn that PIC is supported... then
994        # they create non-PIC objects.  So, if there were any warnings, we
995        # assume that PIC is not supported.
996        if test -s conftest.err; then
997          lt_cv_prog_cc_pic_works=no
998        else
999          lt_cv_prog_cc_pic_works=yes
1000        fi
1001        ;;
1002      *)
1003        lt_cv_prog_cc_pic_works=yes
1004        ;;
1005      esac
1006    ], [dnl
1007      lt_cv_prog_cc_pic_works=no
1008    ])
1009    CFLAGS="$save_CFLAGS"
1010  ])
1011
1012  if test "X$lt_cv_prog_cc_pic_works" = Xno; then
1013    lt_cv_prog_cc_pic=
1014    lt_cv_prog_cc_can_build_shared=no
1015  else
1016    lt_cv_prog_cc_pic=" $lt_cv_prog_cc_pic"
1017  fi
1018
1019  AC_MSG_RESULT([$lt_cv_prog_cc_pic_works])
1020fi
1021##
1022## END FIXME
1023
1024# Check for any special shared library compilation flags.
1025if test -n "$lt_cv_prog_cc_shlib"; then
1026  AC_MSG_WARN([\`$CC' requires \`$lt_cv_prog_cc_shlib' to build shared libraries])
1027  if echo "$old_CC $old_CFLAGS " | egrep -e "[[         ]]$lt_cv_prog_cc_shlib[[        ]]" >/dev/null; then :
1028  else
1029   AC_MSG_WARN([add \`$lt_cv_prog_cc_shlib' to the CC or CFLAGS env variable and reconfigure])
1030    lt_cv_prog_cc_can_build_shared=no
1031  fi
1032fi
1033
1034## FIXME: this should be a separate macro
1035##
1036AC_MSG_CHECKING([if $compiler static flag $lt_cv_prog_cc_static works])
1037AC_CACHE_VAL([lt_cv_prog_cc_static_works], [dnl
1038  lt_cv_prog_cc_static_works=no
1039  save_LDFLAGS="$LDFLAGS"
1040  LDFLAGS="$LDFLAGS $lt_cv_prog_cc_static"
1041  AC_TRY_LINK([], [], [lt_cv_prog_cc_static_works=yes])
1042  LDFLAGS="$save_LDFLAGS"
1043])
1044
1045# Belt *and* braces to stop my trousers falling down:
1046test "X$lt_cv_prog_cc_static_works" = Xno && lt_cv_prog_cc_static=
1047AC_MSG_RESULT([$lt_cv_prog_cc_static_works])
1048
1049pic_flag="$lt_cv_prog_cc_pic"
1050special_shlib_compile_flags="$lt_cv_prog_cc_shlib"
1051wl="$lt_cv_prog_cc_wl"
1052link_static_flag="$lt_cv_prog_cc_static"
1053no_builtin_flag="$lt_cv_prog_cc_no_builtin"
1054can_build_shared="$lt_cv_prog_cc_can_build_shared"
1055##
1056## END FIXME
1057
1058
1059## FIXME: this should be a separate macro
1060##
1061# Check to see if options -o and -c are simultaneously supported by compiler
1062AC_MSG_CHECKING([if $compiler supports -c -o file.$ac_objext])
1063AC_CACHE_VAL([lt_cv_compiler_c_o], [
1064$rm -r conftest 2>/dev/null
1065mkdir conftest
1066cd conftest
1067echo "int some_variable = 0;" > conftest.$ac_ext
1068mkdir out
1069# According to Tom Tromey, Ian Lance Taylor reported there are C compilers
1070# that will create temporary files in the current directory regardless of
1071# the output directory.  Thus, making CWD read-only will cause this test
1072# to fail, enabling locking or at least warning the user not to do parallel
1073# builds.
1074chmod -w .
1075save_CFLAGS="$CFLAGS"
1076CFLAGS="$CFLAGS -o out/conftest2.$ac_objext"
1077compiler_c_o=no
1078if { (eval echo configure:__oline__: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.$ac_objext; then
1079  # The compiler can only warn and ignore the option if not recognized
1080  # So say no if there are warnings
1081  if test -s out/conftest.err; then
1082    lt_cv_compiler_c_o=no
1083  else
1084    lt_cv_compiler_c_o=yes
1085  fi
1086else
1087  # Append any errors to the config.log.
1088  cat out/conftest.err 1>&AC_FD_CC
1089  lt_cv_compiler_c_o=no
1090fi
1091CFLAGS="$save_CFLAGS"
1092chmod u+w .
1093$rm conftest* out/*
1094rmdir out
1095cd ..
1096rmdir conftest
1097$rm -r conftest 2>/dev/null
1098])
1099compiler_c_o=$lt_cv_compiler_c_o
1100AC_MSG_RESULT([$compiler_c_o])
1101
1102if test x"$compiler_c_o" = x"yes"; then
1103  # Check to see if we can write to a .lo
1104  AC_MSG_CHECKING([if $compiler supports -c -o file.lo])
1105  AC_CACHE_VAL([lt_cv_compiler_o_lo], [
1106  lt_cv_compiler_o_lo=no
1107  save_CFLAGS="$CFLAGS"
1108  CFLAGS="$CFLAGS -c -o conftest.lo"
1109  save_objext="$ac_objext"
1110  ac_objext=lo
1111  AC_TRY_COMPILE([], [int some_variable = 0;], [dnl
1112    # The compiler can only warn and ignore the option if not recognized
1113    # So say no if there are warnings
1114    if test -s conftest.err; then
1115      lt_cv_compiler_o_lo=no
1116    else
1117      lt_cv_compiler_o_lo=yes
1118    fi
1119  ])
1120  ac_objext="$save_objext"
1121  CFLAGS="$save_CFLAGS"
1122  ])
1123  compiler_o_lo=$lt_cv_compiler_o_lo
1124  AC_MSG_RESULT([$compiler_o_lo])
1125else
1126  compiler_o_lo=no
1127fi
1128##
1129## END FIXME
1130
1131## FIXME: this should be a separate macro
1132##
1133# Check to see if we can do hard links to lock some files if needed
1134hard_links="nottested"
1135if test "$compiler_c_o" = no && test "$need_locks" != no; then
1136  # do not overwrite the value of need_locks provided by the user
1137  AC_MSG_CHECKING([if we can lock with hard links])
1138  hard_links=yes
1139  $rm conftest*
1140  ln conftest.a conftest.b 2>/dev/null && hard_links=no
1141  touch conftest.a
1142  ln conftest.a conftest.b 2>&5 || hard_links=no
1143  ln conftest.a conftest.b 2>/dev/null && hard_links=no
1144  AC_MSG_RESULT([$hard_links])
1145  if test "$hard_links" = no; then
1146    AC_MSG_WARN([\`$CC' does not support \`-c -o', so \`make -j' may be unsafe])
1147    need_locks=warn
1148  fi
1149else
1150  need_locks=no
1151fi
1152##
1153## END FIXME
1154
1155## FIXME: this should be a separate macro
1156##
1157if test "$GCC" = yes; then
1158  # Check to see if options -fno-rtti -fno-exceptions are supported by compiler
1159  AC_MSG_CHECKING([if $compiler supports -fno-rtti -fno-exceptions])
1160  echo "int some_variable = 0;" > conftest.$ac_ext
1161  save_CFLAGS="$CFLAGS"
1162  CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.$ac_ext"
1163  compiler_rtti_exceptions=no
1164  AC_TRY_COMPILE([], [int some_variable = 0;], [dnl
1165    # The compiler can only warn and ignore the option if not recognized
1166    # So say no if there are warnings
1167    if test -s conftest.err; then
1168      compiler_rtti_exceptions=no
1169    else
1170      compiler_rtti_exceptions=yes
1171    fi
1172  ])
1173  CFLAGS="$save_CFLAGS"
1174  AC_MSG_RESULT([$compiler_rtti_exceptions])
1175
1176  if test "$compiler_rtti_exceptions" = "yes"; then
1177    no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions'
1178  else
1179    no_builtin_flag=' -fno-builtin'
1180  fi
1181fi
1182##
1183## END FIXME
1184
1185## FIXME: this should be a separate macro
1186##
1187# See if the linker supports building shared libraries.
1188AC_MSG_CHECKING([whether the linker ($LD) supports shared libraries])
1189
1190allow_undefined_flag=
1191no_undefined_flag=
1192need_lib_prefix=unknown
1193need_version=unknown
1194# when you set need_version to no, make sure it does not cause -set_version
1195# flags to be left without arguments
1196archive_cmds=
1197archive_expsym_cmds=
1198old_archive_from_new_cmds=
1199old_archive_from_expsyms_cmds=
1200export_dynamic_flag_spec=
1201whole_archive_flag_spec=
1202thread_safe_flag_spec=
1203hardcode_into_libs=no
1204hardcode_libdir_flag_spec=
1205hardcode_libdir_separator=
1206hardcode_direct=no
1207hardcode_minus_L=no
1208hardcode_shlibpath_var=unsupported
1209runpath_var=
1210link_all_deplibs=unknown
1211always_export_symbols=no
1212export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
1213# include_expsyms should be a list of space-separated symbols to be *always*
1214# included in the symbol list
1215include_expsyms=
1216# exclude_expsyms can be an egrep regular expression of symbols to exclude
1217# it will be wrapped by ` (' and `)$', so one must not match beginning or
1218# end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
1219# as well as any symbol that contains `d'.
1220exclude_expsyms="_GLOBAL_OFFSET_TABLE_"
1221# Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
1222# platforms (ab)use it in PIC code, but their linkers get confused if
1223# the symbol is explicitly referenced.  Since portable code cannot
1224# rely on this symbol name, it's probably fine to never include it in
1225# preloaded symbol tables.
1226extract_expsyms_cmds=
1227
1228case $host_os in
1229cygwin* | mingw* | pw32*)
1230  # FIXME: the MSVC++ port hasn't been tested in a loooong time
1231  # When not using gcc, we currently assume that we are using
1232  # Microsoft Visual C++.
1233  if test "$GCC" != yes; then
1234    with_gnu_ld=no
1235  fi
1236  ;;
1237openbsd*)
1238  with_gnu_ld=no
1239  ;;
1240esac
1241
1242ld_shlibs=yes
1243if test "$with_gnu_ld" = yes; then
1244  # If archive_cmds runs LD, not CC, wlarc should be empty
1245  wlarc='${wl}'
1246
1247  # See if GNU ld supports shared libraries.
1248  case $host_os in
1249  aix3* | aix4* | aix5*)
1250    # On AIX, the GNU linker is very broken
1251    # Note:Check GNU linker on AIX 5-IA64 when/if it becomes available.
1252    ld_shlibs=no
1253    cat <<EOF 1>&2
1254
1255*** Warning: the GNU linker, at least up to release 2.9.1, is reported
1256*** to be unable to reliably create shared libraries on AIX.
1257*** Therefore, libtool is disabling shared libraries support.  If you
1258*** really care for shared libraries, you may want to modify your PATH
1259*** so that a non-GNU linker is found, and then restart.
1260
1261EOF
1262    ;;
1263
1264  amigaos*)
1265    archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
1266    hardcode_libdir_flag_spec='-L$libdir'
1267    hardcode_minus_L=yes
1268
1269    # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
1270    # that the semantics of dynamic libraries on AmigaOS, at least up
1271    # to version 4, is to share data among multiple programs linked
1272    # with the same dynamic library.  Since this doesn't match the
1273    # behavior of shared libraries on other platforms, we can use
1274    # them.
1275    ld_shlibs=no
1276    ;;
1277
1278  beos*)
1279    if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1280      allow_undefined_flag=unsupported
1281      # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
1282      # support --undefined.  This deserves some investigation.  FIXME
1283      archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
1284    else
1285      ld_shlibs=no
1286    fi
1287    ;;
1288
1289  cygwin* | mingw* | pw32*)
1290    # hardcode_libdir_flag_spec is actually meaningless, as there is
1291    # no search path for DLLs.
1292    hardcode_libdir_flag_spec='-L$libdir'
1293    allow_undefined_flag=unsupported
1294    always_export_symbols=yes
1295
1296    extract_expsyms_cmds='test -f $output_objdir/impgen.c || \
1297      sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //;s/^# *$//; p; }" -e d < $''0 > $output_objdir/impgen.c~
1298      test -f $output_objdir/impgen.exe || (cd $output_objdir && \
1299      if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \
1300      else $CC -o impgen impgen.c ; fi)~
1301      $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def'
1302
1303    old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
1304
1305    # cygwin and mingw dlls have different entry points and sets of symbols
1306    # to exclude.
1307    # FIXME: what about values for MSVC?
1308    dll_entry=__cygwin_dll_entry@12
1309    dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~
1310    case $host_os in
1311    mingw*)
1312      # mingw values
1313      dll_entry=_DllMainCRTStartup@12
1314      dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~
1315      ;;
1316    esac
1317
1318    # mingw and cygwin differ, and it's simplest to just exclude the union
1319    # of the two symbol sets.
1320    dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12
1321
1322    # recent cygwin and mingw systems supply a stub DllMain which the user
1323    # can override, but on older systems we have to supply one (in ltdll.c)
1324    if test "x$lt_cv_need_dllmain" = "xyes"; then
1325      ltdll_obj='$output_objdir/$soname-ltdll.'"$ac_objext "
1326      ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $''0 > $output_objdir/$soname-ltdll.c~
1327        test -f $output_objdir/$soname-ltdll.$ac_objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~'
1328    else
1329      ltdll_obj=
1330      ltdll_cmds=
1331    fi
1332
1333    # Extract the symbol export list from an `--export-all' def file,
1334    # then regenerate the def file from the symbol export list, so that
1335    # the compiled dll only exports the symbol export list.
1336    # Be careful not to strip the DATA tag left be newer dlltools.
1337    export_symbols_cmds="$ltdll_cmds"'
1338      $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~
1339      sed -e "1,/EXPORTS/d" -e "s/ @ [[0-9]]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols'
1340
1341    # If the export-symbols file already is a .def file (1st line
1342    # is EXPORTS), use it as is.
1343    # If DATA tags from a recent dlltool are present, honour them!
1344    archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then
1345        cp $export_symbols $output_objdir/$soname-def;
1346      else
1347        echo EXPORTS > $output_objdir/$soname-def;
1348        _lt_hint=1;
1349        cat $export_symbols | while read symbol; do
1350         set dummy \$symbol;
1351         case \[$]# in
1352           2) echo "   \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
1353           *) echo "     \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;;
1354         esac;
1355         _lt_hint=`expr 1 + \$_lt_hint`;
1356        done;
1357      fi~
1358      '"$ltdll_cmds"'
1359      $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
1360      $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~
1361      $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
1362      $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~
1363      $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags'
1364    ;;
1365
1366  netbsd*)
1367    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1368      archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
1369      wlarc=
1370    else
1371      archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
1372      archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1373    fi
1374    ;;
1375
1376  solaris* | sysv5*)
1377    if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
1378      ld_shlibs=no
1379      cat <<EOF 1>&2
1380
1381*** Warning: The releases 2.8.* of the GNU linker cannot reliably
1382*** create shared libraries on Solaris systems.  Therefore, libtool
1383*** is disabling shared libraries support.  We urge you to upgrade GNU
1384*** binutils to release 2.9.1 or newer.  Another option is to modify
1385*** your PATH or compiler configuration so that the native linker is
1386*** used, and then restart.
1387
1388EOF
1389    elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1390      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
1391      archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1392    else
1393      ld_shlibs=no
1394    fi
1395    ;;
1396
1397  sunos4*)
1398    archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
1399    wlarc=
1400    hardcode_direct=yes
1401    hardcode_shlibpath_var=no
1402    ;;
1403
1404  *)
1405    if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
1406      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
1407      archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
1408    else
1409      ld_shlibs=no
1410    fi
1411    ;;
1412  esac
1413
1414  if test "$ld_shlibs" = yes; then
1415    runpath_var=LD_RUN_PATH
1416    hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
1417    export_dynamic_flag_spec='${wl}--export-dynamic'
1418    case $host_os in
1419    cygwin* | mingw* | pw32*)
1420      # dlltool doesn't understand --whole-archive et. al.
1421      whole_archive_flag_spec=
1422      ;;
1423    *)
1424      # ancient GNU ld didn't support --whole-archive et. al.
1425      if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
1426        whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
1427      else
1428        whole_archive_flag_spec=
1429      fi
1430      ;;
1431    esac
1432  fi
1433else
1434  # PORTME fill in a description of your system's linker (not GNU ld)
1435  case $host_os in
1436  aix3*)
1437    allow_undefined_flag=unsupported
1438    always_export_symbols=yes
1439    archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
1440    # Note: this linker hardcodes the directories in LIBPATH if there
1441    # are no directories specified by -L.
1442    hardcode_minus_L=yes
1443    if test "$GCC" = yes && test -z "$link_static_flag"; then
1444      # Neither direct hardcoding nor static linking is supported with a
1445      # broken collect2.
1446      hardcode_direct=unsupported
1447    fi
1448    ;;
1449
1450  aix4* | aix5*)
1451    if test "$host_cpu" = ia64; then
1452      # On IA64, the linker does run time linking by default, so we don't
1453      # have to do anything special.
1454      aix_use_runtimelinking=no
1455      exp_sym_flag='-Bexport'
1456      no_entry_flag=""
1457    else
1458      aix_use_runtimelinking=no
1459
1460      # Test if we are trying to use run time linking or normal
1461      # AIX style linking. If -brtl is somewhere in LDFLAGS, we
1462      # need to do runtime linking.
1463      case $host_os in aix4.[[23]]|aix4.[[23]].*|aix5*)
1464        for ld_flag in $LDFLAGS; do
1465          if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
1466            aix_use_runtimelinking=yes
1467            break
1468          fi
1469        done
1470      esac
1471
1472      exp_sym_flag='-bexport'
1473      no_entry_flag='-bnoentry'
1474    fi
1475
1476    # When large executables or shared objects are built, AIX ld can
1477    # have problems creating the table of contents.  If linking a library
1478    # or program results in "error TOC overflow" add -mminimal-toc to
1479    # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
1480    # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
1481
1482    hardcode_direct=yes
1483    archive_cmds=''
1484    hardcode_libdir_separator=':'
1485    if test "$GCC" = yes; then
1486      case $host_os in aix4.[[012]]|aix4.[[012]].*)
1487        collect2name=`${CC} -print-prog-name=collect2`
1488        if test -f "$collect2name" && \
1489          strings "$collect2name" | grep resolve_lib_name >/dev/null
1490        then
1491          # We have reworked collect2
1492          hardcode_direct=yes
1493        else
1494          # We have old collect2
1495          hardcode_direct=unsupported
1496          # It fails to find uninstalled libraries when the uninstalled
1497          # path is not listed in the libpath.  Setting hardcode_minus_L
1498          # to unsupported forces relinking
1499          hardcode_minus_L=yes
1500          hardcode_libdir_flag_spec='-L$libdir'
1501          hardcode_libdir_separator=
1502        fi
1503      esac
1504
1505      shared_flag='-shared'
1506    else
1507      # not using gcc
1508      if test "$host_cpu" = ia64; then
1509        shared_flag='${wl}-G'
1510      else
1511        if test "$aix_use_runtimelinking" = yes; then
1512          shared_flag='${wl}-G'
1513        else
1514          shared_flag='${wl}-bM:SRE'
1515        fi
1516      fi
1517    fi
1518
1519    # It seems that -bexpall can do strange things, so it is better to
1520    # generate a list of symbols to export.
1521    always_export_symbols=yes
1522    if test "$aix_use_runtimelinking" = yes; then
1523      # Warning - without using the other runtime loading flags (-brtl),
1524      # -berok will link without error, but may produce a broken library.
1525      allow_undefined_flag='-berok'
1526      hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
1527      archive_expsym_cmds="\$CC"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols $shared_flag"
1528    else
1529      if test "$host_cpu" = ia64; then
1530        hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
1531        allow_undefined_flag="-z nodefs"
1532        archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname ${wl}-h$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
1533      else
1534        hardcode_libdir_flag_spec='${wl}-bnolibpath ${wl}-blibpath:$libdir:/usr/lib:/lib'
1535        # Warning - without using the other run time loading flags,
1536        # -berok will link without error, but may produce a broken library.
1537        allow_undefined_flag='${wl}-berok'
1538        # This is a bit strange, but is similar to how AIX traditionally builds
1539        # it's shared libraries.
1540        archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"' ~$AR -crlo $objdir/$libname$release.a $objdir/$soname'
1541      fi
1542    fi
1543    ;;
1544
1545  amigaos*)
1546    archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
1547    hardcode_libdir_flag_spec='-L$libdir'
1548    hardcode_minus_L=yes
1549    # see comment about different semantics on the GNU ld section
1550    ld_shlibs=no
1551    ;;
1552
1553  cygwin* | mingw* | pw32*)
1554    # When not using gcc, we currently assume that we are using
1555    # Microsoft Visual C++.
1556    # hardcode_libdir_flag_spec is actually meaningless, as there is
1557    # no search path for DLLs.
1558    hardcode_libdir_flag_spec=' '
1559    allow_undefined_flag=unsupported
1560    # Tell ltmain to make .lib files, not .a files.
1561    libext=lib
1562    # FIXME: Setting linknames here is a bad hack.
1563    archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
1564    # The linker will automatically build a .lib file if we build a DLL.
1565    old_archive_from_new_cmds='true'
1566    # FIXME: Should let the user specify the lib program.
1567    old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
1568    fix_srcfile_path='`cygpath -w "$srcfile"`'
1569    ;;
1570
1571  darwin* | rhapsody*)
1572    case "$host_os" in
1573    rhapsody* | darwin1.[[012]])
1574      allow_undefined_flag='-undefined suppress'
1575      ;;
1576    *) # Darwin 1.3 on
1577      allow_undefined_flag='-flat_namespace -undefined suppress'
1578      ;;
1579    esac
1580    # FIXME: Relying on posixy $() will cause problems for
1581    #        cross-compilation, but unfortunately the echo tests do not
1582    #        yet detect zsh echo's removal of \ escapes.
1583    archive_cmds='$nonopt $(test "x$module" = xyes && echo -bundle || echo -dynamiclib) $allow_undefined_flag -o $lib $libobjs $deplibs$linker_flags -install_name $rpath/$soname $verstring'
1584    # We need to add '_' to the symbols in $export_symbols first
1585    #archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols'
1586    hardcode_direct=yes
1587    hardcode_shlibpath_var=no
1588    whole_archive_flag_spec='-all_load $convenience'
1589    ;;
1590
1591  freebsd1*)
1592    ld_shlibs=no
1593    ;;
1594
1595  # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
1596  # support.  Future versions do this automatically, but an explicit c++rt0.o
1597  # does not break anything, and helps significantly (at the cost of a little
1598  # extra space).
1599  freebsd2.2*)
1600    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
1601    hardcode_libdir_flag_spec='-R$libdir'
1602    hardcode_direct=yes
1603    hardcode_shlibpath_var=no
1604    ;;
1605
1606  # Unfortunately, older versions of FreeBSD 2 do not have this feature.
1607  freebsd2*)
1608    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
1609    hardcode_direct=yes
1610    hardcode_minus_L=yes
1611    hardcode_shlibpath_var=no
1612    ;;
1613
1614  # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
1615  freebsd*)
1616    archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
1617    hardcode_libdir_flag_spec='-R$libdir'
1618    hardcode_direct=yes
1619    hardcode_shlibpath_var=no
1620    ;;
1621
1622  hpux9* | hpux10* | hpux11*)
1623    case $host_os in
1624    hpux9*) archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
1625    *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
1626    esac
1627    hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
1628    hardcode_libdir_separator=:
1629    hardcode_direct=yes
1630    hardcode_minus_L=yes # Not in the search PATH, but as the default
1631                         # location of the library.
1632    export_dynamic_flag_spec='${wl}-E'
1633    ;;
1634
1635  irix5* | irix6*)
1636    if test "$GCC" = yes; then
1637      archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
1638    else
1639      archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
1640    fi
1641    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1642    hardcode_libdir_separator=:
1643    link_all_deplibs=yes
1644    ;;
1645
1646  netbsd*)
1647    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
1648      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
1649    else
1650      archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
1651    fi
1652    hardcode_libdir_flag_spec='-R$libdir'
1653    hardcode_direct=yes
1654    hardcode_shlibpath_var=no
1655    ;;
1656
1657  newsos6)
1658    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1659    hardcode_direct=yes
1660    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1661    hardcode_libdir_separator=:
1662    hardcode_shlibpath_var=no
1663    ;;
1664
1665  openbsd*)
1666    hardcode_direct=yes
1667    hardcode_shlibpath_var=no
1668    if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
1669      archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linker_flags'
1670      hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
1671      export_dynamic_flag_spec='${wl}-E'
1672    else
1673      case "$host_os" in
1674      openbsd[[01]].* | openbsd2.[[0-7]] | openbsd2.[[0-7]].*)
1675        archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
1676        hardcode_libdir_flag_spec='-R$libdir'
1677        ;;
1678      *)
1679        archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linker_flags'
1680        hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
1681        ;;
1682      esac
1683    fi
1684    ;;
1685
1686  os2*)
1687    hardcode_libdir_flag_spec='-L$libdir'
1688    hardcode_minus_L=yes
1689    allow_undefined_flag=unsupported
1690    archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
1691    old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
1692    ;;
1693
1694  osf3*)
1695    if test "$GCC" = yes; then
1696      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1697      archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
1698    else
1699      allow_undefined_flag=' -expect_unresolved \*'
1700      archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
1701    fi
1702    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1703    hardcode_libdir_separator=:
1704    ;;
1705
1706  osf4* | osf5*)        # as osf3* with the addition of -msym flag
1707    if test "$GCC" = yes; then
1708      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
1709      archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib'
1710      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
1711    else
1712      allow_undefined_flag=' -expect_unresolved \*'
1713      archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib'
1714      archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
1715      $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib~$rm $lib.exp'
1716
1717      #Both c and cxx compiler support -rpath directly
1718      hardcode_libdir_flag_spec='-rpath $libdir'
1719    fi
1720    hardcode_libdir_separator=:
1721    ;;
1722
1723  sco3.2v5*)
1724    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1725    hardcode_shlibpath_var=no
1726    runpath_var=LD_RUN_PATH
1727    hardcode_runpath_var=yes
1728    export_dynamic_flag_spec='${wl}-Bexport'
1729    ;;
1730
1731  solaris*)
1732    # gcc --version < 3.0 without binutils cannot create self contained
1733    # shared libraries reliably, requiring libgcc.a to resolve some of
1734    # the object symbols generated in some cases.  Libraries that use
1735    # assert need libgcc.a to resolve __eprintf, for example.  Linking
1736    # a copy of libgcc.a into every shared library to guarantee resolving
1737    # such symbols causes other problems:  According to Tim Van Holder
1738    # <tim.van.holder@pandora.be>, C++ libraries end up with a separate
1739    # (to the application) exception stack for one thing.
1740    no_undefined_flag=' -z defs'
1741    if test "$GCC" = yes; then
1742      case `$CC --version 2>/dev/null` in
1743      [[12]].*)
1744        cat <<EOF 1>&2
1745
1746*** Warning: Releases of GCC earlier than version 3.0 cannot reliably
1747*** create self contained shared libraries on Solaris systems, without
1748*** introducing a dependency on libgcc.a.  Therefore, libtool is disabling
1749*** -no-undefined support, which will at least allow you to build shared
1750*** libraries.  However, you may find that when you link such libraries
1751*** into an application without using GCC, you have to manually add
1752*** \`gcc --print-libgcc-file-name\` to the link command.  We urge you to
1753*** upgrade to a newer version of GCC.  Another option is to rebuild your
1754*** current GCC to use the GNU linker from GNU binutils 2.9.1 or newer.
1755
1756EOF
1757        no_undefined_flag=
1758        ;;
1759      esac
1760    fi
1761    # $CC -shared without GNU ld will not create a library from C++
1762    # object files and a static libstdc++, better avoid it by now
1763    archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
1764    archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1765                $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
1766    hardcode_libdir_flag_spec='-R$libdir'
1767    hardcode_shlibpath_var=no
1768    case $host_os in
1769    solaris2.[[0-5]] | solaris2.[[0-5]].*) ;;
1770    *) # Supported since Solaris 2.6 (maybe 2.5.1?)
1771      whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
1772    esac
1773    link_all_deplibs=yes
1774    ;;
1775
1776  sunos4*)
1777    if test "x$host_vendor" = xsequent; then
1778      # Use $CC to link under sequent, because it throws in some extra .o
1779      # files that make .init and .fini sections work.
1780      archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags'
1781    else
1782      archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
1783    fi
1784    hardcode_libdir_flag_spec='-L$libdir'
1785    hardcode_direct=yes
1786    hardcode_minus_L=yes
1787    hardcode_shlibpath_var=no
1788    ;;
1789
1790  sysv4)
1791    if test "x$host_vendor" = xsno; then
1792      archive_cmds='$LD -G -Bsymbolic -h $soname -o $lib $libobjs $deplibs $linker_flags'
1793      hardcode_direct=yes # is this really true???
1794    else
1795      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1796      hardcode_direct=no #Motorola manual says yes, but my tests say they lie
1797    fi
1798    runpath_var='LD_RUN_PATH'
1799    hardcode_shlibpath_var=no
1800    ;;
1801
1802  sysv4.3*)
1803    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1804    hardcode_shlibpath_var=no
1805    export_dynamic_flag_spec='-Bexport'
1806    ;;
1807
1808  sysv5*)
1809    no_undefined_flag=' -z text'
1810    # $CC -shared without GNU ld will not create a library from C++
1811    # object files and a static libstdc++, better avoid it by now
1812    archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
1813    archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
1814                $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
1815    hardcode_libdir_flag_spec=
1816    hardcode_shlibpath_var=no
1817    runpath_var='LD_RUN_PATH'
1818    ;;
1819
1820  uts4*)
1821    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1822    hardcode_libdir_flag_spec='-L$libdir'
1823    hardcode_shlibpath_var=no
1824    ;;
1825
1826  dgux*)
1827    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1828    hardcode_libdir_flag_spec='-L$libdir'
1829    hardcode_shlibpath_var=no
1830    ;;
1831
1832  sysv4*MP*)
1833    if test -d /usr/nec; then
1834      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
1835      hardcode_shlibpath_var=no
1836      runpath_var=LD_RUN_PATH
1837      hardcode_runpath_var=yes
1838      ld_shlibs=yes
1839    fi
1840    ;;
1841
1842  sysv4.2uw2*)
1843    archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
1844    hardcode_direct=yes
1845    hardcode_minus_L=no
1846    hardcode_shlibpath_var=no
1847    hardcode_runpath_var=yes
1848    runpath_var=LD_RUN_PATH
1849    ;;
1850
1851  sysv5uw7* | unixware7*)
1852    no_undefined_flag='${wl}-z ${wl}text'
1853    if test "$GCC" = yes; then
1854      archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
1855    else
1856      archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
1857    fi
1858    runpath_var='LD_RUN_PATH'
1859    hardcode_shlibpath_var=no
1860    ;;
1861
1862  *)
1863    ld_shlibs=no
1864    ;;
1865  esac
1866fi
1867AC_MSG_RESULT([$ld_shlibs])
1868test "$ld_shlibs" = no && can_build_shared=no
1869##
1870## END FIXME
1871
1872## FIXME: this should be a separate macro
1873##
1874# Check hardcoding attributes.
1875AC_MSG_CHECKING([how to hardcode library paths into programs])
1876hardcode_action=
1877if test -n "$hardcode_libdir_flag_spec" || \
1878   test -n "$runpath_var"; then
1879
1880  # We can hardcode non-existant directories.
1881  if test "$hardcode_direct" != no &&
1882     # If the only mechanism to avoid hardcoding is shlibpath_var, we
1883     # have to relink, otherwise we might link with an installed library
1884     # when we should be linking with a yet-to-be-installed one
1885     ## test "$hardcode_shlibpath_var" != no &&
1886     test "$hardcode_minus_L" != no; then
1887    # Linking always hardcodes the temporary library directory.
1888    hardcode_action=relink
1889  else
1890    # We can link without hardcoding, and we can hardcode nonexisting dirs.
1891    hardcode_action=immediate
1892  fi
1893else
1894  # We cannot hardcode anything, or else we can only hardcode existing
1895  # directories.
1896  hardcode_action=unsupported
1897fi
1898AC_MSG_RESULT([$hardcode_action])
1899##
1900## END FIXME
1901
1902## FIXME: this should be a separate macro
1903##
1904striplib=
1905old_striplib=
1906AC_MSG_CHECKING([whether stripping libraries is possible])
1907if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then
1908  test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
1909  test -z "$striplib" && striplib="$STRIP --strip-unneeded"
1910  AC_MSG_RESULT([yes])
1911else
1912  AC_MSG_RESULT([no])
1913fi
1914##
1915## END FIXME
1916
1917reload_cmds='$LD$reload_flag -o $output$reload_objs'
1918test -z "$deplibs_check_method" && deplibs_check_method=unknown
1919
1920## FIXME: this should be a separate macro
1921##
1922# PORTME Fill in your ld.so characteristics
1923AC_MSG_CHECKING([dynamic linker characteristics])
1924library_names_spec=
1925libname_spec='lib$name'
1926soname_spec=
1927postinstall_cmds=
1928postuninstall_cmds=
1929finish_cmds=
1930finish_eval=
1931shlibpath_var=
1932shlibpath_overrides_runpath=unknown
1933version_type=none
1934dynamic_linker="$host_os ld.so"
1935sys_lib_dlsearch_path_spec="/lib /usr/lib"
1936sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1937
1938case $host_os in
1939aix3*)
1940  version_type=linux
1941  library_names_spec='${libname}${release}.so$versuffix $libname.a'
1942  shlibpath_var=LIBPATH
1943
1944  # AIX has no versioning support, so we append a major version to the name.
1945  soname_spec='${libname}${release}.so$major'
1946  ;;
1947
1948aix4* | aix5*)
1949  version_type=linux
1950  if test "$host_cpu" = ia64; then
1951    # AIX 5 supports IA64
1952    library_names_spec='${libname}${release}.so$major ${libname}${release}.so$versuffix $libname.so'
1953    shlibpath_var=LD_LIBRARY_PATH
1954  else
1955    # With GCC up to 2.95.x, collect2 would create an import file
1956    # for dependence libraries.  The import file would start with
1957    # the line `#! .'.  This would cause the generated library to
1958    # depend on `.', always an invalid library.  This was fixed in
1959    # development snapshots of GCC prior to 3.0.
1960    case $host_os in
1961      aix4 | aix4.[[01]] | aix4.[[01]].*)
1962        if { echo '#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 97)'
1963             echo ' yes '
1964             echo '#endif'; } | ${CC} -E - | grep yes > /dev/null; then
1965          :
1966        else
1967          can_build_shared=no
1968        fi
1969        ;;
1970    esac
1971    # AIX (on Power*) has no versioning support, so currently we can
1972    # not hardcode correct soname into executable. Probably we can
1973    # add versioning support to collect2, so additional links can
1974    # be useful in future.
1975    if test "$aix_use_runtimelinking" = yes; then
1976      # If using run time linking (on AIX 4.2 or later) use lib<name>.so
1977      # instead of lib<name>.a to let people know that these are not
1978      # typical AIX shared libraries.
1979      library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
1980    else
1981      # We preserve .a as extension for shared libraries through AIX4.2
1982      # and later when we are not doing run time linking.
1983      library_names_spec='${libname}${release}.a $libname.a'
1984      soname_spec='${libname}${release}.so$major'
1985    fi
1986    shlibpath_var=LIBPATH
1987  fi
1988  ;;
1989
1990amigaos*)
1991  library_names_spec='$libname.ixlibrary $libname.a'
1992  # Create ${libname}_ixlibrary.a entries in /sys/libs.
1993  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 ${libname}_ixlibrary.a) || exit 1; done'
1994  ;;
1995
1996beos*)
1997  library_names_spec='${libname}.so'
1998  dynamic_linker="$host_os ld.so"
1999  shlibpath_var=LIBRARY_PATH
2000  ;;
2001
2002bsdi4*)
2003  version_type=linux
2004  need_version=no
2005  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2006  soname_spec='${libname}${release}.so$major'
2007  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'
2008  shlibpath_var=LD_LIBRARY_PATH
2009  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"
2010  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"
2011  export_dynamic_flag_spec=-rdynamic
2012  # the default ld.so.conf also contains /usr/contrib/lib and
2013  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow
2014  # libtool to hard-code these into programs
2015  ;;
2016
2017cygwin* | mingw* | pw32*)
2018  version_type=windows
2019  need_version=no
2020  need_lib_prefix=no
2021  case $GCC,$host_os in
2022  yes,cygwin*)
2023    library_names_spec='$libname.dll.a'
2024    soname_spec='`echo ${libname} | sed -e 's/^lib/cyg/'``echo ${release} | sed -e 's/[[.]]/-/g'`${versuffix}.dll'
2025    postinstall_cmds='dlpath=`bash 2>&1 -c '\''. $dir/${file}i;echo \$dlname'\''`~
2026      dldir=$destdir/`dirname \$dlpath`~
2027      test -d \$dldir || mkdir -p \$dldir~
2028      $install_prog .libs/$dlname \$dldir/$dlname'
2029    postuninstall_cmds='dldll=`bash 2>&1 -c '\''. $file; echo \$dlname'\''`~
2030      dlpath=$dir/\$dldll~
2031       $rm \$dlpath'
2032    ;;
2033  yes,mingw*)
2034    library_names_spec='${libname}`echo ${release} | sed -e 's/[[.]]/-/g'`${versuffix}.dll'
2035    sys_lib_search_path_spec=`$CC -print-search-dirs | grep "^libraries:" | sed -e "s/^libraries://" -e "s/;/ /g"`
2036    ;;
2037  yes,pw32*)
2038    library_names_spec='`echo ${libname} | sed -e 's/^lib/pw/'``echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll'
2039    ;;
2040  *)
2041    library_names_spec='${libname}`echo ${release} | sed -e 's/[[.]]/-/g'`${versuffix}.dll $libname.lib'
2042    ;;
2043  esac
2044  dynamic_linker='Win32 ld.exe'
2045  # FIXME: first we should search . and the directory the executable is in
2046  shlibpath_var=PATH
2047  ;;
2048
2049darwin* | rhapsody*)
2050  dynamic_linker="$host_os dyld"
2051  version_type=darwin
2052  need_lib_prefix=no
2053  need_version=no
2054  # FIXME: Relying on posixy $() will cause problems for
2055  #        cross-compilation, but unfortunately the echo tests do not
2056  #        yet detect zsh echo's removal of \ escapes.
2057  library_names_spec='${libname}${release}${versuffix}.$(test .$module = .yes && echo so || echo dylib) ${libname}${release}${major}.$(test .$module = .yes && echo so || echo dylib) ${libname}.$(test .$module = .yes && echo so || echo dylib)'
2058  soname_spec='${libname}${release}${major}.$(test .$module = .yes && echo so || echo dylib)'
2059  shlibpath_overrides_runpath=yes
2060  shlibpath_var=DYLD_LIBRARY_PATH
2061  ;;
2062
2063freebsd1*)
2064  dynamic_linker=no
2065  ;;
2066
2067freebsd*)
2068  objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`
2069  version_type=freebsd-$objformat
2070  case $version_type in
2071    freebsd-elf*)
2072      library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
2073      need_version=no
2074      need_lib_prefix=no
2075      ;;
2076    freebsd-*)
2077      library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'
2078      need_version=yes
2079      ;;
2080  esac
2081  shlibpath_var=LD_LIBRARY_PATH
2082  case $host_os in
2083  freebsd2*)
2084    shlibpath_overrides_runpath=yes
2085    ;;
2086  *)
2087    shlibpath_overrides_runpath=no
2088    hardcode_into_libs=yes
2089    ;;
2090  esac
2091  ;;
2092
2093gnu*)
2094  version_type=linux
2095  need_lib_prefix=no
2096  need_version=no
2097  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'
2098  soname_spec='${libname}${release}.so$major'
2099  shlibpath_var=LD_LIBRARY_PATH
2100  hardcode_into_libs=yes
2101  ;;
2102
2103hpux9* | hpux10* | hpux11*)
2104  # Give a soname corresponding to the major version so that dld.sl refuses to
2105  # link against other versions.
2106  dynamic_linker="$host_os dld.sl"
2107  version_type=sunos
2108  need_lib_prefix=no
2109  need_version=no
2110  shlibpath_var=SHLIB_PATH
2111  shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH
2112  library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'
2113  soname_spec='${libname}${release}.sl$major'
2114  # HP-UX runs *really* slowly unless shared libraries are mode 555.
2115  postinstall_cmds='chmod 555 $lib'
2116  ;;
2117
2118irix5* | irix6*)
2119  version_type=irix
2120  need_lib_prefix=no
2121  need_version=no
2122  soname_spec='${libname}${release}.so$major'
2123  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so $libname.so'
2124  case $host_os in
2125  irix5*)
2126    libsuff= shlibsuff=
2127    ;;
2128  *)
2129    case $LD in # libtool.m4 will add one of these switches to LD
2130    *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;
2131    *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;
2132    *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;
2133    *) libsuff= shlibsuff= libmagic=never-match;;
2134    esac
2135    ;;
2136  esac
2137  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH
2138  shlibpath_overrides_runpath=no
2139  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"
2140  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"
2141  ;;
2142
2143# No shared lib support for Linux oldld, aout, or coff.
2144linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
2145  dynamic_linker=no
2146  ;;
2147
2148# This must be Linux ELF.
2149linux-gnu*)
2150  version_type=linux
2151  need_lib_prefix=no
2152  need_version=no
2153  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2154  soname_spec='${libname}${release}.so$major'
2155  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
2156  shlibpath_var=LD_LIBRARY_PATH
2157  shlibpath_overrides_runpath=no
2158  # This implies no fast_install, which is unacceptable.
2159  # Some rework will be needed to allow for fast_install
2160  # before this can be enabled.
2161  hardcode_into_libs=yes
2162
2163  # We used to test for /lib/ld.so.1 and disable shared libraries on
2164  # powerpc, because MkLinux only supported shared libraries with the
2165  # GNU dynamic linker.  Since this was broken with cross compilers,
2166  # most powerpc-linux boxes support dynamic linking these days and
2167  # people can always --disable-shared, the test was removed, and we
2168  # assume the GNU/Linux dynamic linker is in use.
2169  dynamic_linker='GNU/Linux ld.so'
2170  ;;
2171
2172netbsd*)
2173  version_type=sunos
2174  need_lib_prefix=no
2175  need_version=no
2176  if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
2177    library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2178    finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
2179    dynamic_linker='NetBSD (a.out) ld.so'
2180  else
2181    library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so'
2182    soname_spec='${libname}${release}.so$major'
2183    dynamic_linker='NetBSD ld.elf_so'
2184  fi
2185  shlibpath_var=LD_LIBRARY_PATH
2186  shlibpath_overrides_runpath=yes
2187  hardcode_into_libs=yes
2188  ;;
2189
2190newsos6)
2191  version_type=linux
2192  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2193  shlibpath_var=LD_LIBRARY_PATH
2194  shlibpath_overrides_runpath=yes
2195  ;;
2196
2197openbsd*)
2198  version_type=sunos
2199  need_lib_prefix=no
2200  need_version=no
2201  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
2202    case "$host_os" in
2203    openbsd2.[[89]] | openbsd2.[[89]].*)
2204      shlibpath_overrides_runpath=no
2205      ;;
2206    *)
2207      shlibpath_overrides_runpath=yes
2208      ;;
2209    esac
2210  else
2211    shlibpath_overrides_runpath=yes
2212  fi
2213  library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2214  finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir'
2215  shlibpath_var=LD_LIBRARY_PATH
2216  ;;
2217
2218os2*)
2219  libname_spec='$name'
2220  need_lib_prefix=no
2221  library_names_spec='$libname.dll $libname.a'
2222  dynamic_linker='OS/2 ld.exe'
2223  shlibpath_var=LIBPATH
2224  ;;
2225
2226osf3* | osf4* | osf5*)
2227  version_type=osf
2228  need_version=no
2229  soname_spec='${libname}${release}.so'
2230  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'
2231  shlibpath_var=LD_LIBRARY_PATH
2232  sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib"
2233  sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec"
2234  ;;
2235
2236sco3.2v5*)
2237  version_type=osf
2238  soname_spec='${libname}${release}.so$major'
2239  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2240  shlibpath_var=LD_LIBRARY_PATH
2241  ;;
2242
2243solaris*)
2244  version_type=linux
2245  need_lib_prefix=no
2246  need_version=no
2247  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2248  soname_spec='${libname}${release}.so$major'
2249  shlibpath_var=LD_LIBRARY_PATH
2250  shlibpath_overrides_runpath=yes
2251  hardcode_into_libs=yes
2252  # ldd complains unless libraries are executable
2253  postinstall_cmds='chmod +x $lib'
2254  ;;
2255
2256sunos4*)
2257  version_type=sunos
2258  library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix'
2259  finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir'
2260  shlibpath_var=LD_LIBRARY_PATH
2261  shlibpath_overrides_runpath=yes
2262  if test "$with_gnu_ld" = yes; then
2263    need_lib_prefix=no
2264  fi
2265  need_version=yes
2266  ;;
2267
2268sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
2269  version_type=linux
2270  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2271  soname_spec='${libname}${release}.so$major'
2272  shlibpath_var=LD_LIBRARY_PATH
2273  case $host_vendor in
2274    sni)
2275      shlibpath_overrides_runpath=no
2276      ;;
2277    motorola)
2278      need_lib_prefix=no
2279      need_version=no
2280      shlibpath_overrides_runpath=no
2281      sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
2282      ;;
2283  esac
2284  ;;
2285
2286uts4*)
2287  version_type=linux
2288  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2289  soname_spec='${libname}${release}.so$major'
2290  shlibpath_var=LD_LIBRARY_PATH
2291  ;;
2292
2293dgux*)
2294  version_type=linux
2295  need_lib_prefix=no
2296  need_version=no
2297  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2298  soname_spec='${libname}${release}.so$major'
2299  shlibpath_var=LD_LIBRARY_PATH
2300  ;;
2301
2302sysv4*MP*)
2303  if test -d /usr/nec ;then
2304    version_type=linux
2305    library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so'
2306    soname_spec='$libname.so.$major'
2307    shlibpath_var=LD_LIBRARY_PATH
2308  fi
2309  ;;
2310
2311*)
2312  dynamic_linker=no
2313  ;;
2314esac
2315AC_MSG_RESULT([$dynamic_linker])
2316test "$dynamic_linker" = no && can_build_shared=no
2317##
2318## END FIXME
2319
2320## FIXME: this should be a separate macro
2321##
2322# Report the final consequences.
2323AC_MSG_CHECKING([if libtool supports shared libraries])
2324AC_MSG_RESULT([$can_build_shared])
2325##
2326## END FIXME
2327
2328## FIXME: this should be a separate macro
2329##
2330AC_MSG_CHECKING([whether to build shared libraries])
2331test "$can_build_shared" = "no" && enable_shared=no
2332
2333# On AIX, shared libraries and static libraries use the same namespace, and
2334# are all built from PIC.
2335case "$host_os" in
2336aix3*)
2337  test "$enable_shared" = yes && enable_static=no
2338  if test -n "$RANLIB"; then
2339    archive_cmds="$archive_cmds~\$RANLIB \$lib"
2340    postinstall_cmds='$RANLIB $lib'
2341  fi
2342  ;;
2343
2344aix4*)
2345  if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
2346    test "$enable_shared" = yes && enable_static=no
2347  fi
2348  ;;
2349esac
2350AC_MSG_RESULT([$enable_shared])
2351##
2352## END FIXME
2353
2354## FIXME: this should be a separate macro
2355##
2356AC_MSG_CHECKING([whether to build static libraries])
2357# Make sure either enable_shared or enable_static is yes.
2358test "$enable_shared" = yes || enable_static=yes
2359AC_MSG_RESULT([$enable_static])
2360##
2361## END FIXME
2362
2363if test "$hardcode_action" = relink; then
2364  # Fast installation is not supported
2365  enable_fast_install=no
2366elif test "$shlibpath_overrides_runpath" = yes ||
2367     test "$enable_shared" = no; then
2368  # Fast installation is not necessary
2369  enable_fast_install=needless
2370fi
2371
2372variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
2373if test "$GCC" = yes; then
2374  variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
2375fi
2376
2377AC_LIBTOOL_DLOPEN_SELF
2378
2379## FIXME: this should be a separate macro
2380##
2381if test "$enable_shared" = yes && test "$GCC" = yes; then
2382  case $archive_cmds in
2383  *'~'*)
2384    # FIXME: we may have to deal with multi-command sequences.
2385    ;;
2386  '$CC '*)
2387    # Test whether the compiler implicitly links with -lc since on some
2388    # systems, -lgcc has to come before -lc. If gcc already passes -lc
2389    # to ld, don't add -lc before -lgcc.
2390    AC_MSG_CHECKING([whether -lc should be explicitly linked in])
2391    AC_CACHE_VAL([lt_cv_archive_cmds_need_lc],
2392    [$rm conftest*
2393    echo 'static int dummy;' > conftest.$ac_ext
2394
2395    if AC_TRY_EVAL(ac_compile); then
2396      soname=conftest
2397      lib=conftest
2398      libobjs=conftest.$ac_objext
2399      deplibs=
2400      wl=$lt_cv_prog_cc_wl
2401      compiler_flags=-v
2402      linker_flags=-v
2403      verstring=
2404      output_objdir=.
2405      libname=conftest
2406      save_allow_undefined_flag=$allow_undefined_flag
2407      allow_undefined_flag=
2408      if AC_TRY_EVAL(archive_cmds 2\>\&1 \| grep \" -lc \" \>/dev/null 2\>\&1)
2409      then
2410        lt_cv_archive_cmds_need_lc=no
2411      else
2412        lt_cv_archive_cmds_need_lc=yes
2413      fi
2414      allow_undefined_flag=$save_allow_undefined_flag
2415    else
2416      cat conftest.err 1>&5
2417    fi])
2418    AC_MSG_RESULT([$lt_cv_archive_cmds_need_lc])
2419    ;;
2420  esac
2421fi
2422need_lc=${lt_cv_archive_cmds_need_lc-yes}
2423##
2424## END FIXME
2425
2426## FIXME: this should be a separate macro
2427##
2428# The second clause should only fire when bootstrapping the
2429# libtool distribution, otherwise you forgot to ship ltmain.sh
2430# with your package, and you will get complaints that there are
2431# no rules to generate ltmain.sh.
2432if test -f "$ltmain"; then
2433  :
2434else
2435  # If there is no Makefile yet, we rely on a make rule to execute
2436  # `config.status --recheck' to rerun these tests and create the
2437  # libtool script then.
2438  test -f Makefile && make "$ltmain"
2439fi
2440
2441if test -f "$ltmain"; then
2442  trap "$rm \"${ofile}T\"; exit 1" 1 2 15
2443  $rm -f "${ofile}T"
2444
2445  echo creating $ofile
2446
2447  # Now quote all the things that may contain metacharacters while being
2448  # careful not to overquote the AC_SUBSTed values.  We take copies of the
2449  # variables and quote the copies for generation of the libtool script.
2450  for var in echo old_CC old_CFLAGS \
2451    AR AR_FLAGS CC LD LN_S NM SHELL \
2452    reload_flag reload_cmds wl \
2453    pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \
2454    thread_safe_flag_spec whole_archive_flag_spec libname_spec \
2455    library_names_spec soname_spec \
2456    RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \
2457    old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds \
2458    postuninstall_cmds extract_expsyms_cmds old_archive_from_expsyms_cmds \
2459    old_striplib striplib file_magic_cmd export_symbols_cmds \
2460    deplibs_check_method allow_undefined_flag no_undefined_flag \
2461    finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \
2462    global_symbol_to_c_name_address \
2463    hardcode_libdir_flag_spec hardcode_libdir_separator  \
2464    sys_lib_search_path_spec sys_lib_dlsearch_path_spec \
2465    compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do
2466
2467    case $var in
2468    reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \
2469    old_postinstall_cmds | old_postuninstall_cmds | \
2470    export_symbols_cmds | archive_cmds | archive_expsym_cmds | \
2471    extract_expsyms_cmds | old_archive_from_expsyms_cmds | \
2472    postinstall_cmds | postuninstall_cmds | \
2473    finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
2474      # Double-quote double-evaled strings.
2475      eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
2476      ;;
2477    *)
2478      eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
2479      ;;
2480    esac
2481  done
2482
2483  cat <<__EOF__ > "${ofile}T"
2484#! $SHELL
2485
2486# `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services.
2487# Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP)
2488# NOTE: Changes made to this file will be lost: look at ltmain.sh.
2489#
2490# Copyright (C) 1996-2000 Free Software Foundation, Inc.
2491# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
2492#
2493# This program is free software; you can redistribute it and/or modify
2494# it under the terms of the GNU General Public License as published by
2495# the Free Software Foundation; either version 2 of the License, or
2496# (at your option) any later version.
2497#
2498# This program is distributed in the hope that it will be useful, but
2499# WITHOUT ANY WARRANTY; without even the implied warranty of
2500# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
2501# General Public License for more details.
2502#
2503# You should have received a copy of the GNU General Public License
2504# along with this program; if not, write to the Free Software
2505# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2506#
2507# As a special exception to the GNU General Public License, if you
2508# distribute this file as part of a program that contains a
2509# configuration script generated by Autoconf, you may include it under
2510# the same distribution terms that you use for the rest of that program.
2511
2512# Sed that helps us avoid accidentally triggering echo(1) options like -n.
2513Xsed="sed -e s/^X//"
2514
2515# The HP-UX ksh and POSIX shell print the target directory to stdout
2516# if CDPATH is set.
2517if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
2518
2519# ### BEGIN LIBTOOL CONFIG
2520
2521# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
2522
2523# Shell to use when invoking shell scripts.
2524SHELL=$lt_SHELL
2525
2526# Whether or not to build shared libraries.
2527build_libtool_libs=$enable_shared
2528
2529# Whether or not to build static libraries.
2530build_old_libs=$enable_static
2531
2532# Whether or not to add -lc for building shared libraries.
2533build_libtool_need_lc=$need_lc
2534
2535# Whether or not to optimize for fast installation.
2536fast_install=$enable_fast_install
2537
2538# The host system.
2539host_alias=$host_alias
2540host=$host
2541
2542# An echo program that does not interpret backslashes.
2543echo=$lt_echo
2544
2545# The archiver.
2546AR=$lt_AR
2547AR_FLAGS=$lt_AR_FLAGS
2548
2549# The default C compiler.
2550CC=$lt_CC
2551
2552# Is the compiler the GNU C compiler?
2553with_gcc=$GCC
2554
2555# The linker used to build libraries.
2556LD=$lt_LD
2557
2558# Whether we need hard or soft links.
2559LN_S=$lt_LN_S
2560
2561# A BSD-compatible nm program.
2562NM=$lt_NM
2563
2564# A symbol stripping program
2565STRIP=$STRIP
2566
2567# Used to examine libraries when file_magic_cmd begins "file"
2568MAGIC_CMD=$MAGIC_CMD
2569
2570# Used on cygwin: DLL creation program.
2571DLLTOOL="$DLLTOOL"
2572
2573# Used on cygwin: object dumper.
2574OBJDUMP="$OBJDUMP"
2575
2576# Used on cygwin: assembler.
2577AS="$AS"
2578
2579# The name of the directory that contains temporary libtool files.
2580objdir=$objdir
2581
2582# How to create reloadable object files.
2583reload_flag=$lt_reload_flag
2584reload_cmds=$lt_reload_cmds
2585
2586# How to pass a linker flag through the compiler.
2587wl=$lt_wl
2588
2589# Object file suffix (normally "o").
2590objext="$ac_objext"
2591
2592# Old archive suffix (normally "a").
2593libext="$libext"
2594
2595# Executable file suffix (normally "").
2596exeext="$exeext"
2597
2598# Additional compiler flags for building library objects.
2599pic_flag=$lt_pic_flag
2600pic_mode=$pic_mode
2601
2602# Does compiler simultaneously support -c and -o options?
2603compiler_c_o=$lt_compiler_c_o
2604
2605# Can we write directly to a .lo ?
2606compiler_o_lo=$lt_compiler_o_lo
2607
2608# Must we lock files when doing compilation ?
2609need_locks=$lt_need_locks
2610
2611# Do we need the lib prefix for modules?
2612need_lib_prefix=$need_lib_prefix
2613
2614# Do we need a version for libraries?
2615need_version=$need_version
2616
2617# Whether dlopen is supported.
2618dlopen_support=$enable_dlopen
2619
2620# Whether dlopen of programs is supported.
2621dlopen_self=$enable_dlopen_self
2622
2623# Whether dlopen of statically linked programs is supported.
2624dlopen_self_static=$enable_dlopen_self_static
2625
2626# Compiler flag to prevent dynamic linking.
2627link_static_flag=$lt_link_static_flag
2628
2629# Compiler flag to turn off builtin functions.
2630no_builtin_flag=$lt_no_builtin_flag
2631
2632# Compiler flag to allow reflexive dlopens.
2633export_dynamic_flag_spec=$lt_export_dynamic_flag_spec
2634
2635# Compiler flag to generate shared objects directly from archives.
2636whole_archive_flag_spec=$lt_whole_archive_flag_spec
2637
2638# Compiler flag to generate thread-safe objects.
2639thread_safe_flag_spec=$lt_thread_safe_flag_spec
2640
2641# Library versioning type.
2642version_type=$version_type
2643
2644# Format of library name prefix.
2645libname_spec=$lt_libname_spec
2646
2647# List of archive names.  First name is the real one, the rest are links.
2648# The last name is the one that the linker finds with -lNAME.
2649library_names_spec=$lt_library_names_spec
2650
2651# The coded name of the library, if different from the real name.
2652soname_spec=$lt_soname_spec
2653
2654# Commands used to build and install an old-style archive.
2655RANLIB=$lt_RANLIB
2656old_archive_cmds=$lt_old_archive_cmds
2657old_postinstall_cmds=$lt_old_postinstall_cmds
2658old_postuninstall_cmds=$lt_old_postuninstall_cmds
2659
2660# Create an old-style archive from a shared archive.
2661old_archive_from_new_cmds=$lt_old_archive_from_new_cmds
2662
2663# Create a temporary old-style archive to link instead of a shared archive.
2664old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds
2665
2666# Commands used to build and install a shared archive.
2667archive_cmds=$lt_archive_cmds
2668archive_expsym_cmds=$lt_archive_expsym_cmds
2669postinstall_cmds=$lt_postinstall_cmds
2670postuninstall_cmds=$lt_postuninstall_cmds
2671
2672# Commands to strip libraries.
2673old_striplib=$lt_old_striplib
2674striplib=$lt_striplib
2675
2676# Method to check whether dependent libraries are shared objects.
2677deplibs_check_method=$lt_deplibs_check_method
2678
2679# Command to use when deplibs_check_method == file_magic.
2680file_magic_cmd=$lt_file_magic_cmd
2681
2682# Flag that allows shared libraries with undefined symbols to be built.
2683allow_undefined_flag=$lt_allow_undefined_flag
2684
2685# Flag that forces no undefined symbols.
2686no_undefined_flag=$lt_no_undefined_flag
2687
2688# Commands used to finish a libtool library installation in a directory.
2689finish_cmds=$lt_finish_cmds
2690
2691# Same as above, but a single script fragment to be evaled but not shown.
2692finish_eval=$lt_finish_eval
2693
2694# Take the output of nm and produce a listing of raw symbols and C names.
2695global_symbol_pipe=$lt_global_symbol_pipe
2696
2697# Transform the output of nm in a proper C declaration
2698global_symbol_to_cdecl=$lt_global_symbol_to_cdecl
2699
2700# Transform the output of nm in a C name address pair
2701global_symbol_to_c_name_address=$lt_global_symbol_to_c_name_address
2702
2703# This is the shared library runtime path variable.
2704runpath_var=$runpath_var
2705
2706# This is the shared library path variable.
2707shlibpath_var=$shlibpath_var
2708
2709# Is shlibpath searched before the hard-coded library search path?
2710shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2711
2712# How to hardcode a shared library path into an executable.
2713hardcode_action=$hardcode_action
2714
2715# Whether we should hardcode library paths into libraries.
2716hardcode_into_libs=$hardcode_into_libs
2717
2718# Flag to hardcode \$libdir into a binary during linking.
2719# This must work even if \$libdir does not exist.
2720hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
2721
2722# Whether we need a single -rpath flag with a separated argument.
2723hardcode_libdir_separator=$lt_hardcode_libdir_separator
2724
2725# Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2726# resulting binary.
2727hardcode_direct=$hardcode_direct
2728
2729# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2730# resulting binary.
2731hardcode_minus_L=$hardcode_minus_L
2732
2733# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2734# the resulting binary.
2735hardcode_shlibpath_var=$hardcode_shlibpath_var
2736
2737# Variables whose values should be saved in libtool wrapper scripts and
2738# restored at relink time.
2739variables_saved_for_relink="$variables_saved_for_relink"
2740
2741# Whether libtool must link a program against all its dependency libraries.
2742link_all_deplibs=$link_all_deplibs
2743
2744# Compile-time system search path for libraries
2745sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
2746
2747# Run-time system search path for libraries
2748sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
2749
2750# Fix the shell variable \$srcfile for the compiler.
2751fix_srcfile_path="$fix_srcfile_path"
2752
2753# Set to yes if exported symbols are required.
2754always_export_symbols=$always_export_symbols
2755
2756# The commands to list exported symbols.
2757export_symbols_cmds=$lt_export_symbols_cmds
2758
2759# The commands to extract the exported symbol list from a shared archive.
2760extract_expsyms_cmds=$lt_extract_expsyms_cmds
2761
2762# Symbols that should not be listed in the preloaded symbols.
2763exclude_expsyms=$lt_exclude_expsyms
2764
2765# Symbols that must always be exported.
2766include_expsyms=$lt_include_expsyms
2767
2768# ### END LIBTOOL CONFIG
2769
2770__EOF__
2771
2772  case $host_os in
2773  aix3*)
2774    cat <<\EOF >> "${ofile}T"
2775
2776# AIX sometimes has problems with the GCC collect2 program.  For some
2777# reason, if we set the COLLECT_NAMES environment variable, the problems
2778# vanish in a puff of smoke.
2779if test "X${COLLECT_NAMES+set}" != Xset; then
2780  COLLECT_NAMES=
2781  export COLLECT_NAMES
2782fi
2783EOF
2784    ;;
2785  esac
2786
2787  case $host_os in
2788  cygwin* | mingw* | pw32* | os2*)
2789    cat <<'EOF' >> "${ofile}T"
2790      # This is a source program that is used to create dlls on Windows
2791      # Don't remove nor modify the starting and closing comments
2792# /* ltdll.c starts here */
2793# #define WIN32_LEAN_AND_MEAN
2794# #include <windows.h>
2795# #undef WIN32_LEAN_AND_MEAN
2796# #include <stdio.h>
2797#
2798# #ifndef __CYGWIN__
2799# #  ifdef __CYGWIN32__
2800# #    define __CYGWIN__ __CYGWIN32__
2801# #  endif
2802# #endif
2803#
2804# #ifdef __cplusplus
2805# extern "C" {
2806# #endif
2807# BOOL APIENTRY DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved);
2808# #ifdef __cplusplus
2809# }
2810# #endif
2811#
2812# #ifdef __CYGWIN__
2813# #include <cygwin/cygwin_dll.h>
2814# DECLARE_CYGWIN_DLL( DllMain );
2815# #endif
2816# HINSTANCE __hDllInstance_base;
2817#
2818# BOOL APIENTRY
2819# DllMain (HINSTANCE hInst, DWORD reason, LPVOID reserved)
2820# {
2821#   __hDllInstance_base = hInst;
2822#   return TRUE;
2823# }
2824# /* ltdll.c ends here */
2825        # This is a source program that is used to create import libraries
2826        # on Windows for dlls which lack them. Don't remove nor modify the
2827        # starting and closing comments
2828# /* impgen.c starts here */
2829# /*   Copyright (C) 1999-2000 Free Software Foundation, Inc.
2830#
2831#  This file is part of GNU libtool.
2832#
2833#  This program is free software; you can redistribute it and/or modify
2834#  it under the terms of the GNU General Public License as published by
2835#  the Free Software Foundation; either version 2 of the License, or
2836#  (at your option) any later version.
2837#
2838#  This program is distributed in the hope that it will be useful,
2839#  but WITHOUT ANY WARRANTY; without even the implied warranty of
2840#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2841#  GNU General Public License for more details.
2842#
2843#  You should have received a copy of the GNU General Public License
2844#  along with this program; if not, write to the Free Software
2845#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
2846#  */
2847#
2848# #include <stdio.h>            /* for printf() */
2849# #include <unistd.h>           /* for open(), lseek(), read() */
2850# #include <fcntl.h>            /* for O_RDONLY, O_BINARY */
2851# #include <string.h>           /* for strdup() */
2852#
2853# /* O_BINARY isn't required (or even defined sometimes) under Unix */
2854# #ifndef O_BINARY
2855# #define O_BINARY 0
2856# #endif
2857#
2858# static unsigned int
2859# pe_get16 (fd, offset)
2860#      int fd;
2861#      int offset;
2862# {
2863#   unsigned char b[2];
2864#   lseek (fd, offset, SEEK_SET);
2865#   read (fd, b, 2);
2866#   return b[0] + (b[1]<<8);
2867# }
2868#
2869# static unsigned int
2870# pe_get32 (fd, offset)
2871#     int fd;
2872#     int offset;
2873# {
2874#   unsigned char b[4];
2875#   lseek (fd, offset, SEEK_SET);
2876#   read (fd, b, 4);
2877#   return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);
2878# }
2879#
2880# static unsigned int
2881# pe_as32 (ptr)
2882#      void *ptr;
2883# {
2884#   unsigned char *b = ptr;
2885#   return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24);
2886# }
2887#
2888# int
2889# main (argc, argv)
2890#     int argc;
2891#     char *argv[];
2892# {
2893#     int dll;
2894#     unsigned long pe_header_offset, opthdr_ofs, num_entries, i;
2895#     unsigned long export_rva, export_size, nsections, secptr, expptr;
2896#     unsigned long name_rvas, nexp;
2897#     unsigned char *expdata, *erva;
2898#     char *filename, *dll_name;
2899#
2900#     filename = argv[1];
2901#
2902#     dll = open(filename, O_RDONLY|O_BINARY);
2903#     if (dll < 1)
2904#       return 1;
2905#
2906#     dll_name = filename;
2907#
2908#     for (i=0; filename[i]; i++)
2909#       if (filename[i] == '/' || filename[i] == '\\'  || filename[i] == ':')
2910#           dll_name = filename + i +1;
2911#
2912#     pe_header_offset = pe_get32 (dll, 0x3c);
2913#     opthdr_ofs = pe_header_offset + 4 + 20;
2914#     num_entries = pe_get32 (dll, opthdr_ofs + 92);
2915#
2916#     if (num_entries < 1) /* no exports */
2917#       return 1;
2918#
2919#     export_rva = pe_get32 (dll, opthdr_ofs + 96);
2920#     export_size = pe_get32 (dll, opthdr_ofs + 100);
2921#     nsections = pe_get16 (dll, pe_header_offset + 4 +2);
2922#     secptr = (pe_header_offset + 4 + 20 +
2923#             pe_get16 (dll, pe_header_offset + 4 + 16));
2924#
2925#     expptr = 0;
2926#     for (i = 0; i < nsections; i++)
2927#     {
2928#       char sname[8];
2929#       unsigned long secptr1 = secptr + 40 * i;
2930#       unsigned long vaddr = pe_get32 (dll, secptr1 + 12);
2931#       unsigned long vsize = pe_get32 (dll, secptr1 + 16);
2932#       unsigned long fptr = pe_get32 (dll, secptr1 + 20);
2933#       lseek(dll, secptr1, SEEK_SET);
2934#       read(dll, sname, 8);
2935#       if (vaddr <= export_rva && vaddr+vsize > export_rva)
2936#       {
2937#           expptr = fptr + (export_rva - vaddr);
2938#           if (export_rva + export_size > vaddr + vsize)
2939#               export_size = vsize - (export_rva - vaddr);
2940#           break;
2941#       }
2942#     }
2943#
2944#     expdata = (unsigned char*)malloc(export_size);
2945#     lseek (dll, expptr, SEEK_SET);
2946#     read (dll, expdata, export_size);
2947#     erva = expdata - export_rva;
2948#
2949#     nexp = pe_as32 (expdata+24);
2950#     name_rvas = pe_as32 (expdata+32);
2951#
2952#     printf ("EXPORTS\n");
2953#     for (i = 0; i<nexp; i++)
2954#     {
2955#       unsigned long name_rva = pe_as32 (erva+name_rvas+i*4);
2956#       printf ("\t%s @ %ld ;\n", erva+name_rva, 1+ i);
2957#     }
2958#
2959#     return 0;
2960# }
2961# /* impgen.c ends here */
2962
2963EOF
2964    ;;
2965  esac
2966
2967  # We use sed instead of cat because bash on DJGPP gets confused if
2968  # if finds mixed CR/LF and LF-only lines.  Since sed operates in
2969  # text mode, it properly converts lines to CR/LF.  This bash problem
2970  # is reportedly fixed, but why not run on old versions too?
2971  sed '$q' "$ltmain" >> "${ofile}T" || (rm -f "${ofile}T"; exit 1)
2972
2973  mv -f "${ofile}T" "$ofile" || \
2974    (rm -f "$ofile" && cp "${ofile}T" "$ofile" && rm -f "${ofile}T")
2975  chmod +x "$ofile"
2976fi
2977##
2978## END FIXME
2979
2980])# _LT_AC_LTCONFIG_HACK
2981
2982# AC_LIBTOOL_DLOPEN - enable checks for dlopen support
2983AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
2984
2985# AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
2986AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])])
2987
2988# AC_ENABLE_SHARED - implement the --enable-shared flag
2989# Usage: AC_ENABLE_SHARED[(DEFAULT)]
2990#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
2991#   `yes'.
2992AC_DEFUN([AC_ENABLE_SHARED],
2993[define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
2994AC_ARG_ENABLE(shared,
2995changequote(<<, >>)dnl
2996<<  --enable-shared[=PKGS]  build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
2997changequote([, ])dnl
2998[p=${PACKAGE-default}
2999case $enableval in
3000yes) enable_shared=yes ;;
3001no) enable_shared=no ;;
3002*)
3003  enable_shared=no
3004  # Look at the argument we got.  We use all the common list separators.
3005  IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
3006  for pkg in $enableval; do
3007    if test "X$pkg" = "X$p"; then
3008      enable_shared=yes
3009    fi
3010  done
3011  IFS="$ac_save_ifs"
3012  ;;
3013esac],
3014enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
3015])
3016
3017# AC_DISABLE_SHARED - set the default shared flag to --disable-shared
3018AC_DEFUN([AC_DISABLE_SHARED],
3019[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3020AC_ENABLE_SHARED(no)])
3021
3022# AC_ENABLE_STATIC - implement the --enable-static flag
3023# Usage: AC_ENABLE_STATIC[(DEFAULT)]
3024#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
3025#   `yes'.
3026AC_DEFUN([AC_ENABLE_STATIC],
3027[define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
3028AC_ARG_ENABLE(static,
3029changequote(<<, >>)dnl
3030<<  --enable-static[=PKGS]  build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
3031changequote([, ])dnl
3032[p=${PACKAGE-default}
3033case $enableval in
3034yes) enable_static=yes ;;
3035no) enable_static=no ;;
3036*)
3037  enable_static=no
3038  # Look at the argument we got.  We use all the common list separators.
3039  IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
3040  for pkg in $enableval; do
3041    if test "X$pkg" = "X$p"; then
3042      enable_static=yes
3043    fi
3044  done
3045  IFS="$ac_save_ifs"
3046  ;;
3047esac],
3048enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
3049])
3050
3051# AC_DISABLE_STATIC - set the default static flag to --disable-static
3052AC_DEFUN([AC_DISABLE_STATIC],
3053[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3054AC_ENABLE_STATIC(no)])
3055
3056
3057# AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag
3058# Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)]
3059#   Where DEFAULT is either `yes' or `no'.  If omitted, it defaults to
3060#   `yes'.
3061AC_DEFUN([AC_ENABLE_FAST_INSTALL],
3062[define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
3063AC_ARG_ENABLE(fast-install,
3064changequote(<<, >>)dnl
3065<<  --enable-fast-install[=PKGS]  optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
3066changequote([, ])dnl
3067[p=${PACKAGE-default}
3068case $enableval in
3069yes) enable_fast_install=yes ;;
3070no) enable_fast_install=no ;;
3071*)
3072  enable_fast_install=no
3073  # Look at the argument we got.  We use all the common list separators.
3074  IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:,"
3075  for pkg in $enableval; do
3076    if test "X$pkg" = "X$p"; then
3077      enable_fast_install=yes
3078    fi
3079  done
3080  IFS="$ac_save_ifs"
3081  ;;
3082esac],
3083enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
3084])
3085
3086# AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install
3087AC_DEFUN([AC_DISABLE_FAST_INSTALL],
3088[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3089AC_ENABLE_FAST_INSTALL(no)])
3090
3091# AC_LIBTOOL_PICMODE - implement the --with-pic flag
3092# Usage: AC_LIBTOOL_PICMODE[(MODE)]
3093#   Where MODE is either `yes' or `no'.  If omitted, it defaults to
3094#   `both'.
3095AC_DEFUN([AC_LIBTOOL_PICMODE],
3096[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3097pic_mode=ifelse($#,1,$1,default)])
3098
3099
3100# AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
3101AC_DEFUN([AC_PATH_TOOL_PREFIX],
3102[AC_MSG_CHECKING([for $1])
3103AC_CACHE_VAL(lt_cv_path_MAGIC_CMD,
3104[case $MAGIC_CMD in
3105  /*)
3106  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a path.
3107  ;;
3108  ?:/*)
3109  lt_cv_path_MAGIC_CMD="$MAGIC_CMD" # Let the user override the test with a dos path.
3110  ;;
3111  *)
3112  ac_save_MAGIC_CMD="$MAGIC_CMD"
3113  IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS=":"
3114dnl $ac_dummy forces splitting on constant user-supplied paths.
3115dnl POSIX.2 word splitting is done only on the output of word expansions,
3116dnl not every word.  This closes a longstanding sh security hole.
3117  ac_dummy="ifelse([$2], , $PATH, [$2])"
3118  for ac_dir in $ac_dummy; do
3119    test -z "$ac_dir" && ac_dir=.
3120    if test -f $ac_dir/$1; then
3121      lt_cv_path_MAGIC_CMD="$ac_dir/$1"
3122      if test -n "$file_magic_test_file"; then
3123        case $deplibs_check_method in
3124        "file_magic "*)
3125          file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`"
3126          MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
3127          if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null |
3128            egrep "$file_magic_regex" > /dev/null; then
3129            :
3130          else
3131            cat <<EOF 1>&2
3132
3133*** Warning: the command libtool uses to detect shared libraries,
3134*** $file_magic_cmd, produces output that libtool cannot recognize.
3135*** The result is that libtool may fail to recognize shared libraries
3136*** as such.  This will affect the creation of libtool libraries that
3137*** depend on shared libraries, but programs linked with such libtool
3138*** libraries will work regardless of this problem.  Nevertheless, you
3139*** may want to report the problem to your system manager and/or to
3140*** bug-libtool@gnu.org
3141
3142EOF
3143          fi ;;
3144        esac
3145      fi
3146      break
3147    fi
3148  done
3149  IFS="$ac_save_ifs"
3150  MAGIC_CMD="$ac_save_MAGIC_CMD"
3151  ;;
3152esac])
3153MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
3154if test -n "$MAGIC_CMD"; then
3155  AC_MSG_RESULT($MAGIC_CMD)
3156else
3157  AC_MSG_RESULT(no)
3158fi
3159])
3160
3161
3162# AC_PATH_MAGIC - find a file program which can recognise a shared library
3163AC_DEFUN([AC_PATH_MAGIC],
3164[AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
3165AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
3166if test -z "$lt_cv_path_MAGIC_CMD"; then
3167  if test -n "$ac_tool_prefix"; then
3168    AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
3169  else
3170    MAGIC_CMD=:
3171  fi
3172fi
3173])
3174
3175
3176# AC_PROG_LD - find the path to the GNU or non-GNU linker
3177AC_DEFUN([AC_PROG_LD],
3178[AC_ARG_WITH(gnu-ld,
3179[  --with-gnu-ld           assume the C compiler uses GNU ld [default=no]],
3180test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
3181AC_REQUIRE([AC_PROG_CC])dnl
3182AC_REQUIRE([AC_CANONICAL_HOST])dnl
3183AC_REQUIRE([AC_CANONICAL_BUILD])dnl
3184AC_REQUIRE([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR])dnl
3185ac_prog=ld
3186if test "$GCC" = yes; then
3187  # Check if gcc -print-prog-name=ld gives a path.
3188  AC_MSG_CHECKING([for ld used by GCC])
3189  case $host in
3190  *-*-mingw*)
3191    # gcc leaves a trailing carriage return which upsets mingw
3192    ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
3193  *)
3194    ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
3195  esac
3196  case $ac_prog in
3197    # Accept absolute paths.
3198    [[\\/]]* | [[A-Za-z]]:[[\\/]]*)
3199      re_direlt='/[[^/]][[^/]]*/\.\./'
3200      # Canonicalize the path of ld
3201      ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
3202      while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
3203        ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
3204      done
3205      test -z "$LD" && LD="$ac_prog"
3206      ;;
3207  "")
3208    # If it fails, then pretend we aren't using GCC.
3209    ac_prog=ld
3210    ;;
3211  *)
3212    # If it is relative, then search for the first ld in PATH.
3213    with_gnu_ld=unknown
3214    ;;
3215  esac
3216elif test "$with_gnu_ld" = yes; then
3217  AC_MSG_CHECKING([for GNU ld])
3218else
3219  AC_MSG_CHECKING([for non-GNU ld])
3220fi
3221AC_CACHE_VAL(lt_cv_path_LD,
3222[if test -z "$LD"; then
3223  IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
3224  for ac_dir in $PATH; do
3225    test -z "$ac_dir" && ac_dir=.
3226    if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
3227      lt_cv_path_LD="$ac_dir/$ac_prog"
3228      # Check to see if the program is GNU ld.  I'd rather use --version,
3229      # but apparently some GNU ld's only accept -v.
3230      # Break only if it was the GNU/non-GNU ld that we prefer.
3231      if "$lt_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then
3232        test "$with_gnu_ld" != no && break
3233      else
3234        test "$with_gnu_ld" != yes && break
3235      fi
3236    fi
3237  done
3238  IFS="$ac_save_ifs"
3239else
3240  lt_cv_path_LD="$LD" # Let the user override the test with a path.
3241fi])
3242LD="$lt_cv_path_LD"
3243if test -n "$LD"; then
3244  AC_MSG_RESULT($LD)
3245else
3246  AC_MSG_RESULT(no)
3247fi
3248test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
3249AC_PROG_LD_GNU
3250])
3251
3252# AC_PROG_LD_GNU -
3253AC_DEFUN([AC_PROG_LD_GNU],
3254[AC_CACHE_CHECK([if the linker ($LD) is GNU ld], lt_cv_prog_gnu_ld,
3255[# I'd rather use --version here, but apparently some GNU ld's only accept -v.
3256if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
3257  lt_cv_prog_gnu_ld=yes
3258else
3259  lt_cv_prog_gnu_ld=no
3260fi])
3261with_gnu_ld=$lt_cv_prog_gnu_ld
3262])
3263
3264# AC_PROG_LD_RELOAD_FLAG - find reload flag for linker
3265#   -- PORTME Some linkers may need a different reload flag.
3266AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
3267[AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
3268[lt_cv_ld_reload_flag='-r'])
3269reload_flag=$lt_cv_ld_reload_flag
3270test -n "$reload_flag" && reload_flag=" $reload_flag"
3271])
3272
3273# AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
3274#  -- PORTME fill in with the dynamic library characteristics
3275AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
3276[AC_CACHE_CHECK([how to recognise dependant libraries],
3277lt_cv_deplibs_check_method,
3278[lt_cv_file_magic_cmd='$MAGIC_CMD'
3279lt_cv_file_magic_test_file=
3280lt_cv_deplibs_check_method='unknown'
3281# Need to set the preceding variable on all platforms that support
3282# interlibrary dependencies.
3283# 'none' -- dependencies not supported.
3284# `unknown' -- same as none, but documents that we really don't know.
3285# 'pass_all' -- all dependencies passed with no checks.
3286# 'test_compile' -- check by making test program.
3287# 'file_magic [[regex]]' -- check by looking for files in library path
3288# which responds to the $file_magic_cmd with a given egrep regex.
3289# If you have `file' or equivalent on your system and you're not sure
3290# whether `pass_all' will *always* work, you probably want this one.
3291
3292case $host_os in
3293aix4* | aix5*)
3294  lt_cv_deplibs_check_method=pass_all
3295  ;;
3296
3297beos*)
3298  lt_cv_deplibs_check_method=pass_all
3299  ;;
3300
3301bsdi4*)
3302  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
3303  lt_cv_file_magic_cmd='/usr/bin/file -L'
3304  lt_cv_file_magic_test_file=/shlib/libc.so
3305  ;;
3306
3307cygwin* | mingw* | pw32*)
3308  lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
3309  lt_cv_file_magic_cmd='$OBJDUMP -f'
3310  ;;
3311
3312darwin* | rhapsody*)
3313  lt_cv_deplibs_check_method='file_magic Mach-O dynamically linked shared library'
3314  lt_cv_file_magic_cmd='/usr/bin/file -L'
3315  case "$host_os" in
3316  rhapsody* | darwin1.[[012]])
3317    lt_cv_file_magic_test_file=`echo /System/Library/Frameworks/System.framework/Versions/*/System | head -1`
3318    ;;
3319  *) # Darwin 1.3 on
3320    lt_cv_file_magic_test_file='/usr/lib/libSystem.dylib'
3321    ;;
3322  esac
3323  ;;
3324
3325freebsd*)
3326  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
3327    case $host_cpu in
3328    i*86 )
3329      # Not sure whether the presence of OpenBSD here was a mistake.
3330      # Let's accept both of them until this is cleared up.
3331      lt_cv_deplibs_check_method='file_magic (FreeBSD|OpenBSD)/i[[3-9]]86 (compact )?demand paged shared library'
3332      lt_cv_file_magic_cmd=/usr/bin/file
3333      lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
3334      ;;
3335    esac
3336  else
3337    lt_cv_deplibs_check_method=pass_all
3338  fi
3339  ;;
3340
3341gnu*)
3342  lt_cv_deplibs_check_method=pass_all
3343  ;;
3344
3345hpux10.20*|hpux11*)
3346  lt_cv_deplibs_check_method='file_magic (s[[0-9]][[0-9]][[0-9]]|PA-RISC[[0-9]].[[0-9]]) shared library'
3347  lt_cv_file_magic_cmd=/usr/bin/file
3348  lt_cv_file_magic_test_file=/usr/lib/libc.sl
3349  ;;
3350
3351irix5* | irix6*)
3352  case $host_os in
3353  irix5*)
3354    # this will be overridden with pass_all, but let us keep it just in case
3355    lt_cv_deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"
3356    ;;
3357  *)
3358    case $LD in
3359    *-32|*"-32 ") libmagic=32-bit;;
3360    *-n32|*"-n32 ") libmagic=N32;;
3361    *-64|*"-64 ") libmagic=64-bit;;
3362    *) libmagic=never-match;;
3363    esac
3364    # this will be overridden with pass_all, but let us keep it just in case
3365    lt_cv_deplibs_check_method="file_magic ELF ${libmagic} MSB mips-[[1234]] dynamic lib MIPS - version 1"
3366    ;;
3367  esac
3368  lt_cv_file_magic_test_file=`echo /lib${libsuff}/libc.so*`
3369  lt_cv_deplibs_check_method=pass_all
3370  ;;
3371
3372# This must be Linux ELF.
3373linux-gnu*)
3374  case $host_cpu in
3375  alpha* | hppa* | i*86 | powerpc* | sparc* | ia64* )
3376    lt_cv_deplibs_check_method=pass_all ;;
3377  *)
3378    # glibc up to 2.1.1 does not perform some relocations on ARM
3379    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )' ;;
3380  esac
3381  lt_cv_file_magic_test_file=`echo /lib/libc.so* /lib/libc-*.so`
3382  ;;
3383
3384netbsd*)
3385  if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then
3386    lt_cv_deplibs_check_method='match_pattern /lib[[^/\.]]+\.so\.[[0-9]]+\.[[0-9]]+$'
3387  else
3388    lt_cv_deplibs_check_method='match_pattern /lib[[^/\.]]+\.so$'
3389  fi
3390  ;;
3391
3392newos6*)
3393  lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (executable|dynamic lib)'
3394  lt_cv_file_magic_cmd=/usr/bin/file
3395  lt_cv_file_magic_test_file=/usr/lib/libnls.so
3396  ;;
3397
3398openbsd*)
3399  lt_cv_file_magic_cmd=/usr/bin/file
3400  lt_cv_file_magic_test_file=`echo /usr/lib/libc.so.*`
3401  if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then
3402    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB shared object'
3403  else
3404    lt_cv_deplibs_check_method='file_magic OpenBSD.* shared library'
3405  fi
3406  ;;
3407
3408osf3* | osf4* | osf5*)
3409  # this will be overridden with pass_all, but let us keep it just in case
3410  lt_cv_deplibs_check_method='file_magic COFF format alpha shared library'
3411  lt_cv_file_magic_test_file=/shlib/libc.so
3412  lt_cv_deplibs_check_method=pass_all
3413  ;;
3414
3415sco3.2v5*)
3416  lt_cv_deplibs_check_method=pass_all
3417  ;;
3418
3419solaris*)
3420  lt_cv_deplibs_check_method=pass_all
3421  lt_cv_file_magic_test_file=/lib/libc.so
3422  ;;
3423
3424sysv5uw[[78]]* | sysv4*uw2*)
3425  lt_cv_deplibs_check_method=pass_all
3426  ;;
3427
3428sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
3429  case $host_vendor in
3430  motorola)
3431    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
3432    lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
3433    ;;
3434  ncr)
3435    lt_cv_deplibs_check_method=pass_all
3436    ;;
3437  sequent)
3438    lt_cv_file_magic_cmd='/bin/file'
3439    lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
3440    ;;
3441  sni)
3442    lt_cv_file_magic_cmd='/bin/file'
3443    lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
3444    lt_cv_file_magic_test_file=/lib/libc.so
3445    ;;
3446  esac
3447  ;;
3448esac
3449])
3450file_magic_cmd=$lt_cv_file_magic_cmd
3451deplibs_check_method=$lt_cv_deplibs_check_method
3452])
3453
3454
3455# AC_PROG_NM - find the path to a BSD-compatible name lister
3456AC_DEFUN([AC_PROG_NM],
3457[AC_REQUIRE([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR])dnl
3458AC_MSG_CHECKING([for BSD-compatible nm])
3459AC_CACHE_VAL(lt_cv_path_NM,
3460[if test -n "$NM"; then
3461  # Let the user override the test.
3462  lt_cv_path_NM="$NM"
3463else
3464  IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS=$PATH_SEPARATOR
3465  for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do
3466    test -z "$ac_dir" && ac_dir=.
3467    tmp_nm=$ac_dir/${ac_tool_prefix}nm
3468    if test -f $tmp_nm || test -f $tmp_nm$ac_exeext ; then
3469      # Check to see if the nm accepts a BSD-compat flag.
3470      # Adding the `sed 1q' prevents false positives on HP-UX, which says:
3471      #   nm: unknown option "B" ignored
3472      # Tru64's nm complains that /dev/null is an invalid object file
3473      if ($tmp_nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep '(/dev/null|Invalid file or object type)' >/dev/null; then
3474        lt_cv_path_NM="$tmp_nm -B"
3475        break
3476      elif ($tmp_nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
3477        lt_cv_path_NM="$tmp_nm -p"
3478        break
3479      else
3480        lt_cv_path_NM=${lt_cv_path_NM="$tmp_nm"} # keep the first match, but
3481        continue # so that we can try to find one that supports BSD flags
3482      fi
3483    fi
3484  done
3485  IFS="$ac_save_ifs"
3486  test -z "$lt_cv_path_NM" && lt_cv_path_NM=nm
3487fi])
3488NM="$lt_cv_path_NM"
3489AC_MSG_RESULT([$NM])
3490])
3491
3492# AC_CHECK_LIBM - check for math library
3493AC_DEFUN([AC_CHECK_LIBM],
3494[AC_REQUIRE([AC_CANONICAL_HOST])dnl
3495LIBM=
3496case $host in
3497*-*-beos* | *-*-cygwin* | *-*-pw32*)
3498  # These system don't have libm
3499  ;;
3500*-ncr-sysv4.3*)
3501  AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
3502  AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
3503  ;;
3504*)
3505  AC_CHECK_LIB(m, main, LIBM="-lm")
3506  ;;
3507esac
3508])
3509
3510# AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for
3511# the libltdl convenience library and INCLTDL to the include flags for
3512# the libltdl header and adds --enable-ltdl-convenience to the
3513# configure arguments.  Note that LIBLTDL and INCLTDL are not
3514# AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called.  If DIR is not
3515# provided, it is assumed to be `libltdl'.  LIBLTDL will be prefixed
3516# with '${top_builddir}/' and INCLTDL will be prefixed with
3517# '${top_srcdir}/' (note the single quotes!).  If your package is not
3518# flat and you're not using automake, define top_builddir and
3519# top_srcdir appropriately in the Makefiles.
3520AC_DEFUN([AC_LIBLTDL_CONVENIENCE],
3521[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3522  case $enable_ltdl_convenience in
3523  no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;;
3524  "") enable_ltdl_convenience=yes
3525      ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;;
3526  esac
3527  LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la
3528  INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
3529])
3530
3531# AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for
3532# the libltdl installable library and INCLTDL to the include flags for
3533# the libltdl header and adds --enable-ltdl-install to the configure
3534# arguments.  Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is
3535# AC_CONFIG_SUBDIRS called.  If DIR is not provided and an installed
3536# libltdl is not found, it is assumed to be `libltdl'.  LIBLTDL will
3537# be prefixed with '${top_builddir}/' and INCLTDL will be prefixed
3538# with '${top_srcdir}/' (note the single quotes!).  If your package is
3539# not flat and you're not using automake, define top_builddir and
3540# top_srcdir appropriately in the Makefiles.
3541# In the future, this macro may have to be called after AC_PROG_LIBTOOL.
3542AC_DEFUN([AC_LIBLTDL_INSTALLABLE],
3543[AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3544  AC_CHECK_LIB(ltdl, main,
3545  [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no],
3546  [if test x"$enable_ltdl_install" = xno; then
3547     AC_MSG_WARN([libltdl not installed, but installation disabled])
3548   else
3549     enable_ltdl_install=yes
3550   fi
3551  ])
3552  if test x"$enable_ltdl_install" = x"yes"; then
3553    ac_configure_args="$ac_configure_args --enable-ltdl-install"
3554    LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la
3555    INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl'])
3556  else
3557    ac_configure_args="$ac_configure_args --enable-ltdl-install=no"
3558    LIBLTDL="-lltdl"
3559    INCLTDL=
3560  fi
3561])
3562
3563# old names
3564AC_DEFUN([AM_PROG_LIBTOOL],   [AC_PROG_LIBTOOL])
3565AC_DEFUN([AM_ENABLE_SHARED],  [AC_ENABLE_SHARED($@)])
3566AC_DEFUN([AM_ENABLE_STATIC],  [AC_ENABLE_STATIC($@)])
3567AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
3568AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
3569AC_DEFUN([AM_PROG_LD],        [AC_PROG_LD])
3570AC_DEFUN([AM_PROG_NM],        [AC_PROG_NM])
3571
3572# This is just to silence aclocal about the macro not being used
3573ifelse([AC_DISABLE_FAST_INSTALL])
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