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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
27 AC_DEFUN([AC_PROG_LIBTOOL],
28 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
29
30 # This can be used to rebuild libtool when needed
31 LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh"
32
33 # Always use our own libtool.
34 LIBTOOL='$(SHELL) $(top_builddir)/libtool'
35 AC_SUBST(LIBTOOL)dnl
36
37 # Prevent multiple expansion
38 define([AC_PROG_LIBTOOL], [])
39 ])
40
41 AC_DEFUN([AC_LIBTOOL_SETUP],
42 [AC_PREREQ(2.13)dnl
43 AC_REQUIRE([AC_ENABLE_SHARED])dnl
44 AC_REQUIRE([AC_ENABLE_STATIC])dnl
45 AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl
46 AC_REQUIRE([AC_CANONICAL_HOST])dnl
47 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
48 AC_REQUIRE([AC_PROG_CC])dnl
49 AC_REQUIRE([AC_PROG_LD])dnl
50 AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl
51 AC_REQUIRE([AC_PROG_NM])dnl
52 AC_REQUIRE([AC_PROG_LN_S])dnl
53 AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl
54 AC_REQUIRE([AC_OBJEXT])dnl
55 AC_REQUIRE([AC_EXEEXT])dnl
56 dnl
57
58 _LT_AC_PROG_ECHO_BACKSLASH
59 # Only perform the check for file, if the check method requires it
60 case $deplibs_check_method in
61 file_magic*)
62 if test "$file_magic_cmd" = '$MAGIC_CMD'; then
63 AC_PATH_MAGIC
64 fi
65 ;;
66 esac
67
68 AC_CHECK_TOOL(RANLIB, ranlib, :)
69 AC_CHECK_TOOL(STRIP, strip, :)
70
71 ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no)
72 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL],
73 enable_win32_dll=yes, enable_win32_dll=no)
74
75 AC_ARG_ENABLE(libtool-lock,
76 [ --disable-libtool-lock avoid locking (might break parallel builds)])
77 test "x$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.
81 case $host in
82 *-*-irix6*)
83 # Find out which ABI we are using.
84 echo '[#]line __oline__ "configure"' > conftest.$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
116 ifdef([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 ])
146 esac
147
148 _LT_AC_LTCONFIG_HACK
149
150 ])
151
152 # AC_LIBTOOL_HEADER_ASSERT
153 # ------------------------
154 AC_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
168 if test "x$lt_cv_func_assert_works" = xyes; then
169 AC_CHECK_HEADERS(assert.h)
170 fi
171 ])# AC_LIBTOOL_HEADER_ASSERT
172
173 # _LT_AC_CHECK_DLFCN
174 # --------------------
175 AC_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 # ---------------------------------
181 AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE],
182 [AC_REQUIRE([AC_CANONICAL_HOST])
183 AC_REQUIRE([AC_PROG_NM])
184 AC_REQUIRE([AC_OBJEXT])
185 # Check for command to grab the raw symbol name followed by C symbol from nm.
186 AC_MSG_CHECKING([command to parse $NM output])
187 AC_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.
193 symcode='[[BCDEGRST]]'
194
195 # Regexp to match symbols that can be accessed directly from C.
196 sympat='\([[_A-Za-z]][[_A-Za-z0-9]]*\)'
197
198 # Transform the above into a raw symbol and a C symbol.
199 symxfrm='\1 \2\3 \3'
200
201 # Transform an extracted symbol line into a proper C declaration
202 lt_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
205 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'"
206
207 # Define system-specific variables.
208 case $host_os in
209 aix*)
210 symcode='[[BCDT]]'
211 ;;
212 cygwin* | mingw* | pw32*)
213 symcode='[[ABCDGISTW]]'
214 ;;
215 hpux*) # 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 ;;
219 irix*)
220 symcode='[[BCDEGRST]]'
221 ;;
222 solaris* | sysv5*)
223 symcode='[[BDT]]'
224 ;;
225 sysv4)
226 symcode='[[DFNSTU]]'
227 ;;
228 esac
229
230 # Handle CRLF in mingw tool chain
231 opt_cr=
232 case $host_os in
233 mingw*)
234 opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp
235 ;;
236 esac
237
238 # If we're using GNU nm, then use its standard symbol codes.
239 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
240 symcode='[[ABCDGISTW]]'
241 fi
242
243 # Try without a prefix undercore, then with it.
244 for ac_symprfx in "" "_"; do
245
246 # Write the raw and C identifiers.
247 lt_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.$ac_ext <<EOF
253 #ifdef __cplusplus
254 extern "C" {
255 #endif
256 char nm_test_var;
257 void nm_test_func(){}
258 #ifdef __cplusplus
259 }
260 #endif
261 int main(){nm_test_var='a';nm_test_func();return(0);}
262 EOF
263
264 if AC_TRY_EVAL(ac_compile); then
265 # Now try to grab the symbols.
266 nlist=conftest.nm
267 if AC_TRY_EVAL(NM conftest.$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
280 extern "C" {
281 #endif
282
283 EOF
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. */
296 const struct {
297 const char *name;
298 lt_ptr address;
299 }
300 lt_preloaded_symbols[[]] =
301 {
302 EOF
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
311 EOF
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
344 done
345 ])
346 global_symbol_pipe="$lt_cv_sys_global_symbol_pipe"
347 if test -z "$lt_cv_sys_global_symbol_pipe"; then
348 global_symbol_to_cdecl=
349 global_symbol_to_c_name_address=
350 else
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"
353 fi
354 if test -z "$global_symbol_pipe$global_symbol_to_cdec$global_symbol_to_c_name_address";
355 then
356 AC_MSG_RESULT(failed)
357 else
358 AC_MSG_RESULT(ok)
359 fi
360 ]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE
361
362 # _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR
363 # ---------------------------------
364 AC_DEFUN([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR],
365 [# Find the correct PATH separator. Usually this is `:', but
366 # DJGPP uses `;' like DOS.
367 if test "X${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=$lt_cv_sys_path_separator
374 fi
375 ])# _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR
376
377 # _LT_AC_PROG_ECHO_BACKSLASH
378 # --------------------------
379 # Add some code to the start of the generated configure script which
380 # will find an echo command which doesn't interpret backslashes.
381 AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH],
382 [ifdef([AC_DIVERSION_NOTICE], [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)],
383 [AC_DIVERT_PUSH(NOTICE)])
384 _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR
385
386 # Check that we are running under the correct shell.
387 SHELL=${CONFIG_SHELL-/bin/sh}
388
389 case X$ECHO in
390 X*--fallback-echo)
391 # Remove one level of quotation (which was required for Make).
392 ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','`
393 ;;
394 esac
395
396 echo=${ECHO-echo}
397 if test "X[$]1" = X--no-reexec; then
398 # Discard the --no-reexec flag, and continue.
399 shift
400 elif test "X[$]1" = X--fallback-echo; then
401 # Avoid inline document here, it may be left over
402 :
403 elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then
404 # Yippee, $echo works!
405 :
406 else
407 # Restart under the correct shell.
408 exec $SHELL "[$]0" --no-reexec ${1+"[$]@"}
409 fi
410
411 if test "X[$]1" = X--fallback-echo; then
412 # used as fallback echo
413 shift
414 cat <<EOF
415 $*
416 EOF
417 exit 0
418 fi
419
420 # The HP-UX ksh and POSIX shell print the target directory to stdout
421 # if CDPATH is set.
422 if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi
423
424 if test -z "$ECHO"; then
425 if test "X${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$echo_test_string") 2>/dev/null
432 then
433 break
434 fi
435 done
436 fi
437
438 if test "X`($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 :
442 else
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
521 fi
522 fi
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.
526 ECHO=$echo
527 if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then
528 ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo"
529 fi
530
531 AC_SUBST(ECHO)
532 AC_DIVERT_POP
533 ])# _LT_AC_PROG_ECHO_BACKSLASH
534
535 # _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE,
536 # ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING)
537 # ------------------------------------------------------------------
538 AC_DEFUN([_LT_AC_TRY_DLOPEN_SELF],
539 [if test "$cross_compiling" = yes; then :
540 [$4]
541 else
542 AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
543 lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
544 lt_status=$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
588 extern "C" void exit (int);
589 #endif
590
591 void fnord() { int i=42;}
592 int 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 = $lt_dlneed_uscore;
601 /* dlclose (self); */
602 }
603
604 exit (status);
605 }]
606 EOF
607 if AC_TRY_EVAL(ac_link) && test -s conftest${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 $3
618 fi
619 fi
620 rm -fr conftest*
621 ])# _LT_AC_TRY_DLOPEN_SELF
622
623 # AC_LIBTOOL_DLOPEN_SELF
624 # -------------------
625 AC_DEFUN([AC_LIBTOOL_DLOPEN_SELF],
626 [if test "x$enable_dlopen" != xyes; then
627 enable_dlopen=unknown
628 enable_dlopen_self=unknown
629 enable_dlopen_self_static=unknown
630 else
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
717 fi
718 ])# AC_LIBTOOL_DLOPEN_SELF
719
720 AC_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.
724 Xsed='sed -e s/^X//'
725 sed_quote_subst='s/\([[\\"\\`$\\\\]]\)/\\\1/g'
726
727 # Same as above, but do not quote variable references.
728 double_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.
732 delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g'
733
734 # Constants:
735 rm="rm -f"
736
737 # Global variables:
738 default_ofile=libtool
739 can_build_shared=yes
740
741 # All known linkers require a `.a' archive for static linking (except M$VC,
742 # which needs '.lib').
743 libext=a
744 ltmain="$ac_aux_dir/ltmain.sh"
745 ofile="$default_ofile"
746 with_gnu_ld="$lt_cv_prog_gnu_ld"
747 need_locks="$enable_libtool_lock"
748
749 old_CC="$CC"
750 old_CFLAGS="$CFLAGS"
751
752 # Set sane defaults for various variables
753 test -z "$AR" && AR=ar
754 test -z "$AR_FLAGS" && AR_FLAGS=cru
755 test -z "$AS" && AS=as
756 test -z "$CC" && CC=cc
757 test -z "$DLLTOOL" && DLLTOOL=dlltool
758 test -z "$LD" && LD=ld
759 test -z "$LN_S" && LN_S="ln -s"
760 test -z "$MAGIC_CMD" && MAGIC_CMD=file
761 test -z "$NM" && NM=nm
762 test -z "$OBJDUMP" && OBJDUMP=objdump
763 test -z "$RANLIB" && RANLIB=:
764 test -z "$STRIP" && STRIP=:
765 test -z "$ac_objext" && ac_objext=o
766
767 if test x"$host" != x"$build"; then
768 ac_tool_prefix=${host_alias}-
769 else
770 ac_tool_prefix=
771 fi
772
773 # Transform linux* to *-*-linux-gnu*, to support old configure scripts.
774 case $host_os in
775 linux-gnu*) ;;
776 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'`
777 esac
778
779 case $host_os in
780 aix3*)
781 # AIX sometimes has problems with the GCC collect2 program. For some
782 # reason, if we set the COLLECT_NAMES environment variable, the problems
783 # vanish in a puff of smoke.
784 if test "X${COLLECT_NAMES+set}" != Xset; then
785 COLLECT_NAMES=
786 export COLLECT_NAMES
787 fi
788 ;;
789 esac
790
791 # Determine commands to create old-style static archives.
792 old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs'
793 old_postinstall_cmds='chmod 644 $oldlib'
794 old_postuninstall_cmds=
795
796 if test -n "$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"
806 fi
807
808 # Allow CC to be a program name with arguments.
809 set dummy $CC
810 compiler="[$]2"
811
812 ## FIXME: this should be a separate macro
813 ##
814 AC_MSG_CHECKING([for objdir])
815 rm -f .libs 2>/dev/null
816 mkdir .libs 2>/dev/null
817 if test -d .libs; then
818 objdir=.libs
819 else
820 # MS-DOS does not allow filenames that begin with a dot.
821 objdir=_libs
822 fi
823 rmdir .libs 2>/dev/null
824 AC_MSG_RESULT($objdir)
825 ##
826 ## END FIXME
827
828
829 ## FIXME: this should be a separate macro
830 ##
831 AC_ARG_WITH(pic,
832 [ --with-pic try to use only PIC/non-PIC objects [default=use both]],
833 pic_mode="$withval", pic_mode=default)
834 test -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.
839 AC_MSG_CHECKING([for $compiler option to produce PIC])
840 AC_CACHE_VAL(lt_cv_prog_cc_pic,
841 [ lt_cv_prog_cc_pic=
842 lt_cv_prog_cc_shlib=
843 lt_cv_prog_cc_wl=
844 lt_cv_prog_cc_static=
845 lt_cv_prog_cc_no_builtin=
846 lt_cv_prog_cc_can_build_shared=$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 ])
980 if test -z "$lt_cv_prog_cc_pic"; then
981 AC_MSG_RESULT([none])
982 else
983 AC_MSG_RESULT([$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])
1020 fi
1021 ##
1022 ## END FIXME
1023
1024 # Check for any special shared library compilation flags.
1025 if 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
1032 fi
1033
1034 ## FIXME: this should be a separate macro
1035 ##
1036 AC_MSG_CHECKING([if $compiler static flag $lt_cv_prog_cc_static works])
1037 AC_CACHE_VAL([lt_cv_prog_cc_static_works], [dnl
1038 lt_cv_prog_cc_static_works=no
1039 save_LDFLAGS="$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:
1046 test "X$lt_cv_prog_cc_static_works" = Xno && lt_cv_prog_cc_static=
1047 AC_MSG_RESULT([$lt_cv_prog_cc_static_works])
1048
1049 pic_flag="$lt_cv_prog_cc_pic"
1050 special_shlib_compile_flags="$lt_cv_prog_cc_shlib"
1051 wl="$lt_cv_prog_cc_wl"
1052 link_static_flag="$lt_cv_prog_cc_static"
1053 no_builtin_flag="$lt_cv_prog_cc_no_builtin"
1054 can_build_shared="$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
1062 AC_MSG_CHECKING([if $compiler supports -c -o file.$ac_objext])
1063 AC_CACHE_VAL([lt_cv_compiler_c_o], [
1064 $rm -r conftest 2>/dev/null
1065 mkdir conftest
1066 cd conftest
1067 echo "int some_variable = 0;" > conftest.$ac_ext
1068 mkdir 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.
1074 chmod -w .
1075 save_CFLAGS="$CFLAGS"
1076 CFLAGS="$CFLAGS -o out/conftest2.$ac_objext"
1077 compiler_c_o=no
1078 if { (eval echo configure:__oline__: \"$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
1086 else
1087 # Append any errors to the config.log.
1088 cat out/conftest.err 1>&AC_FD_CC
1089 lt_cv_compiler_c_o=no
1090 fi
1091 CFLAGS="$save_CFLAGS"
1092 chmod u+w .
1093 $rm conftest* out/*
1094 rmdir out
1095 cd ..
1096 rmdir conftest
1097 $rm -r conftest 2>/dev/null
1098 ])
1099 compiler_c_o=$lt_cv_compiler_c_o
1100 AC_MSG_RESULT([$compiler_c_o])
1101
1102 if test x"$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])
1125 else
1126 compiler_o_lo=no
1127 fi
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
1134 hard_links="nottested"
1135 if 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
1149 else
1150 need_locks=no
1151 fi
1152 ##
1153 ## END FIXME
1154
1155 ## FIXME: this should be a separate macro
1156 ##
1157 if 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
1181 fi
1182 ##
1183 ## END FIXME
1184
1185 ## FIXME: this should be a separate macro
1186 ##
1187 # See if the linker supports building shared libraries.
1188 AC_MSG_CHECKING([whether the linker ($LD) supports shared libraries])
1189
1190 allow_undefined_flag=
1191 no_undefined_flag=
1192 need_lib_prefix=unknown
1193 need_version=unknown
1194 # when you set need_version to no, make sure it does not cause -set_version
1195 # flags to be left without arguments
1196 archive_cmds=
1197 archive_expsym_cmds=
1198 old_archive_from_new_cmds=
1199 old_archive_from_expsyms_cmds=
1200 export_dynamic_flag_spec=
1201 whole_archive_flag_spec=
1202 thread_safe_flag_spec=
1203 hardcode_into_libs=no
1204 hardcode_libdir_flag_spec=
1205 hardcode_libdir_separator=
1206 hardcode_direct=no
1207 hardcode_minus_L=no
1208 hardcode_shlibpath_var=unsupported
1209 runpath_var=
1210 link_all_deplibs=unknown
1211 always_export_symbols=no
1212 export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols'
1213 # include_expsyms should be a list of space-separated symbols to be *always*
1214 # included in the symbol list
1215 include_expsyms=
1216 # exclude_expsyms can be an egrep regular expression of symbols to exclude
1217 # it will be wrapped by ` (' and `)$', 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'.
1220 exclude_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.
1226 extract_expsyms_cmds=
1227
1228 case $host_os in
1229 cygwin* | mingw* | pw32*)
1230 # FIXME: the MSVC++ port hasn't been tested in a loooong time
1231 # When not using gcc, we currently assume that we are using
1232 # Microsoft Visual C++.
1233 if test "$GCC" != yes; then
1234 with_gnu_ld=no
1235 fi
1236 ;;
1237 openbsd*)
1238 with_gnu_ld=no
1239 ;;
1240 esac
1241
1242 ld_shlibs=yes
1243 if 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 $host_os in
1249 aix3* | aix4* | aix5*)
1250 # On AIX, the GNU linker is very broken
1251 # Note:Check GNU linker on AIX 5-IA64 when/if it becomes available.
1252 ld_shlibs=no
1253 cat <<EOF 1>&2
1254
1255 *** Warning: the GNU linker, at least up to release 2.9.1, is reported
1256 *** to be unable to reliably create shared libraries on AIX.
1257 *** Therefore, libtool is disabling shared libraries support. If you
1258 *** really care for shared libraries, you may want to modify your PATH
1259 *** so that a non-GNU linker is found, and then restart.
1260
1261 EOF
1262 ;;
1263
1264 amigaos*)
1265 archive_cmds='$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
1388 EOF
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
1433 else
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
1756 EOF
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 $compiler_flags'
1857 fi
1858 runpath_var='LD_RUN_PATH'
1859 hardcode_shlibpath_var=no
1860 ;;
1861
1862 *)
1863 ld_shlibs=no
1864 ;;
1865 esac
1866 fi
1867 AC_MSG_RESULT([$ld_shlibs])
1868 test "$ld_shlibs" = no && can_build_shared=no
1869 ##
1870 ## END FIXME
1871
1872 ## FIXME: this should be a separate macro
1873 ##
1874 # Check hardcoding attributes.
1875 AC_MSG_CHECKING([how to hardcode library paths into programs])
1876 hardcode_action=
1877 if test -n "$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
1893 else
1894 # We cannot hardcode anything, or else we can only hardcode existing
1895 # directories.
1896 hardcode_action=unsupported
1897 fi
1898 AC_MSG_RESULT([$hardcode_action])
1899 ##
1900 ## END FIXME
1901
1902 ## FIXME: this should be a separate macro
1903 ##
1904 striplib=
1905 old_striplib=
1906 AC_MSG_CHECKING([whether stripping libraries is possible])
1907 if test -n "$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="$STRIP --strip-unneeded"
1910 AC_MSG_RESULT([yes])
1911 else
1912 AC_MSG_RESULT([no])
1913 fi
1914 ##
1915 ## END FIXME
1916
1917 reload_cmds='$LD$reload_flag -o $output$reload_objs'
1918 test -z "$deplibs_check_method" && deplibs_check_method=unknown
1919
1920 ## FIXME: this should be a separate macro
1921 ##
1922 # PORTME Fill in your ld.so characteristics
1923 AC_MSG_CHECKING([dynamic linker characteristics])
1924 library_names_spec=
1925 libname_spec='lib$name'
1926 soname_spec=
1927 postinstall_cmds=
1928 postuninstall_cmds=
1929 finish_cmds=
1930 finish_eval=
1931 shlibpath_var=
1932 shlibpath_overrides_runpath=unknown
1933 version_type=none
1934 dynamic_linker="$host_os ld.so"
1935 sys_lib_dlsearch_path_spec="/lib /usr/lib"
1936 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"
1937
1938 case $host_os in
1939 aix3*)
1940 version_type=linux
1941 library_names_spec='${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
1948 aix4* | 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
1990 amigaos*)
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 ${libname}_ixlibrary.a) || exit 1; done'
1994 ;;
1995
1996 beos*)
1997 library_names_spec='${libname}.so'
1998 dynamic_linker="$host_os ld.so"
1999 shlibpath_var=LIBRARY_PATH
2000 ;;
2001
2002 bsdi4*)
2003 version_type=linux
2004 need_version=no
2005 library_names_spec='${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
2017 cygwin* | 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 $libname.lib'
2042 ;;
2043 esac
2044 dynamic_linker='Win32 ld.exe'
2045 # FIXME: first we should search . and the directory the executable is in
2046 shlibpath_var=PATH
2047 ;;
2048
2049 darwin* | rhapsody*)
2050 dynamic_linker="$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
2063 freebsd1*)
2064 dynamic_linker=no
2065 ;;
2066
2067 freebsd*)
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 $host_os in
2083 freebsd2*)
2084 shlibpath_overrides_runpath=yes
2085 ;;
2086 *)
2087 shlibpath_overrides_runpath=no
2088 hardcode_into_libs=yes
2089 ;;
2090 esac
2091 ;;
2092
2093 gnu*)
2094 version_type=linux
2095 need_lib_prefix=no
2096 need_version=no
2097 library_names_spec='${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
2103 hpux9* | 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 $lib'
2116 ;;
2117
2118 irix5* | irix6*)
2119 version_type=irix
2120 need_lib_prefix=no
2121 need_version=no
2122 soname_spec='${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${libsuff}"
2141 ;;
2142
2143 # No shared lib support for Linux oldld, aout, or coff.
2144 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)
2145 dynamic_linker=no
2146 ;;
2147
2148 # This must be Linux ELF.
2149 linux-gnu*)
2150 version_type=linux
2151 need_lib_prefix=no
2152 need_version=no
2153 library_names_spec='${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
2172 netbsd*)
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
2190 newsos6)
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
2197 openbsd*)
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 $libdir'
2215 shlibpath_var=LD_LIBRARY_PATH
2216 ;;
2217
2218 os2*)
2219 libname_spec='$name'
2220 need_lib_prefix=no
2221 library_names_spec='$libname.dll $libname.a'
2222 dynamic_linker='OS/2 ld.exe'
2223 shlibpath_var=LIBPATH
2224 ;;
2225
2226 osf3* | osf4* | osf5*)
2227 version_type=osf
2228 need_version=no
2229 soname_spec='${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
2236 sco3.2v5*)
2237 version_type=osf
2238 soname_spec='${libname}${release}.so$major'
2239 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'
2240 shlibpath_var=LD_LIBRARY_PATH
2241 ;;
2242
2243 solaris*)
2244 version_type=linux
2245 need_lib_prefix=no
2246 need_version=no
2247 library_names_spec='${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 $lib'
2254 ;;
2255
2256 sunos4*)
2257 version_type=sunos
2258 library_names_spec='${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
2268 sysv4 | 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 $host_vendor in
2274 sni)
2275 shlibpath_overrides_runpath=no
2276 ;;
2277 motorola)
2278 need_lib_prefix=no
2279 need_version=no
2280 shlibpath_overrides_runpath=no
2281 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib'
2282 ;;
2283 esac
2284 ;;
2285
2286 uts4*)
2287 version_type=linux
2288 library_names_spec='${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
2293 dgux*)
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
2302 sysv4*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.$major'
2307 shlibpath_var=LD_LIBRARY_PATH
2308 fi
2309 ;;
2310
2311 *)
2312 dynamic_linker=no
2313 ;;
2314 esac
2315 AC_MSG_RESULT([$dynamic_linker])
2316 test "$dynamic_linker" = no && can_build_shared=no
2317 ##
2318 ## END FIXME
2319
2320 ## FIXME: this should be a separate macro
2321 ##
2322 # Report the final consequences.
2323 AC_MSG_CHECKING([if libtool supports shared libraries])
2324 AC_MSG_RESULT([$can_build_shared])
2325 ##
2326 ## END FIXME
2327
2328 ## FIXME: this should be a separate macro
2329 ##
2330 AC_MSG_CHECKING([whether to build shared libraries])
2331 test "$can_build_shared" = "no" && enable_shared=no
2332
2333 # On AIX, shared libraries and static libraries use the same namespace, and
2334 # are all built from PIC.
2335 case "$host_os" in
2336 aix3*)
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 $lib'
2341 fi
2342 ;;
2343
2344 aix4*)
2345 if test "$host_cpu" != ia64 && test "$aix_use_runtimelinking" = no ; then
2346 test "$enable_shared" = yes && enable_static=no
2347 fi
2348 ;;
2349 esac
2350 AC_MSG_RESULT([$enable_shared])
2351 ##
2352 ## END FIXME
2353
2354 ## FIXME: this should be a separate macro
2355 ##
2356 AC_MSG_CHECKING([whether to build static libraries])
2357 # Make sure either enable_shared or enable_static is yes.
2358 test "$enable_shared" = yes || enable_static=yes
2359 AC_MSG_RESULT([$enable_static])
2360 ##
2361 ## END FIXME
2362
2363 if test "$hardcode_action" = relink; then
2364 # Fast installation is not supported
2365 enable_fast_install=no
2366 elif test "$shlibpath_overrides_runpath" = yes ||
2367 test "$enable_shared" = no; then
2368 # Fast installation is not necessary
2369 enable_fast_install=needless
2370 fi
2371
2372 variables_saved_for_relink="PATH $shlibpath_var $runpath_var"
2373 if test "$GCC" = yes; then
2374 variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH"
2375 fi
2376
2377 AC_LIBTOOL_DLOPEN_SELF
2378
2379 ## FIXME: this should be a separate macro
2380 ##
2381 if test "$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([$lt_cv_archive_cmds_need_lc])
2419 ;;
2420 esac
2421 fi
2422 need_lc=${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.
2432 if test -f "$ltmain"; then
2433 :
2434 else
2435 # If there is no Makefile yet, we rely on a make rule to execute
2436 # `config.status --recheck' to rerun these tests and create the
2437 # libtool script then.
2438 test -f Makefile && make "$ltmain"
2439 fi
2440
2441 if 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.
2513 Xsed="sed -e s/^X//"
2514
2515 # The HP-UX ksh and POSIX shell print the target directory to stdout
2516 # if CDPATH is set.
2517 if 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.
2524 SHELL=$lt_SHELL
2525
2526 # Whether or not to build shared libraries.
2527 build_libtool_libs=$enable_shared
2528
2529 # Whether or not to build static libraries.
2530 build_old_libs=$enable_static
2531
2532 # Whether or not to add -lc for building shared libraries.
2533 build_libtool_need_lc=$need_lc
2534
2535 # Whether or not to optimize for fast installation.
2536 fast_install=$enable_fast_install
2537
2538 # The host system.
2539 host_alias=$host_alias
2540 host=$host
2541
2542 # An echo program that does not interpret backslashes.
2543 echo=$lt_echo
2544
2545 # The archiver.
2546 AR=$lt_AR
2547 AR_FLAGS=$lt_AR_FLAGS
2548
2549 # The default C compiler.
2550 CC=$lt_CC
2551
2552 # Is the compiler the GNU C compiler?
2553 with_gcc=$GCC
2554
2555 # The linker used to build libraries.
2556 LD=$lt_LD
2557
2558 # Whether we need hard or soft links.
2559 LN_S=$lt_LN_S
2560
2561 # A BSD-compatible nm program.
2562 NM=$lt_NM
2563
2564 # A symbol stripping program
2565 STRIP=$STRIP
2566
2567 # Used to examine libraries when file_magic_cmd begins "file"
2568 MAGIC_CMD=$MAGIC_CMD
2569
2570 # Used on cygwin: DLL creation program.
2571 DLLTOOL="$DLLTOOL"
2572
2573 # Used on cygwin: object dumper.
2574 OBJDUMP="$OBJDUMP"
2575
2576 # Used on cygwin: assembler.
2577 AS="$AS"
2578
2579 # The name of the directory that contains temporary libtool files.
2580 objdir=$objdir
2581
2582 # How to create reloadable object files.
2583 reload_flag=$lt_reload_flag
2584 reload_cmds=$lt_reload_cmds
2585
2586 # How to pass a linker flag through the compiler.
2587 wl=$lt_wl
2588
2589 # Object file suffix (normally "o").
2590 objext="$ac_objext"
2591
2592 # Old archive suffix (normally "a").
2593 libext="$libext"
2594
2595 # Executable file suffix (normally "").
2596 exeext="$exeext"
2597
2598 # Additional compiler flags for building library objects.
2599 pic_flag=$lt_pic_flag
2600 pic_mode=$pic_mode
2601
2602 # Does compiler simultaneously support -c and -o options?
2603 compiler_c_o=$lt_compiler_c_o
2604
2605 # Can we write directly to a .lo ?
2606 compiler_o_lo=$lt_compiler_o_lo
2607
2608 # Must we lock files when doing compilation ?
2609 need_locks=$lt_need_locks
2610
2611 # Do we need the lib prefix for modules?
2612 need_lib_prefix=$need_lib_prefix
2613
2614 # Do we need a version for libraries?
2615 need_version=$need_version
2616
2617 # Whether dlopen is supported.
2618 dlopen_support=$enable_dlopen
2619
2620 # Whether dlopen of programs is supported.
2621 dlopen_self=$enable_dlopen_self
2622
2623 # Whether dlopen of statically linked programs is supported.
2624 dlopen_self_static=$enable_dlopen_self_static
2625
2626 # Compiler flag to prevent dynamic linking.
2627 link_static_flag=$lt_link_static_flag
2628
2629 # Compiler flag to turn off builtin functions.
2630 no_builtin_flag=$lt_no_builtin_flag
2631
2632 # Compiler flag to allow reflexive dlopens.
2633 export_dynamic_flag_spec=$lt_export_dynamic_flag_spec
2634
2635 # Compiler flag to generate shared objects directly from archives.
2636 whole_archive_flag_spec=$lt_whole_archive_flag_spec
2637
2638 # Compiler flag to generate thread-safe objects.
2639 thread_safe_flag_spec=$lt_thread_safe_flag_spec
2640
2641 # Library versioning type.
2642 version_type=$version_type
2643
2644 # Format of library name prefix.
2645 libname_spec=$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.
2649 library_names_spec=$lt_library_names_spec
2650
2651 # The coded name of the library, if different from the real name.
2652 soname_spec=$lt_soname_spec
2653
2654 # Commands used to build and install an old-style archive.
2655 RANLIB=$lt_RANLIB
2656 old_archive_cmds=$lt_old_archive_cmds
2657 old_postinstall_cmds=$lt_old_postinstall_cmds
2658 old_postuninstall_cmds=$lt_old_postuninstall_cmds
2659
2660 # Create an old-style archive from a shared archive.
2661 old_archive_from_new_cmds=$lt_old_archive_from_new_cmds
2662
2663 # Create a temporary old-style archive to link instead of a shared archive.
2664 old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds
2665
2666 # Commands used to build and install a shared archive.
2667 archive_cmds=$lt_archive_cmds
2668 archive_expsym_cmds=$lt_archive_expsym_cmds
2669 postinstall_cmds=$lt_postinstall_cmds
2670 postuninstall_cmds=$lt_postuninstall_cmds
2671
2672 # Commands to strip libraries.
2673 old_striplib=$lt_old_striplib
2674 striplib=$lt_striplib
2675
2676 # Method to check whether dependent libraries are shared objects.
2677 deplibs_check_method=$lt_deplibs_check_method
2678
2679 # Command to use when deplibs_check_method == file_magic.
2680 file_magic_cmd=$lt_file_magic_cmd
2681
2682 # Flag that allows shared libraries with undefined symbols to be built.
2683 allow_undefined_flag=$lt_allow_undefined_flag
2684
2685 # Flag that forces no undefined symbols.
2686 no_undefined_flag=$lt_no_undefined_flag
2687
2688 # Commands used to finish a libtool library installation in a directory.
2689 finish_cmds=$lt_finish_cmds
2690
2691 # Same as above, but a single script fragment to be evaled but not shown.
2692 finish_eval=$lt_finish_eval
2693
2694 # Take the output of nm and produce a listing of raw symbols and C names.
2695 global_symbol_pipe=$lt_global_symbol_pipe
2696
2697 # Transform the output of nm in a proper C declaration
2698 global_symbol_to_cdecl=$lt_global_symbol_to_cdecl
2699
2700 # Transform the output of nm in a C name address pair
2701 global_symbol_to_c_name_address=$lt_global_symbol_to_c_name_address
2702
2703 # This is the shared library runtime path variable.
2704 runpath_var=$runpath_var
2705
2706 # This is the shared library path variable.
2707 shlibpath_var=$shlibpath_var
2708
2709 # Is shlibpath searched before the hard-coded library search path?
2710 shlibpath_overrides_runpath=$shlibpath_overrides_runpath
2711
2712 # How to hardcode a shared library path into an executable.
2713 hardcode_action=$hardcode_action
2714
2715 # Whether we should hardcode library paths into libraries.
2716 hardcode_into_libs=$hardcode_into_libs
2717
2718 # Flag to hardcode \$libdir into a binary during linking.
2719 # This must work even if \$libdir does not exist.
2720 hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec
2721
2722 # Whether we need a single -rpath flag with a separated argument.
2723 hardcode_libdir_separator=$lt_hardcode_libdir_separator
2724
2725 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the
2726 # resulting binary.
2727 hardcode_direct=$hardcode_direct
2728
2729 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the
2730 # resulting binary.
2731 hardcode_minus_L=$hardcode_minus_L
2732
2733 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
2734 # the resulting binary.
2735 hardcode_shlibpath_var=$hardcode_shlibpath_var
2736
2737 # Variables whose values should be saved in libtool wrapper scripts and
2738 # restored at relink time.
2739 variables_saved_for_relink="$variables_saved_for_relink"
2740
2741 # Whether libtool must link a program against all its dependency libraries.
2742 link_all_deplibs=$link_all_deplibs
2743
2744 # Compile-time system search path for libraries
2745 sys_lib_search_path_spec=$lt_sys_lib_search_path_spec
2746
2747 # Run-time system search path for libraries
2748 sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec
2749
2750 # Fix the shell variable \$srcfile for the compiler.
2751 fix_srcfile_path="$fix_srcfile_path"
2752
2753 # Set to yes if exported symbols are required.
2754 always_export_symbols=$always_export_symbols
2755
2756 # The commands to list exported symbols.
2757 export_symbols_cmds=$lt_export_symbols_cmds
2758
2759 # The commands to extract the exported symbol list from a shared archive.
2760 extract_expsyms_cmds=$lt_extract_expsyms_cmds
2761
2762 # Symbols that should not be listed in the preloaded symbols.
2763 exclude_expsyms=$lt_exclude_expsyms
2764
2765 # Symbols that must always be exported.
2766 include_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.
2779 if test "X${COLLECT_NAMES+set}" != Xset; then
2780 COLLECT_NAMES=
2781 export COLLECT_NAMES
2782 fi
2783 EOF
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
2963 EOF
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"
2976 fi
2977 ##
2978 ## END FIXME
2979
2980 ])# _LT_AC_LTCONFIG_HACK
2981
2982 # AC_LIBTOOL_DLOPEN - enable checks for dlopen support
2983 AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])])
2984
2985 # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's
2986 AC_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'.
2992 AC_DEFUN([AC_ENABLE_SHARED],
2993 [define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl
2994 AC_ARG_ENABLE(shared,
2995 changequote(<<, >>)dnl
2996 << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT],
2997 changequote([, ])dnl
2998 [p=${PACKAGE-default}
2999 case $enableval in
3000 yes) enable_shared=yes ;;
3001 no) enable_shared=no ;;
3002 *)
3003 enable_shared=no
3004 # Look at the argument we got. We use all the common list separators.
3005 IFS="${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 ;;
3013 esac],
3014 enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl
3015 ])
3016
3017 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared
3018 AC_DEFUN([AC_DISABLE_SHARED],
3019 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3020 AC_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'.
3026 AC_DEFUN([AC_ENABLE_STATIC],
3027 [define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl
3028 AC_ARG_ENABLE(static,
3029 changequote(<<, >>)dnl
3030 << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT],
3031 changequote([, ])dnl
3032 [p=${PACKAGE-default}
3033 case $enableval in
3034 yes) enable_static=yes ;;
3035 no) enable_static=no ;;
3036 *)
3037 enable_static=no
3038 # Look at the argument we got. We use all the common list separators.
3039 IFS="${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 ;;
3047 esac],
3048 enable_static=AC_ENABLE_STATIC_DEFAULT)dnl
3049 ])
3050
3051 # AC_DISABLE_STATIC - set the default static flag to --disable-static
3052 AC_DEFUN([AC_DISABLE_STATIC],
3053 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3054 AC_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'.
3061 AC_DEFUN([AC_ENABLE_FAST_INSTALL],
3062 [define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl
3063 AC_ARG_ENABLE(fast-install,
3064 changequote(<<, >>)dnl
3065 << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT],
3066 changequote([, ])dnl
3067 [p=${PACKAGE-default}
3068 case $enableval in
3069 yes) enable_fast_install=yes ;;
3070 no) enable_fast_install=no ;;
3071 *)
3072 enable_fast_install=no
3073 # Look at the argument we got. We use all the common list separators.
3074 IFS="${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 ;;
3082 esac],
3083 enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl
3084 ])
3085
3086 # AC_DISABLE_FAST_INSTALL - set the default to --disable-fast-install
3087 AC_DEFUN([AC_DISABLE_FAST_INSTALL],
3088 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3089 AC_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'.
3095 AC_DEFUN([AC_LIBTOOL_PICMODE],
3096 [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl
3097 pic_mode=ifelse($#,1,$1,default)])
3098
3099
3100 # AC_PATH_TOOL_PREFIX - find a file program which can recognise shared library
3101 AC_DEFUN([AC_PATH_TOOL_PREFIX],
3102 [AC_MSG_CHECKING([for $1])
3103 AC_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=":"
3114 dnl $ac_dummy forces splitting on constant user-supplied paths.
3115 dnl POSIX.2 word splitting is done only on the output of word expansions,
3116 dnl 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 *** $file_magic_cmd, produces output that libtool cannot recognize.
3135 *** The result is that libtool may fail to recognize shared libraries
3136 *** as such. This will affect the creation of libtool libraries that
3137 *** depend on shared libraries, but programs linked with such libtool
3138 *** libraries will work regardless of this problem. Nevertheless, you
3139 *** may want to report the problem to your system manager and/or to
3140 *** bug-libtool@gnu.org
3141
3142 EOF
3143 fi ;;
3144 esac
3145 fi
3146 break
3147 fi
3148 done
3149 IFS="$ac_save_ifs"
3150 MAGIC_CMD="$ac_save_MAGIC_CMD"
3151 ;;
3152 esac])
3153 MAGIC_CMD="$lt_cv_path_MAGIC_CMD"
3154 if test -n "$MAGIC_CMD"; then
3155 AC_MSG_RESULT($MAGIC_CMD)
3156 else
3157 AC_MSG_RESULT(no)
3158 fi
3159 ])
3160
3161
3162 # AC_PATH_MAGIC - find a file program which can recognise a shared library
3163 AC_DEFUN([AC_PATH_MAGIC],
3164 [AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
3165 AC_PATH_TOOL_PREFIX(${ac_tool_prefix}file, /usr/bin:$PATH)
3166 if test -z "$lt_cv_path_MAGIC_CMD"; then
3167 if test -n "$ac_tool_prefix"; then
3168 AC_PATH_TOOL_PREFIX(file, /usr/bin:$PATH)
3169 else
3170 MAGIC_CMD=:
3171 fi
3172 fi
3173 ])
3174
3175
3176 # AC_PROG_LD - find the path to the GNU or non-GNU linker
3177 AC_DEFUN([AC_PROG_LD],
3178 [AC_ARG_WITH(gnu-ld,
3179 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
3180 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
3181 AC_REQUIRE([AC_PROG_CC])dnl
3182 AC_REQUIRE([AC_CANONICAL_HOST])dnl
3183 AC_REQUIRE([AC_CANONICAL_BUILD])dnl
3184 AC_REQUIRE([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR])dnl
3185 ac_prog=ld
3186 if 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
3216 elif test "$with_gnu_ld" = yes; then
3217 AC_MSG_CHECKING([for GNU ld])
3218 else
3219 AC_MSG_CHECKING([for non-GNU ld])
3220 fi
3221 AC_CACHE_VAL(lt_cv_path_LD,
3222 [if test -z "$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="$ac_save_ifs"
3239 else
3240 lt_cv_path_LD="$LD" # Let the user override the test with a path.
3241 fi])
3242 LD="$lt_cv_path_LD"
3243 if test -n "$LD"; then
3244 AC_MSG_RESULT($LD)
3245 else
3246 AC_MSG_RESULT(no)
3247 fi
3248 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
3249 AC_PROG_LD_GNU
3250 ])
3251
3252 # AC_PROG_LD_GNU -
3253 AC_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.
3256 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then
3257 lt_cv_prog_gnu_ld=yes
3258 else
3259 lt_cv_prog_gnu_ld=no
3260 fi])
3261 with_gnu_ld=$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.
3266 AC_DEFUN([AC_PROG_LD_RELOAD_FLAG],
3267 [AC_CACHE_CHECK([for $LD option to reload object files], lt_cv_ld_reload_flag,
3268 [lt_cv_ld_reload_flag='-r'])
3269 reload_flag=$lt_cv_ld_reload_flag
3270 test -n "$reload_flag" && reload_flag=" $reload_flag"
3271 ])
3272
3273 # AC_DEPLIBS_CHECK_METHOD - how to check for library dependencies
3274 # -- PORTME fill in with the dynamic library characteristics
3275 AC_DEFUN([AC_DEPLIBS_CHECK_METHOD],
3276 [AC_CACHE_CHECK([how to recognise dependant libraries],
3277 lt_cv_deplibs_check_method,
3278 [lt_cv_file_magic_cmd='$MAGIC_CMD'
3279 lt_cv_file_magic_test_file=
3280 lt_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
3292 case $host_os in
3293 aix4* | aix5*)
3294 lt_cv_deplibs_check_method=pass_all
3295 ;;
3296
3297 beos*)
3298 lt_cv_deplibs_check_method=pass_all
3299 ;;
3300
3301 bsdi4*)
3302 lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib)'
3303 lt_cv_file_magic_cmd='/usr/bin/file -L'
3304 lt_cv_file_magic_test_file=/shlib/libc.so
3305 ;;
3306
3307 cygwin* | mingw* | pw32*)
3308 lt_cv_deplibs_check_method='file_magic file format pei*-i386(.*architecture: i386)?'
3309 lt_cv_file_magic_cmd='$OBJDUMP -f'
3310 ;;
3311
3312 darwin* | 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
3325 freebsd*)
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
3341 gnu*)
3342 lt_cv_deplibs_check_method=pass_all
3343 ;;
3344
3345 hpux10.20*|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
3351 irix5* | 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.
3373 linux-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
3384 netbsd*)
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
3392 newos6*)
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
3398 openbsd*)
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
3408 osf3* | 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
3415 sco3.2v5*)
3416 lt_cv_deplibs_check_method=pass_all
3417 ;;
3418
3419 solaris*)
3420 lt_cv_deplibs_check_method=pass_all
3421 lt_cv_file_magic_test_file=/lib/libc.so
3422 ;;
3423
3424 sysv5uw[[78]]* | sysv4*uw2*)
3425 lt_cv_deplibs_check_method=pass_all
3426 ;;
3427
3428 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
3429 case $host_vendor in
3430 motorola)
3431 lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[ML]]SB (shared object|dynamic lib) M[[0-9]][[0-9]]* Version [[0-9]]'
3432 lt_cv_file_magic_test_file=`echo /usr/lib/libc.so*`
3433 ;;
3434 ncr)
3435 lt_cv_deplibs_check_method=pass_all
3436 ;;
3437 sequent)
3438 lt_cv_file_magic_cmd='/bin/file'
3439 lt_cv_deplibs_check_method='file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB (shared object|dynamic lib )'
3440 ;;
3441 sni)
3442 lt_cv_file_magic_cmd='/bin/file'
3443 lt_cv_deplibs_check_method="file_magic ELF [[0-9]][[0-9]]*-bit [[LM]]SB dynamic lib"
3444 lt_cv_file_magic_test_file=/lib/libc.so
3445 ;;
3446 esac
3447 ;;
3448 esac
3449 ])
3450 file_magic_cmd=$lt_cv_file_magic_cmd
3451 deplibs_check_method=$lt_cv_deplibs_check_method
3452 ])
3453
3454
3455 # AC_PROG_NM - find the path to a BSD-compatible name lister
3456 AC_DEFUN([AC_PROG_NM],
3457 [AC_REQUIRE([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR])dnl
3458 AC_MSG_CHECKING([for BSD-compatible nm])
3459 AC_CACHE_VAL(lt_cv_path_NM,
3460 [if test -n "$NM"; then
3461 # Let the user override the test.
3462 lt_cv_path_NM="$NM"
3463 else
3464 IFS="${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
3487 fi])
3488 NM="$lt_cv_path_NM"
3489 AC_MSG_RESULT([$NM])
3490 ])
3491
3492 # AC_CHECK_LIBM - check for math library
3493 AC_DEFUN([AC_CHECK_LIBM],
3494 [AC_REQUIRE([AC_CANONICAL_HOST])dnl
3495 LIBM=
3496 case $host in
3497 *-*-beos* | *-*-cygwin* | *-*-pw32*)
3498 # These system don't have libm
3499 ;;
3500 *-ncr-sysv4.3*)
3501 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw")
3502 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm")
3503 ;;
3504 *)
3505 AC_CHECK_LIB(m, main, LIBM="-lm")
3506 ;;
3507 esac
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.
3520 AC_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.
3542 AC_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
3564 AC_DEFUN([AM_PROG_LIBTOOL], [AC_PROG_LIBTOOL])
3565 AC_DEFUN([AM_ENABLE_SHARED], [AC_ENABLE_SHARED($@)])
3566 AC_DEFUN([AM_ENABLE_STATIC], [AC_ENABLE_STATIC($@)])
3567 AC_DEFUN([AM_DISABLE_SHARED], [AC_DISABLE_SHARED($@)])
3568 AC_DEFUN([AM_DISABLE_STATIC], [AC_DISABLE_STATIC($@)])
3569 AC_DEFUN([AM_PROG_LD], [AC_PROG_LD])
3570 AC_DEFUN([AM_PROG_NM], [AC_PROG_NM])
3571
3572 # This is just to silence aclocal about the macro not being used
3573 ifelse([AC_DISABLE_FAST_INSTALL])