| blob | 334fb952fc3a2f21d96891278d6fd314e0da0c59 |
1 dnl aclocal.m4 generated automatically by aclocal 1.4-p6
3 dnl Copyright (C) 1994, 1995-8, 1999, 2001 Free Software Foundation, Inc.
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
8 dnl This program is distributed in the hope that it will be useful,
9 dnl but WITHOUT ANY WARRANTY, to the extent permitted by law; without
10 dnl even the implied warranty of MERCHANTABILITY or FITNESS FOR A
11 dnl PARTICULAR PURPOSE.
13 # lib-prefix.m4 serial 3 (gettext-0.13)
14 dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
15 dnl This file is free software, distributed under the terms of the GNU
16 dnl General Public License. As a special exception to the GNU General
17 dnl Public License, this file may be distributed as part of a program
18 dnl that contains a configuration script generated by Autoconf, under
19 dnl the same distribution terms as the rest of that program.
21 dnl From Bruno Haible.
23 dnl AC_LIB_ARG_WITH is synonymous to AC_ARG_WITH in autoconf-2.13, and
24 dnl similar to AC_ARG_WITH in autoconf 2.52...2.57 except that is doesn't
25 dnl require excessive bracketing.
26 ifdef([AC_HELP_STRING],
27 [AC_DEFUN([AC_LIB_ARG_WITH], [AC_ARG_WITH([$1],[[$2]],[$3],[$4])])],
28 [AC_DEFUN([AC_][LIB_ARG_WITH], [AC_ARG_WITH([$1],[$2],[$3],[$4])])])
30 dnl AC_LIB_PREFIX adds to the CPPFLAGS and LDFLAGS the flags that are needed
31 dnl to access previously installed libraries. The basic assumption is that
32 dnl a user will want packages to use other packages he previously installed
33 dnl with the same --prefix option.
34 dnl This macro is not needed if only AC_LIB_LINKFLAGS is used to locate
35 dnl libraries, but is otherwise very convenient.
36 AC_DEFUN([AC_LIB_PREFIX],
37 [
38 AC_BEFORE([$0], [AC_LIB_LINKFLAGS])
39 AC_REQUIRE([AC_PROG_CC])
40 AC_REQUIRE([AC_CANONICAL_HOST])
41 AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
42 dnl By default, look in $includedir and $libdir.
43 use_additional=yes
44 AC_LIB_WITH_FINAL_PREFIX([
45 eval additional_includedir=\"$includedir\"
46 eval additional_libdir=\"$libdir\"
47 ])
48 AC_LIB_ARG_WITH([lib-prefix],
49 [ --with-lib-prefix[=DIR] search for libraries in DIR/include and DIR/lib
50 --without-lib-prefix don't search for libraries in includedir and libdir],
51 [
52 if test "X$withval" = "Xno"; then
53 use_additional=no
54 else
55 if test "X$withval" = "X"; then
56 AC_LIB_WITH_FINAL_PREFIX([
57 eval additional_includedir=\"$includedir\"
58 eval additional_libdir=\"$libdir\"
59 ])
60 else
61 additional_includedir="$withval/include"
62 additional_libdir="$withval/lib"
63 fi
64 fi
65 ])
66 if test $use_additional = yes; then
67 dnl Potentially add $additional_includedir to $CPPFLAGS.
68 dnl But don't add it
69 dnl 1. if it's the standard /usr/include,
70 dnl 2. if it's already present in $CPPFLAGS,
71 dnl 3. if it's /usr/local/include and we are using GCC on Linux,
72 dnl 4. if it doesn't exist as a directory.
73 if test "X$additional_includedir" != "X/usr/include"; then
74 haveit=
75 for x in $CPPFLAGS; do
76 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
77 if test "X$x" = "X-I$additional_includedir"; then
78 haveit=yes
79 break
80 fi
81 done
82 if test -z "$haveit"; then
83 if test "X$additional_includedir" = "X/usr/local/include"; then
84 if test -n "$GCC"; then
85 case $host_os in
86 linux*) haveit=yes;;
87 esac
88 fi
89 fi
90 if test -z "$haveit"; then
91 if test -d "$additional_includedir"; then
92 dnl Really add $additional_includedir to $CPPFLAGS.
93 CPPFLAGS="${CPPFLAGS}${CPPFLAGS:+ }-I$additional_includedir"
94 fi
95 fi
96 fi
97 fi
98 dnl Potentially add $additional_libdir to $LDFLAGS.
99 dnl But don't add it
100 dnl 1. if it's the standard /usr/lib,
101 dnl 2. if it's already present in $LDFLAGS,
102 dnl 3. if it's /usr/local/lib and we are using GCC on Linux,
103 dnl 4. if it doesn't exist as a directory.
104 if test "X$additional_libdir" != "X/usr/lib"; then
105 haveit=
106 for x in $LDFLAGS; do
107 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
108 if test "X$x" = "X-L$additional_libdir"; then
109 haveit=yes
110 break
111 fi
112 done
113 if test -z "$haveit"; then
114 if test "X$additional_libdir" = "X/usr/local/lib"; then
115 if test -n "$GCC"; then
116 case $host_os in
117 linux*) haveit=yes;;
118 esac
119 fi
120 fi
121 if test -z "$haveit"; then
122 if test -d "$additional_libdir"; then
123 dnl Really add $additional_libdir to $LDFLAGS.
124 LDFLAGS="${LDFLAGS}${LDFLAGS:+ }-L$additional_libdir"
125 fi
126 fi
127 fi
128 fi
129 fi
130 ])
132 dnl AC_LIB_PREPARE_PREFIX creates variables acl_final_prefix,
133 dnl acl_final_exec_prefix, containing the values to which $prefix and
134 dnl $exec_prefix will expand at the end of the configure script.
135 AC_DEFUN([AC_LIB_PREPARE_PREFIX],
136 [
137 dnl Unfortunately, prefix and exec_prefix get only finally determined
138 dnl at the end of configure.
139 if test "X$prefix" = "XNONE"; then
140 acl_final_prefix="$ac_default_prefix"
141 else
142 acl_final_prefix="$prefix"
143 fi
144 if test "X$exec_prefix" = "XNONE"; then
145 acl_final_exec_prefix='${prefix}'
146 else
147 acl_final_exec_prefix="$exec_prefix"
148 fi
149 acl_save_prefix="$prefix"
150 prefix="$acl_final_prefix"
151 eval acl_final_exec_prefix=\"$acl_final_exec_prefix\"
152 prefix="$acl_save_prefix"
153 ])
155 dnl AC_LIB_WITH_FINAL_PREFIX([statement]) evaluates statement, with the
156 dnl variables prefix and exec_prefix bound to the values they will have
157 dnl at the end of the configure script.
158 AC_DEFUN([AC_LIB_WITH_FINAL_PREFIX],
159 [
160 acl_save_prefix="$prefix"
161 prefix="$acl_final_prefix"
162 acl_save_exec_prefix="$exec_prefix"
163 exec_prefix="$acl_final_exec_prefix"
164 $1
165 exec_prefix="$acl_save_exec_prefix"
166 prefix="$acl_save_prefix"
167 ])
169 # lib-link.m4 serial 4 (gettext-0.12)
170 dnl Copyright (C) 2001-2003 Free Software Foundation, Inc.
171 dnl This file is free software, distributed under the terms of the GNU
172 dnl General Public License. As a special exception to the GNU General
173 dnl Public License, this file may be distributed as part of a program
174 dnl that contains a configuration script generated by Autoconf, under
175 dnl the same distribution terms as the rest of that program.
177 dnl From Bruno Haible.
179 dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and
180 dnl the libraries corresponding to explicit and implicit dependencies.
181 dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and
182 dnl augments the CPPFLAGS variable.
183 AC_DEFUN([AC_LIB_LINKFLAGS],
184 [
185 AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
186 AC_REQUIRE([AC_LIB_RPATH])
187 define([Name],[translit([$1],[./-], [___])])
188 define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
189 [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
190 AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [
191 AC_LIB_LINKFLAGS_BODY([$1], [$2])
192 ac_cv_lib[]Name[]_libs="$LIB[]NAME"
193 ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME"
194 ac_cv_lib[]Name[]_cppflags="$INC[]NAME"
195 ])
196 LIB[]NAME="$ac_cv_lib[]Name[]_libs"
197 LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs"
198 INC[]NAME="$ac_cv_lib[]Name[]_cppflags"
199 AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
200 AC_SUBST([LIB]NAME)
201 AC_SUBST([LTLIB]NAME)
202 dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the
203 dnl results of this search when this library appears as a dependency.
204 HAVE_LIB[]NAME=yes
205 undefine([Name])
206 undefine([NAME])
207 ])
209 dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode)
210 dnl searches for libname and the libraries corresponding to explicit and
211 dnl implicit dependencies, together with the specified include files and
212 dnl the ability to compile and link the specified testcode. If found, it
213 dnl sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} and
214 dnl LTLIB${NAME} variables and augments the CPPFLAGS variable, and
215 dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs
216 dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty.
217 AC_DEFUN([AC_LIB_HAVE_LINKFLAGS],
218 [
219 AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
220 AC_REQUIRE([AC_LIB_RPATH])
221 define([Name],[translit([$1],[./-], [___])])
222 define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
223 [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
225 dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME
226 dnl accordingly.
227 AC_LIB_LINKFLAGS_BODY([$1], [$2])
229 dnl Add $INC[]NAME to CPPFLAGS before performing the following checks,
230 dnl because if the user has installed lib[]Name and not disabled its use
231 dnl via --without-lib[]Name-prefix, he wants to use it.
232 ac_save_CPPFLAGS="$CPPFLAGS"
233 AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME)
235 AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [
236 ac_save_LIBS="$LIBS"
237 LIBS="$LIBS $LIB[]NAME"
238 AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no])
239 LIBS="$ac_save_LIBS"
240 ])
241 if test "$ac_cv_lib[]Name" = yes; then
242 HAVE_LIB[]NAME=yes
243 AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the $1 library.])
244 AC_MSG_CHECKING([how to link with lib[]$1])
245 AC_MSG_RESULT([$LIB[]NAME])
246 else
247 HAVE_LIB[]NAME=no
248 dnl If $LIB[]NAME didn't lead to a usable library, we don't need
249 dnl $INC[]NAME either.
250 CPPFLAGS="$ac_save_CPPFLAGS"
251 LIB[]NAME=
252 LTLIB[]NAME=
253 fi
254 AC_SUBST([HAVE_LIB]NAME)
255 AC_SUBST([LIB]NAME)
256 AC_SUBST([LTLIB]NAME)
257 undefine([Name])
258 undefine([NAME])
259 ])
261 dnl Determine the platform dependent parameters needed to use rpath:
262 dnl libext, shlibext, hardcode_libdir_flag_spec, hardcode_libdir_separator,
263 dnl hardcode_direct, hardcode_minus_L.
264 AC_DEFUN([AC_LIB_RPATH],
265 [
266 AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS
267 AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld
268 AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host
269 AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir
270 AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [
271 CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \
272 ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh
273 . ./conftest.sh
274 rm -f ./conftest.sh
275 acl_cv_rpath=done
276 ])
277 wl="$acl_cv_wl"
278 libext="$acl_cv_libext"
279 shlibext="$acl_cv_shlibext"
280 hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec"
281 hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator"
282 hardcode_direct="$acl_cv_hardcode_direct"
283 hardcode_minus_L="$acl_cv_hardcode_minus_L"
284 dnl Determine whether the user wants rpath handling at all.
285 AC_ARG_ENABLE(rpath,
286 [ --disable-rpath do not hardcode runtime library paths],
287 :, enable_rpath=yes)
288 ])
290 dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and
291 dnl the libraries corresponding to explicit and implicit dependencies.
292 dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables.
293 AC_DEFUN([AC_LIB_LINKFLAGS_BODY],
294 [
295 define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
296 [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
297 dnl By default, look in $includedir and $libdir.
298 use_additional=yes
299 AC_LIB_WITH_FINAL_PREFIX([
300 eval additional_includedir=\"$includedir\"
301 eval additional_libdir=\"$libdir\"
302 ])
303 AC_LIB_ARG_WITH([lib$1-prefix],
304 [ --with-lib$1-prefix[=DIR] search for lib$1 in DIR/include and DIR/lib
305 --without-lib$1-prefix don't search for lib$1 in includedir and libdir],
306 [
307 if test "X$withval" = "Xno"; then
308 use_additional=no
309 else
310 if test "X$withval" = "X"; then
311 AC_LIB_WITH_FINAL_PREFIX([
312 eval additional_includedir=\"$includedir\"
313 eval additional_libdir=\"$libdir\"
314 ])
315 else
316 additional_includedir="$withval/include"
317 additional_libdir="$withval/lib"
318 fi
319 fi
320 ])
321 dnl Search the library and its dependencies in $additional_libdir and
322 dnl $LDFLAGS. Using breadth-first-seach.
323 LIB[]NAME=
324 LTLIB[]NAME=
325 INC[]NAME=
326 rpathdirs=
327 ltrpathdirs=
328 names_already_handled=
329 names_next_round='$1 $2'
330 while test -n "$names_next_round"; do
331 names_this_round="$names_next_round"
332 names_next_round=
333 for name in $names_this_round; do
334 already_handled=
335 for n in $names_already_handled; do
336 if test "$n" = "$name"; then
337 already_handled=yes
338 break
339 fi
340 done
341 if test -z "$already_handled"; then
342 names_already_handled="$names_already_handled $name"
343 dnl See if it was already located by an earlier AC_LIB_LINKFLAGS
344 dnl or AC_LIB_HAVE_LINKFLAGS call.
345 uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'`
346 eval value=\"\$HAVE_LIB$uppername\"
347 if test -n "$value"; then
348 if test "$value" = yes; then
349 eval value=\"\$LIB$uppername\"
350 test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value"
351 eval value=\"\$LTLIB$uppername\"
352 test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value"
353 else
354 dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined
355 dnl that this library doesn't exist. So just drop it.
356 :
357 fi
358 else
359 dnl Search the library lib$name in $additional_libdir and $LDFLAGS
360 dnl and the already constructed $LIBNAME/$LTLIBNAME.
361 found_dir=
362 found_la=
363 found_so=
364 found_a=
365 if test $use_additional = yes; then
366 if test -n "$shlibext" && test -f "$additional_libdir/lib$name.$shlibext"; then
367 found_dir="$additional_libdir"
368 found_so="$additional_libdir/lib$name.$shlibext"
369 if test -f "$additional_libdir/lib$name.la"; then
370 found_la="$additional_libdir/lib$name.la"
371 fi
372 else
373 if test -f "$additional_libdir/lib$name.$libext"; then
374 found_dir="$additional_libdir"
375 found_a="$additional_libdir/lib$name.$libext"
376 if test -f "$additional_libdir/lib$name.la"; then
377 found_la="$additional_libdir/lib$name.la"
378 fi
379 fi
380 fi
381 fi
382 if test "X$found_dir" = "X"; then
383 for x in $LDFLAGS $LTLIB[]NAME; do
384 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
385 case "$x" in
386 -L*)
387 dir=`echo "X$x" | sed -e 's/^X-L//'`
388 if test -n "$shlibext" && test -f "$dir/lib$name.$shlibext"; then
389 found_dir="$dir"
390 found_so="$dir/lib$name.$shlibext"
391 if test -f "$dir/lib$name.la"; then
392 found_la="$dir/lib$name.la"
393 fi
394 else
395 if test -f "$dir/lib$name.$libext"; then
396 found_dir="$dir"
397 found_a="$dir/lib$name.$libext"
398 if test -f "$dir/lib$name.la"; then
399 found_la="$dir/lib$name.la"
400 fi
401 fi
402 fi
403 ;;
404 esac
405 if test "X$found_dir" != "X"; then
406 break
407 fi
408 done
409 fi
410 if test "X$found_dir" != "X"; then
411 dnl Found the library.
412 LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name"
413 if test "X$found_so" != "X"; then
414 dnl Linking with a shared library. We attempt to hardcode its
415 dnl directory into the executable's runpath, unless it's the
416 dnl standard /usr/lib.
417 if test "$enable_rpath" = no || test "X$found_dir" = "X/usr/lib"; then
418 dnl No hardcoding is needed.
419 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
420 else
421 dnl Use an explicit option to hardcode DIR into the resulting
422 dnl binary.
423 dnl Potentially add DIR to ltrpathdirs.
424 dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
425 haveit=
426 for x in $ltrpathdirs; do
427 if test "X$x" = "X$found_dir"; then
428 haveit=yes
429 break
430 fi
431 done
432 if test -z "$haveit"; then
433 ltrpathdirs="$ltrpathdirs $found_dir"
434 fi
435 dnl The hardcoding into $LIBNAME is system dependent.
436 if test "$hardcode_direct" = yes; then
437 dnl Using DIR/libNAME.so during linking hardcodes DIR into the
438 dnl resulting binary.
439 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
440 else
441 if test -n "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then
442 dnl Use an explicit option to hardcode DIR into the resulting
443 dnl binary.
444 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
445 dnl Potentially add DIR to rpathdirs.
446 dnl The rpathdirs will be appended to $LIBNAME at the end.
447 haveit=
448 for x in $rpathdirs; do
449 if test "X$x" = "X$found_dir"; then
450 haveit=yes
451 break
452 fi
453 done
454 if test -z "$haveit"; then
455 rpathdirs="$rpathdirs $found_dir"
456 fi
457 else
458 dnl Rely on "-L$found_dir".
459 dnl But don't add it if it's already contained in the LDFLAGS
460 dnl or the already constructed $LIBNAME
461 haveit=
462 for x in $LDFLAGS $LIB[]NAME; do
463 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
464 if test "X$x" = "X-L$found_dir"; then
465 haveit=yes
466 break
467 fi
468 done
469 if test -z "$haveit"; then
470 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir"
471 fi
472 if test "$hardcode_minus_L" != no; then
473 dnl FIXME: Not sure whether we should use
474 dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
475 dnl here.
476 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so"
477 else
478 dnl We cannot use $hardcode_runpath_var and LD_RUN_PATH
479 dnl here, because this doesn't fit in flags passed to the
480 dnl compiler. So give up. No hardcoding. This affects only
481 dnl very old systems.
482 dnl FIXME: Not sure whether we should use
483 dnl "-L$found_dir -l$name" or "-L$found_dir $found_so"
484 dnl here.
485 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
486 fi
487 fi
488 fi
489 fi
490 else
491 if test "X$found_a" != "X"; then
492 dnl Linking with a static library.
493 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a"
494 else
495 dnl We shouldn't come here, but anyway it's good to have a
496 dnl fallback.
497 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name"
498 fi
499 fi
500 dnl Assume the include files are nearby.
501 additional_includedir=
502 case "$found_dir" in
503 */lib | */lib/)
504 basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'`
505 additional_includedir="$basedir/include"
506 ;;
507 esac
508 if test "X$additional_includedir" != "X"; then
509 dnl Potentially add $additional_includedir to $INCNAME.
510 dnl But don't add it
511 dnl 1. if it's the standard /usr/include,
512 dnl 2. if it's /usr/local/include and we are using GCC on Linux,
513 dnl 3. if it's already present in $CPPFLAGS or the already
514 dnl constructed $INCNAME,
515 dnl 4. if it doesn't exist as a directory.
516 if test "X$additional_includedir" != "X/usr/include"; then
517 haveit=
518 if test "X$additional_includedir" = "X/usr/local/include"; then
519 if test -n "$GCC"; then
520 case $host_os in
521 linux*) haveit=yes;;
522 esac
523 fi
524 fi
525 if test -z "$haveit"; then
526 for x in $CPPFLAGS $INC[]NAME; do
527 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
528 if test "X$x" = "X-I$additional_includedir"; then
529 haveit=yes
530 break
531 fi
532 done
533 if test -z "$haveit"; then
534 if test -d "$additional_includedir"; then
535 dnl Really add $additional_includedir to $INCNAME.
536 INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir"
537 fi
538 fi
539 fi
540 fi
541 fi
542 dnl Look for dependencies.
543 if test -n "$found_la"; then
544 dnl Read the .la file. It defines the variables
545 dnl dlname, library_names, old_library, dependency_libs, current,
546 dnl age, revision, installed, dlopen, dlpreopen, libdir.
547 save_libdir="$libdir"
548 case "$found_la" in
549 */* | *\\*) . "$found_la" ;;
550 *) . "./$found_la" ;;
551 esac
552 libdir="$save_libdir"
553 dnl We use only dependency_libs.
554 for dep in $dependency_libs; do
555 case "$dep" in
556 -L*)
557 additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'`
558 dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME.
559 dnl But don't add it
560 dnl 1. if it's the standard /usr/lib,
561 dnl 2. if it's /usr/local/lib and we are using GCC on Linux,
562 dnl 3. if it's already present in $LDFLAGS or the already
563 dnl constructed $LIBNAME,
564 dnl 4. if it doesn't exist as a directory.
565 if test "X$additional_libdir" != "X/usr/lib"; then
566 haveit=
567 if test "X$additional_libdir" = "X/usr/local/lib"; then
568 if test -n "$GCC"; then
569 case $host_os in
570 linux*) haveit=yes;;
571 esac
572 fi
573 fi
574 if test -z "$haveit"; then
575 haveit=
576 for x in $LDFLAGS $LIB[]NAME; do
577 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
578 if test "X$x" = "X-L$additional_libdir"; then
579 haveit=yes
580 break
581 fi
582 done
583 if test -z "$haveit"; then
584 if test -d "$additional_libdir"; then
585 dnl Really add $additional_libdir to $LIBNAME.
586 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir"
587 fi
588 fi
589 haveit=
590 for x in $LDFLAGS $LTLIB[]NAME; do
591 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
592 if test "X$x" = "X-L$additional_libdir"; then
593 haveit=yes
594 break
595 fi
596 done
597 if test -z "$haveit"; then
598 if test -d "$additional_libdir"; then
599 dnl Really add $additional_libdir to $LTLIBNAME.
600 LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir"
601 fi
602 fi
603 fi
604 fi
605 ;;
606 -R*)
607 dir=`echo "X$dep" | sed -e 's/^X-R//'`
608 if test "$enable_rpath" != no; then
609 dnl Potentially add DIR to rpathdirs.
610 dnl The rpathdirs will be appended to $LIBNAME at the end.
611 haveit=
612 for x in $rpathdirs; do
613 if test "X$x" = "X$dir"; then
614 haveit=yes
615 break
616 fi
617 done
618 if test -z "$haveit"; then
619 rpathdirs="$rpathdirs $dir"
620 fi
621 dnl Potentially add DIR to ltrpathdirs.
622 dnl The ltrpathdirs will be appended to $LTLIBNAME at the end.
623 haveit=
624 for x in $ltrpathdirs; do
625 if test "X$x" = "X$dir"; then
626 haveit=yes
627 break
628 fi
629 done
630 if test -z "$haveit"; then
631 ltrpathdirs="$ltrpathdirs $dir"
632 fi
633 fi
634 ;;
635 -l*)
636 dnl Handle this in the next round.
637 names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'`
638 ;;
639 *.la)
640 dnl Handle this in the next round. Throw away the .la's
641 dnl directory; it is already contained in a preceding -L
642 dnl option.
643 names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'`
644 ;;
645 *)
646 dnl Most likely an immediate library name.
647 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep"
648 LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep"
649 ;;
650 esac
651 done
652 fi
653 else
654 dnl Didn't find the library; assume it is in the system directories
655 dnl known to the linker and runtime loader. (All the system
656 dnl directories known to the linker should also be known to the
657 dnl runtime loader, otherwise the system is severely misconfigured.)
658 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name"
659 LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name"
660 fi
661 fi
662 fi
663 done
664 done
665 if test "X$rpathdirs" != "X"; then
666 if test -n "$hardcode_libdir_separator"; then
667 dnl Weird platform: only the last -rpath option counts, the user must
668 dnl pass all path elements in one option. We can arrange that for a
669 dnl single library, but not when more than one $LIBNAMEs are used.
670 alldirs=
671 for found_dir in $rpathdirs; do
672 alldirs="${alldirs}${alldirs:+$hardcode_libdir_separator}$found_dir"
673 done
674 dnl Note: hardcode_libdir_flag_spec uses $libdir and $wl.
675 acl_save_libdir="$libdir"
676 libdir="$alldirs"
677 eval flag=\"$hardcode_libdir_flag_spec\"
678 libdir="$acl_save_libdir"
679 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
680 else
681 dnl The -rpath options are cumulative.
682 for found_dir in $rpathdirs; do
683 acl_save_libdir="$libdir"
684 libdir="$found_dir"
685 eval flag=\"$hardcode_libdir_flag_spec\"
686 libdir="$acl_save_libdir"
687 LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag"
688 done
689 fi
690 fi
691 if test "X$ltrpathdirs" != "X"; then
692 dnl When using libtool, the option that works for both libraries and
693 dnl executables is -R. The -R options are cumulative.
694 for found_dir in $ltrpathdirs; do
695 LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir"
696 done
697 fi
698 ])
700 dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR,
701 dnl unless already present in VAR.
702 dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes
703 dnl contains two or three consecutive elements that belong together.
704 AC_DEFUN([AC_LIB_APPENDTOVAR],
705 [
706 for element in [$2]; do
707 haveit=
708 for x in $[$1]; do
709 AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"])
710 if test "X$x" = "X$element"; then
711 haveit=yes
712 break
713 fi
714 done
715 if test -z "$haveit"; then
716 [$1]="${[$1]}${[$1]:+ }$element"
717 fi
718 done
719 ])
721 # lib-ld.m4 serial 3 (gettext-0.13)
722 dnl Copyright (C) 1996-2003 Free Software Foundation, Inc.
723 dnl This file is free software, distributed under the terms of the GNU
724 dnl General Public License. As a special exception to the GNU General
725 dnl Public License, this file may be distributed as part of a program
726 dnl that contains a configuration script generated by Autoconf, under
727 dnl the same distribution terms as the rest of that program.
729 dnl Subroutines of libtool.m4,
730 dnl with replacements s/AC_/AC_LIB/ and s/lt_cv/acl_cv/ to avoid collision
731 dnl with libtool.m4.
733 dnl From libtool-1.4. Sets the variable with_gnu_ld to yes or no.
734 AC_DEFUN([AC_LIB_PROG_LD_GNU],
735 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], acl_cv_prog_gnu_ld,
736 [# I'd rather use --version here, but apparently some GNU ld's only accept -v.
737 case `$LD -v 2>&1 </dev/null` in
738 *GNU* | *'with BFD'*)
739 acl_cv_prog_gnu_ld=yes ;;
740 *)
741 acl_cv_prog_gnu_ld=no ;;
742 esac])
743 with_gnu_ld=$acl_cv_prog_gnu_ld
744 ])
746 dnl From libtool-1.4. Sets the variable LD.
747 AC_DEFUN([AC_LIB_PROG_LD],
748 [AC_ARG_WITH(gnu-ld,
749 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]],
750 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no)
751 AC_REQUIRE([AC_PROG_CC])dnl
752 AC_REQUIRE([AC_CANONICAL_HOST])dnl
753 # Prepare PATH_SEPARATOR.
754 # The user is always right.
755 if test "${PATH_SEPARATOR+set}" != set; then
756 echo "#! /bin/sh" >conf$$.sh
757 echo "exit 0" >>conf$$.sh
758 chmod +x conf$$.sh
759 if (PATH="/nonexistent;."; conf$$.sh) >/dev/null 2>&1; then
760 PATH_SEPARATOR=';'
761 else
762 PATH_SEPARATOR=:
763 fi
764 rm -f conf$$.sh
765 fi
766 ac_prog=ld
767 if test "$GCC" = yes; then
768 # Check if gcc -print-prog-name=ld gives a path.
769 AC_MSG_CHECKING([for ld used by GCC])
770 case $host in
771 *-*-mingw*)
772 # gcc leaves a trailing carriage return which upsets mingw
773 ac_prog=`($CC -print-prog-name=ld) 2>&5 | tr -d '\015'` ;;
774 *)
775 ac_prog=`($CC -print-prog-name=ld) 2>&5` ;;
776 esac
777 case $ac_prog in
778 # Accept absolute paths.
779 [[\\/]* | [A-Za-z]:[\\/]*)]
780 [re_direlt='/[^/][^/]*/\.\./']
781 # Canonicalize the path of ld
782 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'`
783 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do
784 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"`
785 done
786 test -z "$LD" && LD="$ac_prog"
787 ;;
788 "")
789 # If it fails, then pretend we aren't using GCC.
790 ac_prog=ld
791 ;;
792 *)
793 # If it is relative, then search for the first ld in PATH.
794 with_gnu_ld=unknown
795 ;;
796 esac
797 elif test "$with_gnu_ld" = yes; then
798 AC_MSG_CHECKING([for GNU ld])
799 else
800 AC_MSG_CHECKING([for non-GNU ld])
801 fi
802 AC_CACHE_VAL(acl_cv_path_LD,
803 [if test -z "$LD"; then
804 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}"
805 for ac_dir in $PATH; do
806 test -z "$ac_dir" && ac_dir=.
807 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then
808 acl_cv_path_LD="$ac_dir/$ac_prog"
809 # Check to see if the program is GNU ld. I'd rather use --version,
810 # but apparently some GNU ld's only accept -v.
811 # Break only if it was the GNU/non-GNU ld that we prefer.
812 case `"$acl_cv_path_LD" -v 2>&1 < /dev/null` in
813 *GNU* | *'with BFD'*)
814 test "$with_gnu_ld" != no && break ;;
815 *)
816 test "$with_gnu_ld" != yes && break ;;
817 esac
818 fi
819 done
820 IFS="$ac_save_ifs"
821 else
822 acl_cv_path_LD="$LD" # Let the user override the test with a path.
823 fi])
824 LD="$acl_cv_path_LD"
825 if test -n "$LD"; then
826 AC_MSG_RESULT($LD)
827 else
828 AC_MSG_RESULT(no)
829 fi
830 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH])
831 AC_LIB_PROG_LD_GNU
832 ])