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1 | # lib-link.m4 serial 2 (gettext-0.11.2) |
2 | dnl Copyright (C) 2001-2002 Free Software Foundation, Inc. | |
3 | dnl This file is free software, distributed under the terms of the GNU | |
4 | dnl General Public License. As a special exception to the GNU General | |
5 | dnl Public License, this file may be distributed as part of a program | |
6 | dnl that contains a configuration script generated by Autoconf, under | |
7 | dnl the same distribution terms as the rest of that program. | |
8 | ||
9 | dnl From Bruno Haible. | |
10 | ||
11 | dnl AC_LIB_LINKFLAGS(name [, dependencies]) searches for libname and | |
12 | dnl the libraries corresponding to explicit and implicit dependencies. | |
13 | dnl Sets and AC_SUBSTs the LIB${NAME} and LTLIB${NAME} variables and | |
14 | dnl augments the CPPFLAGS variable. | |
15 | AC_DEFUN([AC_LIB_LINKFLAGS], | |
16 | [ | |
17 | AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) | |
18 | AC_REQUIRE([AC_LIB_RPATH]) | |
19 | define([Name],[translit([$1],[./-], [___])]) | |
20 | define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-], | |
21 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])]) | |
22 | AC_CACHE_CHECK([how to link with lib[]$1], [ac_cv_lib[]Name[]_libs], [ | |
23 | AC_LIB_LINKFLAGS_BODY([$1], [$2]) | |
24 | ac_cv_lib[]Name[]_libs="$LIB[]NAME" | |
25 | ac_cv_lib[]Name[]_ltlibs="$LTLIB[]NAME" | |
26 | ac_cv_lib[]Name[]_cppflags="$INC[]NAME" | |
27 | ]) | |
28 | LIB[]NAME="$ac_cv_lib[]Name[]_libs" | |
29 | LTLIB[]NAME="$ac_cv_lib[]Name[]_ltlibs" | |
30 | INC[]NAME="$ac_cv_lib[]Name[]_cppflags" | |
31 | AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME) | |
32 | AC_SUBST([LIB]NAME) | |
33 | AC_SUBST([LTLIB]NAME) | |
34 | dnl Also set HAVE_LIB[]NAME so that AC_LIB_HAVE_LINKFLAGS can reuse the | |
35 | dnl results of this search when this library appears as a dependency. | |
36 | HAVE_LIB[]NAME=yes | |
37 | undefine([Name]) | |
38 | undefine([NAME]) | |
39 | ]) | |
40 | ||
41 | dnl AC_LIB_HAVE_LINKFLAGS(name, dependencies, includes, testcode) | |
42 | dnl searches for libname and the libraries corresponding to explicit and | |
43 | dnl implicit dependencies, together with the specified include files and | |
44 | dnl the ability to compile and link the specified testcode. If found, it | |
45 | dnl sets and AC_SUBSTs HAVE_LIB${NAME}=yes and the LIB${NAME} and | |
46 | dnl LTLIB${NAME} variables and augments the CPPFLAGS variable, and | |
47 | dnl #defines HAVE_LIB${NAME} to 1. Otherwise, it sets and AC_SUBSTs | |
48 | dnl HAVE_LIB${NAME}=no and LIB${NAME} and LTLIB${NAME} to empty. | |
49 | AC_DEFUN([AC_LIB_HAVE_LINKFLAGS], | |
50 | [ | |
51 | AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) | |
52 | AC_REQUIRE([AC_LIB_RPATH]) | |
53 | define([Name],[translit([$1],[./-], [___])]) | |
54 | define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-], | |
55 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])]) | |
56 | ||
57 | dnl Search for lib[]Name and define LIB[]NAME, LTLIB[]NAME and INC[]NAME | |
58 | dnl accordingly. | |
59 | AC_LIB_LINKFLAGS_BODY([$1], [$2]) | |
60 | ||
61 | dnl Add $INC[]NAME to CPPFLAGS before performing the following checks, | |
62 | dnl because if the user has installed lib[]Name and not disabled its use | |
63 | dnl via --without-lib[]Name-prefix, he wants to use it. | |
64 | ac_save_CPPFLAGS="$CPPFLAGS" | |
65 | AC_LIB_APPENDTOVAR([CPPFLAGS], [$INC]NAME) | |
66 | ||
67 | AC_CACHE_CHECK([for lib[]$1], [ac_cv_lib[]Name], [ | |
68 | ac_save_LIBS="$LIBS" | |
69 | LIBS="$LIBS $LIB[]NAME" | |
70 | AC_TRY_LINK([$3], [$4], [ac_cv_lib[]Name=yes], [ac_cv_lib[]Name=no]) | |
71 | LIBS="$ac_save_LIBS" | |
72 | ]) | |
73 | if test "$ac_cv_lib[]Name" = yes; then | |
74 | HAVE_LIB[]NAME=yes | |
75 | AC_DEFINE([HAVE_LIB]NAME, 1, [Define if you have the $1 library.]) | |
76 | AC_MSG_CHECKING([how to link with lib[]$1]) | |
77 | AC_MSG_RESULT([$LIB[]NAME]) | |
78 | else | |
79 | HAVE_LIB[]NAME=no | |
80 | dnl If $LIB[]NAME didn't lead to a usable library, we don't need | |
81 | dnl $INC[]NAME either. | |
82 | CPPFLAGS="$ac_save_CPPFLAGS" | |
83 | LIB[]NAME= | |
84 | LTLIB[]NAME= | |
85 | fi | |
86 | AC_SUBST([HAVE_LIB]NAME) | |
87 | AC_SUBST([LIB]NAME) | |
88 | AC_SUBST([LTLIB]NAME) | |
89 | undefine([Name]) | |
90 | undefine([NAME]) | |
91 | ]) | |
92 | ||
93 | dnl Determine the platform dependent parameters needed to use rpath: | |
94 | dnl libext, shlibext, hardcode_libdir_flag_spec, hardcode_libdir_separator, | |
95 | dnl hardcode_direct, hardcode_minus_L, | |
96 | dnl sys_lib_search_path_spec, sys_lib_dlsearch_path_spec. | |
97 | AC_DEFUN([AC_LIB_RPATH], | |
98 | [ | |
99 | AC_REQUIRE([AC_PROG_CC]) dnl we use $CC, $GCC, $LDFLAGS | |
100 | AC_REQUIRE([AC_LIB_PROG_LD]) dnl we use $LD, $with_gnu_ld | |
101 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl we use $host | |
102 | AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT]) dnl we use $ac_aux_dir | |
103 | AC_CACHE_CHECK([for shared library run path origin], acl_cv_rpath, [ | |
104 | CC="$CC" GCC="$GCC" LDFLAGS="$LDFLAGS" LD="$LD" with_gnu_ld="$with_gnu_ld" \ | |
105 | ${CONFIG_SHELL-/bin/sh} "$ac_aux_dir/config.rpath" "$host" > conftest.sh | |
106 | . ./conftest.sh | |
107 | rm -f ./conftest.sh | |
108 | acl_cv_rpath=done | |
109 | ]) | |
110 | wl="$acl_cv_wl" | |
111 | libext="$acl_cv_libext" | |
112 | shlibext="$acl_cv_shlibext" | |
113 | hardcode_libdir_flag_spec="$acl_cv_hardcode_libdir_flag_spec" | |
114 | hardcode_libdir_separator="$acl_cv_hardcode_libdir_separator" | |
115 | hardcode_direct="$acl_cv_hardcode_direct" | |
116 | hardcode_minus_L="$acl_cv_hardcode_minus_L" | |
117 | sys_lib_search_path_spec="$acl_cv_sys_lib_search_path_spec" | |
118 | sys_lib_dlsearch_path_spec="$acl_cv_sys_lib_dlsearch_path_spec" | |
119 | ]) | |
120 | ||
121 | dnl AC_LIB_LINKFLAGS_BODY(name [, dependencies]) searches for libname and | |
122 | dnl the libraries corresponding to explicit and implicit dependencies. | |
123 | dnl Sets the LIB${NAME}, LTLIB${NAME} and INC${NAME} variables. | |
124 | AC_DEFUN([AC_LIB_LINKFLAGS_BODY], | |
125 | [ | |
126 | define([NAME],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-], | |
127 | [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])]) | |
128 | dnl By default, look in $includedir and $libdir. | |
129 | use_additional=yes | |
130 | AC_LIB_WITH_FINAL_PREFIX([ | |
131 | eval additional_includedir=\"$includedir\" | |
132 | eval additional_libdir=\"$libdir\" | |
133 | ]) | |
134 | AC_ARG_WITH([lib$1-prefix], | |
135 | [ --with-lib$1-prefix[=DIR] search for lib$1 in DIR/include and DIR/lib | |
136 | --without-lib$1-prefix don't search for lib$1 in includedir and libdir], | |
137 | [ | |
138 | if test "X$withval" = "Xno"; then | |
139 | use_additional=no | |
140 | else | |
141 | if test "X$withval" = "X"; then | |
142 | AC_LIB_WITH_FINAL_PREFIX([ | |
143 | eval additional_includedir=\"$includedir\" | |
144 | eval additional_libdir=\"$libdir\" | |
145 | ]) | |
146 | else | |
147 | additional_includedir="$withval/include" | |
148 | additional_libdir="$withval/lib" | |
149 | fi | |
150 | fi | |
151 | ]) | |
152 | dnl Search the library and its dependencies in $additional_libdir and | |
153 | dnl $LDFLAGS. Using breadth-first-seach. | |
154 | LIB[]NAME= | |
155 | LTLIB[]NAME= | |
156 | INC[]NAME= | |
157 | rpathdirs= | |
158 | ltrpathdirs= | |
159 | names_already_handled= | |
160 | names_next_round='$1 $2' | |
161 | while test -n "$names_next_round"; do | |
162 | names_this_round="$names_next_round" | |
163 | names_next_round= | |
164 | for name in $names_this_round; do | |
165 | already_handled= | |
166 | for n in $names_already_handled; do | |
167 | if test "$n" = "$name"; then | |
168 | already_handled=yes | |
169 | break | |
170 | fi | |
171 | done | |
172 | if test -z "$already_handled"; then | |
173 | names_already_handled="$names_already_handled $name" | |
174 | dnl See if it was already located by an earlier AC_LIB_LINKFLAGS | |
175 | dnl or AC_LIB_HAVE_LINKFLAGS call. | |
176 | uppername=`echo "$name" | sed -e 'y|abcdefghijklmnopqrstuvwxyz./-|ABCDEFGHIJKLMNOPQRSTUVWXYZ___|'` | |
177 | eval value=\"\$HAVE_LIB$uppername\" | |
178 | if test -n "$value"; then | |
179 | if test "$value" = yes; then | |
180 | eval value=\"\$LIB$uppername\" | |
181 | test -z "$value" || LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$value" | |
182 | eval value=\"\$LTLIB$uppername\" | |
183 | test -z "$value" || LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$value" | |
184 | else | |
185 | dnl An earlier call to AC_LIB_HAVE_LINKFLAGS has determined | |
186 | dnl that this library doesn't exist. So just drop it. | |
187 | : | |
188 | fi | |
189 | else | |
190 | dnl Search the library lib$name in $additional_libdir and $LDFLAGS | |
191 | dnl and the already constructed $LIBNAME/$LTLIBNAME. | |
192 | found_dir= | |
193 | found_la= | |
194 | found_so= | |
195 | found_a= | |
196 | if test $use_additional = yes; then | |
197 | if test -n "$shlibext" && test -f "$additional_libdir/lib$name.$shlibext"; then | |
198 | found_dir="$additional_libdir" | |
199 | found_so="$additional_libdir/lib$name.$shlibext" | |
200 | if test -f "$additional_libdir/lib$name.la"; then | |
201 | found_la="$additional_libdir/lib$name.la" | |
202 | fi | |
203 | else | |
204 | if test -f "$additional_libdir/lib$name.$libext"; then | |
205 | found_dir="$additional_libdir" | |
206 | found_a="$additional_libdir/lib$name.$libext" | |
207 | if test -f "$additional_libdir/lib$name.la"; then | |
208 | found_la="$additional_libdir/lib$name.la" | |
209 | fi | |
210 | fi | |
211 | fi | |
212 | fi | |
213 | if test "X$found_dir" = "X"; then | |
214 | for x in $LDFLAGS $LTLIB[]NAME; do | |
215 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) | |
216 | case "$x" in | |
217 | -L*) | |
218 | dir=`echo "X$x" | sed -e 's/^X-L//'` | |
219 | if test -n "$shlibext" && test -f "$dir/lib$name.$shlibext"; then | |
220 | found_dir="$dir" | |
221 | found_so="$dir/lib$name.$shlibext" | |
222 | if test -f "$dir/lib$name.la"; then | |
223 | found_la="$dir/lib$name.la" | |
224 | fi | |
225 | else | |
226 | if test -f "$dir/lib$name.$libext"; then | |
227 | found_dir="$dir" | |
228 | found_a="$dir/lib$name.$libext" | |
229 | if test -f "$dir/lib$name.la"; then | |
230 | found_la="$dir/lib$name.la" | |
231 | fi | |
232 | fi | |
233 | fi | |
234 | ;; | |
235 | esac | |
236 | if test "X$found_dir" != "X"; then | |
237 | break | |
238 | fi | |
239 | done | |
240 | fi | |
241 | if test "X$found_dir" != "X"; then | |
242 | dnl Found the library. | |
243 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$found_dir -l$name" | |
244 | if test "X$found_so" != "X"; then | |
245 | dnl Linking with a shared library. We attempt to hardcode its | |
246 | dnl directory into the executable's runpath, unless it's the | |
247 | dnl standard /usr/lib. | |
248 | if test "X$found_dir" = "X/usr/lib"; then | |
249 | dnl No hardcoding is needed. | |
250 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" | |
251 | else | |
252 | dnl Use an explicit option to hardcode DIR into the resulting | |
253 | dnl binary. | |
254 | dnl Potentially add DIR to ltrpathdirs. | |
255 | dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. | |
256 | haveit= | |
257 | for x in $ltrpathdirs; do | |
258 | if test "X$x" = "X$found_dir"; then | |
259 | haveit=yes | |
260 | break | |
261 | fi | |
262 | done | |
263 | if test -z "$haveit"; then | |
264 | ltrpathdirs="$ltrpathdirs $found_dir" | |
265 | fi | |
266 | dnl The hardcoding into $LIBNAME is system dependent. | |
267 | if test "$hardcode_direct" = yes; then | |
268 | dnl Using DIR/libNAME.so during linking hardcodes DIR into the | |
269 | dnl resulting binary. | |
270 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" | |
271 | else | |
272 | if test -n "$hardcode_libdir_flag_spec" && test "$hardcode_minus_L" = no; then | |
273 | dnl Use an explicit option to hardcode DIR into the resulting | |
274 | dnl binary. | |
275 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" | |
276 | dnl Potentially add DIR to rpathdirs. | |
277 | dnl The rpathdirs will be appended to $LIBNAME at the end. | |
278 | haveit= | |
279 | for x in $rpathdirs; do | |
280 | if test "X$x" = "X$found_dir"; then | |
281 | haveit=yes | |
282 | break | |
283 | fi | |
284 | done | |
285 | if test -z "$haveit"; then | |
286 | rpathdirs="$rpathdirs $found_dir" | |
287 | fi | |
288 | else | |
289 | dnl Rely on "-L$found_dir". | |
290 | dnl But don't add it if it's already contained in the LDFLAGS | |
291 | dnl or the already constructed $LIBNAME | |
292 | haveit= | |
293 | for x in $LDFLAGS $LIB[]NAME; do | |
294 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) | |
295 | if test "X$x" = "X-L$found_dir"; then | |
296 | haveit=yes | |
297 | break | |
298 | fi | |
299 | done | |
300 | if test -z "$haveit"; then | |
301 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir" | |
302 | fi | |
303 | if test "$hardcode_minus_L" != no; then | |
304 | dnl FIXME: Not sure whether we should use | |
305 | dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" | |
306 | dnl here. | |
307 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_so" | |
308 | else | |
309 | dnl We cannot use $hardcode_runpath_var and LD_RUN_PATH | |
310 | dnl here, because this doesn't fit in flags passed to the | |
311 | dnl compiler. So give up. No hardcoding. This affects only | |
312 | dnl very old systems. | |
313 | dnl FIXME: Not sure whether we should use | |
314 | dnl "-L$found_dir -l$name" or "-L$found_dir $found_so" | |
315 | dnl here. | |
316 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" | |
317 | fi | |
318 | fi | |
319 | fi | |
320 | fi | |
321 | else | |
322 | if test "X$found_a" != "X"; then | |
323 | dnl Linking with a static library. | |
324 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$found_a" | |
325 | else | |
326 | dnl We shouldn't come here, but anyway it's good to have a | |
327 | dnl fallback. | |
328 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$found_dir -l$name" | |
329 | fi | |
330 | fi | |
331 | dnl Assume the include files are nearby. | |
332 | additional_includedir= | |
333 | case "$found_dir" in | |
334 | */lib | */lib/) | |
335 | basedir=`echo "X$found_dir" | sed -e 's,^X,,' -e 's,/lib/*$,,'` | |
336 | additional_includedir="$basedir/include" | |
337 | ;; | |
338 | esac | |
339 | if test "X$additional_includedir" != "X"; then | |
340 | dnl Potentially add $additional_includedir to $INCNAME. | |
341 | dnl But don't add it | |
342 | dnl 1. if it's the standard /usr/include, | |
343 | dnl 2. if it's /usr/local/include and we are using GCC on Linux, | |
344 | dnl 3. if it's already present in $CPPFLAGS or the already | |
345 | dnl constructed $INCNAME, | |
346 | dnl 4. if it doesn't exist as a directory. | |
347 | if test "X$additional_includedir" != "X/usr/include"; then | |
348 | haveit= | |
349 | if test "X$additional_includedir" = "X/usr/local/include"; then | |
350 | if test -n "$GCC"; then | |
351 | case $host_os in | |
352 | linux*) haveit=yes;; | |
353 | esac | |
354 | fi | |
355 | fi | |
356 | if test -z "$haveit"; then | |
357 | for x in $CPPFLAGS $INC[]NAME; do | |
358 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) | |
359 | if test "X$x" = "X-I$additional_includedir"; then | |
360 | haveit=yes | |
361 | break | |
362 | fi | |
363 | done | |
364 | if test -z "$haveit"; then | |
365 | if test -d "$additional_includedir"; then | |
366 | dnl Really add $additional_includedir to $INCNAME. | |
367 | INC[]NAME="${INC[]NAME}${INC[]NAME:+ }-I$additional_includedir" | |
368 | fi | |
369 | fi | |
370 | fi | |
371 | fi | |
372 | fi | |
373 | dnl Look for dependencies. | |
374 | if test -n "$found_la"; then | |
375 | dnl Read the .la file. It defines the variables | |
376 | dnl dlname, library_names, old_library, dependency_libs, current, | |
377 | dnl age, revision, installed, dlopen, dlpreopen, libdir. | |
378 | save_libdir="$libdir" | |
379 | case "$found_la" in | |
380 | */* | *\\*) . "$found_la" ;; | |
381 | *) . "./$found_la" ;; | |
382 | esac | |
383 | libdir="$save_libdir" | |
384 | dnl We use only dependency_libs. | |
385 | for dep in $dependency_libs; do | |
386 | case "$dep" in | |
387 | -L*) | |
388 | additional_libdir=`echo "X$dep" | sed -e 's/^X-L//'` | |
389 | dnl Potentially add $additional_libdir to $LIBNAME and $LTLIBNAME. | |
390 | dnl But don't add it | |
391 | dnl 1. if it's the standard /usr/lib, | |
392 | dnl 2. if it's /usr/local/lib and we are using GCC on Linux, | |
393 | dnl 3. if it's already present in $LDFLAGS or the already | |
394 | dnl constructed $LIBNAME, | |
395 | dnl 4. if it doesn't exist as a directory. | |
396 | if test "X$additional_libdir" != "X/usr/lib"; then | |
397 | haveit= | |
398 | if test "X$additional_libdir" = "X/usr/local/lib"; then | |
399 | if test -n "$GCC"; then | |
400 | case $host_os in | |
401 | linux*) haveit=yes;; | |
402 | esac | |
403 | fi | |
404 | fi | |
405 | if test -z "$haveit"; then | |
406 | haveit= | |
407 | for x in $LDFLAGS $LIB[]NAME; do | |
408 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) | |
409 | if test "X$x" = "X-L$additional_libdir"; then | |
410 | haveit=yes | |
411 | break | |
412 | fi | |
413 | done | |
414 | if test -z "$haveit"; then | |
415 | if test -d "$additional_libdir"; then | |
416 | dnl Really add $additional_libdir to $LIBNAME. | |
417 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-L$additional_libdir" | |
418 | fi | |
419 | fi | |
420 | haveit= | |
421 | for x in $LDFLAGS $LTLIB[]NAME; do | |
422 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) | |
423 | if test "X$x" = "X-L$additional_libdir"; then | |
424 | haveit=yes | |
425 | break | |
426 | fi | |
427 | done | |
428 | if test -z "$haveit"; then | |
429 | if test -d "$additional_libdir"; then | |
430 | dnl Really add $additional_libdir to $LTLIBNAME. | |
431 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-L$additional_libdir" | |
432 | fi | |
433 | fi | |
434 | fi | |
435 | fi | |
436 | ;; | |
437 | -R*) | |
438 | dir=`echo "X$dep" | sed -e 's/^X-R//'` | |
439 | dnl Potentially add DIR to rpathdirs. | |
440 | dnl The rpathdirs will be appended to $LIBNAME at the end. | |
441 | haveit= | |
442 | for x in $rpathdirs; do | |
443 | if test "X$x" = "X$dir"; then | |
444 | haveit=yes | |
445 | break | |
446 | fi | |
447 | done | |
448 | if test -z "$haveit"; then | |
449 | rpathdirs="$rpathdirs $dir" | |
450 | fi | |
451 | dnl Potentially add DIR to ltrpathdirs. | |
452 | dnl The ltrpathdirs will be appended to $LTLIBNAME at the end. | |
453 | haveit= | |
454 | for x in $ltrpathdirs; do | |
455 | if test "X$x" = "X$dir"; then | |
456 | haveit=yes | |
457 | break | |
458 | fi | |
459 | done | |
460 | if test -z "$haveit"; then | |
461 | ltrpathdirs="$ltrpathdirs $dir" | |
462 | fi | |
463 | ;; | |
464 | -l*) | |
465 | dnl Handle this in the next round. | |
466 | names_next_round="$names_next_round "`echo "X$dep" | sed -e 's/^X-l//'` | |
467 | ;; | |
468 | *.la) | |
469 | dnl Handle this in the next round. Throw away the .la's | |
470 | dnl directory; it is already contained in a preceding -L | |
471 | dnl option. | |
472 | names_next_round="$names_next_round "`echo "X$dep" | sed -e 's,^X.*/,,' -e 's,^lib,,' -e 's,\.la$,,'` | |
473 | ;; | |
474 | *) | |
475 | dnl Most likely an immediate library name. | |
476 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$dep" | |
477 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }$dep" | |
478 | ;; | |
479 | esac | |
480 | done | |
481 | fi | |
482 | else | |
483 | dnl Didn't find the library; assume it is in the system directories | |
484 | dnl known to the linker and runtime loader. (All the system | |
485 | dnl directories known to the linker should also be known to the | |
486 | dnl runtime loader, otherwise the system is severely misconfigured.) | |
487 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }-l$name" | |
488 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-l$name" | |
489 | fi | |
490 | fi | |
491 | fi | |
492 | done | |
493 | done | |
494 | if test "X$rpathdirs" != "X"; then | |
495 | if test -n "$hardcode_libdir_separator"; then | |
496 | dnl Weird platform: only the last -rpath option counts, the user must | |
497 | dnl pass all path elements in one option. We can arrange that for a | |
498 | dnl single library, but not when more than one $LIBNAMEs are used. | |
499 | alldirs= | |
500 | for found_dir in $rpathdirs; do | |
501 | alldirs="${alldirs}${alldirs:+$hardcode_libdir_separator}$found_dir" | |
502 | done | |
503 | dnl Note: hardcode_libdir_flag_spec uses $libdir and $wl. | |
504 | acl_save_libdir="$libdir" | |
505 | libdir="$alldirs" | |
506 | eval flag=\"$hardcode_libdir_flag_spec\" | |
507 | libdir="$acl_save_libdir" | |
508 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" | |
509 | else | |
510 | dnl The -rpath options are cumulative. | |
511 | for found_dir in $rpathdirs; do | |
512 | acl_save_libdir="$libdir" | |
513 | libdir="$found_dir" | |
514 | eval flag=\"$hardcode_libdir_flag_spec\" | |
515 | libdir="$acl_save_libdir" | |
516 | LIB[]NAME="${LIB[]NAME}${LIB[]NAME:+ }$flag" | |
517 | done | |
518 | fi | |
519 | fi | |
520 | if test "X$ltrpathdirs" != "X"; then | |
521 | dnl When using libtool, the option that works for both libraries and | |
522 | dnl executables is -R. The -R options are cumulative. | |
523 | for found_dir in $ltrpathdirs; do | |
524 | LTLIB[]NAME="${LTLIB[]NAME}${LTLIB[]NAME:+ }-R$found_dir" | |
525 | done | |
526 | fi | |
527 | ]) | |
528 | ||
529 | dnl AC_LIB_APPENDTOVAR(VAR, CONTENTS) appends the elements of CONTENTS to VAR, | |
530 | dnl unless already present in VAR. | |
531 | dnl Works only for CPPFLAGS, not for LIB* variables because that sometimes | |
532 | dnl contains two or three consecutive elements that belong together. | |
533 | AC_DEFUN([AC_LIB_APPENDTOVAR], | |
534 | [ | |
535 | for element in [$2]; do | |
536 | haveit= | |
537 | for x in $[$1]; do | |
538 | AC_LIB_WITH_FINAL_PREFIX([eval x=\"$x\"]) | |
539 | if test "X$x" = "X$element"; then | |
540 | haveit=yes | |
541 | break | |
542 | fi | |
543 | done | |
544 | if test -z "$haveit"; then | |
545 | [$1]="${[$1]}${[$1]:+ }$element" | |
546 | fi | |
547 | done | |
548 | ]) |