/[mcrypt]/libmcrypt/lib/libmcrypt.m4
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Contents of /libmcrypt/lib/libmcrypt.m4

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Revision 1.4 - (show annotations)
Sun Sep 2 14:49:00 2001 UTC (22 years, 7 months ago) by nmav
Branch: MAIN
Changes since 1.3: +285 -1 lines
changed to support dlpreopening

1 ## ltdl.m4 - Configure ltdl for the target system. -*-Shell-script-*-
2 ## Copyright (C) 1999-2000 Free Software Foundation, Inc.
3 ##
4 ## This program is free software; you can redistribute it and/or modify
5 ## it under the terms of the GNU General Public License as published by
6 ## the Free Software Foundation; either version 2 of the License, or
7 ## (at your option) any later version.
8 ##
9 ## This program is distributed in the hope that it will be useful, but
10 ## WITHOUT ANY WARRANTY; without even the implied warranty of
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 ## General Public License for more details.
13 ##
14 ## You should have received a copy of the GNU General Public License
15 ## along with this program; if not, write to the Free Software
16 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 ##
18 ## As a special exception to the GNU General Public License, if you
19 ## distribute this file as part of a program that contains a
20 ## configuration script generated by Autoconf, you may include it under
21 ## the same distribution terms that you use for the rest of that program.
22
23 # serial 2 AC_LIB_LTDL
24
25 # AC_LIB_LTDL
26 # -----------
27 AC_DEFUN(AC_LIB_LTDL,
28 [AC_PREREQ(2.13)dnl
29 AC_REQUIRE([AC_PROG_CC])dnl
30 AC_REQUIRE([AC_C_CONST])dnl
31
32 # Perform all the checks necessary for compilation of the ltdl objects
33 # -- including compiler checks (above) and header checks (below).
34 AC_REQUIRE([AC_HEADER_STDC])dnl
35 AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl
36
37 AC_CHECK_HEADERS(malloc.h memory.h stdlib.h stdio.h ctype.h dl.h sys/dl.h dld.h)
38 AC_CHECK_HEADERS(string.h strings.h, break)
39 AC_CHECK_FUNCS(strchr index, break)
40 AC_CHECK_FUNCS(strrchr rindex, break)
41 AC_CHECK_FUNCS(memcpy bcopy, break)
42 AC_CHECK_FUNCS(strcmp)
43
44 AC_REQUIRE([AC_LTDL_ENABLE_INSTALL])dnl
45 AC_REQUIRE([AC_LTDL_SHLIBEXT])dnl
46 AC_REQUIRE([AC_LTDL_SHLIBPATH])dnl
47 AC_REQUIRE([AC_LTDL_SYSSEARCHPATH])dnl
48 AC_REQUIRE([AC_LTDL_OBJDIR])dnl
49 AC_REQUIRE([AC_LTDL_DLPREOPEN])dnl
50 AC_REQUIRE([AC_LTDL_DLLIB])dnl
51 AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])dnl
52 AC_REQUIRE([AC_LTDL_DLSYM_USCORE])dnl
53 AC_REQUIRE([AC_LTDL_SYS_DLOPEN_DEPLIBS])dnl
54 ])# AC_LIB_LTDL
55
56 # AC_LTDL_ENABLE_INSTALL
57 # ----------------------
58 AC_DEFUN(AC_LTDL_ENABLE_INSTALL,
59 [AC_ARG_ENABLE(ltdl-install,
60 [ --enable-ltdl-install install libltdl])
61
62 AM_CONDITIONAL(INSTALL_LTDL, test x"${enable_ltdl_install-no}" != xno)
63 AM_CONDITIONAL(CONVENIENCE_LTDL, test x"${enable_ltdl_convenience-no}" != xno)
64 ])])# AC_LTDL_ENABLE_INSTALL
65
66 # AC_LTDL_SYS_DLOPEN_DEPLIBS
67 # --------------------------
68 AC_DEFUN(AC_LTDL_SYS_DLOPEN_DEPLIBS,
69 [AC_REQUIRE([AC_CANONICAL_HOST])
70 AC_CACHE_CHECK([whether deplibs are loaded by dlopen],
71 libltdl_cv_sys_dlopen_deplibs, [dnl
72 # PORTME does your system automatically load deplibs for dlopen()?
73 libltdl_cv_sys_dlopen_deplibs=unknown
74 case "$host_os" in
75 linux*)
76 libltdl_cv_sys_dlopen_deplibs=yes
77 ;;
78 netbsd*)
79 libltdl_cv_sys_dlopen_deplibs=yes
80 ;;
81 solaris*)
82 libltdl_cv_sys_dlopen_deplibs=yes
83 ;;
84 esac
85 ])
86 if test "$libltdl_cv_sys_dlopen_deplibs" != yes; then
87 AC_DEFINE(LTDL_DLOPEN_DEPLIBS, 1,
88 [Define if the OS needs help to load dependent libraries for dlopen(). ])
89 fi
90 ])# AC_LTDL_SYS_DLOPEN_DEPLIBS
91
92 # AC_LTDL_SHLIBEXT
93 # ----------------
94 AC_DEFUN(AC_LTDL_SHLIBEXT,
95 [AC_REQUIRE([_LT_AC_LTCONFIG_HACK])
96 AC_CACHE_CHECK([which extension is used for shared libraries],
97 libltdl_cv_shlibext,
98 [ac_last=
99 for ac_spec in $library_names_spec; do
100 ac_last="$ac_spec"
101 done
102 echo "$ac_last" | [sed 's/\[.*\]//;s/^[^.]*//;s/\$.*$//;s/\.$//'] > conftest
103 libltdl_cv_shlibext=`cat conftest`
104 rm -f conftest
105 ])
106 if test -n "$libltdl_cv_shlibext"; then
107 AC_DEFINE_UNQUOTED(LTDL_SHLIB_EXT, "$libltdl_cv_shlibext",
108 [Define to the extension used for shared libraries, say, ".so". ])
109 fi
110 ])# AC_LTDL_SHLIBEXT
111
112 # AC_LTDL_SHLIBPATH
113 # -----------------
114 AC_DEFUN(AC_LTDL_SHLIBPATH,
115 [AC_REQUIRE([_LT_AC_LTCONFIG_HACK])
116 AC_CACHE_CHECK([which variable specifies run-time library path],
117 libltdl_cv_shlibpath_var, [libltdl_cv_shlibpath_var="$shlibpath_var"])
118 if test -n "$libltdl_cv_shlibpath_var"; then
119 AC_DEFINE_UNQUOTED(LTDL_SHLIBPATH_VAR, "$libltdl_cv_shlibpath_var",
120 [Define to the name of the environment variable that determines the dynamic library search path. ])
121 fi
122 ])# AC_LTDL_SHLIBPATH
123
124 # AC_LTDL_SYSSEARCHPATH
125 # ---------------------
126 AC_DEFUN(AC_LTDL_SYSSEARCHPATH,
127 [AC_REQUIRE([_LT_AC_LTCONFIG_HACK])
128 AC_CACHE_CHECK([for the default library search path],
129 libltdl_cv_sys_search_path, [libltdl_cv_sys_search_path="$sys_lib_dlsearch_path_spec"])
130 if test -n "$libltdl_cv_sys_search_path"; then
131 case "$host" in
132 *-*-mingw*) pathsep=";" ;;
133 *) pathsep=":" ;;
134 esac
135 sys_search_path=
136 for dir in $libltdl_cv_sys_search_path; do
137 if test -z "$sys_search_path"; then
138 sys_search_path="$dir"
139 else
140 sys_search_path="$sys_search_path$pathsep$dir"
141 fi
142 done
143 AC_DEFINE_UNQUOTED(LTDL_SYSSEARCHPATH, "$sys_search_path",
144 [Define to the system default library search path. ])
145 fi
146 ])# AC_LTDL_SYSSEARCHPATH
147
148 # AC_LTDL_OBJDIR
149 # --------------
150 AC_DEFUN(AC_LTDL_OBJDIR,
151 [AC_CACHE_CHECK([for objdir],
152 libltdl_cv_objdir, [libltdl_cv_objdir="$objdir"
153 if test -n "$objdir"; then
154 :
155 else
156 rm -f .libs 2>/dev/null
157 mkdir .libs 2>/dev/null
158 if test -d .libs; then
159 libltdl_cv_objdir=.libs
160 else
161 # MS-DOS does not allow filenames that begin with a dot.
162 libltdl_cv_objdir=_libs
163 fi
164 rmdir .libs 2>/dev/null
165 fi])
166 AC_DEFINE_UNQUOTED(LTDL_OBJDIR, "$libltdl_cv_objdir/",
167 [Define to the sub-directory in which libtool stores uninstalled libraries. ])
168 ])# AC_LTDL_OBJDIR
169
170 # AC_LTDL_DLPREOPEN
171 # -----------------
172 AC_DEFUN(AC_LTDL_DLPREOPEN,
173 [AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])dnl
174 AC_CACHE_CHECK([whether libtool supports -dlopen/-dlpreopen],
175 libltdl_cv_preloaded_symbols, [dnl
176 if test -n "$global_symbol_pipe"; then
177 libltdl_cv_preloaded_symbols=yes
178 else
179 libltdl_cv_preloaded_symbols=no
180 fi
181 ])
182 if test x"$libltdl_cv_preloaded_symbols" = x"yes"; then
183 AC_DEFINE(HAVE_PRELOADED_SYMBOLS, 1,
184 [Define if libtool can extract symbol lists from object files. ])
185 fi
186 ])# AC_LTDL_DLPREOPEN
187
188 # AC_LTDL_DLLIB
189 # -------------
190 AC_DEFUN(AC_LTDL_DLLIB,
191 [LIBADD_DL=
192 AC_CHECK_LIB(dl, dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
193 [Define if you have the libdl library or equivalent. ]) LIBADD_DL="-ldl"],
194 [AC_CHECK_FUNC(dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
195 [Define if you have the libdl library or equivalent.])],
196 [AC_CHECK_LIB(svld, dlopen, [AC_DEFINE(HAVE_LIBDL, 1,
197 [Define if you have the libdl library or equivalent.]) LIBADD_DL="-lsvld"]
198 )])])
199 AC_CHECK_FUNC(shl_load, [AC_DEFINE(HAVE_SHL_LOAD, 1,
200 [Define if you have the shl_load function.])],
201 [AC_CHECK_LIB(dld, shl_load,
202 [AC_DEFINE(HAVE_SHL_LOAD, 1,
203 [Define if you have the shl_load function.])
204 LIBADD_DL="$LIBADD_DL -ldld"])
205 ])
206 AC_CHECK_LIB(dld, dld_link, [AC_DEFINE(HAVE_DLD, 1,
207 [Define if you have the GNU dld library.])dnl
208 test "x$ac_cv_lib_dld_shl_load" = yes || LIBADD_DL="$LIBADD_DL -ldld"])
209 AC_SUBST(LIBADD_DL)
210
211 if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then
212 LIBS_SAVE="$LIBS"
213 LIBS="$LIBS $LIBADD_DL"
214 AC_CHECK_FUNCS(dlerror)
215 LIBS="$LIBS_SAVE"
216 fi
217 ])# AC_LTDL_DLLIB
218
219 # AC_LTDL_SYMBOL_USCORE
220 # ---------------------
221 AC_DEFUN(AC_LTDL_SYMBOL_USCORE,
222 [dnl does the compiler prefix global symbols with an underscore?
223 AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])dnl
224 AC_MSG_CHECKING([for _ prefix in compiled symbols])
225 AC_CACHE_VAL(ac_cv_sys_symbol_underscore,
226 [ac_cv_sys_symbol_underscore=no
227 cat > conftest.$ac_ext <<EOF
228 void nm_test_func(){}
229 int main(){nm_test_func;return 0;}
230 EOF
231 if AC_TRY_EVAL(ac_compile); then
232 # Now try to grab the symbols.
233 ac_nlist=conftest.nm
234 if AC_TRY_EVAL(NM conftest.$ac_objext \| $global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then
235 # See whether the symbols have a leading underscore.
236 if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then
237 ac_cv_sys_symbol_underscore=yes
238 else
239 if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then
240 :
241 else
242 echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC
243 fi
244 fi
245 else
246 echo "configure: cannot run $global_symbol_pipe" >&AC_FD_CC
247 fi
248 else
249 echo "configure: failed program was:" >&AC_FD_CC
250 cat conftest.c >&AC_FD_CC
251 fi
252 rm -rf conftest*
253 ])
254 AC_MSG_RESULT($ac_cv_sys_symbol_underscore)
255 ])# AC_LTDL_SYMBOL_USCORE
256
257
258 # AC_LTDL_DLSYM_USCORE
259 # --------------------
260 AC_DEFUN(AC_LTDL_DLSYM_USCORE,
261 [AC_REQUIRE([AC_LTDL_SYMBOL_USCORE])dnl
262 if test x"$ac_cv_sys_symbol_underscore" = xyes; then
263 if test x"$ac_cv_func_dlopen" = xyes ||
264 test x"$ac_cv_lib_dl_dlopen" = xyes ; then
265 AC_CACHE_CHECK([whether we have to add an underscore for dlsym],
266 libltdl_cv_need_uscore, [dnl
267 libltdl_cv_need_uscore=unknown
268 save_LIBS="$LIBS"
269 LIBS="$LIBS $LIBADD_DL"
270 _LT_AC_TRY_DLOPEN_SELF(
271 libltdl_cv_need_uscore=no, libltdl_cv_need_uscore=yes,
272 [], libltdl_cv_need_uscore=cross)
273 LIBS="$save_LIBS"
274 ])
275 fi
276 fi
277
278 if test x"$libltdl_cv_need_uscore" = xyes; then
279 AC_DEFINE(NEED_USCORE, 1,
280 [Define if dlsym() requires a leading underscode in symbol names. ])
281 fi
282 ])# AC_LTDL_DLSYM_USCORE
283
284 dnl Autoconf macros for libmcrypt
285 dnl $id$
286
287 # This script detects libmcrypt version and defines
288 # LIBMCRYPT_CFLAGS, LIBMCRYPT_LIBS
289 # and LIBMCRYPT24 or LIBMCRYPT22 depending on libmcrypt version
290 # found.
291
292 # Modified for LIBMCRYPT -- nmav
293 # Configure paths for LIBGCRYPT
294 # Shamelessly stolen from the one of XDELTA by Owen Taylor
295 # Werner Koch 99-12-09
296
297 dnl AM_PATH_LIBMCRYPT([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
298 dnl Test for libmcrypt, and define LIBMCRYPT_CFLAGS and LIBMCRYPT_LIBS
299 dnl
300 AC_DEFUN(AM_PATH_LIBMCRYPT,
301 [dnl
302 dnl Get the cflags and libraries from the libmcrypt-config script
303 dnl
304 AC_LTDL_DLLIB
305 AC_ARG_WITH(libmcrypt-prefix,
306 [ --with-libmcrypt-prefix=PFX Prefix where libmcrypt is installed (optional)],
307 libmcrypt_config_prefix="$withval", libmcrypt_config_prefix="")
308
309 if test x$libmcrypt_config_prefix != x ; then
310 libmcrypt_config_args="$libmcrypt_config_args --prefix=$libmcrypt_config_prefix"
311 if test x${LIBMCRYPT_CONFIG+set} != xset ; then
312 LIBMCRYPT_CONFIG=$libmcrypt_config_prefix/bin/libmcrypt-config
313 fi
314 fi
315
316 AC_PATH_PROG(LIBMCRYPT_CONFIG, libmcrypt-config, no)
317 min_libmcrypt_version=ifelse([$1], ,2.4.0,$1)
318 AC_MSG_CHECKING(for libmcrypt - version >= $min_libmcrypt_version)
319 no_libmcrypt=""
320 if test "$LIBMCRYPT_CONFIG" = "no" ; then
321 dnl libmcrypt-config was not found (pre 2.4.11 versions)
322 dnl Try to detect libmcrypt version
323 AC_TRY_RUN([
324 #include <stdio.h>
325 #include <stdlib.h>
326 #include <string.h>
327 #include <mcrypt.h>
328
329 int
330 main ()
331 {
332 #if MCRYPT_API_VERSION <= 19991015
333 /* version 2.2 */
334 return 0;
335 #else
336 /* version 2.4 */
337 return 1;
338 #endif /* 19991015 */
339 }
340 ], libmcrypt_config_version="2.2.0"
341 if test x$libmcrypt_config_prefix != x ; then
342 TTLIBS="-L${libmcrypt_config_prefix}/libs"
343 TTINCLUDE="-I${libmcrypt_config_prefix}/include"
344 fi
345 LIBMCRYPT_CFLAGS="${TTINCLUDE}"
346 LIBMCRYPT_LIBS="${TTLIBS} -lmcrypt"
347 AC_DEFINE(LIBMCRYPT22)
348
349 , libmcrypt_config_version="2.4.0"
350 if test x$libmcrypt_config_prefix != x ; then
351 TTLIBS="-L${libmcrypt_config_prefix}/libs"
352 TTINCLUDE="-I${libmcrypt_config_prefix}/include"
353 fi
354 LIBMCRYPT_CFLAGS="${TTINCLUDE}"
355 LIBMCRYPT_LIBS="${TTLIBS} -lmcrypt -lltdl ${LIBADD_DL}"
356 AC_DEFINE(LIBMCRYPT24))
357 else
358 dnl libmcrypt-config was found
359 LIBMCRYPT_CFLAGS=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --cflags`
360 LIBMCRYPT_LIBS=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --libs`
361 libmcrypt_config_version=`$LIBMCRYPT_CONFIG $libmcrypt_config_args --version`
362 AC_DEFINE(LIBMCRYPT24)
363 fi
364
365 ac_save_CFLAGS="$CFLAGS"
366 ac_save_LIBS="$LIBS"
367 CFLAGS="$CFLAGS $LIBMCRYPT_CFLAGS"
368 LIBS="$LIBS $LIBMCRYPT_LIBS"
369
370 dnl
371 dnl Now check if the installed libmcrypt is sufficiently new. Also sanity
372 dnl checks the results of libmcrypt-config to some extent
373 dnl
374 rm -f conf.libmcrypttest
375 AC_TRY_RUN([
376 #include <stdio.h>
377 #include <stdlib.h>
378 #include <string.h>
379 #include <mcrypt.h>
380
381 #define TWO "2.2"
382
383 int
384 main ()
385 {
386 #if MCRYPT_API_VERSION <= 20010201
387
388 #if MCRYPT_API_VERSION <= 19991015
389 /* version 2.2 */
390 int x = mcrypt_get_key_size(MCRYPT_TWOFISH_128);
391 system ("touch conf.libmcrypttest");
392
393 if( strncmp( TWO, "$min_libmcrypt_version", strlen(TWO))) {
394 printf("\n*** Requested libmcrypt %s, but LIBMCRYPT (%s)\n",
395 "$min_libmcrypt_version", TWO );
396 printf("*** was found!\n");
397 return 1;
398 }
399 return 0;
400 #else
401 /* version 2.4 before 11 */
402 MCRYPT td = mcrypt_module_open("twofish", NULL, "cbc", NULL);
403 system ("touch conf.libmcrypttest");
404 mcrypt_module_close(td);
405
406 return 0;
407 #endif /* 19991015 */
408
409 #else
410
411 system ("touch conf.libmcrypttest");
412
413 if( strcmp( mcrypt_check_version(NULL), "$libmcrypt_config_version" ) )
414 {
415 printf("\n*** 'libmcrypt-config --version' returned %s, but LIBMCRYPT (%s)\n",
416 "$libmcrypt_config_version", mcrypt_check_version(NULL) );
417 printf("*** was found! If libmcrypt-config was correct, then it is best\n");
418 printf("*** to remove the old version of LIBMCRYPT. You may also be able to fix the error\n");
419 printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
420 printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
421 printf("*** required on your system.\n");
422 printf("*** If libmcrypt-config was wrong, set the environment variable LIBMCRYPT_CONFIG\n");
423 printf("*** to point to the correct copy of libmcrypt-config, and remove the file config.cache\n");
424 printf("*** before re-running configure\n");
425 }
426 else if ( strcmp(mcrypt_check_version(NULL), LIBMCRYPT_VERSION ) )
427 {
428 printf("\n*** LIBMCRYPT header file (version %s) does not match\n", LIBMCRYPT_VERSION);
429 printf("*** library (version %s)\n", mcrypt_check_version(NULL) );
430 }
431 else
432 {
433 if ( mcrypt_check_version( "$min_libmcrypt_version" ) )
434 {
435 return 0;
436 }
437 else
438 {
439 printf("no\n*** An old version of LIBMCRYPT (%s) was found.\n",
440 mcrypt_check_version(NULL) );
441 printf("*** You need a version of LIBMCRYPT newer than %s. The latest version of\n",
442 "$min_libmcrypt_version" );
443 printf("*** LIBMCRYPT is always available from ftp://mcrypt.hellug.gr/pub/mcrypt.\n");
444 printf("*** \n");
445 printf("*** If you have already installed a sufficiently new version, this error\n");
446 printf("*** probably means that the wrong copy of the libmcrypt-config shell script is\n");
447 printf("*** being found. The easiest way to fix this is to remove the old version\n");
448 printf("*** of LIBMCRYPT, but you can also set the LIBMCRYPT_CONFIG environment to point to the\n");
449 printf("*** correct copy of libmcrypt-config. (In this case, you will have to\n");
450 printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
451 printf("*** so that the correct libraries are found at run-time))\n");
452 }
453 }
454 return 1;
455
456 #endif /* 20010201 */
457
458 }
459 ],, no_libmcrypt=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
460 CFLAGS="$ac_save_CFLAGS"
461 LIBS="$ac_save_LIBS"
462
463
464 if test "x$no_libmcrypt" = x ; then
465 AC_MSG_RESULT(yes)
466 ifelse([$2], , :, [$2])
467 else
468 if test -f conf.libmcrypttest ; then
469 :
470 else
471 AC_MSG_RESULT(no)
472 fi
473
474 if test -f conf.libmcrypttest ; then
475 :
476 else
477 echo "*** Could not run libmcrypt test program, checking why..."
478 CFLAGS="$CFLAGS $LIBMCRYPT_CFLAGS"
479 LIBS="$LIBS $LIBMCRYPT_LIBS"
480 AC_TRY_LINK([
481 #include <stdio.h>
482 #include <stdlib.h>
483 #include <string.h>
484 #include <mcrypt.h>
485 ], [
486 #if MCRYPT_API_VERSION <= 20010201
487
488 #if MCRYPT_API_VERSION <= 19991015
489 /* version 2.2 */
490 int x = mcrypt_get_key_size(MCRYPT_TWOFISH_128);
491 return 0;
492 #else
493 /* version 2.4 before 11 */
494 MCRYPT td = mcrypt_module_open("twofish", NULL, "cbc", NULL);
495 mcrypt_module_close(td);
496 return 0;
497 #endif /* 19991015 */
498 #else
499
500 return !!mcrypt_check_version(NULL);
501
502 #endif /* 20010201 */
503
504 ],
505 [ echo "*** The test program compiled, but did not run. This usually means"
506 echo "*** that the run-time linker is not finding LIBMCRYPT or finding the wrong"
507 echo "*** version of LIBMCRYPT. If it is not finding LIBMCRYPT, you'll need to set your"
508 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
509 echo "*** to the installed location Also, make sure you have run ldconfig if that"
510 echo "*** is required on your system"
511 echo "***"
512 echo "*** If you have an old version installed, it is best to remove it, although"
513 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"
514 echo "***" ],
515 [ echo "*** The test program failed to compile or link. See the file config.log for the"
516 echo "*** exact error that occured. This usually means LIBMCRYPT was incorrectly installed"
517 echo "*** or that you have moved LIBMCRYPT since it was installed. In the latter case, you"
518 echo "*** may want to edit the libmcrypt-config script: $LIBMCRYPT_CONFIG" ])
519 CFLAGS="$ac_save_CFLAGS"
520 LIBS="$ac_save_LIBS"
521 fi
522
523 LIBMCRYPT_CFLAGS=""
524 LIBMCRYPT_LIBS=""
525 ifelse([$3], , :, [$3])
526 fi
527 AC_SUBST(LIBMCRYPT_CFLAGS)
528 AC_SUBST(LIBMCRYPT_LIBS)
529 ])
530
531 dnl *-*wedit:notab*-* Please keep this as the last line.

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