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dfac8a13 TT |
1 | dnl aclocal.m4 generated automatically by aclocal 1.4 |
2 | ||
3 | dnl Copyright (C) 1994, 1995-8, 1999 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. | |
7 | ||
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. | |
12 | ||
13 | # FIXME: We temporarily define our own version of AC_PROG_CC. This is | |
14 | # copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS. We | |
15 | # are probably using a cross compiler, which will not be able to fully | |
16 | # link an executable. This should really be fixed in autoconf | |
17 | # itself. | |
18 | ||
19 | AC_DEFUN(LIB_AC_PROG_CC, | |
20 | [AC_BEFORE([$0], [AC_PROG_CPP])dnl | |
025fd00e TT |
21 | dnl Fool anybody using AC_PROG_CC. |
22 | AC_PROVIDE([AC_PROG_CC]) | |
dfac8a13 TT |
23 | AC_CHECK_PROG(CC, gcc, gcc) |
24 | if test -z "$CC"; then | |
25 | AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc) | |
26 | test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH]) | |
27 | fi | |
28 | ||
29 | AC_PROG_CC_GNU | |
30 | ||
31 | if test $ac_cv_prog_gcc = yes; then | |
32 | GCC=yes | |
33 | dnl Check whether -g works, even if CFLAGS is set, in case the package | |
34 | dnl plays around with CFLAGS (such as to build both debugging and | |
35 | dnl normal versions of a library), tasteless as that idea is. | |
36 | ac_test_CFLAGS="${CFLAGS+set}" | |
37 | ac_save_CFLAGS="$CFLAGS" | |
38 | CFLAGS= | |
39 | AC_PROG_CC_G | |
40 | if test "$ac_test_CFLAGS" = set; then | |
41 | CFLAGS="$ac_save_CFLAGS" | |
42 | elif test $ac_cv_prog_cc_g = yes; then | |
43 | CFLAGS="-g -O2" | |
44 | else | |
45 | CFLAGS="-O2" | |
46 | fi | |
47 | else | |
48 | GCC= | |
49 | test "${CFLAGS+set}" = set || CFLAGS="-g" | |
50 | fi | |
51 | ]) | |
52 | ||
53 | # Do all the work for Automake. This macro actually does too much -- | |
54 | # some checks are only needed if your package does certain things. | |
55 | # But this isn't really a big deal. | |
56 | ||
57 | # serial 1 | |
58 | ||
59 | dnl Usage: | |
60 | dnl AM_INIT_AUTOMAKE(package,version, [no-define]) | |
61 | ||
62 | AC_DEFUN(AM_INIT_AUTOMAKE, | |
63 | [AC_REQUIRE([AC_PROG_INSTALL]) | |
64 | PACKAGE=[$1] | |
65 | AC_SUBST(PACKAGE) | |
66 | VERSION=[$2] | |
67 | AC_SUBST(VERSION) | |
68 | dnl test to see if srcdir already configured | |
69 | if test "`cd $srcdir && pwd`" != "`pwd`" && test -f $srcdir/config.status; then | |
70 | AC_MSG_ERROR([source directory already configured; run "make distclean" there first]) | |
71 | fi | |
72 | ifelse([$3],, | |
73 | AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of package]) | |
74 | AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version number of package])) | |
75 | AC_REQUIRE([AM_SANITY_CHECK]) | |
76 | AC_REQUIRE([AC_ARG_PROGRAM]) | |
77 | dnl FIXME This is truly gross. | |
78 | missing_dir=`cd $ac_aux_dir && pwd` | |
79 | AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir) | |
80 | AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir) | |
81 | AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir) | |
82 | AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir) | |
83 | AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) | |
84 | AC_REQUIRE([AC_PROG_MAKE_SET])]) | |
85 | ||
86 | # | |
87 | # Check to make sure that the build environment is sane. | |
88 | # | |
89 | ||
90 | AC_DEFUN(AM_SANITY_CHECK, | |
91 | [AC_MSG_CHECKING([whether build environment is sane]) | |
92 | # Just in case | |
93 | sleep 1 | |
94 | echo timestamp > conftestfile | |
95 | # Do `set' in a subshell so we don't clobber the current shell's | |
96 | # arguments. Must try -L first in case configure is actually a | |
97 | # symlink; some systems play weird games with the mod time of symlinks | |
98 | # (eg FreeBSD returns the mod time of the symlink's containing | |
99 | # directory). | |
100 | if ( | |
101 | set X `ls -Lt $srcdir/configure conftestfile 2> /dev/null` | |
102 | if test "[$]*" = "X"; then | |
103 | # -L didn't work. | |
104 | set X `ls -t $srcdir/configure conftestfile` | |
105 | fi | |
106 | if test "[$]*" != "X $srcdir/configure conftestfile" \ | |
107 | && test "[$]*" != "X conftestfile $srcdir/configure"; then | |
108 | ||
109 | # If neither matched, then we have a broken ls. This can happen | |
110 | # if, for instance, CONFIG_SHELL is bash and it inherits a | |
111 | # broken ls alias from the environment. This has actually | |
112 | # happened. Such a system could not be considered "sane". | |
113 | AC_MSG_ERROR([ls -t appears to fail. Make sure there is not a broken | |
114 | alias in your environment]) | |
115 | fi | |
116 | ||
117 | test "[$]2" = conftestfile | |
118 | ) | |
119 | then | |
120 | # Ok. | |
121 | : | |
122 | else | |
123 | AC_MSG_ERROR([newly created file is older than distributed files! | |
124 | Check your system clock]) | |
125 | fi | |
126 | rm -f conftest* | |
127 | AC_MSG_RESULT(yes)]) | |
128 | ||
129 | dnl AM_MISSING_PROG(NAME, PROGRAM, DIRECTORY) | |
130 | dnl The program must properly implement --version. | |
131 | AC_DEFUN(AM_MISSING_PROG, | |
132 | [AC_MSG_CHECKING(for working $2) | |
133 | # Run test in a subshell; some versions of sh will print an error if | |
134 | # an executable is not found, even if stderr is redirected. | |
135 | # Redirect stdin to placate older versions of autoconf. Sigh. | |
136 | if ($2 --version) < /dev/null > /dev/null 2>&1; then | |
137 | $1=$2 | |
138 | AC_MSG_RESULT(found) | |
139 | else | |
140 | $1="$3/missing $2" | |
141 | AC_MSG_RESULT(missing) | |
142 | fi | |
143 | AC_SUBST($1)]) | |
144 | ||
145 | # Add --enable-maintainer-mode option to configure. | |
146 | # From Jim Meyering | |
147 | ||
148 | # serial 1 | |
149 | ||
150 | AC_DEFUN(AM_MAINTAINER_MODE, | |
151 | [AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles]) | |
152 | dnl maintainer-mode is disabled by default | |
153 | AC_ARG_ENABLE(maintainer-mode, | |
154 | [ --enable-maintainer-mode enable make rules and dependencies not useful | |
155 | (and sometimes confusing) to the casual installer], | |
156 | USE_MAINTAINER_MODE=$enableval, | |
157 | USE_MAINTAINER_MODE=no) | |
158 | AC_MSG_RESULT($USE_MAINTAINER_MODE) | |
159 | AM_CONDITIONAL(MAINTAINER_MODE, test $USE_MAINTAINER_MODE = yes) | |
160 | MAINT=$MAINTAINER_MODE_TRUE | |
161 | AC_SUBST(MAINT)dnl | |
162 | ] | |
163 | ) | |
164 | ||
165 | # Define a conditional. | |
166 | ||
167 | AC_DEFUN(AM_CONDITIONAL, | |
168 | [AC_SUBST($1_TRUE) | |
169 | AC_SUBST($1_FALSE) | |
170 | if $2; then | |
171 | $1_TRUE= | |
172 | $1_FALSE='#' | |
173 | else | |
174 | $1_TRUE='#' | |
175 | $1_FALSE= | |
176 | fi]) | |
177 | ||
178 | ||
025fd00e | 179 | # serial 35 AC_PROG_LIBTOOL |
dfac8a13 TT |
180 | AC_DEFUN(AC_PROG_LIBTOOL, |
181 | [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl | |
182 | ||
183 | # Save cache, so that ltconfig can load it | |
184 | AC_CACHE_SAVE | |
185 | ||
186 | # Actually configure libtool. ac_aux_dir is where install-sh is found. | |
187 | CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ | |
025fd00e TT |
188 | LD="$LD" NM="$NM" RANLIB="$RANLIB" LN_S="$LN_S" \ |
189 | DLLTOOL="$DLLTOOL" AS="$AS" \ | |
dfac8a13 TT |
190 | ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ |
191 | $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $host \ | |
192 | || AC_MSG_ERROR([libtool configure failed]) | |
193 | ||
194 | # Reload cache, that may have been modified by ltconfig | |
195 | AC_CACHE_LOAD | |
196 | ||
197 | # This can be used to rebuild libtool when needed | |
198 | LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh" | |
199 | ||
200 | # Always use our own libtool. | |
201 | LIBTOOL='$(SHELL) $(top_builddir)/libtool' | |
202 | AC_SUBST(LIBTOOL)dnl | |
203 | ||
204 | # Redirect the config.log output again, so that the ltconfig log is not | |
205 | # clobbered by the next message. | |
206 | exec 5>>./config.log | |
207 | ]) | |
208 | ||
209 | AC_DEFUN(AC_LIBTOOL_SETUP, | |
210 | [AC_PREREQ(2.13)dnl | |
211 | AC_REQUIRE([AC_ENABLE_SHARED])dnl | |
212 | AC_REQUIRE([AC_ENABLE_STATIC])dnl | |
213 | AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl | |
214 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | |
215 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl | |
216 | AC_REQUIRE([AC_PROG_RANLIB])dnl | |
217 | AC_REQUIRE([AC_PROG_CC])dnl | |
218 | AC_REQUIRE([AC_PROG_LD])dnl | |
219 | AC_REQUIRE([AC_PROG_NM])dnl | |
025fd00e TT |
220 | AC_REQUIRE([AC_SYS_NM_PARSE])dnl |
221 | AC_REQUIRE([AC_SYS_SYMBOL_UNDERSCORE])dnl | |
dfac8a13 TT |
222 | AC_REQUIRE([AC_PROG_LN_S])dnl |
223 | dnl | |
224 | ||
225 | # Check for any special flags to pass to ltconfig. | |
226 | libtool_flags="--cache-file=$cache_file" | |
227 | test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" | |
228 | test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" | |
229 | test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install" | |
025fd00e TT |
230 | test "$lt_dlopen" = yes && libtool_flags="$libtool_flags --enable-dlopen" |
231 | test "$silent" = yes && libtool_flags="$libtool_flags --silent" | |
dfac8a13 TT |
232 | test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" |
233 | test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" | |
234 | ||
235 | # Some flags need to be propagated to the compiler or linker for good | |
236 | # libtool support. | |
237 | case "$host" in | |
238 | *-*-irix6*) | |
239 | # Find out which ABI we are using. | |
240 | echo '[#]line __oline__ "configure"' > conftest.$ac_ext | |
241 | if AC_TRY_EVAL(ac_compile); then | |
242 | case "`/usr/bin/file conftest.o`" in | |
243 | *32-bit*) | |
244 | LD="${LD-ld} -32" | |
245 | ;; | |
246 | *N32*) | |
247 | LD="${LD-ld} -n32" | |
248 | ;; | |
249 | *64-bit*) | |
250 | LD="${LD-ld} -64" | |
251 | ;; | |
252 | esac | |
253 | fi | |
254 | rm -rf conftest* | |
255 | ;; | |
256 | ||
257 | *-*-sco3.2v5*) | |
258 | # On SCO OpenServer 5, we need -belf to get full-featured binaries. | |
259 | SAVE_CFLAGS="$CFLAGS" | |
260 | CFLAGS="$CFLAGS -belf" | |
261 | AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, | |
262 | [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])]) | |
263 | if test x"$lt_cv_cc_needs_belf" != x"yes"; then | |
264 | # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf | |
265 | CFLAGS="$SAVE_CFLAGS" | |
266 | fi | |
267 | ;; | |
268 | ||
025fd00e TT |
269 | *-*-cygwin*) |
270 | AC_SYS_LIBTOOL_CYGWIN | |
dfac8a13 | 271 | ;; |
025fd00e | 272 | |
dfac8a13 | 273 | esac |
dfac8a13 | 274 | |
025fd00e TT |
275 | # enable the --disable-libtool-lock switch |
276 | ||
277 | AC_ARG_ENABLE(libtool-lock, | |
278 | [ --disable-libtool-lock force libtool not to do file locking], | |
279 | need_locks=$enableval, | |
280 | need_locks=yes) | |
281 | ||
282 | if test x"$need_locks" = xno; then | |
283 | libtool_flags="$libtool_flags --disable-lock" | |
284 | fi | |
285 | ]) | |
e656c72f | 286 | |
025fd00e TT |
287 | # AC_LIBTOOL_DLOPEN - check for dlopen support |
288 | AC_DEFUN(AC_LIBTOOL_DLOPEN, [lt_dlopen=yes]) | |
dfac8a13 TT |
289 | |
290 | # AC_ENABLE_SHARED - implement the --enable-shared flag | |
291 | # Usage: AC_ENABLE_SHARED[(DEFAULT)] | |
292 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
293 | # `yes'. | |
025fd00e TT |
294 | AC_DEFUN(AC_ENABLE_SHARED, |
295 | [define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl | |
dfac8a13 TT |
296 | AC_ARG_ENABLE(shared, |
297 | changequote(<<, >>)dnl | |
298 | << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], | |
299 | changequote([, ])dnl | |
300 | [p=${PACKAGE-default} | |
301 | case "$enableval" in | |
302 | yes) enable_shared=yes ;; | |
303 | no) enable_shared=no ;; | |
304 | *) | |
305 | enable_shared=no | |
306 | # Look at the argument we got. We use all the common list separators. | |
307 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
308 | for pkg in $enableval; do | |
309 | if test "X$pkg" = "X$p"; then | |
310 | enable_shared=yes | |
311 | fi | |
312 | done | |
313 | IFS="$ac_save_ifs" | |
314 | ;; | |
315 | esac], | |
316 | enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl | |
317 | ]) | |
318 | ||
319 | # AC_DISABLE_SHARED - set the default shared flag to --disable-shared | |
025fd00e TT |
320 | AC_DEFUN(AC_DISABLE_SHARED, |
321 | [AC_ENABLE_SHARED(no)]) | |
dfac8a13 TT |
322 | |
323 | # AC_ENABLE_STATIC - implement the --enable-static flag | |
324 | # Usage: AC_ENABLE_STATIC[(DEFAULT)] | |
325 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
326 | # `yes'. | |
025fd00e TT |
327 | AC_DEFUN(AC_ENABLE_STATIC, |
328 | [define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl | |
dfac8a13 TT |
329 | AC_ARG_ENABLE(static, |
330 | changequote(<<, >>)dnl | |
331 | << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], | |
332 | changequote([, ])dnl | |
333 | [p=${PACKAGE-default} | |
334 | case "$enableval" in | |
335 | yes) enable_static=yes ;; | |
336 | no) enable_static=no ;; | |
337 | *) | |
338 | enable_static=no | |
339 | # Look at the argument we got. We use all the common list separators. | |
340 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
341 | for pkg in $enableval; do | |
342 | if test "X$pkg" = "X$p"; then | |
343 | enable_static=yes | |
344 | fi | |
345 | done | |
346 | IFS="$ac_save_ifs" | |
347 | ;; | |
348 | esac], | |
349 | enable_static=AC_ENABLE_STATIC_DEFAULT)dnl | |
350 | ]) | |
351 | ||
352 | # AC_DISABLE_STATIC - set the default static flag to --disable-static | |
025fd00e TT |
353 | AC_DEFUN(AC_DISABLE_STATIC, |
354 | [AC_ENABLE_STATIC(no)]) | |
dfac8a13 TT |
355 | |
356 | ||
357 | # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag | |
358 | # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)] | |
359 | # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
360 | # `yes'. | |
025fd00e TT |
361 | AC_DEFUN(AC_ENABLE_FAST_INSTALL, |
362 | [define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl | |
dfac8a13 TT |
363 | AC_ARG_ENABLE(fast-install, |
364 | changequote(<<, >>)dnl | |
365 | << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT], | |
366 | changequote([, ])dnl | |
367 | [p=${PACKAGE-default} | |
368 | case "$enableval" in | |
369 | yes) enable_fast_install=yes ;; | |
370 | no) enable_fast_install=no ;; | |
371 | *) | |
372 | enable_fast_install=no | |
373 | # Look at the argument we got. We use all the common list separators. | |
374 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
375 | for pkg in $enableval; do | |
376 | if test "X$pkg" = "X$p"; then | |
377 | enable_fast_install=yes | |
378 | fi | |
379 | done | |
380 | IFS="$ac_save_ifs" | |
381 | ;; | |
382 | esac], | |
383 | enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl | |
384 | ]) | |
385 | ||
386 | # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install | |
025fd00e TT |
387 | AC_DEFUN(AC_DISABLE_FAST_INSTALL, |
388 | [AC_ENABLE_FAST_INSTALL(no)]) | |
389 | ||
dfac8a13 TT |
390 | |
391 | # AC_PROG_LD - find the path to the GNU or non-GNU linker | |
392 | AC_DEFUN(AC_PROG_LD, | |
393 | [AC_ARG_WITH(gnu-ld, | |
394 | [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], | |
395 | test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) | |
396 | AC_REQUIRE([AC_PROG_CC])dnl | |
397 | AC_REQUIRE([AC_CANONICAL_HOST])dnl | |
398 | AC_REQUIRE([AC_CANONICAL_BUILD])dnl | |
399 | ac_prog=ld | |
400 | if test "$ac_cv_prog_gcc" = yes; then | |
401 | # Check if gcc -print-prog-name=ld gives a path. | |
402 | AC_MSG_CHECKING([for ld used by GCC]) | |
403 | ac_prog=`($CC -print-prog-name=ld) 2>&5` | |
404 | case "$ac_prog" in | |
405 | # Accept absolute paths. | |
406 | changequote(,)dnl | |
025fd00e | 407 | /* | [A-Za-z]:[\\/]*) |
dfac8a13 TT |
408 | re_direlt='/[^/][^/]*/\.\./' |
409 | changequote([,])dnl | |
410 | # Canonicalize the path of ld | |
411 | ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` | |
412 | while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do | |
413 | ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` | |
414 | done | |
415 | test -z "$LD" && LD="$ac_prog" | |
416 | ;; | |
417 | "") | |
418 | # If it fails, then pretend we aren't using GCC. | |
419 | ac_prog=ld | |
420 | ;; | |
421 | *) | |
422 | # If it is relative, then search for the first ld in PATH. | |
423 | with_gnu_ld=unknown | |
424 | ;; | |
425 | esac | |
426 | elif test "$with_gnu_ld" = yes; then | |
427 | AC_MSG_CHECKING([for GNU ld]) | |
428 | else | |
429 | AC_MSG_CHECKING([for non-GNU ld]) | |
430 | fi | |
431 | AC_CACHE_VAL(ac_cv_path_LD, | |
432 | [if test -z "$LD"; then | |
025fd00e | 433 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" |
dfac8a13 TT |
434 | for ac_dir in $PATH; do |
435 | test -z "$ac_dir" && ac_dir=. | |
025fd00e | 436 | if test -f "$ac_dir/$ac_prog"; then |
dfac8a13 TT |
437 | ac_cv_path_LD="$ac_dir/$ac_prog" |
438 | # Check to see if the program is GNU ld. I'd rather use --version, | |
439 | # but apparently some GNU ld's only accept -v. | |
440 | # Break only if it was the GNU/non-GNU ld that we prefer. | |
441 | if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then | |
442 | test "$with_gnu_ld" != no && break | |
443 | else | |
444 | test "$with_gnu_ld" != yes && break | |
445 | fi | |
446 | fi | |
447 | done | |
448 | IFS="$ac_save_ifs" | |
449 | else | |
450 | ac_cv_path_LD="$LD" # Let the user override the test with a path. | |
451 | fi]) | |
452 | LD="$ac_cv_path_LD" | |
453 | if test -n "$LD"; then | |
454 | AC_MSG_RESULT($LD) | |
455 | else | |
456 | AC_MSG_RESULT(no) | |
457 | fi | |
458 | test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) | |
459 | AC_SUBST(LD) | |
460 | AC_PROG_LD_GNU | |
461 | ]) | |
462 | ||
463 | AC_DEFUN(AC_PROG_LD_GNU, | |
464 | [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld, | |
465 | [# I'd rather use --version here, but apparently some GNU ld's only accept -v. | |
466 | if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then | |
467 | ac_cv_prog_gnu_ld=yes | |
468 | else | |
469 | ac_cv_prog_gnu_ld=no | |
470 | fi]) | |
471 | ]) | |
472 | ||
473 | # AC_PROG_NM - find the path to a BSD-compatible name lister | |
474 | AC_DEFUN(AC_PROG_NM, | |
475 | [AC_MSG_CHECKING([for BSD-compatible nm]) | |
476 | AC_CACHE_VAL(ac_cv_path_NM, | |
477 | [if test -n "$NM"; then | |
478 | # Let the user override the test. | |
479 | ac_cv_path_NM="$NM" | |
480 | else | |
025fd00e | 481 | IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" |
dfac8a13 TT |
482 | for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do |
483 | test -z "$ac_dir" && ac_dir=. | |
025fd00e | 484 | if test -f $ac_dir/nm; then |
dfac8a13 TT |
485 | # Check to see if the nm accepts a BSD-compat flag. |
486 | # Adding the `sed 1q' prevents false positives on HP-UX, which says: | |
487 | # nm: unknown option "B" ignored | |
488 | if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then | |
489 | ac_cv_path_NM="$ac_dir/nm -B" | |
490 | break | |
491 | elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then | |
492 | ac_cv_path_NM="$ac_dir/nm -p" | |
493 | break | |
494 | else | |
495 | ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but | |
496 | continue # so that we can try to find one that supports BSD flags | |
497 | fi | |
498 | fi | |
499 | done | |
500 | IFS="$ac_save_ifs" | |
501 | test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm | |
502 | fi]) | |
503 | NM="$ac_cv_path_NM" | |
504 | AC_MSG_RESULT([$NM]) | |
505 | AC_SUBST(NM) | |
506 | ]) | |
507 | ||
025fd00e TT |
508 | # AC_SYS_NM_PARSE - Check for command to grab the raw symbol name followed |
509 | # by C symbol name from nm. | |
510 | AC_DEFUN(AC_SYS_NM_PARSE, | |
dfac8a13 | 511 | [AC_REQUIRE([AC_CANONICAL_HOST])dnl |
025fd00e TT |
512 | AC_REQUIRE([AC_PROG_NM])dnl |
513 | # Check for command to grab the raw symbol name followed by C symbol from nm. | |
514 | AC_MSG_CHECKING([command to parse $NM output]) | |
515 | AC_CACHE_VAL(ac_cv_sys_global_symbol_pipe, | |
516 | [# These are sane defaults that work on at least a few old systems. | |
517 | # {They come from Ultrix. What could be older than Ultrix?!! ;)} | |
518 | ||
519 | changequote(,)dnl | |
520 | # Character class describing NM global symbol codes. | |
521 | ac_symcode='[BCDEGRST]' | |
522 | ||
523 | # Regexp to match symbols that can be accessed directly from C. | |
524 | ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)' | |
525 | ||
526 | # Transform the above into a raw symbol and a C symbol. | |
527 | ac_symxfrm='\1 \2\3 \3' | |
528 | ||
529 | # Transform an extracted symbol line into a proper C declaration | |
530 | ac_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" | |
531 | ||
532 | # Define system-specific variables. | |
533 | case "$host_os" in | |
534 | aix*) | |
535 | ac_symcode='[BCDT]' | |
dfac8a13 | 536 | ;; |
025fd00e TT |
537 | cygwin* | mingw*) |
538 | ac_symcode='[ABCDGISTW]' | |
dfac8a13 | 539 | ;; |
025fd00e TT |
540 | hpux*) |
541 | ac_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'" | |
542 | ;; | |
543 | irix*) | |
544 | ac_symcode='[BCDEGRST]' | |
545 | ;; | |
546 | solaris*) | |
547 | ac_symcode='[BDT]' | |
dfac8a13 TT |
548 | ;; |
549 | esac | |
025fd00e TT |
550 | |
551 | # If we're using GNU nm, then use its standard symbol codes. | |
552 | if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then | |
553 | ac_symcode='[ABCDGISTW]' | |
554 | fi | |
555 | changequote([,])dnl | |
556 | ||
557 | # Try without a prefix undercore, then with it. | |
558 | for ac_symprfx in "" "_"; do | |
559 | ||
560 | ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($ac_symcode\)[ ][ ]*\($ac_symprfx\)$ac_sympat$/$ac_symxfrm/p'" | |
561 | ||
562 | # Check to see that the pipe works correctly. | |
563 | ac_pipe_works=no | |
564 | rm -f conftest.$ac_ext | |
565 | cat > conftest.$ac_ext <<EOF | |
566 | #ifdef __cplusplus | |
567 | extern "C" { | |
568 | #endif | |
569 | char nm_test_var; | |
570 | void nm_test_func(){} | |
571 | #ifdef __cplusplus | |
572 | } | |
573 | #endif | |
574 | int main(){nm_test_var='a';nm_test_func;return 0;} | |
575 | EOF | |
576 | ||
577 | if AC_TRY_EVAL(ac_compile); then | |
578 | # Now try to grab the symbols. | |
579 | ac_nlist=conftest.nm | |
580 | ||
581 | if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then | |
582 | ||
583 | # Try sorting and uniquifying the output. | |
584 | if sort "$ac_nlist" | uniq > "$ac_nlist"T; then | |
585 | mv -f "$ac_nlist"T "$ac_nlist" | |
586 | else | |
587 | rm -f "$ac_nlist"T | |
588 | fi | |
589 | ||
590 | # Make sure that we snagged all the symbols we need. | |
591 | if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then | |
592 | if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then | |
593 | cat <<EOF > conftest.c | |
594 | #ifdef __cplusplus | |
595 | extern "C" { | |
596 | #endif | |
597 | ||
598 | EOF | |
599 | # Now generate the symbol file. | |
600 | eval "$ac_global_symbol_to_cdecl"' < "$ac_nlist" >> conftest.c' | |
601 | ||
602 | cat <<EOF >> conftest.c | |
603 | #if defined (__STDC__) && __STDC__ | |
604 | # define lt_ptr_t void * | |
605 | #else | |
606 | # define lt_ptr_t char * | |
607 | # define const | |
608 | #endif | |
609 | ||
610 | /* The mapping between symbol names and symbols. */ | |
611 | const struct { | |
612 | const char *name; | |
613 | lt_ptr_t address; | |
614 | } | |
615 | changequote(,)dnl | |
616 | lt_preloaded_symbols[] = | |
617 | changequote([,])dnl | |
618 | { | |
619 | EOF | |
620 | sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c | |
621 | cat <<\EOF >> conftest.c | |
622 | {0, (lt_ptr_t) 0} | |
623 | }; | |
624 | ||
625 | #ifdef __cplusplus | |
626 | } | |
627 | #endif | |
628 | EOF | |
629 | # Now try linking the two files. | |
630 | mv conftest.$ac_objext conftestm.$ac_objext | |
631 | ac_save_LIBS="$LIBS" | |
632 | ac_save_CFLAGS="$CFLAGS" | |
633 | LIBS="conftestm.$ac_objext" | |
634 | CFLAGS="$CFLAGS$no_builtin_flag" | |
635 | if AC_TRY_EVAL(ac_link) && test -s conftest; then | |
636 | ac_pipe_works=yes | |
637 | else | |
638 | echo "configure: failed program was:" >&AC_FD_CC | |
639 | cat conftest.c >&AC_FD_CC | |
640 | fi | |
641 | LIBS="$ac_save_LIBS" | |
642 | CFLAGS="$ac_save_CFLAGS" | |
643 | else | |
644 | echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC | |
645 | fi | |
646 | else | |
647 | echo "cannot find nm_test_var in $ac_nlist" >&AC_FD_CC | |
648 | fi | |
649 | else | |
650 | echo "cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC | |
651 | fi | |
652 | else | |
653 | echo "$progname: failed program was:" >&AC_FD_CC | |
654 | cat conftest.c >&AC_FD_CC | |
655 | fi | |
656 | rm -rf conftest* | |
657 | ||
658 | # Do not use the global_symbol_pipe unless it works. | |
659 | if test "$ac_pipe_works" = yes; then | |
660 | if test x"$ac_symprfx" = x"_"; then | |
661 | ac_cv_sys_symbol_underscore=yes | |
662 | else | |
663 | ac_cv_sys_symbol_underscore=no | |
664 | fi | |
665 | break | |
666 | else | |
667 | ac_cv_sys_global_symbol_pipe= | |
668 | fi | |
669 | done | |
670 | ]) | |
671 | ||
672 | ac_result=yes | |
673 | if test -z "$ac_cv_sys_global_symbol_pipe"; then | |
674 | ac_result=no | |
675 | fi | |
676 | AC_MSG_RESULT($ac_result) | |
677 | ]) | |
678 | ||
679 | # AC_SYS_LIBTOOL_CYGWIN - find tools needed on cygwin | |
680 | AC_DEFUN(AC_SYS_LIBTOOL_CYGWIN, | |
681 | [AC_CHECK_TOOL(DLLTOOL, dlltool, false) | |
682 | AC_CHECK_TOOL(AS, as, false) | |
683 | ]) | |
684 | ||
685 | # AC_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols | |
686 | # with an underscore? | |
687 | AC_DEFUN(AC_SYS_SYMBOL_UNDERSCORE, | |
688 | [AC_REQUIRE([AC_PROG_NM])dnl | |
689 | AC_REQUIRE([AC_SYS_NM_PARSE])dnl | |
690 | AC_MSG_CHECKING([for _ prefix in compiled symbols]) | |
691 | AC_CACHE_VAL(ac_cv_sys_symbol_underscore, | |
692 | [ac_cv_sys_symbol_underscore=no | |
693 | cat > conftest.$ac_ext <<EOF | |
694 | void nm_test_func(){} | |
695 | int main(){nm_test_func;return 0;} | |
696 | EOF | |
697 | if AC_TRY_EVAL(ac_compile); then | |
698 | # Now try to grab the symbols. | |
699 | ac_nlist=conftest.nm | |
700 | if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$ac_nlist"; then | |
701 | # See whether the symbols have a leading underscore. | |
702 | if egrep '^. _nm_test_func' "$ac_nlist" >/dev/null; then | |
703 | ac_cv_sys_symbol_underscore=yes | |
704 | else | |
705 | if egrep '^. nm_test_func ' "$ac_nlist" >/dev/null; then | |
706 | : | |
707 | else | |
708 | echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC | |
709 | fi | |
710 | fi | |
711 | else | |
712 | echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC | |
713 | fi | |
714 | else | |
715 | echo "configure: failed program was:" >&AC_FD_CC | |
716 | cat conftest.c >&AC_FD_CC | |
717 | fi | |
718 | rm -rf conftest* | |
719 | ]) | |
720 | AC_MSG_RESULT($ac_cv_sys_symbol_underscore) | |
721 | USE_SYMBOL_UNDERSCORE=${ac_cv_sys_symbol_underscore=no} | |
722 | AC_SUBST(USE_SYMBOL_UNDERSCORE)dnl | |
723 | ]) | |
724 | ||
725 | # AC_CHECK_LIBM - check for math library | |
726 | AC_DEFUN(AC_CHECK_LIBM, [ | |
727 | AC_CHECK_LIB(mw, _mwvalidcheckl) | |
728 | AC_CHECK_LIB(m, cos) | |
dfac8a13 TT |
729 | ]) |
730 | ||
731 | # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for | |
732 | # the libltdl convenience library, adds --enable-ltdl-convenience to | |
733 | # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor | |
734 | # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed | |
735 | # to be `${top_builddir}/libltdl'. Make sure you start DIR with | |
736 | # '${top_builddir}/' (note the single quotes!) if your package is not | |
737 | # flat, and, if you're not using automake, define top_builddir as | |
738 | # appropriate in the Makefiles. | |
025fd00e | 739 | AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [ |
dfac8a13 TT |
740 | case "$enable_ltdl_convenience" in |
741 | no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;; | |
742 | "") enable_ltdl_convenience=yes | |
743 | ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;; | |
744 | esac | |
745 | LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdlc.la | |
746 | ]) | |
747 | ||
748 | # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for | |
749 | # the libltdl installable library, and adds --enable-ltdl-install to | |
750 | # the configure arguments. Note that LIBLTDL is not AC_SUBSTed, nor | |
751 | # is AC_CONFIG_SUBDIRS called. If DIR is not provided, it is assumed | |
752 | # to be `${top_builddir}/libltdl'. Make sure you start DIR with | |
753 | # '${top_builddir}/' (note the single quotes!) if your package is not | |
754 | # flat, and, if you're not using automake, define top_builddir as | |
755 | # appropriate in the Makefiles. | |
756 | # In the future, this macro may have to be called after AC_PROG_LIBTOOL. | |
025fd00e TT |
757 | AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [ |
758 | AC_CHECK_LIB(ltdl, main, LIBLTDL="-lltdl", [ | |
759 | case "$enable_ltdl_install" in | |
760 | no) AC_MSG_WARN([libltdl not installed, but installation disabled]) ;; | |
761 | "") enable_ltdl_install=yes | |
762 | ac_configure_args="$ac_configure_args --enable-ltdl-install" ;; | |
763 | esac | |
dfac8a13 | 764 | ]) |
025fd00e | 765 | if test x"$enable_ltdl_install" != x"no"; then |
dfac8a13 TT |
766 | LIBLTDL=ifelse($#,1,$1,['${top_builddir}/libltdl'])/libltdl.la |
767 | fi | |
768 | ]) | |
769 | ||
770 | dnl old names | |
771 | AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl | |
772 | AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl | |
773 | AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl | |
774 | AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl | |
775 | AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl | |
776 | AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl | |
777 | AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl | |
025fd00e TT |
778 | AC_DEFUN(AM_SYS_NM_PARSE, [indir([AC_SYS_NM_PARSE])])dnl |
779 | AC_DEFUN(AM_SYS_SYMBOL_UNDERSCORE, [indir([AC_SYS_SYMBOL_UNDERSCORE])])dnl | |
780 | AC_DEFUN(AM_SYS_LIBTOOL_CYGWIN, [indir([AC_SYS_LIBTOOL_CYGWIN])])dnl | |
dfac8a13 | 781 |