1 dnl configuration script for Guile
2 dnl Process this file with autoconf to produce configure.
4 dnl Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
6 dnl This file is part of GUILE
8 dnl GUILE is free software; you can redistribute it and/or modify it
9 dnl under the terms of the GNU General Public License as published by
10 dnl the Free Software Foundation; either version 2, or (at your
11 dnl option) any later version.
13 dnl GUILE is distributed in the hope that it will be useful, but
14 dnl WITHOUT ANY WARRANTY; without even the implied warranty of
15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 dnl General Public License for more details.
18 dnl You should have received a copy of the GNU General Public License
19 dnl along with GUILE; see the file COPYING. If not, write to the
20 dnl Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 dnl Boston, MA 02111-1307, USA.
24 . $srcdir/GUILE-VERSION
25 AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
27 AM_CONFIG_HEADER(libguile/scmconfig.h)
29 #--------------------------------------------------------------------
31 # Independent Subdirectories
33 #--------------------------------------------------------------------
35 AC_CONFIG_SUBDIRS(guile-readline)
37 #--------------------------------------------------------------------
41 #--------------------------------------------------------------------
43 AC_ARG_ENABLE(debug-freelist,
44 [ --enable-debug-freelist include garbage collector freelist debugging code],
45 if test "$enable_debug_freelist" = y || test "$enable_debug_freelist" = yes; then
46 AC_DEFINE(GUILE_DEBUG_FREELIST)
49 AC_ARG_ENABLE(debug-malloc,
50 [ --enable-debug-malloc include malloc debugging code],
51 if test "$enable_debug_malloc" = y || test "$enable_debug_malloc" = yes; then
52 AC_DEFINE(GUILE_DEBUG_MALLOC)
55 AC_ARG_ENABLE(guile-debug,
56 [ --enable-guile-debug include internal debugging functions],
57 if test "$enable_guile_debug" = y || test "$enable_guile_debug" = yes; then
58 AC_DEFINE(GUILE_DEBUG)
62 [ --disable-arrays omit array and uniform array support],,
66 [ --disable-posix omit posix interfaces],,
69 AC_ARG_ENABLE(networking,
70 [ --disable-networking omit networking interfaces],,
71 enable_networking=yes)
74 [ --disable-regex omit regular expression interfaces],,
77 dnl The --disable-debug used to control these two. But now they are
78 dnl a required part of the distribution.
79 AC_DEFINE(DEBUG_EXTENSIONS)
80 AC_DEFINE(READER_EXTENSIONS)
82 dnl files which are destined for separate modules.
84 if test "$enable_arrays" = yes; then
85 LIBOBJS="$LIBOBJS ramap.o unif.o"
86 AC_DEFINE(HAVE_ARRAYS)
89 if test "$enable_posix" = yes; then
90 LIBOBJS="$LIBOBJS filesys.o posix.o"
94 if test "$enable_networking" = yes; then
95 LIBOBJS="$LIBOBJS net_db.o socket.o"
96 AC_DEFINE(HAVE_NETWORKING)
99 if test "$enable_debug_malloc" = yes; then
100 LIBOBJS="$LIBOBJS debug-malloc.o"
103 #--------------------------------------------------------------------
105 AC_LIBLTDL_CONVENIENCE
106 AC_CONFIG_SUBDIRS(libltdl)
122 AC_CHECK_SIZEOF(long)
123 AC_CACHE_CHECK([for long longs], scm_cv_long_longs,
126 scm_cv_long_longs=yes,
127 scm_cv_long_longs=no))
128 if test "$scm_cv_long_longs" = yes; then
129 AC_DEFINE(HAVE_LONG_LONGS)
136 AC_CHECK_HEADERS(io.h libc.h limits.h malloc.h memory.h string.h regex.h rxposix.h rx/rxposix.h sys/ioctl.h sys/select.h sys/time.h sys/timeb.h sys/times.h sys/types.h sys/utime.h time.h unistd.h utime.h)
137 GUILE_HEADER_LIBC_WITH_UNISTD
143 AC_CHECK_LIB(m, main)
144 AC_CHECK_FUNCS(gethostbyname)
145 if test $ac_cv_func_gethostbyname = no; then
146 AC_CHECK_LIB(nsl, gethostbyname)
148 AC_CHECK_FUNCS(connect)
149 if test $ac_cv_func_connect = no; then
150 AC_CHECK_LIB(socket, connect)
153 # Check for dynamic linking
157 [ --with-modules[=FILES] Add support for dynamic modules],
158 use_modules="$withval")
159 test -z "$use_modules" && use_modules=yes
161 if test "$use_modules" != no; then
162 AC_DEFINE(DYNAMIC_LINKING)
163 if test "$use_modules" = yes; then
164 DLPREOPEN="-dlpreopen force"
166 DLPREOPEN="-export-dynamic"
167 for module in $use_modules; do
168 DLPREOPEN="$DLPREOPEN -dlopen $module"
176 AC_CHECK_FUNCS(ctermid ftime fchown getcwd geteuid gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction siginterrupt strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid bzero strdup system usleep atexit on_exit)
178 ### Some systems don't declare some functions. On such systems, we
179 ### need to at least provide our own K&R-style declarations.
181 ### GUILE_FUNC_DECLARED(function, headerfile)
183 ### Check for a declaration of FUNCTION in HEADERFILE; if it is
184 ### not there, #define MISSING_FUNCTION_DECL.
185 AC_DEFUN(GUILE_FUNC_DECLARED, [
186 AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
187 AC_EGREP_HEADER($1, $2,
188 guile_cv_func_$1_declared=yes,
189 guile_cv_func_$1_declared=no))
190 if test [x$guile_cv_func_]$1[_declared] = xno; then
191 AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL])
195 GUILE_FUNC_DECLARED(strptime, time.h)
196 GUILE_FUNC_DECLARED(bzero, string.h)
197 GUILE_FUNC_DECLARED(sleep, unistd.h)
198 GUILE_FUNC_DECLARED(usleep, unistd.h)
200 ### On some systems usleep has no return value. If it does have one,
201 ### we'd like to return it; otherwise, we'll fake it.
202 AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
203 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
204 /usr/include/unistd.h,
205 [guile_cv_func_usleep_return_type=void],
206 [guile_cv_func_usleep_return_type=int])])
207 case "$guile_cv_func_usleep_return_type" in
209 AC_DEFINE(USLEEP_RETURNS_VOID)
213 AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
214 if test -n "$have_sys_un_h" ; then
215 AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
218 AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset)
220 AC_CHECK_FUNCS(sethostent gethostent endhostent dnl
221 setnetent getnetent endnetent dnl
222 setprotoent getprotoent endprotoent dnl
223 setservent getservent endservent dnl
224 getnetbyaddr getnetbyname dnl
225 inet_lnaof inet_makeaddr inet_netof hstrerror)
227 dnl Some systems do not declare this. Some systems do declare it, as a
228 dnl macro. With cygwin it may be in a DLL.
230 AC_MSG_CHECKING(whether netdb.h declares h_errno)
231 AC_CACHE_VAL(guile_cv_have_h_errno,
232 [AC_TRY_COMPILE([#include <netdb.h>],
234 guile_cv_have_h_errno=yes, guile_cv_have_h_errno=no)])
235 AC_MSG_RESULT($guile_cv_have_h_errno)
236 if test $guile_cv_have_h_errno = yes; then
237 AC_DEFINE(HAVE_H_ERRNO)
240 AC_MSG_CHECKING(whether localtime caches TZ)
241 AC_CACHE_VAL(guile_cv_localtime_cache,
242 [if test x$ac_cv_func_tzset = xyes; then
243 AC_TRY_RUN([#include <time.h>
247 extern char **environ;
251 for (to = from = environ; (*to = *from); from++)
252 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
255 char TZ_GMT0[] = "TZ=GMT0";
256 char TZ_PST8[] = "TZ=PST8";
259 time_t now = time ((time_t *) 0);
260 int hour_GMT0, hour_unset;
261 if (putenv (TZ_GMT0) != 0)
263 hour_GMT0 = localtime (&now)->tm_hour;
265 hour_unset = localtime (&now)->tm_hour;
266 if (putenv (TZ_PST8) != 0)
268 if (localtime (&now)->tm_hour == hour_GMT0)
271 if (localtime (&now)->tm_hour != hour_unset)
274 }], guile_cv_localtime_cache=no, guile_cv_localtime_cache=yes,
275 [# If we have tzset, assume the worst when cross-compiling.
276 guile_cv_localtime_cache=yes])
278 # If we lack tzset, report that localtime does not cache TZ,
279 # since we can't invalidate the cache if we don't have tzset.
280 guile_cv_localtime_cache=no
282 AC_MSG_RESULT($guile_cv_localtime_cache)
283 if test $guile_cv_localtime_cache = yes; then
284 AC_DEFINE(LOCALTIME_CACHE)
287 dnl Test whether system calls are restartable by default on the
288 dnl current system. If they are not, we put a loop around every system
289 dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
290 dnl change from the default behaviour. On the other hand, if signals
291 dnl are restartable then the loop is not installed and when libguile
292 dnl initialises it also resets the behaviour of each signal to cause a
293 dnl restart (in case a different runtime had a different default
294 dnl behaviour for some reason: e.g., different versions of linux seem
295 dnl to behave differently.)
297 AC_SYS_RESTARTABLE_SYSCALLS
299 if test "$enable_regex" = yes; then
300 if test "$ac_cv_header_regex_h" = yes ||
301 test "$ac_cv_header_rxposix_h" = yes ||
302 test "$ac_cv_header_rx_rxposix_h" = yes; then
303 GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
304 [AC_CHECK_LIB(rx, main)
305 GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
307 dnl The following should not be necessary, but for some reason
308 dnl autoheader misses it if we don't include it!
309 if test "$ac_cv_func_regcomp_norx" = yes ||
310 test "$ac_cv_func_regcomp_rx" = yes; then
311 AC_DEFINE(HAVE_REGCOMP)
316 AC_REPLACE_FUNCS(inet_aton putenv strerror memmove)
318 # When testing for the presence of alloca, we need to add alloca.o
319 # explicitly to LIBOBJS to make sure that it is translated to
320 # `alloca.lo' for libtool later on. This can and should be done more cleanly.
322 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
327 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
328 # LIBOBJS, which we don't need. This seems more direct.
329 AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
330 [AC_TRY_COMPILE([#include <sys/types.h>
331 #include <sys/stat.h>], [struct stat s; s.st_blocks;],
332 ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
333 if test $ac_cv_struct_st_blocks = yes; then
334 AC_DEFINE(HAVE_ST_BLOCKS)
337 AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK,
338 [AC_TRY_CPP([#include <sys/stat.h>
342 ac_cv_macro_S_ISLNK=yes,
343 ac_cv_macro_S_ISLNK=no)])
344 if test $ac_cv_macro_S_ISLNK = yes; then
345 AC_DEFINE(HAVE_S_ISLNK)
351 #--------------------------------------------------------------------
353 # Which way does the stack grow?
355 #--------------------------------------------------------------------
357 AC_TRY_RUN(aux (l) unsigned long l;
358 { int x; exit (l >= ((unsigned long)&x)); }
359 main () { int q; aux((unsigned long)&q); },
360 AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
362 AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
363 [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
364 [guile_cv_type_float_fits_long=yes],
365 [guile_cv_type_float_fits_long=no],
366 [guile_cv_type_float_fits_long=guess-yes])])
367 case $guile_cv_type_float_fits_long in
369 AC_DEFINE(SCM_SINGLES)
372 AC_DEFINE(SCM_SINGLES)
373 AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
374 AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
379 AC_MSG_CHECKING(for struct linger)
380 AC_CACHE_VAL(scm_cv_struct_linger,
382 #include <sys/types.h>
383 #include <sys/socket.h>],
384 [struct linger lgr; lgr.l_linger = 100],
385 scm_cv_struct_linger="yes",
386 scm_cv_struct_linger="no"))
387 AC_MSG_RESULT($scm_cv_struct_linger)
388 if test $scm_cv_struct_linger = yes; then
389 AC_DEFINE(HAVE_STRUCT_LINGER)
393 AC_MSG_CHECKING(for struct timespec)
394 AC_CACHE_VAL(scm_cv_struct_timespec,
397 [struct timespec t; t.tv_nsec = 100],
398 scm_cv_struct_timespec="yes",
399 scm_cv_struct_timespec="no"))
400 AC_MSG_RESULT($scm_cv_struct_timespec)
401 if test $scm_cv_struct_timespec = yes; then
402 AC_DEFINE(HAVE_STRUCT_TIMESPEC)
405 #--------------------------------------------------------------------
407 # Flags for thread support
409 #--------------------------------------------------------------------
411 ### What thread package has the user asked for?
412 AC_ARG_WITH(threads, [ --with-threads thread interface],
415 ### Turn $with_threads into either the name of a threads package, like
416 ### `qt', or `no', meaning that threads should not be supported.
417 AC_MSG_CHECKING(whether to support threads)
418 case "$with_threads" in
419 "yes" | "qt" | "coop" | "")
425 AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
428 AC_MSG_RESULT($with_threads)
430 ## Make sure the threads package we've chosen is actually supported on
431 ## the present platform.
432 case "${with_threads}" in
434 ## This configures the QuickThreads package, and sets or clears
435 ## the THREAD_PACKAGE variable if qthreads don't configure
441 ## If we're using threads, bring in some other parts of Guile which
443 if test "${THREAD_PACKAGE}" != "" ; then
444 AC_DEFINE(USE_THREADS, 1)
446 ## Include the Guile thread interface in the library...
447 LIBOBJS="$LIBOBJS threads.o"
448 EXTRA_DOT_DOC_FILES="$EXTRA_DOT_DOC_FILES threads.doc"
450 ## ... and tell it which package to talk to.
451 case "${THREAD_PACKAGE}" in
453 AC_DEFINE(USE_COOP_THREADS, 1)
456 AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
460 ## Bring in scm_internal_select, if appropriate.
461 if test $ac_cv_func_gettimeofday = yes &&
462 test $ac_cv_func_select = yes; then
463 AC_DEFINE(GUILE_ISELECT, 1)
466 ## Workaround for linuxthreads (currently disabled)
467 if test $host_os = linux-gnu; then
468 AC_DEFINE(GUILE_PTHREAD_COMPAT, 1)
469 AC_CHECK_LIB(pthread, main)
473 ## If we're using GCC, ask for aggressive warnings.
476 ## We had -Wstrict-prototypes in here for a bit, but Guile does too
477 ## much stuff with generic function pointers for that to really be
478 ## less than exasperating.
479 ## -Wpointer-arith was here too, but something changed in gcc/glibc
480 ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
481 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes" ;;
486 ## If we're creating a shared library (using libtool!), then we'll
487 ## need to generate a list of .lo files corresponding to the .o files
488 ## given in LIBOBJS. We'll call it LIBLOBJS.
489 LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
491 ## We also need to create corresponding .doc files
492 EXTRA_DOT_DOC_FILES="`echo ${LIBOBJS} | sed 's/\.o/.doc/g'`"
494 AC_SUBST(GUILE_MAJOR_VERSION)
495 AC_SUBST(GUILE_MINOR_VERSION)
496 AC_SUBST(GUILE_VERSION)
497 AC_SUBST(LIBGUILE_MAJOR_VERSION)
498 AC_SUBST(LIBGUILE_MINOR_VERSION)
499 AC_SUBST(LIBGUILE_REVISION_VERSION)
500 AC_SUBST(LIBGUILE_VERSION)
502 dnl Tell guile-config what flags guile users should link against.
503 GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
508 AC_SUBST(EXTRA_DOT_DOC_FILES)
510 # Support for "make check"
511 test_suite_dir="`(cd $srcdir ; pwd)`/test-suite"
512 AC_SUBST(test_suite_dir)
514 AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf libguile/guile-doc-snarf libguile/guile-func-name-check libguile/guile-snarf.awk libguile/versiondat.h ice-9/Makefile oop/Makefile oop/goops/Makefile qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile guile-config/Makefile doc/Makefile check-guile], [chmod +x libguile/guile-snarf libguile/guile-doc-snarf libguile/guile-func-name-check check-guile])
517 dnl comment-start: "dnl "
519 dnl comment-start-skip: "\\bdnl\\b\\s *"