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 "$enable_guile_debug" = yes; then
58 AC_DEFINE(GUILE_DEBUG)
62 [ --disable-arrays omit array and uniform array support],,
66 [ --disable-posix omit posix interfaces],,
69 AC_ARG_ENABLE(networking,
70 [ --disable-networking omit networking interfaces],,
71 enable_networking=yes)
74 [ --disable-regex omit regular expression interfaces],,
77 AC_ARG_ENABLE(htmldoc,
78 [ --enable-htmldoc build HTML documentation as well as Info],
79 [if test "$enable_htmldoc" = "" || test "$enable_htmldoc" = y || test "$enable_htmldoc" = yes; then
81 AC_PATH_PROG(TEXI2HTML, texi2html, not found)
82 if test "$TEXI2HTML" = "not found"; then
84 echo Building HTML documentation requires the \`texi2html\' program,
85 echo which appears not to be present on your machine.
87 echo \`texi2html\' is available from
88 echo 'http://www.mathematik.uni-kl.de/~obachman/Texi2html/.'
90 echo In the meantime, to build the guile-doc distribution
91 echo without HTML enabled, please rerun \`./configure\' without
92 echo the \`--enable-htmldoc\' option.
97 AM_CONDITIONAL(HTMLDOC, test x$htmldoc_enabled = xyes)
99 dnl The --disable-debug used to control these two. But now they are
100 dnl a required part of the distribution.
101 AC_DEFINE(DEBUG_EXTENSIONS)
102 AC_DEFINE(READER_EXTENSIONS)
104 dnl files which are destined for separate modules.
106 if test "$enable_arrays" = yes; then
107 LIBOBJS="$LIBOBJS ramap.o unif.o"
108 AC_DEFINE(HAVE_ARRAYS)
111 if test "$enable_posix" = yes; then
112 LIBOBJS="$LIBOBJS filesys.o posix.o"
113 AC_DEFINE(HAVE_POSIX)
116 if test "$enable_networking" = yes; then
117 LIBOBJS="$LIBOBJS net_db.o socket.o"
118 AC_DEFINE(HAVE_NETWORKING)
121 if test "$enable_debug_malloc" = yes; then
122 LIBOBJS="$LIBOBJS debug-malloc.o"
125 #--------------------------------------------------------------------
127 AC_LIBLTDL_CONVENIENCE
128 AC_CONFIG_SUBDIRS(libltdl)
144 AC_CHECK_SIZEOF(long)
145 AC_CACHE_CHECK([for long longs], scm_cv_long_longs,
148 scm_cv_long_longs=yes,
149 scm_cv_long_longs=no))
150 if test "$scm_cv_long_longs" = yes; then
151 AC_DEFINE(HAVE_LONG_LONGS)
158 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)
159 GUILE_HEADER_LIBC_WITH_UNISTD
165 AC_CHECK_LIB(m, main)
166 AC_CHECK_FUNCS(gethostbyname)
167 if test $ac_cv_func_gethostbyname = no; then
168 AC_CHECK_LIB(nsl, gethostbyname)
170 AC_CHECK_FUNCS(connect)
171 if test $ac_cv_func_connect = no; then
172 AC_CHECK_LIB(socket, connect)
175 # Check for dynamic linking
179 [ --with-modules[=FILES] Add support for dynamic modules],
180 use_modules="$withval")
181 test -z "$use_modules" && use_modules=yes
183 if test "$use_modules" != no; then
184 AC_DEFINE(DYNAMIC_LINKING)
185 if test "$use_modules" = yes; then
186 DLPREOPEN="-dlpreopen force"
188 DLPREOPEN="-export-dynamic"
189 for module in $use_modules; do
190 DLPREOPEN="$DLPREOPEN -dlopen $module"
198 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)
200 AC_CHECK_HEADERS(crypt.h sys/resource.h sys/file.h)
201 AC_CHECK_FUNCS(chroot flock getlogin cuserid getpriority setpriority getpass sethostname gethostname)
202 AC_CHECK_LIB(crypt, crypt)
204 ### Some systems don't declare some functions. On such systems, we
205 ### need to at least provide our own K&R-style declarations.
207 ### GUILE_FUNC_DECLARED(function, headerfile)
209 ### Check for a declaration of FUNCTION in HEADERFILE; if it is
210 ### not there, #define MISSING_FUNCTION_DECL.
211 AC_DEFUN(GUILE_FUNC_DECLARED, [
212 AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
213 AC_EGREP_HEADER($1, $2,
214 guile_cv_func_$1_declared=yes,
215 guile_cv_func_$1_declared=no))
216 if test [x$guile_cv_func_]$1[_declared] = xno; then
217 AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL])
221 GUILE_FUNC_DECLARED(strptime, time.h)
222 GUILE_FUNC_DECLARED(bzero, string.h)
223 GUILE_FUNC_DECLARED(sleep, unistd.h)
224 GUILE_FUNC_DECLARED(usleep, unistd.h)
226 ### On some systems usleep has no return value. If it does have one,
227 ### we'd like to return it; otherwise, we'll fake it.
228 AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
229 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
230 /usr/include/unistd.h,
231 [guile_cv_func_usleep_return_type=void],
232 [guile_cv_func_usleep_return_type=int])])
233 case "$guile_cv_func_usleep_return_type" in
235 AC_DEFINE(USLEEP_RETURNS_VOID)
239 AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
240 if test -n "$have_sys_un_h" ; then
241 AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
244 AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset)
246 AC_CHECK_FUNCS(sethostent gethostent endhostent dnl
247 setnetent getnetent endnetent dnl
248 setprotoent getprotoent endprotoent dnl
249 setservent getservent endservent dnl
250 getnetbyaddr getnetbyname dnl
251 inet_lnaof inet_makeaddr inet_netof hstrerror)
253 dnl Some systems do not declare this. Some systems do declare it, as a
254 dnl macro. With cygwin it may be in a DLL.
256 AC_MSG_CHECKING(whether netdb.h declares h_errno)
257 AC_CACHE_VAL(guile_cv_have_h_errno,
258 [AC_TRY_COMPILE([#include <netdb.h>],
260 guile_cv_have_h_errno=yes, guile_cv_have_h_errno=no)])
261 AC_MSG_RESULT($guile_cv_have_h_errno)
262 if test $guile_cv_have_h_errno = yes; then
263 AC_DEFINE(HAVE_H_ERRNO)
266 AC_MSG_CHECKING(whether localtime caches TZ)
267 AC_CACHE_VAL(guile_cv_localtime_cache,
268 [if test x$ac_cv_func_tzset = xyes; then
269 AC_TRY_RUN([#include <time.h>
273 extern char **environ;
277 for (to = from = environ; (*to = *from); from++)
278 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
281 char TZ_GMT0[] = "TZ=GMT0";
282 char TZ_PST8[] = "TZ=PST8";
285 time_t now = time ((time_t *) 0);
286 int hour_GMT0, hour_unset;
287 if (putenv (TZ_GMT0) != 0)
289 hour_GMT0 = localtime (&now)->tm_hour;
291 hour_unset = localtime (&now)->tm_hour;
292 if (putenv (TZ_PST8) != 0)
294 if (localtime (&now)->tm_hour == hour_GMT0)
297 if (localtime (&now)->tm_hour != hour_unset)
300 }], guile_cv_localtime_cache=no, guile_cv_localtime_cache=yes,
301 [# If we have tzset, assume the worst when cross-compiling.
302 guile_cv_localtime_cache=yes])
304 # If we lack tzset, report that localtime does not cache TZ,
305 # since we can't invalidate the cache if we don't have tzset.
306 guile_cv_localtime_cache=no
308 AC_MSG_RESULT($guile_cv_localtime_cache)
309 if test $guile_cv_localtime_cache = yes; then
310 AC_DEFINE(LOCALTIME_CACHE)
313 dnl Test whether system calls are restartable by default on the
314 dnl current system. If they are not, we put a loop around every system
315 dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
316 dnl change from the default behaviour. On the other hand, if signals
317 dnl are restartable then the loop is not installed and when libguile
318 dnl initialises it also resets the behaviour of each signal to cause a
319 dnl restart (in case a different runtime had a different default
320 dnl behaviour for some reason: e.g., different versions of linux seem
321 dnl to behave differently.)
323 AC_SYS_RESTARTABLE_SYSCALLS
325 if test "$enable_regex" = yes; then
326 if test "$ac_cv_header_regex_h" = yes ||
327 test "$ac_cv_header_rxposix_h" = yes ||
328 test "$ac_cv_header_rx_rxposix_h" = yes; then
329 GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
330 [AC_CHECK_LIB(rx, main)
331 GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
333 dnl The following should not be necessary, but for some reason
334 dnl autoheader misses it if we don't include it!
335 if test "$ac_cv_func_regcomp_norx" = yes ||
336 test "$ac_cv_func_regcomp_rx" = yes; then
337 AC_DEFINE(HAVE_REGCOMP)
342 AC_REPLACE_FUNCS(inet_aton putenv strerror memmove)
344 # When testing for the presence of alloca, we need to add alloca.o
345 # explicitly to LIBOBJS to make sure that it is translated to
346 # `alloca.lo' for libtool later on. This can and should be done more cleanly.
348 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
353 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
354 # LIBOBJS, which we don't need. This seems more direct.
355 AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
356 [AC_TRY_COMPILE([#include <sys/types.h>
357 #include <sys/stat.h>], [struct stat s; s.st_blocks;],
358 ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
359 if test $ac_cv_struct_st_blocks = yes; then
360 AC_DEFINE(HAVE_ST_BLOCKS)
363 AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK,
364 [AC_TRY_CPP([#include <sys/stat.h>
368 ac_cv_macro_S_ISLNK=yes,
369 ac_cv_macro_S_ISLNK=no)])
370 if test $ac_cv_macro_S_ISLNK = yes; then
371 AC_DEFINE(HAVE_S_ISLNK)
377 #--------------------------------------------------------------------
379 # Which way does the stack grow?
381 #--------------------------------------------------------------------
383 AC_TRY_RUN(aux (l) unsigned long l;
384 { int x; exit (l >= ((unsigned long)&x)); }
385 main () { int q; aux((unsigned long)&q); },
386 AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
388 AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
389 [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
390 [guile_cv_type_float_fits_long=yes],
391 [guile_cv_type_float_fits_long=no],
392 [guile_cv_type_float_fits_long=guess-yes])])
393 case $guile_cv_type_float_fits_long in
395 AC_DEFINE(SCM_SINGLES)
398 AC_DEFINE(SCM_SINGLES)
399 AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
400 AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
405 AC_MSG_CHECKING(for struct linger)
406 AC_CACHE_VAL(scm_cv_struct_linger,
408 #include <sys/types.h>
409 #include <sys/socket.h>],
410 [struct linger lgr; lgr.l_linger = 100],
411 scm_cv_struct_linger="yes",
412 scm_cv_struct_linger="no"))
413 AC_MSG_RESULT($scm_cv_struct_linger)
414 if test $scm_cv_struct_linger = yes; then
415 AC_DEFINE(HAVE_STRUCT_LINGER)
419 AC_MSG_CHECKING(for struct timespec)
420 AC_CACHE_VAL(scm_cv_struct_timespec,
423 [struct timespec t; t.tv_nsec = 100],
424 scm_cv_struct_timespec="yes",
425 scm_cv_struct_timespec="no"))
426 AC_MSG_RESULT($scm_cv_struct_timespec)
427 if test $scm_cv_struct_timespec = yes; then
428 AC_DEFINE(HAVE_STRUCT_TIMESPEC)
431 #--------------------------------------------------------------------
433 # Flags for thread support
435 #--------------------------------------------------------------------
437 ### What thread package has the user asked for?
438 AC_ARG_WITH(threads, [ --with-threads thread interface],
441 ### Turn $with_threads into either the name of a threads package, like
442 ### `qt', or `no', meaning that threads should not be supported.
443 AC_MSG_CHECKING(whether to support threads)
444 case "$with_threads" in
445 "yes" | "qt" | "coop" | "")
451 AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
454 AC_MSG_RESULT($with_threads)
456 ## Make sure the threads package we've chosen is actually supported on
457 ## the present platform.
458 case "${with_threads}" in
460 ## This configures the QuickThreads package, and sets or clears
461 ## the THREAD_PACKAGE variable if qthreads don't configure
467 ## If we're using threads, bring in some other parts of Guile which
469 if test "${THREAD_PACKAGE}" != "" ; then
470 AC_DEFINE(USE_THREADS, 1)
472 ## Include the Guile thread interface in the library...
473 LIBOBJS="$LIBOBJS threads.o"
475 ## ... and tell it which package to talk to.
476 case "${THREAD_PACKAGE}" in
478 AC_DEFINE(USE_COOP_THREADS, 1)
481 AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
485 ## Bring in scm_internal_select, if appropriate.
486 if test $ac_cv_func_gettimeofday = yes &&
487 test $ac_cv_func_select = yes; then
488 AC_DEFINE(GUILE_ISELECT, 1)
491 ## Workaround for linuxthreads (currently disabled)
492 if test $host_os = linux-gnu; then
493 AC_DEFINE(GUILE_PTHREAD_COMPAT, 1)
494 AC_CHECK_LIB(pthread, main)
498 ## If we're using GCC, ask for aggressive warnings.
501 ## We had -Wstrict-prototypes in here for a bit, but Guile does too
502 ## much stuff with generic function pointers for that to really be
503 ## less than exasperating.
504 ## -Wpointer-arith was here too, but something changed in gcc/glibc
505 ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
506 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes" ;;
511 ## If we're creating a shared library (using libtool!), then we'll
512 ## need to generate a list of .lo files corresponding to the .o files
513 ## given in LIBOBJS. We'll call it LIBLOBJS.
514 LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
516 ## We also need to create corresponding .doc and .x files
517 EXTRA_DOT_DOC_FILES="`echo ${LIBOBJS} | sed 's/\.o/.doc/g'`"
518 EXTRA_DOT_X_FILES="`echo ${LIBOBJS} | sed 's/\.o/.x/g'`"
520 AC_SUBST(GUILE_MAJOR_VERSION)
521 AC_SUBST(GUILE_MINOR_VERSION)
522 AC_SUBST(GUILE_VERSION)
523 AC_SUBST(LIBGUILE_MAJOR_VERSION)
524 AC_SUBST(LIBGUILE_MINOR_VERSION)
525 AC_SUBST(LIBGUILE_REVISION_VERSION)
526 AC_SUBST(LIBGUILE_VERSION)
528 dnl Tell guile-config what flags guile users should link against.
529 GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
534 AC_SUBST(EXTRA_DOT_DOC_FILES)
535 AC_SUBST(EXTRA_DOT_X_FILES)
537 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])
540 dnl comment-start: "dnl "
542 dnl comment-start-skip: "\\bdnl\\b\\s *"