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 AC_ARG_ENABLE(deprecated,
100 [ --disable-deprecated omit deprecated features [no]])
102 if test "$enable_deprecated" = no; then
103 AC_DEFINE(SCM_DEBUG_DEPRECATED, 1)
105 if test "$enable_deprecated" = yes || test "$enable_deprecated" = ""; then
107 elif test "$enable_deprecated" = shutup; then
110 warn_default=$enable_deprecated
112 AC_DEFINE(SCM_DEBUG_DEPRECATED, 0)
113 AC_DEFINE_UNQUOTED(SCM_WARN_DEPRECATED_DEFAULT, "$warn_default")
116 dnl The --disable-debug used to control these two. But now they are
117 dnl a required part of the distribution.
118 AC_DEFINE(DEBUG_EXTENSIONS)
119 AC_DEFINE(READER_EXTENSIONS)
121 dnl files which are destined for separate modules.
123 if test "$enable_arrays" = yes; then
124 LIBOBJS="$LIBOBJS ramap.o unif.o"
125 AC_DEFINE(HAVE_ARRAYS)
128 if test "$enable_posix" = yes; then
129 LIBOBJS="$LIBOBJS filesys.o posix.o"
130 AC_DEFINE(HAVE_POSIX)
133 if test "$enable_networking" = yes; then
134 LIBOBJS="$LIBOBJS net_db.o socket.o"
135 AC_DEFINE(HAVE_NETWORKING)
138 if test "$enable_debug_malloc" = yes; then
139 LIBOBJS="$LIBOBJS debug-malloc.o"
142 #--------------------------------------------------------------------
144 AC_LIBLTDL_CONVENIENCE
145 AC_CONFIG_SUBDIRS(libltdl)
163 AC_CHECK_SIZEOF(long)
164 AC_CACHE_CHECK([for long longs], scm_cv_long_longs,
167 scm_cv_long_longs=yes,
168 scm_cv_long_longs=no))
169 if test "$scm_cv_long_longs" = yes; then
170 AC_DEFINE(HAVE_LONG_LONGS)
177 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)
178 GUILE_HEADER_LIBC_WITH_UNISTD
184 AC_CHECK_LIB(m, main)
185 AC_CHECK_FUNCS(gethostbyname)
186 if test $ac_cv_func_gethostbyname = no; then
187 AC_CHECK_LIB(nsl, gethostbyname)
189 AC_CHECK_FUNCS(connect)
190 if test $ac_cv_func_connect = no; then
191 AC_CHECK_LIB(socket, connect)
194 # Check for dynamic linking
198 [ --with-modules[=FILES] Add support for dynamic modules],
199 use_modules="$withval")
200 test -z "$use_modules" && use_modules=yes
202 if test "$use_modules" != no; then
203 AC_DEFINE(DYNAMIC_LINKING)
204 if test "$use_modules" = yes; then
205 DLPREOPEN="-dlpreopen force"
207 DLPREOPEN="-export-dynamic"
208 for module in $use_modules; do
209 DLPREOPEN="$DLPREOPEN -dlopen $module"
217 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 strdup system usleep atexit on_exit)
219 AC_CHECK_HEADERS(crypt.h sys/resource.h sys/file.h)
220 AC_CHECK_FUNCS(chroot flock getlogin cuserid getpriority setpriority getpass sethostname gethostname)
221 AC_CHECK_LIB(crypt, crypt)
223 ### Some systems don't declare some functions. On such systems, we
224 ### need to at least provide our own K&R-style declarations.
226 ### GUILE_FUNC_DECLARED(function, headerfile)
228 ### Check for a declaration of FUNCTION in HEADERFILE; if it is
229 ### not there, #define MISSING_FUNCTION_DECL.
230 AC_DEFUN(GUILE_FUNC_DECLARED, [
231 AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
232 AC_EGREP_HEADER($1, $2,
233 guile_cv_func_$1_declared=yes,
234 guile_cv_func_$1_declared=no))
235 if test [x$guile_cv_func_]$1[_declared] = xno; then
236 AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL])
240 GUILE_FUNC_DECLARED(strptime, time.h)
241 GUILE_FUNC_DECLARED(sleep, unistd.h)
242 GUILE_FUNC_DECLARED(usleep, unistd.h)
244 ### On some systems usleep has no return value. If it does have one,
245 ### we'd like to return it; otherwise, we'll fake it.
246 AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
247 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
248 /usr/include/unistd.h,
249 [guile_cv_func_usleep_return_type=void],
250 [guile_cv_func_usleep_return_type=int])])
251 case "$guile_cv_func_usleep_return_type" in
253 AC_DEFINE(USLEEP_RETURNS_VOID)
257 AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
258 if test -n "$have_sys_un_h" ; then
259 AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
262 AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset)
264 AC_CHECK_FUNCS(sethostent gethostent endhostent dnl
265 setnetent getnetent endnetent dnl
266 setprotoent getprotoent endprotoent dnl
267 setservent getservent endservent dnl
268 getnetbyaddr getnetbyname dnl
269 inet_lnaof inet_makeaddr inet_netof hstrerror dnl
272 dnl Some systems do not declare this. Some systems do declare it, as a
273 dnl macro. With cygwin it may be in a DLL.
275 AC_MSG_CHECKING(whether netdb.h declares h_errno)
276 AC_CACHE_VAL(guile_cv_have_h_errno,
277 [AC_TRY_COMPILE([#include <netdb.h>],
279 guile_cv_have_h_errno=yes, guile_cv_have_h_errno=no)])
280 AC_MSG_RESULT($guile_cv_have_h_errno)
281 if test $guile_cv_have_h_errno = yes; then
282 AC_DEFINE(HAVE_H_ERRNO)
285 AC_MSG_CHECKING(whether netdb.h defines uint32_t)
286 AC_CACHE_VAL(guile_cv_have_uint32_t,
287 [AC_TRY_COMPILE([#include <netdb.h>],
289 guile_cv_have_uint32_t=yes, guile_cv_have_uint32_t=no)])
290 AC_MSG_RESULT($guile_cv_have_uint32_t)
291 if test $guile_cv_have_uint32_t = yes; then
292 AC_DEFINE(HAVE_UINT32_T)
295 AC_MSG_CHECKING(for working IPv6 support)
296 AC_CACHE_VAL(guile_cv_have_ipv6,
297 [AC_TRY_COMPILE([#include <netinet/in.h>
298 #include <sys/socket.h>],
299 [struct sockaddr_in6 a; a.sin6_family = AF_INET6;],
300 guile_cv_have_ipv6=yes, guile_cv_have_ipv6=no)])
301 AC_MSG_RESULT($guile_cv_have_ipv6)
302 if test $guile_cv_have_ipv6 = yes; then
306 # included in rfc2553 but not in older implementations, e.g., glibc 2.1.3.
307 AC_MSG_CHECKING(whether sockaddr_in6 has sin6_scope_id)
308 AC_CACHE_VAL(guile_cv_have_sin6_scope_id,
309 [AC_TRY_COMPILE([#include <netinet/in.h>],
310 [struct sockaddr_in6 sok; sok.sin6_scope_id = 0;],
311 guile_cv_have_sin6_scope_id=yes, guile_cv_have_sin6_scope_id=no)])
312 AC_MSG_RESULT($guile_cv_have_sin6_scope_id)
313 if test $guile_cv_have_sin6_scope_id = yes; then
314 AC_DEFINE(HAVE_SIN6_SCOPE_ID)
317 AC_MSG_CHECKING(whether localtime caches TZ)
318 AC_CACHE_VAL(guile_cv_localtime_cache,
319 [if test x$ac_cv_func_tzset = xyes; then
320 AC_TRY_RUN([#include <time.h>
324 extern char **environ;
328 for (to = from = environ; (*to = *from); from++)
329 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
332 char TZ_GMT0[] = "TZ=GMT0";
333 char TZ_PST8[] = "TZ=PST8";
336 time_t now = time ((time_t *) 0);
337 int hour_GMT0, hour_unset;
338 if (putenv (TZ_GMT0) != 0)
340 hour_GMT0 = localtime (&now)->tm_hour;
342 hour_unset = localtime (&now)->tm_hour;
343 if (putenv (TZ_PST8) != 0)
345 if (localtime (&now)->tm_hour == hour_GMT0)
348 if (localtime (&now)->tm_hour != hour_unset)
351 }], guile_cv_localtime_cache=no, guile_cv_localtime_cache=yes,
352 [# If we have tzset, assume the worst when cross-compiling.
353 guile_cv_localtime_cache=yes])
355 # If we lack tzset, report that localtime does not cache TZ,
356 # since we can't invalidate the cache if we don't have tzset.
357 guile_cv_localtime_cache=no
359 AC_MSG_RESULT($guile_cv_localtime_cache)
360 if test $guile_cv_localtime_cache = yes; then
361 AC_DEFINE(LOCALTIME_CACHE)
364 dnl Test whether system calls are restartable by default on the
365 dnl current system. If they are not, we put a loop around every system
366 dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
367 dnl change from the default behaviour. On the other hand, if signals
368 dnl are restartable then the loop is not installed and when libguile
369 dnl initialises it also resets the behaviour of each signal to cause a
370 dnl restart (in case a different runtime had a different default
371 dnl behaviour for some reason: e.g., different versions of linux seem
372 dnl to behave differently.)
374 AC_SYS_RESTARTABLE_SYSCALLS
376 if test "$enable_regex" = yes; then
377 if test "$ac_cv_header_regex_h" = yes ||
378 test "$ac_cv_header_rxposix_h" = yes ||
379 test "$ac_cv_header_rx_rxposix_h" = yes; then
380 GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
381 [AC_CHECK_LIB(rx, main)
382 GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
384 dnl The following should not be necessary, but for some reason
385 dnl autoheader misses it if we don't include it!
386 if test "$ac_cv_func_regcomp_norx" = yes ||
387 test "$ac_cv_func_regcomp_rx" = yes; then
388 AC_DEFINE(HAVE_REGCOMP)
393 AC_REPLACE_FUNCS(inet_aton putenv strerror memmove)
395 # When testing for the presence of alloca, we need to add alloca.o
396 # explicitly to LIBOBJS to make sure that it is translated to
397 # `alloca.lo' for libtool later on. This can and should be done more cleanly.
399 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
404 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
405 # LIBOBJS, which we don't need. This seems more direct.
406 AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
407 [AC_TRY_COMPILE([#include <sys/types.h>
408 #include <sys/stat.h>], [struct stat s; s.st_blocks;],
409 ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
410 if test $ac_cv_struct_st_blocks = yes; then
411 AC_DEFINE(HAVE_ST_BLOCKS)
414 AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK,
415 [AC_TRY_CPP([#include <sys/stat.h>
419 ac_cv_macro_S_ISLNK=yes,
420 ac_cv_macro_S_ISLNK=no)])
421 if test $ac_cv_macro_S_ISLNK = yes; then
422 AC_DEFINE(HAVE_S_ISLNK)
428 #--------------------------------------------------------------------
430 # Which way does the stack grow?
432 #--------------------------------------------------------------------
434 AC_TRY_RUN(aux (l) unsigned long l;
435 { int x; exit (l >= ((unsigned long)&x)); }
436 main () { int q; aux((unsigned long)&q); },
437 AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
439 AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
440 [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
441 [guile_cv_type_float_fits_long=yes],
442 [guile_cv_type_float_fits_long=no],
443 [guile_cv_type_float_fits_long=guess-yes])])
444 case $guile_cv_type_float_fits_long in
446 AC_DEFINE(SCM_SINGLES)
449 AC_DEFINE(SCM_SINGLES)
450 AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
451 AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
456 AC_MSG_CHECKING(for struct linger)
457 AC_CACHE_VAL(scm_cv_struct_linger,
459 #include <sys/types.h>
460 #include <sys/socket.h>],
461 [struct linger lgr; lgr.l_linger = 100],
462 scm_cv_struct_linger="yes",
463 scm_cv_struct_linger="no"))
464 AC_MSG_RESULT($scm_cv_struct_linger)
465 if test $scm_cv_struct_linger = yes; then
466 AC_DEFINE(HAVE_STRUCT_LINGER)
470 AC_MSG_CHECKING(for struct timespec)
471 AC_CACHE_VAL(scm_cv_struct_timespec,
474 [struct timespec t; t.tv_nsec = 100],
475 scm_cv_struct_timespec="yes",
476 scm_cv_struct_timespec="no"))
477 AC_MSG_RESULT($scm_cv_struct_timespec)
478 if test $scm_cv_struct_timespec = yes; then
479 AC_DEFINE(HAVE_STRUCT_TIMESPEC)
482 #--------------------------------------------------------------------
484 # Flags for thread support
486 #--------------------------------------------------------------------
488 ### What thread package has the user asked for?
489 AC_ARG_WITH(threads, [ --with-threads thread interface],
492 ### Turn $with_threads into either the name of a threads package, like
493 ### `qt', or `no', meaning that threads should not be supported.
494 AC_MSG_CHECKING(whether to support threads)
495 case "$with_threads" in
496 "yes" | "qt" | "coop" | "")
502 AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
505 AC_MSG_RESULT($with_threads)
507 ## Make sure the threads package we've chosen is actually supported on
508 ## the present platform.
509 case "${with_threads}" in
511 ## This configures the QuickThreads package, and sets or clears
512 ## the THREAD_PACKAGE variable if qthreads don't configure
518 ## If we're using threads, bring in some other parts of Guile which
520 if test "${THREAD_PACKAGE}" != "" ; then
521 AC_DEFINE(USE_THREADS, 1)
523 ## Include the Guile thread interface in the library...
524 LIBOBJS="$LIBOBJS threads.o"
526 ## ... and tell it which package to talk to.
527 case "${THREAD_PACKAGE}" in
529 AC_DEFINE(USE_COOP_THREADS, 1)
532 AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
536 ## Bring in scm_internal_select, if appropriate.
537 if test $ac_cv_func_gettimeofday = yes &&
538 test $ac_cv_func_select = yes; then
539 AC_DEFINE(GUILE_ISELECT, 1)
542 ## Workaround for linuxthreads (currently disabled)
543 if test $host_os = linux-gnu; then
544 AC_DEFINE(GUILE_PTHREAD_COMPAT, 1)
545 AC_CHECK_LIB(pthread, main)
548 AC_SUBST(LIBGUILEQTHREADS_MAJOR_VERSION)
549 AC_SUBST(LIBGUILEQTHREADS_MINOR_VERSION)
550 AC_SUBST(LIBGUILEQTHREADS_REVISION_VERSION)
551 AC_SUBST(LIBGUILEQTHREADS_VERSION)
553 ## If we're using GCC, ask for aggressive warnings.
556 ## We had -Wstrict-prototypes in here for a bit, but Guile does too
557 ## much stuff with generic function pointers for that to really be
558 ## less than exasperating.
559 ## -Wpointer-arith was here too, but something changed in gcc/glibc
560 ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
561 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes" ;;
566 ## If we're creating a shared library (using libtool!), then we'll
567 ## need to generate a list of .lo files corresponding to the .o files
568 ## given in LIBOBJS. We'll call it LIBLOBJS.
569 LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
571 ## We also need to create corresponding .doc and .x files
572 EXTRA_DOT_DOC_FILES="`echo ${LIBOBJS} | sed 's/\.o/.doc/g'`"
573 EXTRA_DOT_X_FILES="`echo ${LIBOBJS} | sed 's/\.o/.x/g'`"
575 AC_SUBST(GUILE_MAJOR_VERSION)
576 AC_SUBST(GUILE_MINOR_VERSION)
577 AC_SUBST(GUILE_MICRO_VERSION)
578 AC_SUBST(GUILE_VERSION)
579 AC_SUBST(LIBGUILE_MAJOR_VERSION)
580 AC_SUBST(LIBGUILE_MINOR_VERSION)
581 AC_SUBST(LIBGUILE_REVISION_VERSION)
582 AC_SUBST(LIBGUILE_VERSION)
584 dnl Tell guile-config what flags guile users should link against.
585 GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
590 AC_SUBST(EXTRA_DOT_DOC_FILES)
591 AC_SUBST(EXTRA_DOT_X_FILES)
596 libguile/guile-doc-snarf
597 libguile/guile-func-name-check
598 libguile/guile-snarf.awk
599 libguile/versiondat.h
609 guile-config/Makefile
613 [chmod +x libguile/guile-snarf libguile/guile-doc-snarf libguile/guile-func-name-check check-guile guile-tools])
616 dnl comment-start: "dnl "
618 dnl comment-start-skip: "\\bdnl\\b\\s *"