1 dnl configuration script for Guile
2 dnl Process this file with autoconf to produce configure.
4 dnl Copyright (C) 1998, 1999, 2000, 2001 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.
26 AC_CONFIG_SRCDIR([Makefile.in])
27 . $srcdir/GUILE-VERSION
28 AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
30 AM_CONFIG_HEADER(libguile/scmconfig.h)
32 #--------------------------------------------------------------------
34 # Independent Subdirectories
36 #--------------------------------------------------------------------
38 AC_CONFIG_SUBDIRS(guile-readline)
40 #--------------------------------------------------------------------
44 #--------------------------------------------------------------------
46 AC_ARG_ENABLE(error-on-warning,
47 [ --enable-error-on-warning treat compile warnings as errors],
48 [case "${enableval}" in
49 yes | y) CFLAGS="${CFLAGS} -Werror"; enable_compile_warnings=no ;;
51 *) AC_MSG_ERROR(bad value ${enableval} for --enable-error-on-warning) ;;
54 AC_ARG_ENABLE(debug-freelist,
55 [ --enable-debug-freelist include garbage collector freelist debugging code],
56 if test "$enable_debug_freelist" = y || test "$enable_debug_freelist" = yes; then
57 AC_DEFINE(GUILE_DEBUG_FREELIST)
60 AC_ARG_ENABLE(debug-malloc,
61 [ --enable-debug-malloc include malloc debugging code],
62 if test "$enable_debug_malloc" = y || test "$enable_debug_malloc" = yes; then
63 AC_DEFINE(GUILE_DEBUG_MALLOC)
66 AC_ARG_ENABLE(guile-debug,
67 [ --enable-guile-debug include internal debugging functions],
68 if test "$enable_guile_debug" = y || test "$enable_guile_debug" = yes; then
69 AC_DEFINE(GUILE_DEBUG)
73 [ --disable-arrays omit array and uniform array support],,
77 [ --disable-posix omit posix interfaces],,
80 AC_ARG_ENABLE(networking,
81 [ --disable-networking omit networking interfaces],,
82 enable_networking=yes)
85 [ --disable-regex omit regular expression interfaces],,
88 AC_ARG_ENABLE(htmldoc,
89 [ --enable-htmldoc build HTML documentation as well as Info],
90 [if test "$enable_htmldoc" = "" || test "$enable_htmldoc" = y || test "$enable_htmldoc" = yes; then
92 AC_PATH_PROG(TEXI2HTML, texi2html, not found)
93 if test "$TEXI2HTML" = "not found"; then
95 echo Building HTML documentation requires the \`texi2html\' program,
96 echo which appears not to be present on your machine.
98 echo \`texi2html\' is available from
99 echo 'http://www.mathematik.uni-kl.de/~obachman/Texi2html/.'
101 echo In the meantime, to build the guile-doc distribution
102 echo without HTML enabled, please rerun \`./configure\' without
103 echo the \`--enable-htmldoc\' option.
108 AM_CONDITIONAL(HTMLDOC, test x$htmldoc_enabled = xyes)
110 AC_ARG_ENABLE(deprecated,
111 [ --disable-deprecated omit deprecated features [no]])
113 if test "$enable_deprecated" = no; then
114 AC_DEFINE(SCM_DEBUG_DEPRECATED, 1)
116 if test "$enable_deprecated" = yes || test "$enable_deprecated" = ""; then
118 elif test "$enable_deprecated" = shutup; then
121 warn_default=$enable_deprecated
123 AC_DEFINE(SCM_DEBUG_DEPRECATED, 0)
124 AC_DEFINE_UNQUOTED(SCM_WARN_DEPRECATED_DEFAULT, "$warn_default")
127 dnl The --disable-debug used to control these two. But now they are
128 dnl a required part of the distribution.
129 AC_DEFINE(DEBUG_EXTENSIONS)
130 AC_DEFINE(READER_EXTENSIONS)
132 dnl files which are destined for separate modules.
134 if test "$enable_arrays" = yes; then
135 LIBOBJS="$LIBOBJS ramap.o unif.o"
136 AC_DEFINE(HAVE_ARRAYS)
139 if test "$enable_posix" = yes; then
140 LIBOBJS="$LIBOBJS filesys.o posix.o"
141 AC_DEFINE(HAVE_POSIX)
144 if test "$enable_networking" = yes; then
145 LIBOBJS="$LIBOBJS net_db.o socket.o"
146 AC_DEFINE(HAVE_NETWORKING)
149 if test "$enable_debug_malloc" = yes; then
150 LIBOBJS="$LIBOBJS debug-malloc.o"
153 #--------------------------------------------------------------------
155 AC_LIBLTDL_CONVENIENCE
156 AC_CONFIG_SUBDIRS(libltdl)
174 AC_CHECK_SIZEOF(long)
176 dnl Check for integral types that can represent the range of pointers.
177 dnl If these types don't exist on this platform, they are replaced by
178 dnl "unsigned long" and "long", respectively.
180 AC_CHECK_HEADERS(stdint.h)
181 AC_CHECK_HEADERS(inttypes.h)
182 AC_CHECK_TYPES([uintptr_t, ptrdiff_t])
184 AC_CACHE_CHECK([for long longs], scm_cv_long_longs,
187 scm_cv_long_longs=yes,
188 scm_cv_long_longs=no))
189 if test "$scm_cv_long_longs" = yes; then
190 AC_DEFINE(HAVE_LONG_LONGS)
191 AC_CHECK_SIZEOF(long long)
194 AC_CHECK_SIZEOF(void *)
196 if test "$ac_cv_sizeof_long" -ne "$ac_cv_sizeof_void_p"; then
197 AC_MSG_ERROR(sizes of long and void* are not identical)
204 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/stdtypes.h sys/types.h sys/utime.h time.h unistd.h utime.h pwd.h winsock2.h grp.h sys/utsname.h)
205 GUILE_HEADER_LIBC_WITH_UNISTD
211 AC_CHECK_LIB(m, main)
212 AC_CHECK_FUNCS(gethostbyname)
213 if test $ac_cv_func_gethostbyname = no; then
214 AC_CHECK_LIB(nsl, gethostbyname)
216 AC_CHECK_FUNCS(connect)
217 if test $ac_cv_func_connect = no; then
218 AC_CHECK_LIB(socket, connect)
221 # Check for dynamic linking
225 [ --with-modules[=FILES] Add support for dynamic modules],
226 use_modules="$withval")
227 test -z "$use_modules" && use_modules=yes
229 if test "$use_modules" != no; then
230 AC_DEFINE(DYNAMIC_LINKING)
231 if test "$use_modules" = yes; then
232 DLPREOPEN="-dlpreopen force"
234 DLPREOPEN="-export-dynamic"
235 for module in $use_modules; do
236 DLPREOPEN="$DLPREOPEN -dlopen $module"
244 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 chown link fcntl ttyname getpwent getgrent kill getppid getpgrp fork setitimer getitimer)
246 AC_CHECK_HEADERS(crypt.h sys/resource.h sys/file.h)
247 AC_CHECK_FUNCS(chroot flock getlogin cuserid getpriority setpriority getpass sethostname gethostname)
248 AC_CHECK_LIB(crypt, crypt)
250 ### Some systems don't declare some functions. On such systems, we
251 ### need to at least provide our own K&R-style declarations.
253 ### GUILE_FUNC_DECLARED(function, headerfile)
255 ### Check for a declaration of FUNCTION in HEADERFILE; if it is
256 ### not there, #define MISSING_FUNCTION_DECL.
257 AC_DEFUN(GUILE_FUNC_DECLARED, [
258 AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
259 AC_EGREP_HEADER($1, $2,
260 guile_cv_func_$1_declared=yes,
261 guile_cv_func_$1_declared=no))
262 if test [x$guile_cv_func_]$1[_declared] = xno; then
263 AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL])
267 GUILE_FUNC_DECLARED(strptime, time.h)
268 GUILE_FUNC_DECLARED(sleep, unistd.h)
269 GUILE_FUNC_DECLARED(usleep, unistd.h)
271 ### On some systems usleep has no return value. If it does have one,
272 ### we'd like to return it; otherwise, we'll fake it.
273 AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
274 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
275 /usr/include/unistd.h,
276 [guile_cv_func_usleep_return_type=void],
277 [guile_cv_func_usleep_return_type=int])])
278 case "$guile_cv_func_usleep_return_type" in
280 AC_DEFINE(USLEEP_RETURNS_VOID)
284 AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
285 if test -n "$have_sys_un_h" ; then
286 AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
289 AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset)
291 AC_CHECK_FUNCS(sethostent gethostent endhostent dnl
292 setnetent getnetent endnetent dnl
293 setprotoent getprotoent endprotoent dnl
294 setservent getservent endservent dnl
295 getnetbyaddr getnetbyname dnl
296 inet_lnaof inet_makeaddr inet_netof hstrerror dnl
299 dnl Some systems do not declare this. Some systems do declare it, as a
300 dnl macro. With cygwin it may be in a DLL.
302 AC_MSG_CHECKING(whether netdb.h declares h_errno)
303 AC_CACHE_VAL(guile_cv_have_h_errno,
304 [AC_TRY_COMPILE([#include <netdb.h>],
306 guile_cv_have_h_errno=yes, guile_cv_have_h_errno=no)])
307 AC_MSG_RESULT($guile_cv_have_h_errno)
308 if test $guile_cv_have_h_errno = yes; then
309 AC_DEFINE(HAVE_H_ERRNO)
312 AC_MSG_CHECKING(whether netdb.h defines uint32_t)
313 AC_CACHE_VAL(guile_cv_have_uint32_t,
314 [AC_TRY_COMPILE([#include <netdb.h>],
316 guile_cv_have_uint32_t=yes, guile_cv_have_uint32_t=no)])
317 AC_MSG_RESULT($guile_cv_have_uint32_t)
318 if test $guile_cv_have_uint32_t = yes; then
319 AC_DEFINE(HAVE_UINT32_T)
322 AC_MSG_CHECKING(for working IPv6 support)
323 AC_CACHE_VAL(guile_cv_have_ipv6,
324 [AC_TRY_COMPILE([#include <netinet/in.h>
325 #include <sys/socket.h>],
326 [struct sockaddr_in6 a; a.sin6_family = AF_INET6;],
327 guile_cv_have_ipv6=yes, guile_cv_have_ipv6=no)])
328 AC_MSG_RESULT($guile_cv_have_ipv6)
329 if test $guile_cv_have_ipv6 = yes; then
333 # included in rfc2553 but not in older implementations, e.g., glibc 2.1.3.
334 AC_MSG_CHECKING(whether sockaddr_in6 has sin6_scope_id)
335 AC_CACHE_VAL(guile_cv_have_sin6_scope_id,
336 [AC_TRY_COMPILE([#include <netinet/in.h>],
337 [struct sockaddr_in6 sok; sok.sin6_scope_id = 0;],
338 guile_cv_have_sin6_scope_id=yes, guile_cv_have_sin6_scope_id=no)])
339 AC_MSG_RESULT($guile_cv_have_sin6_scope_id)
340 if test $guile_cv_have_sin6_scope_id = yes; then
341 AC_DEFINE(HAVE_SIN6_SCOPE_ID)
344 AC_MSG_CHECKING(whether localtime caches TZ)
345 AC_CACHE_VAL(guile_cv_localtime_cache,
346 [if test x$ac_cv_func_tzset = xyes; then
347 AC_TRY_RUN([#include <time.h>
351 extern char **environ;
355 for (to = from = environ; (*to = *from); from++)
356 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
359 char TZ_GMT0[] = "TZ=GMT0";
360 char TZ_PST8[] = "TZ=PST8";
363 time_t now = time ((time_t *) 0);
364 int hour_GMT0, hour_unset;
365 if (putenv (TZ_GMT0) != 0)
367 hour_GMT0 = localtime (&now)->tm_hour;
369 hour_unset = localtime (&now)->tm_hour;
370 if (putenv (TZ_PST8) != 0)
372 if (localtime (&now)->tm_hour == hour_GMT0)
375 if (localtime (&now)->tm_hour != hour_unset)
378 }], guile_cv_localtime_cache=no, guile_cv_localtime_cache=yes,
379 [# If we have tzset, assume the worst when cross-compiling.
380 guile_cv_localtime_cache=yes])
382 # If we lack tzset, report that localtime does not cache TZ,
383 # since we can't invalidate the cache if we don't have tzset.
384 guile_cv_localtime_cache=no
386 AC_MSG_RESULT($guile_cv_localtime_cache)
387 if test $guile_cv_localtime_cache = yes; then
388 AC_DEFINE(LOCALTIME_CACHE)
391 dnl Test whether system calls are restartable by default on the
392 dnl current system. If they are not, we put a loop around every system
393 dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
394 dnl change from the default behaviour. On the other hand, if signals
395 dnl are restartable then the loop is not installed and when libguile
396 dnl initialises it also resets the behaviour of each signal to cause a
397 dnl restart (in case a different runtime had a different default
398 dnl behaviour for some reason: e.g., different versions of linux seem
399 dnl to behave differently.)
401 AC_SYS_RESTARTABLE_SYSCALLS
403 if test "$enable_regex" = yes; then
404 if test "$ac_cv_header_regex_h" = yes ||
405 test "$ac_cv_header_rxposix_h" = yes ||
406 test "$ac_cv_header_rx_rxposix_h" = yes; then
407 GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
408 [AC_CHECK_LIB(rx, main)
409 GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
411 dnl The following should not be necessary, but for some reason
412 dnl autoheader misses it if we don't include it!
413 if test "$ac_cv_func_regcomp_norx" = yes ||
414 test "$ac_cv_func_regcomp_rx" = yes; then
415 AC_DEFINE(HAVE_REGCOMP)
420 AC_REPLACE_FUNCS(inet_aton putenv strerror memmove mkstemp)
422 # When testing for the presence of alloca, we need to add alloca.o
423 # explicitly to LIBOBJS to make sure that it is translated to
424 # `alloca.lo' for libtool later on. This can and should be done more cleanly.
426 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
428 AC_CHECK_MEMBERS([struct stat.st_rdev])
429 AC_CHECK_MEMBERS([struct stat.st_blksize])
433 AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK,
434 [AC_TRY_CPP([#include <sys/stat.h>
438 ac_cv_macro_S_ISLNK=yes,
439 ac_cv_macro_S_ISLNK=no)])
440 if test $ac_cv_macro_S_ISLNK = yes; then
441 AC_DEFINE(HAVE_S_ISLNK)
447 #--------------------------------------------------------------------
449 # Which way does the stack grow?
451 #--------------------------------------------------------------------
453 AC_TRY_RUN(aux (l) unsigned long l;
454 { int x; exit (l >= ((unsigned long)&x)); }
455 main () { int q; aux((unsigned long)&q); },
456 AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
458 AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
459 [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
460 [guile_cv_type_float_fits_long=yes],
461 [guile_cv_type_float_fits_long=no],
462 [guile_cv_type_float_fits_long=guess-yes])])
463 case $guile_cv_type_float_fits_long in
465 AC_DEFINE(SCM_SINGLES)
468 AC_DEFINE(SCM_SINGLES)
469 AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
470 AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
475 AC_MSG_CHECKING(for struct linger)
476 AC_CACHE_VAL(scm_cv_struct_linger,
478 #include <sys/types.h>
479 #include <sys/socket.h>],
480 [struct linger lgr; lgr.l_linger = 100],
481 scm_cv_struct_linger="yes",
482 scm_cv_struct_linger="no"))
483 AC_MSG_RESULT($scm_cv_struct_linger)
484 if test $scm_cv_struct_linger = yes; then
485 AC_DEFINE(HAVE_STRUCT_LINGER)
489 AC_MSG_CHECKING(for struct timespec)
490 AC_CACHE_VAL(scm_cv_struct_timespec,
493 [struct timespec t; t.tv_nsec = 100],
494 scm_cv_struct_timespec="yes",
495 scm_cv_struct_timespec="no"))
496 AC_MSG_RESULT($scm_cv_struct_timespec)
497 if test $scm_cv_struct_timespec = yes; then
498 AC_DEFINE(HAVE_STRUCT_TIMESPEC)
501 #--------------------------------------------------------------------
503 # Flags for thread support
505 #--------------------------------------------------------------------
507 ### What thread package has the user asked for?
508 AC_ARG_WITH(threads, [ --with-threads thread interface],
511 ### Turn $with_threads into either the name of a threads package, like
512 ### `qt', or `no', meaning that threads should not be supported.
513 AC_MSG_CHECKING(whether to support threads)
514 case "$with_threads" in
515 "yes" | "qt" | "coop" | "")
521 AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
524 AC_MSG_RESULT($with_threads)
526 ## Make sure the threads package we've chosen is actually supported on
527 ## the present platform.
528 case "${with_threads}" in
530 ## This configures the QuickThreads package, and sets or clears
531 ## the THREAD_PACKAGE variable if qthreads don't configure
537 ## If we're using threads, bring in some other parts of Guile which
539 if test "${THREAD_PACKAGE}" != "" ; then
540 AC_DEFINE(USE_THREADS, 1)
542 ## Include the Guile thread interface in the library...
543 LIBOBJS="$LIBOBJS threads.o"
545 ## ... and tell it which package to talk to.
546 case "${THREAD_PACKAGE}" in
548 AC_DEFINE(USE_COOP_THREADS, 1)
551 AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
555 ## Bring in scm_internal_select, if appropriate.
556 if test $ac_cv_func_gettimeofday = yes &&
557 test $ac_cv_func_select = yes; then
558 AC_DEFINE(GUILE_ISELECT, 1)
561 AC_ARG_ENABLE(linuxthreads,
562 [ --disable-linuxthreads disable linuxthreads workaround],,
563 enable_linuxthreads=yes)
565 ## Workaround for linuxthreads (optionally disabled)
566 if test $host_os = linux-gnu -a "$enable_linuxthreads" = yes; then
567 AC_DEFINE(GUILE_PTHREAD_COMPAT, 1)
568 AC_CHECK_LIB(pthread, main)
571 AC_SUBST(LIBGUILEQTHREADS_INTERFACE_CURRENT)
572 AC_SUBST(LIBGUILEQTHREADS_INTERFACE_REVISION)
573 AC_SUBST(LIBGUILEQTHREADS_INTERFACE_AGE)
574 AC_SUBST(LIBGUILEQTHREADS_INTERFACE)
576 ## If we're using GCC, ask for aggressive warnings.
579 ## We had -Wstrict-prototypes in here for a bit, but Guile does too
580 ## much stuff with generic function pointers for that to really be
581 ## less than exasperating.
582 ## -Wpointer-arith was here too, but something changed in gcc/glibc
583 ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
584 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes" ;;
589 ## If we're creating a shared library (using libtool!), then we'll
590 ## need to generate a list of .lo files corresponding to the .o files
591 ## given in LIBOBJS. We'll call it LIBLOBJS.
592 LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
594 ## We also need to create corresponding .doc and .x files
595 EXTRA_DOT_DOC_FILES="`echo ${LIBOBJS} | sed 's/\.o/.doc/g'`"
596 EXTRA_DOT_X_FILES="`echo ${LIBOBJS} | sed 's/\.o/.x/g'`"
598 AC_SUBST(GUILE_MAJOR_VERSION)
599 AC_SUBST(GUILE_MINOR_VERSION)
600 AC_SUBST(GUILE_MICRO_VERSION)
601 AC_SUBST(GUILE_VERSION)
603 AC_SUBST(LIBGUILE_INTERFACE_CURRENT)
604 AC_SUBST(LIBGUILE_INTERFACE_REVISION)
605 AC_SUBST(LIBGUILE_INTERFACE_AGE)
606 AC_SUBST(LIBGUILE_INTERFACE)
608 dnl Tell guile-config what flags guile users should link against.
609 GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
614 AC_SUBST(EXTRA_DOT_DOC_FILES)
615 AC_SUBST(EXTRA_DOT_X_FILES)
621 libguile/guile-doc-snarf
622 libguile/guile-func-name-check
623 libguile/guile-snarf-docs
624 libguile/guile-snarf-docs-texi
625 libguile/versiondat.h
635 guile-config/Makefile
638 examples/scripts/Makefile
639 examples/box/Makefile
640 examples/box-module/Makefile
641 examples/box-dynamic/Makefile
642 examples/box-dynamic-module/Makefile
643 examples/modules/Makefile
644 examples/safe/Makefile
649 AC_CONFIG_COMMANDS(default,
650 [ chmod +x libguile/guile-snarf \
651 libguile/guile-doc-snarf \
652 libguile/guile-func-name-check \
653 libguile/guile-snarf-docs \
654 libguile/guile-snarf-docs-texi \
661 dnl comment-start: "dnl "
663 dnl comment-start-skip: "\\bdnl\\b\\s *"