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, $VERSION, no-define)
27 AM_CONFIG_HEADER(libguile/scmconfig.h)
29 #--------------------------------------------------------------------
31 # Independent Subdirectories
33 #--------------------------------------------------------------------
35 AC_CONFIG_SUBDIRS(guile-readline)
37 #--------------------------------------------------------------------
41 #--------------------------------------------------------------------
43 AC_ARG_ENABLE(guile-debug,
44 [ --enable-guile-debug include internal debugging functions],
45 if test "$enable_guile_debug" = y || test "$enable_guile_debug" = yes; then
46 AC_DEFINE(GUILE_DEBUG)
49 AC_ARG_ENABLE(debug-freelist,
50 [ --enable-debug-freelist Include garbage collector freelist debugging code],
51 if test "$enable_debug_freelist" = y || test "$enable_debug_freelist" = yes; then
52 AC_DEFINE(GUILE_DEBUG_FREELIST)
56 [ --disable-arrays omit array and uniform array support],,
60 [ --disable-posix omit posix interfaces],,
63 AC_ARG_ENABLE(networking,
64 [ --disable-networking omit networking interfaces],,
65 enable_networking=yes)
68 [ --disable-regex omit regular expression interfaces],,
71 dnl The --disable-debug used to control these two. But now they are
72 dnl a required part of the distribution.
73 AC_DEFINE(DEBUG_EXTENSIONS)
74 AC_DEFINE(READER_EXTENSIONS)
76 dnl files which are destined for separate modules.
78 if test "$enable_arrays" = yes; then
79 LIBOBJS="$LIBOBJS ramap.o unif.o"
80 AC_DEFINE(HAVE_ARRAYS)
83 if test "$enable_posix" = yes; then
84 LIBOBJS="$LIBOBJS filesys.o posix.o"
88 if test "$enable_networking" = yes; then
89 LIBOBJS="$LIBOBJS net_db.o socket.o"
90 AC_DEFINE(HAVE_NETWORKING)
93 #--------------------------------------------------------------------
95 AC_LIBLTDL_CONVENIENCE
96 AC_CONFIG_SUBDIRS(libltdl)
112 AC_CHECK_SIZEOF(long)
113 AC_CACHE_CHECK([for long longs], scm_cv_long_longs,
116 scm_cv_long_longs=yes,
117 scm_cv_long_longs=no))
118 if test "$scm_cv_long_longs" = yes; then
119 AC_DEFINE(HAVE_LONG_LONGS)
126 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)
127 GUILE_HEADER_LIBC_WITH_UNISTD
133 AC_CHECK_LIB(m, main)
134 AC_CHECK_FUNCS(gethostbyname)
135 if test $ac_cv_func_gethostbyname = no; then
136 AC_CHECK_LIB(nsl, gethostbyname)
138 AC_CHECK_FUNCS(connect)
139 if test $ac_cv_func_connect = no; then
140 AC_CHECK_LIB(socket, connect)
143 # Check for dynamic linking
147 [ --with-modules[=FILES] Add support for dynamic modules],
148 use_modules="$withval")
149 test -z "$use_modules" && use_modules=yes
151 if test "$use_modules" != no; then
152 AC_DEFINE(DYNAMIC_LINKING)
153 if test "$use_modules" = yes; then
154 DLPREOPEN="-dlpreopen force"
156 DLPREOPEN="-export-dynamic"
157 for module in $use_modules; do
158 DLPREOPEN="$DLPREOPEN -dlopen $module"
166 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)
168 ### Some systems don't declare some functions. On such systems, we
169 ### need to at least provide our own K&R-style declarations.
171 ### GUILE_FUNC_DECLARED(function, headerfile)
173 ### Check for a declaration of FUNCTION in HEADERFILE; if it is
174 ### not there, #define MISSING_FUNCTION_DECL.
175 AC_DEFUN(GUILE_FUNC_DECLARED, [
176 AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
177 AC_EGREP_HEADER($1, $2,
178 guile_cv_func_$1_declared=yes,
179 guile_cv_func_$1_declared=no))
180 if test [x$guile_cv_func_]$1[_declared] = xno; then
181 AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL])
185 GUILE_FUNC_DECLARED(strptime, time.h)
186 GUILE_FUNC_DECLARED(bzero, string.h)
187 GUILE_FUNC_DECLARED(sleep, unistd.h)
188 GUILE_FUNC_DECLARED(usleep, unistd.h)
190 ### On some systems usleep has no return value. If it does have one,
191 ### we'd like to return it; otherwise, we'll fake it.
192 AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
193 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
194 /usr/include/unistd.h,
195 [guile_cv_func_usleep_return_type=void],
196 [guile_cv_func_usleep_return_type=int])])
197 case "$guile_cv_func_usleep_return_type" in
199 AC_DEFINE(USLEEP_RETURNS_VOID)
203 dnl <GNU-WIN32 hacks>
205 AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
206 if test -n "$have_sys_un_h" ; then
207 AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
210 AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset)
212 dnl I don't know what this prefixing of cygwin32_ is for.
213 dnl scmconfig.h wasn't updated with the test results.
214 dnl so use AC_CHECK_FUNCS for now.
218 dnl if test $ac_cv_cigwin = yes; then
219 dnl modify confdefs.h
221 dnl AC_CHECK_FUNCS...
222 dnl restore confdefs.h
224 dnl cp confdefs.h confdefs.h.bak
225 dnl for func in gethostent sethostent endhostent getnetent setnetent endnetent getprotoent setprotoent endprotoent getservent setservent endservent getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof hstrerror; do
226 dnl cp confdefs.h.bak confdefs.h
227 dnl cat >> confdefs.h << EOF
228 dnl #ifdef __CYGWIN32__
229 dnl #define $func cygwin32_$func
232 dnl AC_CHECK_FUNC($func)
234 dnl cp confdefs.h.bak confdefs.h
236 AC_CHECK_FUNCS(sethostent gethostent endhostent dnl
237 setnetent getnetent endnetent dnl
238 setprotoent getprotoent endprotoent dnl
239 setservent getservent endservent dnl
240 getnetbyaddr getnetbyname dnl
241 inet_lnaof inet_makeaddr inet_netof hstrerror)
243 dnl </GNU-WIN32 hacks>
245 AC_MSG_CHECKING(whether localtime caches TZ)
246 AC_CACHE_VAL(guile_cv_localtime_cache,
247 [if test x$ac_cv_func_tzset = xyes; then
248 AC_TRY_RUN([#include <time.h>
252 extern char **environ;
256 for (to = from = environ; (*to = *from); from++)
257 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
260 char TZ_GMT0[] = "TZ=GMT0";
261 char TZ_PST8[] = "TZ=PST8";
264 time_t now = time ((time_t *) 0);
265 int hour_GMT0, hour_unset;
266 if (putenv (TZ_GMT0) != 0)
268 hour_GMT0 = localtime (&now)->tm_hour;
270 hour_unset = localtime (&now)->tm_hour;
271 if (putenv (TZ_PST8) != 0)
273 if (localtime (&now)->tm_hour == hour_GMT0)
276 if (localtime (&now)->tm_hour != hour_unset)
279 }], guile_cv_localtime_cache=no, guile_cv_localtime_cache=yes,
280 [# If we have tzset, assume the worst when cross-compiling.
281 guile_cv_localtime_cache=yes])
283 # If we lack tzset, report that localtime does not cache TZ,
284 # since we can't invalidate the cache if we don't have tzset.
285 guile_cv_localtime_cache=no
287 AC_MSG_RESULT($guile_cv_localtime_cache)
288 if test $guile_cv_localtime_cache = yes; then
289 AC_DEFINE(LOCALTIME_CACHE)
292 dnl Test whether system calls are restartable by default on the
293 dnl current system. If they are not, we put a loop around every system
294 dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
295 dnl change from the default behaviour. On the other hand, if signals
296 dnl are restartable then the loop is not installed and when libguile
297 dnl initialises it also resets the behaviour of each signal to cause a
298 dnl restart (in case a different runtime had a different default
299 dnl behaviour for some reason: e.g., different versions of linux seem
300 dnl to behave differently.)
302 AC_SYS_RESTARTABLE_SYSCALLS
304 if test "$enable_regex" = yes; then
305 if test "$ac_cv_header_regex_h" = yes ||
306 test "$ac_cv_header_rxposix_h" = yes ||
307 test "$ac_cv_header_rx_rxposix_h" = yes; then
308 GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
309 [AC_CHECK_LIB(rx, main)
310 GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
312 dnl The following should not be necessary, but for some reason
313 dnl autoheader misses it if we don't include it!
314 if test "$ac_cv_func_regcomp_norx" = yes ||
315 test "$ac_cv_func_regcomp_rx" = yes; then
316 AC_DEFINE(HAVE_REGCOMP)
321 AC_REPLACE_FUNCS(inet_aton putenv strerror memmove)
323 # When testing for the presence of alloca, we need to add alloca.o
324 # explicitly to LIBOBJS to make sure that it is translated to
325 # `alloca.lo' for libtool later on. This can and should be done more cleanly.
327 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
332 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
333 # LIBOBJS, which we don't need. This seems more direct.
334 AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
335 [AC_TRY_COMPILE([#include <sys/types.h>
336 #include <sys/stat.h>], [struct stat s; s.st_blocks;],
337 ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
338 if test $ac_cv_struct_st_blocks = yes; then
339 AC_DEFINE(HAVE_ST_BLOCKS)
342 AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK,
343 [AC_TRY_CPP([#include <sys/stat.h>
347 ac_cv_macro_S_ISLNK=yes,
348 ac_cv_macro_S_ISLNK=no)])
349 if test $ac_cv_macro_S_ISLNK = yes; then
350 AC_DEFINE(HAVE_S_ISLNK)
356 #--------------------------------------------------------------------
358 # Which way does the stack grow?
360 #--------------------------------------------------------------------
362 AC_TRY_RUN(aux (l) unsigned long l;
363 { int x; exit (l >= ((unsigned long)&x)); }
364 main () { int q; aux((unsigned long)&q); },
365 AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
367 AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
368 [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
369 [guile_cv_type_float_fits_long=yes],
370 [guile_cv_type_float_fits_long=no],
371 [guile_cv_type_float_fits_long=guess-yes])])
372 case $guile_cv_type_float_fits_long in
374 AC_DEFINE(SCM_SINGLES)
377 AC_DEFINE(SCM_SINGLES)
378 AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
379 AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
384 AC_MSG_CHECKING(for struct linger)
385 AC_CACHE_VAL(scm_cv_struct_linger,
387 #include <sys/types.h>
388 #include <sys/socket.h>],
389 [struct linger lgr; lgr.l_linger = 100],
390 scm_cv_struct_linger="yes",
391 scm_cv_struct_linger="no"))
392 AC_MSG_RESULT($scm_cv_struct_linger)
393 if test $scm_cv_struct_linger = yes; then
394 AC_DEFINE(HAVE_STRUCT_LINGER)
398 AC_MSG_CHECKING(for struct timespec)
399 AC_CACHE_VAL(scm_cv_struct_timespec,
402 [struct timespec t; t.tv_nsec = 100],
403 scm_cv_struct_timespec="yes",
404 scm_cv_struct_timespec="no"))
405 AC_MSG_RESULT($scm_cv_struct_timespec)
406 if test $scm_cv_struct_timespec = yes; then
407 AC_DEFINE(HAVE_STRUCT_TIMESPEC)
410 #--------------------------------------------------------------------
412 # Flags for thread support
414 #--------------------------------------------------------------------
416 ### What thread package has the user asked for?
417 AC_ARG_WITH(threads, [ --with-threads thread interface],
420 ### Turn $with_threads into either the name of a threads package, like
421 ### `qt', or `no', meaning that threads should not be supported.
422 AC_MSG_CHECKING(whether to support threads)
423 case "$with_threads" in
424 "yes" | "qt" | "coop" | "")
430 AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
433 AC_MSG_RESULT($with_threads)
435 ## Make sure the threads package we've chosen is actually supported on
436 ## the present platform.
437 case "${with_threads}" in
439 ## This configures the QuickThreads package, and sets or clears
440 ## the THREAD_PACKAGE variable if qthreads don't configure
446 ## If we're using threads, bring in some other parts of Guile which
448 if test "${THREAD_PACKAGE}" != "" ; then
449 AC_DEFINE(USE_THREADS, 1)
451 ## Include the Guile thread interface in the library...
452 LIBOBJS="$LIBOBJS threads.o"
454 ## ... and tell it which package to talk to.
455 case "${THREAD_PACKAGE}" in
457 AC_DEFINE(USE_COOP_THREADS, 1)
460 AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
464 ## Bring in scm_internal_select, if appropriate.
465 if test $ac_cv_func_gettimeofday = yes &&
466 test $ac_cv_func_select = yes; then
467 AC_DEFINE(GUILE_ISELECT, 1)
470 ## Workaround for linuxthreads (currently disabled)
471 if test $host_os = linux-gnu; then
472 AC_DEFINE(GUILE_PTHREAD_COMPAT, 1)
473 AC_CHECK_LIB(pthread, main)
477 ## If we're using GCC, ask for aggressive warnings.
480 ## We had -Wstrict-prototypes in here for a bit, but Guile does too
481 ## much stuff with generic function pointers for that to really be
482 ## less than exasperating.
483 ## -Wpointer-arith was here too, but something changed in gcc/glibc
484 ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
485 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes" ;;
490 ## If we're creating a shared library (using libtool!), then we'll
491 ## need to generate a list of .lo files corresponding to the .o files
492 ## given in LIBOBJS. We'll call it LIBLOBJS.
493 LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
495 AC_SUBST(GUILE_MAJOR_VERSION)
496 AC_SUBST(GUILE_MINOR_VERSION)
497 AC_SUBST(GUILE_VERSION)
499 dnl Tell guile-config what flags guile users should link against.
500 GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
506 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 qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile guile-config/Makefile doc/Makefile], [chmod +x libguile/guile-snarf libguile/guile-doc-snarf libguile/guile-func-name-check])
509 dnl comment-start: "dnl "
511 dnl comment-start-skip: "\\bdnl\\b\\s *"