1 dnl configuration script for Guile
2 dnl Process this file with autoconf to produce configure.
4 dnl Copyright (C) 1998, 1999 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, $VERSION, no-define)
27 AM_CONFIG_HEADER(libguile/scmconfig.h)
29 #--------------------------------------------------------------------
31 # Independent Subdirectories
33 #--------------------------------------------------------------------
35 AC_CONFIG_SUBDIRS(guile-readline)
37 #--------------------------------------------------------------------
41 #--------------------------------------------------------------------
43 AC_ARG_ENABLE(dynamic-linking,
44 [ --enable-dynamic-linking include support for dynamic linking],,
45 enable_dynamic_linking=yes)
47 AC_ARG_ENABLE(guile-debug,
48 [ --enable-guile-debug include internal debugging functions],
49 if test "$enable_guile_debug" = y || test "$enable_guile_debug" = yes; then
50 AC_DEFINE(GUILE_DEBUG)
53 AC_ARG_ENABLE(debug-freelist,
54 [ --enable-debug-freelist Include garbage collector freelist debugging code],
55 if test "$enable_debug_freelist" = y || test "$enable_debug_freelist" = yes; then
56 AC_DEFINE(GUILE_DEBUG_FREELIST)
60 [ --disable-arrays omit array and uniform array support],,
64 [ --disable-posix omit posix interfaces],,
67 AC_ARG_ENABLE(networking,
68 [ --disable-net omit networking interfaces],,
69 enable_networking=yes)
72 [ --disable-regex omit regular expression interfaces],,
75 dnl The --disable-debug used to control these two. But now they are
76 dnl a required part of the distribution.
77 AC_DEFINE(DEBUG_EXTENSIONS)
78 AC_DEFINE(READER_EXTENSIONS)
80 dnl files which are destined for separate modules.
82 if test "$enable_arrays" = yes; then
83 LIBOBJS="$LIBOBJS ramap.o unif.o"
84 AC_DEFINE(HAVE_ARRAYS)
87 if test "$enable_posix" = yes; then
88 LIBOBJS="$LIBOBJS filesys.o posix.o"
92 if test "$enable_networking" = yes; then
93 LIBOBJS="$LIBOBJS net_db.o socket.o"
94 AC_DEFINE(HAVE_NETWORKING)
97 #--------------------------------------------------------------------
112 AC_CHECK_SIZEOF(long)
113 AC_CACHE_CHECK([for long longs], scm_cv_long_longs,
116 scm_cv_long_longs=yes,
117 scm_cv_long_longs=no))
118 if test "$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 $ac_cv_func_connect = no; then
140 AC_CHECK_LIB(socket, connect)
143 # Checks for dynamic linking
145 if test "$enable_dynamic_linking" = "yes"; then
147 AC_CHECK_LIB(dl,dlopen)
148 if test "$ac_cv_lib_dl_dlopen" = "yes"; then
149 AC_CHECK_FUNCS(dlopen)
150 AC_DEFINE(DYNAMIC_LINKING)
152 AC_CHECK_LIB(dld,dld_link)
153 if test "$ac_cv_lib_dld_dld_link" = "yes"; then
154 AC_DEFINE(DYNAMIC_LINKING)
156 AC_CHECK_FUNCS(shl_load)
157 if test "$ac_cv_func_shl_load" = "yes"; then
158 AC_DEFINE(DYNAMIC_LINKING)
160 AC_CHECK_FUNCS(dlopen)
161 if test "$ac_cv_func_dlopen" = "yes"; then
162 AC_DEFINE(DYNAMIC_LINKING)
172 AC_CHECK_FUNCS(ctermid ftime 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)
174 ### Some systems don't declare some functions. On such systems, we
175 ### need to at least provide our own K&R-style declarations.
177 ### GUILE_FUNC_DECLARED(function, headerfile)
179 ### Check for a declaration of FUNCTION in HEADERFILE; if it is
180 ### not there, #define MISSING_FUNCTION_DECL.
181 AC_DEFUN(GUILE_FUNC_DECLARED, [
182 AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
183 AC_EGREP_HEADER($1, $2,
184 guile_cv_func_$1_declared=yes,
185 guile_cv_func_$1_declared=no))
186 if test [x$guile_cv_func_]$1[_declared] = xno; then
187 AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL])
191 GUILE_FUNC_DECLARED(strptime, time.h)
192 GUILE_FUNC_DECLARED(bzero, string.h)
193 GUILE_FUNC_DECLARED(sleep, unistd.h)
194 GUILE_FUNC_DECLARED(usleep, unistd.h)
196 ### On some systems usleep has no return value. If it does have one,
197 ### we'd like to return it; otherwise, we'll fake it.
198 AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
199 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
200 /usr/include/unistd.h,
201 [guile_cv_func_usleep_return_type=void],
202 [guile_cv_func_usleep_return_type=int])])
203 case "$guile_cv_func_usleep_return_type" in
205 AC_DEFINE(USLEEP_RETURNS_VOID)
209 dnl <GNU-WIN32 hacks>
211 AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
212 if test -n "$have_sys_un_h" ; then
213 AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
216 AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset)
218 dnl I don't know what this prefixing of cygwin32_ is for.
219 dnl scmconfig.h wasn't updated with the test results.
220 dnl so use AC_CHECK_FUNCS for now.
224 dnl if test $ac_cv_cigwin = yes; then
225 dnl modify confdefs.h
227 dnl AC_CHECK_FUNCS...
228 dnl restore confdefs.h
230 dnl cp confdefs.h confdefs.h.bak
231 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
232 dnl cp confdefs.h.bak confdefs.h
233 dnl cat >> confdefs.h << EOF
234 dnl #ifdef __CYGWIN32__
235 dnl #define $func cygwin32_$func
238 dnl AC_CHECK_FUNC($func)
240 dnl cp confdefs.h.bak confdefs.h
242 AC_CHECK_FUNCS(sethostent gethostent endhostent dnl
243 setnetent getnetent endnetent dnl
244 setprotoent getprotoent endprotoent dnl
245 setservent getservent endservent dnl
246 getnetbyaddr getnetbyname dnl
247 inet_lnaof inet_makeaddr inet_netof hstrerror)
249 dnl </GNU-WIN32 hacks>
251 AC_MSG_CHECKING(whether localtime caches TZ)
252 AC_CACHE_VAL(guile_cv_localtime_cache,
253 [if test x$ac_cv_func_tzset = xyes; then
254 AC_TRY_RUN([#include <time.h>
258 extern char **environ;
262 for (to = from = environ; (*to = *from); from++)
263 if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
266 char TZ_GMT0[] = "TZ=GMT0";
267 char TZ_PST8[] = "TZ=PST8";
270 time_t now = time ((time_t *) 0);
271 int hour_GMT0, hour_unset;
272 if (putenv (TZ_GMT0) != 0)
274 hour_GMT0 = localtime (&now)->tm_hour;
276 hour_unset = localtime (&now)->tm_hour;
277 if (putenv (TZ_PST8) != 0)
279 if (localtime (&now)->tm_hour == hour_GMT0)
282 if (localtime (&now)->tm_hour != hour_unset)
285 }], guile_cv_localtime_cache=no, guile_cv_localtime_cache=yes,
286 [# If we have tzset, assume the worst when cross-compiling.
287 guile_cv_localtime_cache=yes])
289 # If we lack tzset, report that localtime does not cache TZ,
290 # since we can't invalidate the cache if we don't have tzset.
291 guile_cv_localtime_cache=no
293 AC_MSG_RESULT($guile_cv_localtime_cache)
294 if test $guile_cv_localtime_cache = yes; then
295 AC_DEFINE(LOCALTIME_CACHE)
298 dnl Test whether system calls are restartable by default on the
299 dnl current system. If they are not, we put a loop around every system
300 dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
301 dnl change from the default behaviour. On the other hand, if signals
302 dnl are restartable then the loop is not installed and when libguile
303 dnl initialises it also resets the behaviour of each signal to cause a
304 dnl restart (in case a different runtime had a different default
305 dnl behaviour for some reason: e.g., different versions of linux seem
306 dnl to behave differently.)
308 AC_SYS_RESTARTABLE_SYSCALLS
310 if test "$enable_regex" = yes; then
311 if test "$ac_cv_header_regex_h" = yes ||
312 test "$ac_cv_header_rxposix_h" = yes ||
313 test "$ac_cv_header_rx_rxposix_h" = yes; then
314 GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
315 [AC_CHECK_LIB(rx, main)
316 GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
318 dnl The following should not be necessary, but for some reason
319 dnl autoheader misses it if we don't include it!
320 if test "$ac_cv_func_regcomp_norx" = yes ||
321 test "$ac_cv_func_regcomp_rx" = yes; then
322 AC_DEFINE(HAVE_REGCOMP)
327 AC_REPLACE_FUNCS(inet_aton putenv strerror memmove)
329 # When testing for the presence of alloca, we need to add alloca.o
330 # explicitly to LIBOBJS to make sure that it is translated to
331 # `alloca.lo' for libtool later on. This can and should be done more cleanly.
333 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
338 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
339 # LIBOBJS, which we don't need. This seems more direct.
340 AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
341 [AC_TRY_COMPILE([#include <sys/types.h>
342 #include <sys/stat.h>], [struct stat s; s.st_blocks;],
343 ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
344 if test $ac_cv_struct_st_blocks = yes; then
345 AC_DEFINE(HAVE_ST_BLOCKS)
348 AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK,
349 [AC_TRY_CPP([#include <sys/stat.h>
353 ac_cv_macro_S_ISLNK=yes,
354 ac_cv_macro_S_ISLNK=no)])
355 if test $ac_cv_macro_S_ISLNK = yes; then
356 AC_DEFINE(HAVE_S_ISLNK)
362 #--------------------------------------------------------------------
364 # Which way does the stack grow?
366 #--------------------------------------------------------------------
368 AC_TRY_RUN(aux (l) unsigned long l;
369 { int x; exit (l >= ((unsigned long)&x)); }
370 main () { int q; aux((unsigned long)&q); },
371 AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
373 AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
374 [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
375 [guile_cv_type_float_fits_long=yes],
376 [guile_cv_type_float_fits_long=no],
377 [guile_cv_type_float_fits_long=guess-yes])])
378 case $guile_cv_type_float_fits_long in
380 AC_DEFINE(SCM_SINGLES)
383 AC_DEFINE(SCM_SINGLES)
384 AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
385 AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
390 AC_MSG_CHECKING(for struct linger)
391 AC_CACHE_VAL(scm_cv_struct_linger,
393 #include <sys/types.h>
394 #include <sys/socket.h>],
395 [struct linger lgr; lgr.l_linger = 100],
396 scm_cv_struct_linger="yes",
397 scm_cv_struct_linger="no"))
398 AC_MSG_RESULT($scm_cv_struct_linger)
399 if test $scm_cv_struct_linger = yes; then
400 AC_DEFINE(HAVE_STRUCT_LINGER)
403 #--------------------------------------------------------------------
405 # Flags for thread support
407 #--------------------------------------------------------------------
409 ### What thread package has the user asked for?
410 AC_ARG_WITH(threads, [ --with-threads thread interface],
413 ### Turn $with_threads into either the name of a threads package, like
414 ### `qt', or `no', meaning that threads should not be supported.
415 AC_MSG_CHECKING(whether to support threads)
416 case "$with_threads" in
417 "yes" | "qt" | "coop" | "")
423 AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
426 AC_MSG_RESULT($with_threads)
428 ## Make sure the threads package we've chosen is actually supported on
429 ## the present platform.
430 case "${with_threads}" in
432 ## This configures the QuickThreads package, and sets or clears
433 ## the THREAD_PACKAGE variable if qthreads don't configure
439 ## If we're using threads, bring in some other parts of Guile which
441 if test "${THREAD_PACKAGE}" != "" ; then
442 AC_DEFINE(USE_THREADS, 1)
444 ## Include the Guile thread interface in the library...
445 LIBOBJS="$LIBOBJS threads.o"
447 ## ... and tell it which package to talk to.
448 case "${THREAD_PACKAGE}" in
450 AC_DEFINE(USE_COOP_THREADS, 1)
453 AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
457 ## Bring in scm_internal_select, if appropriate.
458 if test $ac_cv_func_gettimeofday = yes &&
459 test $ac_cv_func_select = yes; then
460 LIBOBJS="$LIBOBJS iselect.o"
461 AC_DEFINE(GUILE_ISELECT, 1)
465 ## If we're using GCC, ask for aggressive warnings.
468 ## We had -Wstrict-prototypes in here for a bit, but Guile does too
469 ## much stuff with generic function pointers for that to really be
470 ## less than exasperating.
471 ## -Wpointer-arith was here too, but something changed in gcc/glibc
472 ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
473 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes" ;;
478 ## If we're creating a shared library (using libtool!), then we'll
479 ## need to generate a list of .lo files corresponding to the .o files
480 ## given in LIBOBJS. We'll call it LIBLOBJS.
481 LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
483 AC_SUBST(GUILE_MAJOR_VERSION)
484 AC_SUBST(GUILE_MINOR_VERSION)
485 AC_SUBST(GUILE_VERSION)
487 dnl Tell guile-config what flags guile users should link against.
488 GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
494 AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf libguile/guile-doc-snarf 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; chmod +x libguile/guile-doc-snarf])
497 dnl comment-start: "dnl "
499 dnl comment-start-skip: "\\bdnl\\b\\s *"