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 "$enable_debug_freelist" = yes; then
56 AC_DEFINE(GUILE_DEBUG_FREELIST)
60 [ --disable-posix omit posix interfaces],,
63 AC_ARG_ENABLE(networking,
64 [ --disable-net omit networking interfaces],,
65 enable_networking=yes)
68 [ --disable-regex omit regular expression interfaces],,
71 dnl The --disable-debug used to control these two. But now they are
72 dnl a required part of the distribution.
73 AC_DEFINE(DEBUG_EXTENSIONS)
74 AC_DEFINE(READER_EXTENSIONS)
76 dnl files which are destined for separate modules.
78 if test "$enable_posix" = yes; then
79 LIBOBJS="$LIBOBJS filesys.o posix.o"
83 if test "$enable_networking" = yes; then
84 LIBOBJS="$LIBOBJS net_db.o socket.o"
85 AC_DEFINE(HAVE_NETWORKING)
88 #--------------------------------------------------------------------
103 AC_CHECK_SIZEOF(long)
104 AC_CACHE_CHECK([for long longs], scm_cv_long_longs,
107 scm_cv_long_longs=yes,
108 scm_cv_long_longs=no))
109 if test "$scm_cv_long_longs" = yes; then
110 AC_DEFINE(HAVE_LONG_LONGS)
117 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)
118 GUILE_HEADER_LIBC_WITH_UNISTD
124 AC_CHECK_LIB(m, main)
125 AC_CHECK_FUNCS(gethostbyname)
126 if test $ac_cv_func_gethostbyname = no; then
127 AC_CHECK_LIB(nsl, gethostbyname)
129 AC_CHECK_FUNCS(connect)
130 if test $ac_cv_func_connect = no; then
131 AC_CHECK_LIB(socket, connect)
134 # Checks for dynamic linking
136 if test "$enable_dynamic_linking" = "yes"; then
138 AC_CHECK_LIB(dl,dlopen)
139 if test "$ac_cv_lib_dl_dlopen" = "yes"; then
140 AC_CHECK_FUNCS(dlopen)
141 AC_DEFINE(DYNAMIC_LINKING)
143 AC_CHECK_LIB(dld,dld_link)
144 if test "$ac_cv_lib_dld_dld_link" = "yes"; then
145 AC_DEFINE(DYNAMIC_LINKING)
147 AC_CHECK_FUNCS(shl_load)
148 if test "$ac_cv_func_shl_load" = "yes"; then
149 AC_DEFINE(DYNAMIC_LINKING)
151 AC_CHECK_FUNCS(dlopen)
152 if test "$ac_cv_func_dlopen" = "yes"; then
153 AC_DEFINE(DYNAMIC_LINKING)
163 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)
165 ### Some systems don't declare some functions. On such systems, we
166 ### need to at least provide our own K&R-style declarations.
168 ### GUILE_FUNC_DECLARED(function, headerfile)
170 ### Check for a declaration of FUNCTION in HEADERFILE; if it is
171 ### not there, #define MISSING_FUNCTION_DECL.
172 AC_DEFUN(GUILE_FUNC_DECLARED, [
173 AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
174 AC_EGREP_HEADER($1, $2,
175 guile_cv_func_$1_declared=yes,
176 guile_cv_func_$1_declared=no))
177 if test [x$guile_cv_func_]$1[_declared] = xno; then
178 AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL])
182 GUILE_FUNC_DECLARED(strptime, time.h)
183 GUILE_FUNC_DECLARED(bzero, string.h)
184 GUILE_FUNC_DECLARED(sleep, unistd.h)
185 GUILE_FUNC_DECLARED(usleep, unistd.h)
187 ### On some systems usleep has no return value. If it does have one,
188 ### we'd like to return it; otherwise, we'll fake it.
189 AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
190 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
191 /usr/include/unistd.h,
192 [guile_cv_func_usleep_return_type=void],
193 [guile_cv_func_usleep_return_type=int])])
194 case "$guile_cv_func_usleep_return_type" in
196 AC_DEFINE(USLEEP_RETURNS_VOID)
200 dnl <GNU-WIN32 hacks>
202 AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
203 if test -n "$have_sys_un_h" ; then
204 AC_DEFINE(HAVE_UNIX_DOMAIN_SOCKETS)
207 AC_CHECK_FUNCS(socketpair getgroups setpwent pause tzset)
209 dnl I don't know what this prefixing of cygwin32_ is for.
210 dnl scmconfig.h wasn't updated with the test results.
211 dnl so use AC_CHECK_FUNCS for now.
215 dnl if test $ac_cv_cigwin = yes; then
216 dnl modify confdefs.h
218 dnl AC_CHECK_FUNCS...
219 dnl restore confdefs.h
221 dnl cp confdefs.h confdefs.h.bak
222 dnl for func in gethostent sethostent endhostent getnetent setnetent endnetent getprotoent setprotoent endprotoent getservent setservent endservent getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof ; do
223 dnl cp confdefs.h.bak confdefs.h
224 dnl cat >> confdefs.h << EOF
225 dnl #ifdef __CYGWIN32__
226 dnl #define $func cygwin32_$func
229 dnl AC_CHECK_FUNC($func)
231 dnl cp confdefs.h.bak confdefs.h
233 AC_CHECK_FUNCS(sethostent gethostent endhostent dnl
234 setnetent getnetent endnetent dnl
235 setprotoent getprotoent endprotoent dnl
236 setservent getservent endservent dnl
237 getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof)
239 dnl </GNU-WIN32 hacks>
241 dnl Test whether system calls are restartable by default on the
242 dnl current system. If they are not, we put a loop around every system
243 dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
244 dnl change from the default behaviour. On the other hand, if signals
245 dnl are restartable then the loop is not installed and when libguile
246 dnl initialises it also resets the behaviour of each signal to cause a
247 dnl restart (in case a different runtime had a different default
248 dnl behaviour for some reason: e.g., different versions of linux seem
249 dnl to behave differently.)
251 AC_SYS_RESTARTABLE_SYSCALLS
253 if test "$enable_regex" = yes; then
254 if test "$ac_cv_header_regex_h" = yes ||
255 test "$ac_cv_header_rxposix_h" = yes ||
256 test "$ac_cv_header_rx_rxposix_h" = yes; then
257 GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
258 [AC_CHECK_LIB(rx, main)
259 GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
261 dnl The following should not be necessary, but for some reason
262 dnl autoheader misses it if we don't include it!
263 if test "$ac_cv_func_regcomp_norx" = yes ||
264 test "$ac_cv_func_regcomp_rx" = yes; then
265 AC_DEFINE(HAVE_REGCOMP)
270 AC_REPLACE_FUNCS(inet_aton putenv strerror memmove)
272 # When testing for the presence of alloca, we need to add alloca.o
273 # explicitly to LIBOBJS to make sure that it is translated to
274 # `alloca.lo' for libtool later on. This can and should be done more cleanly.
276 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
281 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
282 # LIBOBJS, which we don't need. This seems more direct.
283 AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
284 [AC_TRY_COMPILE([#include <sys/types.h>
285 #include <sys/stat.h>], [struct stat s; s.st_blocks;],
286 ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
287 if test $ac_cv_struct_st_blocks = yes; then
288 AC_DEFINE(HAVE_ST_BLOCKS)
291 AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK,
292 [AC_TRY_CPP([#include <sys/stat.h>
296 ac_cv_macro_S_ISLNK=yes,
297 ac_cv_macro_S_ISLNK=no)])
298 if test $ac_cv_macro_S_ISLNK = yes; then
299 AC_DEFINE(HAVE_S_ISLNK)
305 #--------------------------------------------------------------------
307 # Which way does the stack grow?
309 #--------------------------------------------------------------------
311 AC_TRY_RUN(aux (l) unsigned long l;
312 { int x; exit (l >= ((unsigned long)&x)); }
313 main () { int q; aux((unsigned long)&q); },
314 AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
316 AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
317 [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
318 [guile_cv_type_float_fits_long=yes],
319 [guile_cv_type_float_fits_long=no],
320 [guile_cv_type_float_fits_long=guess-yes])])
321 case $guile_cv_type_float_fits_long in
323 AC_DEFINE(SCM_SINGLES)
326 AC_DEFINE(SCM_SINGLES)
327 AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
328 AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
333 AC_MSG_CHECKING(for struct linger)
334 AC_CACHE_VAL(scm_cv_struct_linger,
336 #include <sys/types.h>
337 #include <sys/socket.h>],
338 [struct linger lgr; lgr.l_linger = 100],
339 scm_cv_struct_linger="yes",
340 scm_cv_struct_linger="no"))
341 AC_MSG_RESULT($scm_cv_struct_linger)
342 if test $scm_cv_struct_linger = yes; then
343 AC_DEFINE(HAVE_STRUCT_LINGER)
346 #--------------------------------------------------------------------
348 # Flags for thread support
350 #--------------------------------------------------------------------
352 ### What thread package has the user asked for?
353 AC_ARG_WITH(threads, [ --with-threads thread interface],
356 ### Turn $with_threads into either the name of a threads package, like
357 ### `qt', or `no', meaning that threads should not be supported.
358 AC_MSG_CHECKING(whether to support threads)
359 case "$with_threads" in
360 "yes" | "qt" | "coop" | "")
366 AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
369 AC_MSG_RESULT($with_threads)
371 ## Make sure the threads package we've chosen is actually supported on
372 ## the present platform.
373 case "${with_threads}" in
375 ## This configures the QuickThreads package, and sets or clears
376 ## the THREAD_PACKAGE variable if qthreads don't configure
382 ## If we're using threads, bring in some other parts of Guile which
384 if test "${THREAD_PACKAGE}" != "" ; then
385 AC_DEFINE(USE_THREADS, 1)
387 ## Include the Guile thread interface in the library...
388 LIBOBJS="$LIBOBJS threads.o"
390 ## ... and tell it which package to talk to.
391 case "${THREAD_PACKAGE}" in
393 AC_DEFINE(USE_COOP_THREADS, 1)
396 AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
400 ## Bring in scm_internal_select, if appropriate.
401 if test $ac_cv_func_gettimeofday = yes &&
402 test $ac_cv_func_select = yes; then
403 LIBOBJS="$LIBOBJS iselect.o"
404 AC_DEFINE(GUILE_ISELECT, 1)
408 ## If we're using GCC, ask for aggressive warnings.
411 ## We had -Wstrict-prototypes in here for a bit, but Guile does too
412 ## much stuff with generic function pointers for that to really be
413 ## less than exasperating.
414 CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wmissing-prototypes" ;;
419 ## If we're creating a shared library (using libtool!), then we'll
420 ## need to generate a list of .lo files corresponding to the .o files
421 ## given in LIBOBJS. We'll call it LIBLOBJS.
422 LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
424 AC_SUBST(GUILE_MAJOR_VERSION)
425 AC_SUBST(GUILE_MINOR_VERSION)
426 AC_SUBST(GUILE_VERSION)
428 dnl Tell guile-config what flags guile users should link against.
429 GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
435 AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf 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])
438 dnl comment-start: "dnl "
440 dnl comment-start-skip: "\\bdnl\\b\\s *"