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($func)
240 dnl cp confdefs.h.bak confdefs.h
242 AC_CHECK_FUNCS(sethostent gethostent endhostent dnl
243 setnetent getnetent endnetent dnl
244 setprotoent getprotoent endprotoent dnl
245 setservent getservent endservent dnl
246 getnetbyaddr getnetbyname dnl
247 inet_lnaof inet_makeaddr inet_netof hstrerror)
249 dnl </GNU-WIN32 hacks>
251 dnl Test whether system calls are restartable by default on the
252 dnl current system. If they are not, we put a loop around every system
253 dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
254 dnl change from the default behaviour. On the other hand, if signals
255 dnl are restartable then the loop is not installed and when libguile
256 dnl initialises it also resets the behaviour of each signal to cause a
257 dnl restart (in case a different runtime had a different default
258 dnl behaviour for some reason: e.g., different versions of linux seem
259 dnl to behave differently.)
261 AC_SYS_RESTARTABLE_SYSCALLS
263 if test "$enable_regex" = yes; then
264 if test "$ac_cv_header_regex_h" = yes ||
265 test "$ac_cv_header_rxposix_h" = yes ||
266 test "$ac_cv_header_rx_rxposix_h" = yes; then
267 GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
268 [AC_CHECK_LIB(rx, main)
269 GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
271 dnl The following should not be necessary, but for some reason
272 dnl autoheader misses it if we don't include it!
273 if test "$ac_cv_func_regcomp_norx" = yes ||
274 test "$ac_cv_func_regcomp_rx" = yes; then
275 AC_DEFINE(HAVE_REGCOMP)
280 AC_REPLACE_FUNCS(inet_aton putenv strerror memmove)
282 # When testing for the presence of alloca, we need to add alloca.o
283 # explicitly to LIBOBJS to make sure that it is translated to
284 # `alloca.lo' for libtool later on. This can and should be done more cleanly.
286 if test "$ALLOCA" = "alloca.o"; then LIBOBJS="alloca.o $LIBOBJS"; fi
291 # We could use AC_STRUCT_ST_BLOCKS here, but that adds fileblocks.o to
292 # LIBOBJS, which we don't need. This seems more direct.
293 AC_CACHE_CHECK([for st_blocks in struct stat], ac_cv_struct_st_blocks,
294 [AC_TRY_COMPILE([#include <sys/types.h>
295 #include <sys/stat.h>], [struct stat s; s.st_blocks;],
296 ac_cv_struct_st_blocks=yes, ac_cv_struct_st_blocks=no)])
297 if test $ac_cv_struct_st_blocks = yes; then
298 AC_DEFINE(HAVE_ST_BLOCKS)
301 AC_CACHE_CHECK([for S_ISLNK in sys/stat.h], ac_cv_macro_S_ISLNK,
302 [AC_TRY_CPP([#include <sys/stat.h>
306 ac_cv_macro_S_ISLNK=yes,
307 ac_cv_macro_S_ISLNK=no)])
308 if test $ac_cv_macro_S_ISLNK = yes; then
309 AC_DEFINE(HAVE_S_ISLNK)
315 #--------------------------------------------------------------------
317 # Which way does the stack grow?
319 #--------------------------------------------------------------------
321 AC_TRY_RUN(aux (l) unsigned long l;
322 { int x; exit (l >= ((unsigned long)&x)); }
323 main () { int q; aux((unsigned long)&q); },
324 AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
326 AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
327 [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
328 [guile_cv_type_float_fits_long=yes],
329 [guile_cv_type_float_fits_long=no],
330 [guile_cv_type_float_fits_long=guess-yes])])
331 case $guile_cv_type_float_fits_long in
333 AC_DEFINE(SCM_SINGLES)
336 AC_DEFINE(SCM_SINGLES)
337 AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
338 AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
343 AC_MSG_CHECKING(for struct linger)
344 AC_CACHE_VAL(scm_cv_struct_linger,
346 #include <sys/types.h>
347 #include <sys/socket.h>],
348 [struct linger lgr; lgr.l_linger = 100],
349 scm_cv_struct_linger="yes",
350 scm_cv_struct_linger="no"))
351 AC_MSG_RESULT($scm_cv_struct_linger)
352 if test $scm_cv_struct_linger = yes; then
353 AC_DEFINE(HAVE_STRUCT_LINGER)
356 #--------------------------------------------------------------------
358 # Flags for thread support
360 #--------------------------------------------------------------------
362 ### What thread package has the user asked for?
363 AC_ARG_WITH(threads, [ --with-threads thread interface],
366 ### Turn $with_threads into either the name of a threads package, like
367 ### `qt', or `no', meaning that threads should not be supported.
368 AC_MSG_CHECKING(whether to support threads)
369 case "$with_threads" in
370 "yes" | "qt" | "coop" | "")
376 AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
379 AC_MSG_RESULT($with_threads)
381 ## Make sure the threads package we've chosen is actually supported on
382 ## the present platform.
383 case "${with_threads}" in
385 ## This configures the QuickThreads package, and sets or clears
386 ## the THREAD_PACKAGE variable if qthreads don't configure
392 ## If we're using threads, bring in some other parts of Guile which
394 if test "${THREAD_PACKAGE}" != "" ; then
395 AC_DEFINE(USE_THREADS, 1)
397 ## Include the Guile thread interface in the library...
398 LIBOBJS="$LIBOBJS threads.o"
400 ## ... and tell it which package to talk to.
401 case "${THREAD_PACKAGE}" in
403 AC_DEFINE(USE_COOP_THREADS, 1)
406 AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
410 ## Bring in scm_internal_select, if appropriate.
411 if test $ac_cv_func_gettimeofday = yes &&
412 test $ac_cv_func_select = yes; then
413 LIBOBJS="$LIBOBJS iselect.o"
414 AC_DEFINE(GUILE_ISELECT, 1)
418 ## If we're using GCC, ask for aggressive warnings.
421 ## We had -Wstrict-prototypes in here for a bit, but Guile does too
422 ## much stuff with generic function pointers for that to really be
423 ## less than exasperating.
424 ## -Wpointer-arith was here too, but something changed in gcc/glibc
425 ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
426 CFLAGS="$CFLAGS -Wall -Wmissing-prototypes" ;;
431 ## If we're creating a shared library (using libtool!), then we'll
432 ## need to generate a list of .lo files corresponding to the .o files
433 ## given in LIBOBJS. We'll call it LIBLOBJS.
434 LIBLOBJS="`echo ${LIBOBJS} | sed 's/\.o/.lo/g'`"
436 AC_SUBST(GUILE_MAJOR_VERSION)
437 AC_SUBST(GUILE_MINOR_VERSION)
438 AC_SUBST(GUILE_VERSION)
440 dnl Tell guile-config what flags guile users should link against.
441 GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
447 AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf libguile/guile-doc-snarf libguile/guile-doc-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])
450 dnl comment-start: "dnl "
452 dnl comment-start-skip: "\\bdnl\\b\\s *"