dnl configuration script for Guile
dnl Process this file with autoconf to produce configure.
dnl
-dnl Copyright (C) 1998, 1999 Free Software Foundation, Inc.
+dnl Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
dnl
dnl This file is part of GUILE
dnl
#
#--------------------------------------------------------------------
-AC_ARG_ENABLE(dynamic-linking,
- [ --enable-dynamic-linking Include support for dynamic linking],,
- enable_dynamic_linking=yes)
-
AC_ARG_ENABLE(guile-debug,
- [ --enable-guile-debug Include internal debugging functions],
+ [ --enable-guile-debug include internal debugging functions],
if test "$enable_guile_debug" = y || test "$enable_guile_debug" = yes; then
AC_DEFINE(GUILE_DEBUG)
fi)
+AC_ARG_ENABLE(debug-freelist,
+ [ --enable-debug-freelist Include garbage collector freelist debugging code],
+ if test "$enable_debug_freelist" = y || test "$enable_debug_freelist" = yes; then
+ AC_DEFINE(GUILE_DEBUG_FREELIST)
+ fi)
+
+AC_ARG_ENABLE(debug-malloc,
+ [ --enable-debug-malloc Include malloc debugging code],
+ if test "$enable_debug_malloc" = y || test "$enable_debug_malloc" = yes; then
+ AC_DEFINE(GUILE_DEBUG_MALLOC)
+ fi)
+
+AC_ARG_ENABLE(arrays,
+ [ --disable-arrays omit array and uniform array support],,
+ enable_arrays=yes)
+
+AC_ARG_ENABLE(posix,
+ [ --disable-posix omit posix interfaces],,
+ enable_posix=yes)
+
+AC_ARG_ENABLE(networking,
+ [ --disable-networking omit networking interfaces],,
+ enable_networking=yes)
+
+AC_ARG_ENABLE(regex,
+ [ --disable-regex omit regular expression interfaces],,
+ enable_regex=yes)
+
dnl The --disable-debug used to control these two. But now they are
dnl a required part of the distribution.
AC_DEFINE(DEBUG_EXTENSIONS)
AC_DEFINE(READER_EXTENSIONS)
+dnl files which are destined for separate modules.
+
+if test "$enable_arrays" = yes; then
+ LIBOBJS="$LIBOBJS ramap.o unif.o"
+ AC_DEFINE(HAVE_ARRAYS)
+fi
+
+if test "$enable_posix" = yes; then
+ LIBOBJS="$LIBOBJS filesys.o posix.o"
+ AC_DEFINE(HAVE_POSIX)
+fi
+
+if test "$enable_networking" = yes; then
+ LIBOBJS="$LIBOBJS net_db.o socket.o"
+ AC_DEFINE(HAVE_NETWORKING)
+fi
+
+if test "$enable_debug_malloc" = yes; then
+ LIBOBJS="$LIBOBJS debug-malloc.o"
+fi
+
#--------------------------------------------------------------------
+AC_LIBLTDL_CONVENIENCE
+AC_CONFIG_SUBDIRS(libltdl)
+
AC_PROG_CC
AC_PROG_CPP
-AM_PROG_LIBTOOL
+AC_LIBTOOL_DLOPEN
AC_AIX
AC_ISC_POSIX
AC_MINIX
AM_PROG_CC_STDC
+AM_PROG_LIBTOOL
AC_C_CONST
AC_C_INLINE
AC_CHECK_LIB(socket, connect)
fi
-# Checks for dynamic linking
-
-if test "$enable_dynamic_linking" = "yes"; then
+# Check for dynamic linking
-AC_CHECK_LIB(dl,dlopen)
-if test "$ac_cv_lib_dl_dlopen" = "yes"; then
- AC_CHECK_FUNCS(dlopen)
- AC_DEFINE(DYNAMIC_LINKING)
-else
-AC_CHECK_LIB(dld,dld_link)
-if test "$ac_cv_lib_dld_dld_link" = "yes"; then
- AC_DEFINE(DYNAMIC_LINKING)
-else
-AC_CHECK_FUNCS(shl_load)
-if test "$ac_cv_func_shl_load" = "yes"; then
+use_modules=yes
+AC_ARG_WITH(modules,
+[ --with-modules[=FILES] Add support for dynamic modules],
+use_modules="$withval")
+test -z "$use_modules" && use_modules=yes
+DLPREOPEN=
+if test "$use_modules" != no; then
AC_DEFINE(DYNAMIC_LINKING)
-else
-AC_CHECK_FUNCS(dlopen)
-if test "$ac_cv_func_dlopen" = "yes"; then
- AC_DEFINE(DYNAMIC_LINKING)
-fi
-fi
-fi
-fi
-
+ if test "$use_modules" = yes; then
+ DLPREOPEN="-dlpreopen force"
+ else
+ DLPREOPEN="-export-dynamic"
+ for module in $use_modules; do
+ DLPREOPEN="$DLPREOPEN -dlopen $module"
+ done
+ fi
fi
+AC_SUBST(INCLTDL)
+AC_SUBST(LIBLTDL)
+AC_SUBST(DLPREOPEN)
-GUILE_DLSYM_USCORE
-
-AC_CHECK_FUNCS(ctermid ftime getcwd geteuid gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid bzero strdup system usleep memmove bcopy)
+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)
### Some systems don't declare some functions. On such systems, we
### need to at least provide our own K&R-style declarations.
dnl restore confdefs.h
dnl cp confdefs.h confdefs.h.bak
-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
+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
dnl cp confdefs.h.bak confdefs.h
dnl cat >> confdefs.h << EOF
dnl #ifdef __CYGWIN32__
setnetent getnetent endnetent dnl
setprotoent getprotoent endprotoent dnl
setservent getservent endservent dnl
- getnetbyaddr getnetbyname inet_lnaof inet_makeaddr inet_netof)
+ getnetbyaddr getnetbyname dnl
+ inet_lnaof inet_makeaddr inet_netof hstrerror)
dnl </GNU-WIN32 hacks>
-AC_CACHE_CHECK([for restartable system calls], scm_cv_restarts,
- if test $ac_cv_func_sigaction = yes; then
- [AC_TRY_COMPILE([#include <signal.h>],
- [int a = SA_RESTART],
- scm_cv_restarts=yes,
- scm_cv_restarts=no)]
- else
- scm_cv_restarts=no
- fi)
-if test $scm_cv_restarts = yes; then
- AC_DEFINE(HAVE_RESTARTS)
+AC_MSG_CHECKING(whether localtime caches TZ)
+AC_CACHE_VAL(guile_cv_localtime_cache,
+[if test x$ac_cv_func_tzset = xyes; then
+AC_TRY_RUN([#include <time.h>
+#if STDC_HEADERS
+# include <stdlib.h>
+#endif
+extern char **environ;
+unset_TZ ()
+{
+ char **from, **to;
+ for (to = from = environ; (*to = *from); from++)
+ if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
+ to++;
+}
+char TZ_GMT0[] = "TZ=GMT0";
+char TZ_PST8[] = "TZ=PST8";
+main()
+{
+ time_t now = time ((time_t *) 0);
+ int hour_GMT0, hour_unset;
+ if (putenv (TZ_GMT0) != 0)
+ exit (1);
+ hour_GMT0 = localtime (&now)->tm_hour;
+ unset_TZ ();
+ hour_unset = localtime (&now)->tm_hour;
+ if (putenv (TZ_PST8) != 0)
+ exit (1);
+ if (localtime (&now)->tm_hour == hour_GMT0)
+ exit (1);
+ unset_TZ ();
+ if (localtime (&now)->tm_hour != hour_unset)
+ exit (1);
+ exit (0);
+}], guile_cv_localtime_cache=no, guile_cv_localtime_cache=yes,
+[# If we have tzset, assume the worst when cross-compiling.
+guile_cv_localtime_cache=yes])
+else
+ # If we lack tzset, report that localtime does not cache TZ,
+ # since we can't invalidate the cache if we don't have tzset.
+ guile_cv_localtime_cache=no
+fi])dnl
+AC_MSG_RESULT($guile_cv_localtime_cache)
+if test $guile_cv_localtime_cache = yes; then
+ AC_DEFINE(LOCALTIME_CACHE)
fi
-if test "$ac_cv_header_regex_h" = yes ||
- test "$ac_cv_header_rxposix_h" = yes ||
- test "$ac_cv_header_rx_rxposix_h" = yes; then
- GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
- [AC_CHECK_LIB(rx, main)
- GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
- )
- dnl The following should not be necessary, but for some reason
- dnl autoheader misses it if we don't include it!
- if test "$ac_cv_func_regcomp_norx" = yes ||
- test "$ac_cv_func_regcomp_rx" = yes; then
- AC_DEFINE(HAVE_REGCOMP)
- fi
+dnl Test whether system calls are restartable by default on the
+dnl current system. If they are not, we put a loop around every system
+dnl call to check for EINTR (see SCM_SYSCALL) and do not attempt to
+dnl change from the default behaviour. On the other hand, if signals
+dnl are restartable then the loop is not installed and when libguile
+dnl initialises it also resets the behaviour of each signal to cause a
+dnl restart (in case a different runtime had a different default
+dnl behaviour for some reason: e.g., different versions of linux seem
+dnl to behave differently.)
+
+AC_SYS_RESTARTABLE_SYSCALLS
+
+if test "$enable_regex" = yes; then
+ if test "$ac_cv_header_regex_h" = yes ||
+ test "$ac_cv_header_rxposix_h" = yes ||
+ test "$ac_cv_header_rx_rxposix_h" = yes; then
+ GUILE_NAMED_CHECK_FUNC(regcomp, norx, [LIBOBJS="regex-posix.o $LIBOBJS"],
+ [AC_CHECK_LIB(rx, main)
+ GUILE_NAMED_CHECK_FUNC(regcomp, rx, [LIBOBJS="regex-posix.o $LIBOBJS"])]
+ )
+ dnl The following should not be necessary, but for some reason
+ dnl autoheader misses it if we don't include it!
+ if test "$ac_cv_func_regcomp_norx" = yes ||
+ test "$ac_cv_func_regcomp_rx" = yes; then
+ AC_DEFINE(HAVE_REGCOMP)
+ fi
+ fi
fi
-AC_REPLACE_FUNCS(inet_aton putenv strerror)
+AC_REPLACE_FUNCS(inet_aton putenv strerror memmove)
# When testing for the presence of alloca, we need to add alloca.o
# explicitly to LIBOBJS to make sure that it is translated to
if test $scm_cv_struct_linger = yes; then
AC_DEFINE(HAVE_STRUCT_LINGER)
fi
-
-#--------------------------------------------------------------------
-#
-# How can you violate a stdio abstraction by setting a stream's fd?
-#
-#--------------------------------------------------------------------
-
-dnl AC_MSG_CHECKING(how to set a stream file descriptor)
-dnl AC_CACHE_VAL(scm_cv_fd_setter,
-dnl AC_TRY_COMPILE([#include <stdio.h>],
-dnl [stdout->_file = 1],
-dnl scm_cv_fd_setter="_file",
-dnl AC_TRY_COMPILE([#include <stdio.h>],
-dnl [stdout->__file = 1],
-dnl scm_cv_fd_setter="__file",
-dnl AC_TRY_COMPILE([#include <stdio.h>],
-dnl [stdout->_fileno = 1],
-dnl scm_cv_fd_setter="_fileno",
-dnl scm_cv_fd_setter=""))))
-
-dnl if test "$scm_cv_fd_setter"; then
-dnl AC_MSG_RESULT($scm_cv_fd_setter)
-dnl AC_DEFINE_UNQUOTED(FD_SETTER, $scm_cv_fd_setter)
-dnl else
-dnl AC_MSG_RESULT(we couldn't do it!)
-dnl fi
-#--------------------------------------------------------------------
-# How to find out whether a FILE structure contains buffered data.
-# From Tk we have the following list:
-# _cnt: Most UNIX systems
-# __cnt: HPUX and SCO
-# _r: BSD
-# readCount: Sprite
-# Or, in GNU libc there are two fields, _gptr and _egptr, which
-# have to be compared.
-# These can also be known as _IO_read_ptr and _IO_read_end.
-#--------------------------------------------------------------------
-dnl AC_MSG_CHECKING(how to get buffer char count from FILE structure)
-dnl AC_CACHE_VAL(scm_cv_struct_file_count,
-dnl AC_TRY_COMPILE([#include <stdio.h>],
-dnl [FILE *f = stdin; f->_cnt = 0],
-dnl scm_cv_struct_file_count="_cnt",
-dnl AC_TRY_COMPILE([#include <stdio.h>],
-dnl [FILE *f = stdin; f->__cnt = 0],
-dnl scm_cv_struct_file_count="__cnt",
-dnl AC_TRY_COMPILE([#include <stdio.h>],
-dnl [FILE *f = stdin; f->_r = 0],
-dnl scm_cv_struct_file_count="_r",
-dnl AC_TRY_COMPILE([#include <stdio.h>],
-dnl [FILE *f = stdin; f->readCount = 0],
-dnl scm_cv_struct_file_count="readCount",
-dnl scm_cv_struct_file_count="")))))
-dnl if test "$scm_cv_struct_file_count"; then
-dnl AC_MSG_RESULT($scm_cv_struct_file_count)
-dnl AC_DEFINE_UNQUOTED(FILE_CNT_FIELD, $scm_cv_struct_file_count)
-dnl else
-dnl AC_CACHE_VAL(scm_cv_struct_file_gptr,
-dnl AC_TRY_COMPILE([#include <stdio.h>],
-dnl [FILE *f = stdin; f->_gptr = f->egptr;],
-dnl scm_cv_struct_file_gptr=1,
-dnl scm_cv_struct_file_gptr=""))
-dnl if test "$scm_cv_struct_gptr"; then
-dnl AC_MSG_RESULT(gptr)
-dnl AC_DEFINE_UNQUOTED(FILE_CNT_GPTR, $scm_cv_struct_file_gptr)
-dnl else
-dnl AC_CACHE_VAL(scm_cv_struct_file_readptr,
-dnl AC_TRY_COMPILE([#include <stdio.h>],
-dnl [FILE *f = stdin; f->_IO_read_ptr = f->_IO_read_end;],
-dnl scm_cv_struct_file_readptr=1))
-dnl if test "$scm_cv_struct_file_readptr"; then
-dnl AC_MSG_RESULT(read_ptr)
-dnl AC_DEFINE_UNQUOTED(FILE_CNT_READPTR, $scm_cv_struct_file_readptr)
-dnl else
-dnl AC_MSG_RESULT(we couldn't do it!)
-dnl fi
-dnl fi
-dnl fi
+AC_MSG_CHECKING(for struct timespec)
+AC_CACHE_VAL(scm_cv_struct_timespec,
+ AC_TRY_COMPILE([
+#include <time.h>],
+ [struct timespec t; t.tv_nsec = 100],
+ scm_cv_struct_timespec="yes",
+ scm_cv_struct_timespec="no"))
+AC_MSG_RESULT($scm_cv_struct_timespec)
+if test $scm_cv_struct_timespec = yes; then
+ AC_DEFINE(HAVE_STRUCT_TIMESPEC)
+fi
#--------------------------------------------------------------------
#
## Bring in scm_internal_select, if appropriate.
if test $ac_cv_func_gettimeofday = yes &&
test $ac_cv_func_select = yes; then
- LIBOBJS="$LIBOBJS iselect.o"
AC_DEFINE(GUILE_ISELECT, 1)
fi
-fi
+ ## Workaround for linuxthreads (currently disabled)
+ if test $host_os = linux-gnu; then
+ AC_DEFINE(GUILE_PTHREAD_COMPAT, 1)
+ AC_CHECK_LIB(pthread, main)
+ fi
+fi
## If we're using GCC, ask for aggressive warnings.
case "$GCC" in
## We had -Wstrict-prototypes in here for a bit, but Guile does too
## much stuff with generic function pointers for that to really be
## less than exasperating.
- CFLAGS="$CFLAGS -Wall -Wpointer-arith -Wmissing-prototypes" ;;
+ ## -Wpointer-arith was here too, but something changed in gcc/glibc
+ ## and it became equally exasperating (gcc 2.95 and/or glibc 2.1.2).
+ CFLAGS="$CFLAGS -Wall -Wmissing-prototypes" ;;
esac
AC_PROG_AWK
AC_SUBST(GUILE_MAJOR_VERSION)
AC_SUBST(GUILE_MINOR_VERSION)
AC_SUBST(GUILE_VERSION)
+AC_SUBST(LIBGUILE_MAJOR_VERSION)
+AC_SUBST(LIBGUILE_MINOR_VERSION)
+AC_SUBST(LIBGUILE_REVISION_VERSION)
+AC_SUBST(LIBGUILE_VERSION)
dnl Tell guile-config what flags guile users should link against.
GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
AC_SUBST(GUILE_LIBS)
-dnl timestamping the interpreter and scheme libraries:
-dnl
-dnl Help us notice when we're running one version of the Guile
-dnl interpreter against a different version of the ice-9 Scheme code.
-dnl This will definitely detect version skew due to differing
-dnl snapshots and releases, but may not catch skew for the developers.
-dnl Hopefully it will not detect skew when there is none; if that
-dnl happens, the warnings will be useless, and we should remove this.
-GUILE_STAMP="`date`"
-AC_SUBST(GUILE_STAMP)
-
AC_SUBST(AWK)
AC_SUBST(LIBLOBJS)
-AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf libguile/versiondat.h ice-9/Makefile ice-9/version.scm qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile guile-config/Makefile doc/Makefile], [chmod +x libguile/guile-snarf])
+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])
dnl Local Variables:
dnl comment-start: "dnl "
HCoop / bpt / guile.git / blobdiff