-dnl Process this file with autoconf to produce configure.
+dnl configuration script for Guile
+dnl Process this file with autoconf to produce configure.
+dnl
+dnl Copyright (C) 1998 Free Software Foundation, Inc.
+dnl
+dnl This file is part of GUILE
+dnl
+dnl GUILE is free software; you can redistribute it and/or modify it
+dnl under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 2, or (at your
+dnl option) any later version.
+dnl
+dnl GUILE is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+dnl General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with GUILE; see the file COPYING. If not, write to the
+dnl Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+dnl Boston, MA 02111-1307, USA.
+
AC_INIT(Makefile.in)
. $srcdir/GUILE-VERSION
AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
#
#--------------------------------------------------------------------
-AC_ARG_ENABLE(debug,
-[ --disable-debug Don't include debugging support])
-if test "$enableval" != n && test "$enableval" != no; then
- AC_DEFINE(DEBUG_EXTENSIONS)
- AC_DEFINE(READER_EXTENSIONS)
- LIBOBJS="backtrace.o stacks.o debug.o srcprop.o $LIBOBJS"
-fi
-
AC_ARG_ENABLE(dynamic-linking,
[ --enable-dynamic-linking Include support for dynamic linking],,
enable_dynamic_linking=yes)
AC_DEFINE(GUILE_DEBUG)
fi
+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)
+
#--------------------------------------------------------------------
AC_PROG_CC
AC_ISC_POSIX
AC_MINIX
+AM_PROG_CC_STDC
+
AC_C_CONST
+AC_C_INLINE
AC_HEADER_STDC
AC_HEADER_DIRENT
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
-AC_CHECK_HEADERS(libc.h limits.h malloc.h memory.h string.h regex.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)
+AC_CHECK_HEADERS(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)
GUILE_HEADER_LIBC_WITH_UNISTD
AC_TYPE_GETGROUPS
AC_TYPE_MODE_T
AC_CHECK_LIB(m, main)
-AC_CHECK_LIB(rx, main)
-AC_CHECK_FUNC(gethostbyname)
+AC_CHECK_FUNCS(gethostbyname)
if test $ac_cv_func_gethostbyname = no; then
AC_CHECK_LIB(nsl, gethostbyname)
fi
-AC_CHECK_FUNC(connect)
+AC_CHECK_FUNCS(connect)
if test $ac_cv_func_connect = no; then
AC_CHECK_LIB(socket, connect)
fi
+AC_CHECK_LIB(termcap, tgoto)
+AC_CHECK_LIB(readline, readline)
+AC_CHECK_FUNCS(rl_clear_signals rl_cleanup_after_signal)
+
+AC_CACHE_CHECK([for rl_getc_function pointer in readline],
+ ac_cv_var_rl_getc_function,
+ [AC_TRY_LINK([
+#include <stdio.h>
+#include <readline/readline.h>],
+ [rl_getc_function;],
+ [ac_cv_var_rl_getc_function=yes],
+ [ac_cv_var_rl_getc_function=no])])
+if test "$ac_cv_var_rl_getc_function" = "yes"; then
+ AC_DEFINE(HAVE_RL_GETC_FUNCTION)
+fi
+
+if test $ac_cv_lib_readline_readline = yes -a $ac_cv_var_rl_getc_function = no; then
+ echo 'Warning: libreadline is too old on your system. Need >= 2.1.'
+fi
# Checks for dynamic linking
AC_CHECK_LIB(dl,dlopen)
if test "$ac_cv_lib_dl_dlopen" = "yes"; then
+ AC_CHECK_FUNCS(dlopen)
AC_DEFINE(DYNAMIC_LINKING)
else
AC_CHECK_LIB(dld,dld_link)
AC_CHECK_FUNCS(shl_load)
if test "$ac_cv_func_shl_load" = "yes"; then
AC_DEFINE(DYNAMIC_LINKING)
+else
+AC_CHECK_FUNCS(dlopen)
+if test "$ac_cv_func_dlopen" = "yes"; then
+ AC_DEFINE(DYNAMIC_LINKING)
+fi
fi
fi
fi
fi
+GUILE_DLSYM_USCORE
+
+AC_CHECK_FUNCS(ctermid ftime getcwd geteuid gethostent 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)
+
+### Some systems don't declare some functions. On such systems, we
+### need to at least provide our own K&R-style declarations.
-AC_CHECK_FUNCS(ctermid ftime getcwd geteuid gethostent gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid)
+### GUILE_FUNC_DECLARED(function, headerfile)
+
+### Check for a declaration of FUNCTION in HEADERFILE; if it is
+### not there, #define MISSING_FUNCTION_DECL.
+AC_DEFUN(GUILE_FUNC_DECLARED, [
+ AC_CACHE_CHECK(for $1 declaration, guile_cv_func_$1_declared,
+ AC_EGREP_HEADER($1, $2,
+ guile_cv_func_$1_declared=yes,
+ guile_cv_func_$1_declared=no))
+ if test [x$guile_cv_func_]$1[_declared] = xno; then
+ AC_DEFINE([MISSING_]translit($1, [a-z], [A-Z])[_DECL])
+ fi
+])
+
+GUILE_FUNC_DECLARED(strptime, time.h)
+GUILE_FUNC_DECLARED(bzero, string.h)
+GUILE_FUNC_DECLARED(sleep, unistd.h)
+GUILE_FUNC_DECLARED(usleep, unistd.h)
+
+### On some systems usleep has no return value. If it does have one,
+### we'd like to return it; otherwise, we'll fake it.
+AC_CACHE_CHECK([return type of usleep], guile_cv_func_usleep_return_type,
+ [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
+ /usr/include/unistd.h,
+ [guile_cv_func_usleep_return_type=void],
+ [guile_cv_func_usleep_return_type=int])])
+case "$guile_cv_func_usleep_return_type" in
+ "void" )
+ AC_DEFINE(USLEEP_RETURNS_VOID)
+ ;;
+esac
dnl <GNU-WIN32 hacks>
AC_DEFINE(HAVE_RESTARTS)
fi
-if test "$ac_cv_header_regex_h" = yes; then
- AC_CHECK_FUNCS(regcomp, [LIBOBJS="regex-posix.o $LIBOBJS"])
+if test "$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
AC_REPLACE_FUNCS(inet_aton putenv strerror)
main () { int q; aux((unsigned long)&q); },
AC_DEFINE(SCM_STACK_GROWS_UP),,AC_MSG_WARN(Guessing that stack grows down -- see scmconfig.h.in))
+AC_CACHE_CHECK([whether floats fit in longs], guile_cv_type_float_fits_long,
+ [AC_TRY_RUN([main () { exit (sizeof(float) > sizeof(long)); }],
+ [guile_cv_type_float_fits_long=yes],
+ [guile_cv_type_float_fits_long=no],
+ [guile_cv_type_float_fits_long=guess-yes])])
+case $guile_cv_type_float_fits_long in
+ "yes" )
+ AC_DEFINE(SCM_SINGLES)
+ ;;
+ "guess-yes" )
+ AC_DEFINE(SCM_SINGLES)
+ AC_MSG_WARN([guessing that sizeof(long) == sizeof(float)])
+ AC_MSG_WARN([see SCM_SINGLES in scmconfig.h.in])
+ ;;
+esac
-AC_TRY_RUN(main () { exit (sizeof(float) != sizeof(long)); },
- AC_DEFINE(SCM_SINGLES),,AC_DEFINE(SCM_SINGLES)
- AC_MSG_WARN(Guessing that sizeof(long) == sizeof(float) -- see scmconfig.h.in))
AC_MSG_CHECKING(for struct linger)
AC_CACHE_VAL(scm_cv_struct_linger,
AC_TRY_COMPILE([#include <stdio.h>],
[stdout->_file = 1],
scm_cv_fd_setter="_file",
+ AC_TRY_COMPILE([#include <stdio.h>],
+ [stdout->__file = 1],
+ scm_cv_fd_setter="__file",
AC_TRY_COMPILE([#include <stdio.h>],
[stdout->_fileno = 1],
scm_cv_fd_setter="_fileno",
- scm_cv_fd_setter="")))
+ scm_cv_fd_setter=""))))
if test "$scm_cv_fd_setter"; then
AC_MSG_RESULT($scm_cv_fd_setter)
# How to find out whether a FILE structure contains buffered data.
# From Tk we have the following list:
# _cnt: Most UNIX systems
-# __cnt: HPUX
+# __cnt: HPUX and SCO
# _r: BSD
# readCount: Sprite
# Or, in GNU libc there are two fields, _gptr and _egptr, which
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_cnt = 0],
scm_cv_struct_file_count="_cnt",
+ AC_TRY_COMPILE([#include <stdio.h>],
+ [FILE *f = stdin; f->__cnt = 0],
+ scm_cv_struct_file_count="__cnt",
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_r = 0],
scm_cv_struct_file_count="_r",
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->readCount = 0],
scm_cv_struct_file_count="readCount",
- scm_cv_struct_file_count=""))))
+ scm_cv_struct_file_count="")))))
if test "$scm_cv_struct_file_count"; then
AC_MSG_RESULT($scm_cv_struct_file_count)
AC_DEFINE_UNQUOTED(FILE_CNT_FIELD, $scm_cv_struct_file_count)
#
#--------------------------------------------------------------------
-CY_AC_WITH_THREADS
-CFLAGS="$CFLAGS $cy_cv_threads_cflags"
-THREAD_LIBS="$cy_cv_threads_libs"
-AC_SUBST(THREAD_LIBS)
+### What thread package has the user asked for?
+AC_ARG_WITH(threads, [ --with-threads thread interface],
+ , with_threads=no)
+
+### Turn $with_threads into either the name of a threads package, like
+### `qt', or `no', meaning that threads should not be supported.
+AC_MSG_CHECKING(whether to support threads)
+case "$with_threads" in
+ "yes" | "qt" | "coop" | "")
+ with_threads=qt
+ ;;
+ "no" )
+ ;;
+ * )
+ AC_MSG_ERROR(invalid value for --with-threads: $with_threads)
+ ;;
+esac
+AC_MSG_RESULT($with_threads)
+
+## Make sure the threads package we've chosen is actually supported on
+## the present platform.
+case "${with_threads}" in
+ "qt" )
+ ## This configures the QuickThreads package, and sets or clears
+ ## the THREAD_PACKAGE variable if qthreads don't configure
+ ## correctly.
+ QTHREADS_CONFIGURE
+ ;;
+esac
-dnl
-dnl Set the appropriate flags!
-dnl
-if test "$cy_cv_threads_package" = FSU; then
- AC_DEFINE(USE_FSU_PTHREADS, 1)
- else if test "$cy_cv_threads_package" = COOP; then
- AC_DEFINE(USE_COOP_THREADS, 1)
- else if test "$cy_cv_threads_package" = MIT; then
- AC_DEFINE(USE_MIT_PTHREADS, 1)
- else if test "$cy_cv_threads_package" = PCthreads; then
- AC_DEFINE(USE_PCTHREADS_PTHREADS, 1)
- else if test "$cy_cv_threads_package" = unknown; then
- AC_MSG_ERROR("cannot find threads installation")
- fi
- fi
- fi
- fi
-fi
+## If we're using threads, bring in some other parts of Guile which
+## work with them.
+if test "${THREAD_PACKAGE}" != "" ; then
+ AC_DEFINE(USE_THREADS, 1)
-if test "$cy_cv_threads_package" != ""; then
- AC_DEFINE(USE_THREADS)
+ ## Include the Guile thread interface in the library...
LIBOBJS="$LIBOBJS threads.o"
+
+ ## ... and tell it which package to talk to.
+ case "${THREAD_PACKAGE}" in
+ "QT" )
+ AC_DEFINE(USE_COOP_THREADS, 1)
+ ;;
+ * )
+ AC_MSG_ERROR(invalid value for THREAD_PACKAGE: ${THREAD_PACKAGE})
+ ;;
+ esac
+
+ ## 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
## If we're using GCC, ask for aggressive warnings.
case "$GCC" in
- yes ) CFLAGS="$CFLAGS -Wall -Wpointer-arith" ;;
+ yes )
+ ## 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="$CFLAGS -Wall -Wpointer-arith -Wmissing-prototypes" ;;
esac
AC_PROG_AWK
AC_SUBST(GUILE_MINOR_VERSION)
AC_SUBST(GUILE_VERSION)
+dnl Tell guile-config what flags guile users should link against.
+GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
+AC_SUBST(GUILE_LIBS)
+
dnl timestamping the interpreter and scheme libraries:
dnl
dnl Help us notice when we're running one version of the Guile
AC_SUBST(AWK)
AC_SUBST(LIBLOBJS)
-
-dnl ======================================================================
-dnl configuration for the Qt package
-dnl ======================================================================
-
-threads_enabled=false
-if test "$cy_cv_threads_package" = COOP; then
- threads_enabled=true
-fi
-
-# Determine the host we are working on
-AC_CANONICAL_HOST
-
-# How can we refer to the qt source directory from within the qt build
-# directory? For headers, we can rely on the fact that the qt src
-# directory appears in the #include path.
-
-qtsrcdir="`(cd $srcdir; pwd)`/qt"
-
-changequote(,)dnl We use [ and ] in a regexp in the case
-case "$host" in
-i[3456]86-*-*)
- qtmds_s=$qtsrcdir/md/i386.s
- qtmd_h=md/i386.h
- qtmdc_c=$qtsrcdir/md/null.c
- ;;
-mips-sgi-irix5*)
- qtmds_s=$qtsrcdir/md/mips-irix5.s
- qtmd_h=md/mips.h
- qtmdc_c=$qtsrcdir/md/null.c
- qtdmdb_s=$qtsrcdir/md/mips_b.s
- ;;
-mips-*-*)
- qtmds_s=$qtsrcdir/md/mips.s
- qtmd_h=md/mips.h
- qtmdc_c=$qtsrcdir/md/null.c
- qtdmdb_s=$qtsrcdir/md/mips_b.s
- ;;
-sparc-*-sunos*)
- qtmd_h=md/sparc.h
- qtmdc_c=$qtsrcdir/md/null.c
- qtmds_s=$qtsrcdir/md/_sparc.s
- qtdmdb_s=$qtsrcdir/md/_sparc_b.s
- ;;
-sparc-*-*)
- qtmd_h=md/sparc.h
- qtmdc_c=$qtsrcdir/md/null.c
- qtmds_s=$qtsrcdir/md/sparc.s
- qtdmdb_s=$qtsrcdir/md/sparc_b.s
- ;;
-*)
- echo "Unknown configuration; threads package disabled"
- threads_enabled=false
- ;;
-esac
-changequote([, ])
-
-
-if $threads_enabled; then
- target_libs=libqt.a
-else
- target_libs=
-fi
-
-# Give the Makefile the names of the object files that will be
-# generated by compiling $qtmdc_c and $qtmds_s.
-qtmdc_o="`echo ${qtmdc_c} | sed -e 's:^.*/::' | sed -e 's:\.c$:\.o:'`"
-qtmds_o="`echo ${qtmds_s} | sed -e 's:^.*/::' | sed -e 's:\.s$:\.o:'`"
-
-AC_SUBST(target_libs)
-AC_SUBST(qtmd_h)
-AC_SUBST(qtmdc_c)
-AC_SUBST(qtmdc_o)
-AC_SUBST(qtmds_s)
-AC_SUBST(qtmds_o)
-AC_SUBST(qtmdb_s)
-
-AC_OUTPUT([Makefile libguile/Makefile libguile/guile-snarf ice-9/Makefile ice-9/version.scm qt/Makefile qt/qt.h qt/md/Makefile qt/time/Makefile], [chmod +x libguile/guile-snarf])
+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])
dnl Local Variables:
dnl comment-start: "dnl "