-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
fi
AC_CHECK_LIB(termcap, tgoto)
AC_CHECK_LIB(readline, readline)
-AC_CHECK_FUNCS(rl_getc_function rl_clear_signals rl_cleanup_after_signal)
-if test $ac_cv_lib_readline_readline = yes -a $ac_cv_func_rl_getc_function = no; then
+AC_CHECK_FUNCS(rl_clear_signals rl_cleanup_after_signal)
+
+AC_CACHE_CHECK([for rl_getc_function pointer in readline],
+ ac_cv_var_rl_getc_function,
+ [AC_TRY_LINK([
+#include <stdio.h>
+#include <readline/readline.h>],
+ [rl_getc_function;],
+ [ac_cv_var_rl_getc_function=yes],
+ [ac_cv_var_rl_getc_function=no])])
+if test "$ac_cv_var_rl_getc_function" = "yes"; then
+ AC_DEFINE(HAVE_RL_GETC_FUNCTION)
+fi
+
+if test $ac_cv_lib_readline_readline = yes -a $ac_cv_var_rl_getc_function = no; then
echo 'Warning: libreadline is too old on your system. Need >= 2.1.'
fi
AC_CHECK_FUNCS(ctermid ftime getcwd geteuid gethostent gettimeofday lstat mkdir mknod nice readlink rename rmdir select setegid seteuid setlocale setpgid setsid sigaction strftime strptime symlink sync tcgetpgrp tcsetpgrp times uname waitpid bzero strdup system usleep)
-# Determine the host we are working on
-AC_CANONICAL_HOST
+### Some systems don't declare some functions. On such systems, we
+### need to at least provide our own K&R-style declarations.
+
+### GUILE_FUNC_DECLARED(function, headerfile)
-# Some operating systems don't declare all functions
-case "$host_os" in
- solaris2.5*)
- AC_DEFINE(DECLARE_BZERO)
- AC_DEFINE(DECLARE_USLEEP)
+### 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
-# On some systems usleep has no return value
-AC_EGREP_HEADER(changequote(<, >)<void[ ][ ]*usleep>changequote([, ]),
- /usr/include/unistd.h,
- AC_DEFINE(USLEEP_RETURNS_VOID)
-)
-
-
dnl <GNU-WIN32 hacks>
AC_CHECK_HEADER(sys/un.h, have_sys_un_h=1)
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, $scm_cv_struct_file_count)
## If we're using GCC, ask for aggressive warnings.
case "$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 build-guile what flags guile users should link against.
+dnl Tell guile-config what flags guile users should link against.
GUILE_LIBS="$LDFLAGS $THREAD_LIBS_INSTALLED $LIBS"
AC_SUBST(GUILE_LIBS)
AC_SUBST(AWK)
AC_SUBST(LIBLOBJS)
-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 build/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 "