version 1.2, 1994/12/14 16:15:27
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version 1.51, 1999/03/12 18:37:54
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dnl Process this file with autoconf to produce a configure script. |
dnl Process this file with autoconf to produce a configure script. |
AC_INIT(engine.c) |
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#Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
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#This file is part of Gforth. |
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#Gforth is free software; you can redistribute it and/or |
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#modify it under the terms of the GNU General Public License |
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#as published by the Free Software Foundation; either version 2 |
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#of the License, or (at your option) any later version. |
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#This program is distributed in the hope that it will be useful, |
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#but WITHOUT ANY WARRANTY; without even the implied warranty of |
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#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.#See the |
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#GNU General Public License for more details. |
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#You should have received a copy of the GNU General Public License |
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#along with this program; if not, write to the Free Software |
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#Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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AC_INIT(engine/engine.c) |
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dnl We use some automake macros here, |
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dnl but don't use automake for creating Makefile.in |
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AM_INIT_AUTOMAKE(gforth,0.4.0-19990312) |
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#snapshots have numbers major.minor.release-YYYYMMDD |
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#note that lexicographic ordering bust be heeded. |
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#I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! |
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AM_CONFIG_HEADER(engine/config.h) |
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AM_CYGWIN32 |
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AC_ARG_ENABLE(force-reg, |
AC_ARG_ENABLE(force-reg, |
[ --enable-force-reg Use explicit register declarations if they appear in |
[ --enable-force-reg Use explicit register declarations if they appear in |
Line 20 AC_ARG_ENABLE(indirect-threaded,
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Line 48 AC_ARG_ENABLE(indirect-threaded,
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(default processor-dependent)], |
(default processor-dependent)], |
AC_DEFINE(INDIRECT_THREADED)) |
AC_DEFINE(INDIRECT_THREADED)) |
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AC_ARG_WITH(debug, |
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[ --with-debug specifies option -g to compile with debug info (default) |
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--without-debug omits the -g switch and creates smaller images on |
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machines where "strip" has problems with gcc style |
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debugging informations.], |
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if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
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CFLAGS=$CFLAGS |
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AC_PROG_CC |
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if test "$GCC" = "yes" |
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then |
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echo "Fine, gcc is available" |
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else |
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cat <<'EOF' |
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Gforth requires GCC-2.0 or higher (it uses GNU C extensions). |
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It does not work with other C compilers. Please install the GNU C compiler, |
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and try again (or search for a binary distribution for your platform). |
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EOF |
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exit 1 |
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fi |
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AC_SUBST(CC) |
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AC_SUBST(DEBUGFLAG) |
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dnl the following macro produces a warning with autoconf-2.1 |
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AC_CHECK_SIZEOF(char *) |
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case "$ac_cv_sizeof_char_p" in |
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2) |
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wordsize=16 |
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;; |
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4) |
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wordsize=32 |
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;; |
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8) |
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wordsize=64 |
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;; |
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esac |
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AC_CHECK_SIZEOF(char) |
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AC_CHECK_SIZEOF(short) |
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AC_CHECK_SIZEOF(int) |
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AC_CHECK_SIZEOF(long) |
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AC_CHECK_SIZEOF(long long) |
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ac_cv_int_type_cell=none |
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case "$ac_cv_sizeof_char_p" in |
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$ac_cv_sizeof_int) |
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ac_cv_int_type_cell=int |
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;; |
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$ac_cv_sizeof_short) |
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ac_cv_int_type_cell=short |
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;; |
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$ac_cv_sizeof_char) |
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ac_cv_int_type_cell=char |
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;; |
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$ac_cv_sizeof_long) |
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ac_cv_int_type_cell=long |
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;; |
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$ac_cv_sizeof_long_long) |
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ac_cv_int_type_cell="long long" |
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;; |
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esac |
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if test "$ac_cv_int_type_cell" != int; then |
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echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me." |
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echo "Since you don't have a proper C on this machine, that's one more reason" |
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echo "to use Forth;-)" |
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fi |
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AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell) |
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ac_cv_int_type_double_cell=none |
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case `expr 2 '*' "$ac_cv_sizeof_char_p"` in |
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$ac_cv_sizeof_short) |
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ac_cv_int_type_double_cell=short |
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;; |
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$ac_cv_sizeof_int) |
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ac_cv_int_type_double_cell=int |
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;; |
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$ac_cv_sizeof_long) |
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ac_cv_int_type_double_cell=long |
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;; |
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$ac_cv_sizeof_long_long) |
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ac_cv_int_type_double_cell="long long" |
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;; |
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esac |
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if test "$ac_cv_int_type_double_cell" = none; then |
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echo "Emulating double-cell arithmetic. This may be slow." |
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echo "If you find this unacceptable, ask the GCC maintainers to provide proper" |
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echo 'long longs for your machine (the GCC manual states that they \"are twice as' |
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echo "long as \`long int\'\")." |
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LIBOBJS="$LIBOBJS dblsub.o" |
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AC_DEFINE(BUGGY_LONG_LONG) |
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else |
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AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell) |
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fi |
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AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) |
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OLDLDFLAGS=$LDFLAGS |
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LDFLAGS="$LDFLAGS -export-dynamic" |
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AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no) |
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test $ac_export_dynamic = yes|| LDFLAGS=$OLDLDFLAGS |
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AC_MSG_RESULT($ac_export_dynamic) |
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#terminology is a bit unusual here: The host is the system on which |
#terminology is a bit unusual here: The host is the system on which |
#gforth will run; the system on which configure will run is the `build' |
#gforth will run; the system on which configure will run is the `build' |
AC_CANONICAL_HOST |
AC_CANONICAL_HOST |
case "$host_cpu" in |
case "$host_cpu" in |
hppa*) |
hppa*) |
mach_h=hppa |
machine=hppa |
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$srcdir/mkinstalldirs arch/hppa |
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LIBOBJS="$LIBOBJS ../arch/hppa/cache.o" |
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LDFLAGS="$LDFLAGS -Xlinker -N" |
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LIBS="$LIBS -L/lib/pa1.1/" |
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if test "${enable_direct_threaded+set}" = "" |
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then |
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AC_DEFINE(DIRECT_THREADED) |
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fi |
;; |
;; |
sparc*) |
sparc*) |
mach_h=sparc |
machine=sparc |
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;; |
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i386) |
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machine=386 |
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CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
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if test "${enable_direct_threaded+set}" = "" \ |
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-a "${enable_indirect_threaded+set}" = "" |
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then |
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echo "Using direct threaded code on 386" |
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AC_DEFINE(DIRECT_THREADED) |
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fi |
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;; |
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i486) |
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machine=386 |
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CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" |
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if test "${enable_direct_threaded+set}" = "" \ |
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-a "${enable_indirect_threaded+set}" = "" |
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then |
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echo "Using direct threaded code on 486" |
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AC_DEFINE(DIRECT_THREADED) |
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fi |
;; |
;; |
i386|i486|i586) |
i586|i686) |
mach_h=386 |
machine=386 |
#!! direct/indirect threading switch |
CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" |
#!! -m486 flag |
if test "${enable_direct_threaded+set}" = "" \ |
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-a "${enable_indirect_threaded+set}" = "" |
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then |
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echo "Using indirect threaded code on Pentium and up" |
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AC_DEFINE(INDIRECT_THREADED) |
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fi |
;; |
;; |
m68*) |
m68k) |
mach_h=m68k |
machine=m68k |
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CFLAGS="$CFLAGS -fomit-frame-pointer" |
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if test "$host_os" = "nextstep3" |
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then |
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LIBOBJS="$LIBOBJS termios.o" |
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fi |
;; |
;; |
mips*) |
mips*) |
mach_h=mips |
machine=mips |
#!! link text and data segment into the same 256M region! |
#link text and data segment into the same 256M region! |
#!! does cacheflush work on OSs other than Ultrix? |
AC_MSG_CHECKING([whether the linker accepts -T]) |
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OLDLDFLAGS=$LDFLAGS |
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LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000" |
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AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no) |
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test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS |
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AC_MSG_RESULT($ac_link_mips_t) |
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test $ac_link_mips_t = yes||(echo cannot link text and data into same 256M region, using indirect threading; AC_DEFINE(INDIRECT_THREADED)) |
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AC_MSG_CHECKING([whether the linker accepts -D]) |
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OLDLDFLAGS=$LDFLAGS |
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LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000" |
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AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no) |
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test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS |
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AC_MSG_RESULT($ac_link_mips_d) |
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;; |
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alpha*) |
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machine=alpha |
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;; |
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power*) |
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machine=power |
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$srcdir/mkinstalldirs arch/power |
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AC_CHECK_FUNC(_sync_cache_range,true,LIBOBJS="$LIBOBJS ../arch/power/_sync_cache_range.o") |
;; |
;; |
*) |
*) |
echo "No direct threading support for $host_cpu, using indirect threading." |
echo "No direct threading support for $host_cpu, using indirect threading." |
echo "Using a generic 32-bit machine description. It will only work if char * AND" |
echo "Using a generic machine description." |
echo "long values have 32 bits." |
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echo "I'll assume that C floats and doubles are represented by IEEE single and" |
echo "I'll assume that C floats and doubles are represented by IEEE single and" |
echo "double numbers. If this is not so, SF@ etc. will not work correctly." |
echo "double numbers. If this is not so, SF@ etc. will not work correctly." |
mach_h=32bit |
echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!" |
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machine=generic |
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esac |
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AC_SUBST(host) |
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AC_SUBST(ENGINE_FLAGS) |
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case "$host_os" in |
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*win32) |
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EXE=".exe" |
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;; |
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*) |
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EXE="" |
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;; |
esac |
esac |
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AC_SUBST(EXE) |
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dnl Now a little support for DOS/DJGCC |
dnl Now a little support for DOS/DJGCC |
AC_SUBST(MAKE_EXE) |
AC_SUBST(GFORTH_EXE) |
MAKE_EXE="" |
GFORTH_EXE="" |
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AC_SUBST(GFORTHFAST_EXE) |
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GFORTHFAST_EXE="" |
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AC_SUBST(GFORTHDITC_EXE) |
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GFORTHDITC_EXE="" |
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PATHSEP=":" |
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AC_SUBST(PATHSEP) |
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AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP') |
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AC_SUBST(FORTHSIZES) |
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dnl copy commands for systems that don't have links |
dnl copy commands for systems that don't have links |
AC_SUBST(LINK_KERNL32L) |
AC_SUBST(LINK_KERNL) |
LINK_KERNL32L="" |
LINK_KERNL="" |
AC_SUBST(LINK_KERNL32B) |
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LINK_KERNL32B="" |
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#if test $host_os=dos |
#if test $host_os=dos |
#then |
#then |
# echo Configuring for DOS!!! |
# echo Configuring for DOS!!! |
# MAKE_EXE="coff2exe gforth" |
# MAKE_EXE="coff2exe gforth" |
# LINK_KERNL32L='$(CP) kernl32l.fi gforth.fi' |
# LINK_KERNL='$(CP) kernl32l.fi kernel.fi' |
#fi |
#fi |
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dnl the following macro produces a warning with autoconf-2.1 |
dnl the following macro produces a warning with autoconf-2.1 |
AC_C_BIGENDIAN |
AC_C_BIGENDIAN |
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AC_SUBST(KERNEL) |
dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1 |
dnl ac_cv_c_bigendian is an undocumented variable of autoconf-2.1 |
if test $ac_cv_c_bigendian = yes; then |
if test $ac_cv_c_bigendian = yes; then |
bytesex=b |
bytesex=b |
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KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" |
else |
else |
bytesex=l |
bytesex=l |
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KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" |
fi |
fi |
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dnl Checks for programs. |
dnl Checks for programs. |
AC_PROG_LN_S |
AC_PROG_LN_S |
AC_PROG_INSTALL |
dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE |
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dnl Checks for library functions |
dnl Checks for library functions |
dnl This check is just for making later checks link with libm. |
dnl This check is just for making later checks link with libm. |
dnl using sin here is no good idea since it is built-into gcc and typechecked |
dnl using sin here is no good idea since it is built-into gcc and typechecked |
AC_CHECK_LIB(m,asin) |
AC_CHECK_LIB(m,asin) |
AC_FUNC_MEMCMP |
AC_CHECK_LIB(dl,dlopen) |
AC_REPLACE_FUNCS(memmove strtoul) |
if test "$host_os" != "nextstep3" |
AC_CHECK_FUNC(getopt_long,getop_long="",getopt_long="getopt.o getopt1.o") |
then |
AC_SUBST(getopt_long) |
AC_FUNC_MEMCMP |
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fi |
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AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
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AC_CHECK_FUNCS(dlopen sys_siglist) |
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AC_DECL_SYS_SIGLIST |
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AC_CHECK_FUNC(getopt_long,true,LIBOBJS="$LIBOBJS getopt.o getopt1.o") |
AC_CHECK_FUNCS(rint expm1 log1p) |
AC_CHECK_FUNCS(rint expm1 log1p) |
AC_REPLACE_FUNCS(ecvt) |
AC_REPLACE_FUNCS(ecvt) |
dnl No check for select, because our replacement is no good under |
dnl No check for select, because our replacement is no good under |
dnl anything but DOS |
dnl anything but DOS |
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AC_CHECK_HEADERS(sys/mman.h) |
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AC_CHECK_FUNCS(mmap sysconf getpagesize) |
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AM_PATH_LISPDIR |
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kernel_fi=kernl${wordsize}${bytesex}.fi |
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AC_SUBST(kernel_fi) |
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dnl replace srource directory by absolute value |
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if test $srcdir = "."; then srcdir=`pwd` |
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fi |
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dnl autoconf requires (implicitly) that AC_LINK_FILES is used only once |
AC_SUBST(machine) |
AC_LINK_FILES(${mach_h}.h kernl32${bytesex}.fi,machine.h gforth.fi) |
dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed |
AC_OUTPUT(Makefile) |
AC_OUTPUT([ |
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Makefile |
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Makedist |
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gforthmi |
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engine/Makefile |
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doc/version.texi ], |
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echo timestamp > stamp-h |
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chmod +x gforthmi |
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test -d kernel||mkdir kernel) |
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