version 1.14, 1995/11/29 20:20:33
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version 1.21, 1996/02/19 18:57:25
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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. |
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AC_INIT(engine.c) |
#Copyright (C) 1995,1996 Free Software Foundation, Inc. |
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#This file is part of Gforth. |
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GCC=${GCC-gcc} |
#Gforth is free software; you can redistribute it and/or |
AC_SUBST(GCC) |
#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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dnl configure needs $CC to find out some parameters, and there may be |
AC_INIT(engine.c) |
dnl differences in what is obtained from gcc and from the default cc. |
AC_CONFIG_HEADER(config.h) |
dnl Therefore, we define $CC to be gcc: |
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CC=$GCC |
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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 36 AC_ARG_WITH(debug,
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Line 47 AC_ARG_WITH(debug,
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debugging informations.], |
debugging informations.], |
if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
if test "$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) |
AC_SUBST(GCCLDFLAGS) |
AC_SUBST(GCCLDFLAGS) |
AC_SUBST(DEBUGFLAG) |
AC_SUBST(DEBUGFLAG) |
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Line 51 case "$ac_cv_sizeof_char_p" in
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Line 78 case "$ac_cv_sizeof_char_p" in
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;; |
;; |
8) |
8) |
wordsize=64 |
wordsize=64 |
dnl AC_CHECK_SIZEOF(long long) |
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dnl if [ $ac_cv_sizeof_long_long != 16 ] |
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dnl then |
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dnl try the whole thing with -mlonlong128 |
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dnl complain about C compiler and OS vendor |
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dnl fi |
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;; |
;; |
esac |
esac |
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AC_CHECK_INT_TYPE(sizeof(char *),cell,long) |
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if test $ac_cv_int_type_cell != int; then |
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echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me." |
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echo "Since you don't have a proper C on this machine, that's one more reason" |
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echo "to use Forth;-)" |
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fi |
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AC_CHECK_INT_TYPE(2*sizeof(char *),double cell,long long) |
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if test "$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="$LIBOBJS dblsub.o" |
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AC_DEFINE(BUGGY_LONG_LONG) |
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fi |
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#terminology is a bit unusual here: The host is the system on which |
#terminology is a bit unusual here: The host is the system on which |
#gforth will run; the system on which configure will run is the `build' |
#gforth will run; the system on which configure will run is the `build' |
AC_CANONICAL_HOST |
AC_CANONICAL_HOST |
case "$host_cpu" in |
case "$host_cpu" in |
hppa*) |
hppa*) |
mach_h=hppa |
mach_h=hppa |
LIBOBJS="cache.o" |
LIBOBJS="$LIBOBJS cache.o" |
LDFLAGS="-Xlinker -N" |
LDFLAGS="-Xlinker -N" |
LIBS="-L/lib/pa1.1/" |
LIBS="-L/lib/pa1.1/" |
;; |
;; |
Line 75 case "$host_cpu" in
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Line 112 case "$host_cpu" in
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;; |
;; |
i386|i486|i586) |
i386|i486|i586) |
mach_h=386 |
mach_h=386 |
CFLAGS="-fforce-mem -fforce-addr -fomit-frame-pointer" |
CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
#!! direct/indirect threading switch |
#!! direct/indirect threading switch |
#!! -m486 flag |
#!! -m486 flag |
;; |
;; |
m68*) |
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mach_h=m68k |
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;; |
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mips*) |
mips*) |
mach_h=mips |
mach_h=mips |
#link text and data segment into the same 256M region! |
#link text and data segment into the same 256M region! |
Line 89 case "$host_cpu" in
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Line 123 case "$host_cpu" in
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;; |
;; |
alpha*) |
alpha*) |
mach_h=alpha |
mach_h=alpha |
echo Very Preliminary Support for Alpha!!! |
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;; |
;; |
*) |
*) |
echo "No direct threading support for $host_cpu, using indirect threading." |
echo "No direct threading support for $host_cpu, using indirect threading." |
echo "Using a generic 32-bit machine description. It will only work if char * AND" |
echo "Using a generic machine description." |
echo "long values have 32 bits." |
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echo "I'll assume that C floats and doubles are represented by IEEE single and" |
echo "I'll assume that C floats and doubles are represented by IEEE single and" |
echo "double numbers. If this is not so, SF@ etc. will not work correctly." |
echo "double numbers. If this is not so, SF@ etc. will not work correctly." |
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echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!" |
mach_h=32bit |
mach_h=32bit |
esac |
esac |
AC_SUBST(host) |
AC_SUBST(host) |
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AC_SUBST(ENGINE_FLAGS) |
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dnl Now a little support for DOS/DJGCC |
dnl Now a little support for DOS/DJGCC |
AC_SUBST(MAKE_EXE) |
AC_SUBST(MAKE_EXE) |
Line 148 dnl using sin here is no good idea since
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Line 182 dnl using sin here is no good idea since
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AC_CHECK_LIB(m,asin) |
AC_CHECK_LIB(m,asin) |
AC_FUNC_MEMCMP |
AC_FUNC_MEMCMP |
AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal) |
AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal) |
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AC_CHECK_FUNCS(sys_siglist) |
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AC_DECL_SYS_SIGLIST |
AC_CHECK_FUNC(getopt_long,getopt_long="",getopt_long="getopt.o getopt1.o") |
AC_CHECK_FUNC(getopt_long,getopt_long="",getopt_long="getopt.o getopt1.o") |
AC_SUBST(getopt_long) |
AC_SUBST(getopt_long) |
AC_CHECK_FUNCS(rint expm1 log1p) |
AC_CHECK_FUNCS(rint expm1 log1p) |
Line 159 kernal_fi=kernl${wordsize}${bytesex}.fi
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Line 195 kernal_fi=kernl${wordsize}${bytesex}.fi
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AC_SUBST(kernal_fi) |
AC_SUBST(kernal_fi) |
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AC_LINK_FILES(${mach_h}.h $kernal_fi,machine.h kernal.fi) |
AC_LINK_FILES(${mach_h}.h $kernal_fi,machine.h kernal.fi) |
AC_OUTPUT(Makefile) |
AC_OUTPUT(Makefile,echo timestamp > stamp-h) |
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