version 1.8, 1995/01/25 18:53:45
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version 1.105, 2003/01/26 20:56:37
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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) 1995,1996,1997,1998,2000 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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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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AC_INIT([gforth],[0.5.9-20021227],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) |
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#snapshots have numbers major.minor.release-YYYYMMDD |
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#note that lexicographic ordering must be heeded. |
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#I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! |
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UPDATED="27 December 2002" |
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AC_SUBST(UPDATED) |
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AC_CONFIG_HEADERS(engine/config.h) |
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#default setting that may be changed later: |
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no_dynamic_default=0 |
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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 |
the machine.h file. This can cause a good speedup, |
the machine.h file. This can cause a good speedup, |
but also incorrect code with some gcc versions on |
but also incorrect code with some gcc versions on |
some processors (default disabled).], |
some processors (default disabled).], |
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AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)])) |
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AC_DEFINE(FORCE_REG)) |
AC_ARG_WITH(debug, |
dnl this is not quite according to the autoconf manual, it causes a replacement |
[ --with-debug specifies option -g to compile with debug info (default) |
AC_ARG_ENABLE(direct-threaded, |
--without-debug omits the -g switch and creates smaller images on |
[ --enable-direct-threaded Force direct threading. This may not work on |
machines where "strip" has problems with gcc style |
some machines and may cause slowdown on others. |
debugging informations.], |
(default processor-dependent)], |
if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
AC_DEFINE(DIRECT_THREADED)) |
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AC_ARG_ENABLE(indirect-threaded, |
dnl PEEPHOLE="yes" |
[ --enable-indirect-threaded Force indirect threading. This can cause a |
dnl AC_ARG_WITH(peephole, |
slowdown on some machines. |
dnl [ --with-peephole Enable peephole optimization (default) |
(default processor-dependent)], |
dnl --without-peephole disables peephole optimization. Creates smaller, |
AC_DEFINE(INDIRECT_THREADED)) |
dnl but slower images.], |
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dnl PEEPHOLE="$withval") |
AC_SUBST(GCCLDFLAGS) |
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#variables mentioned in INSTALL |
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AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).]) |
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AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).]) |
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AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)]) |
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AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)]) |
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AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)]) |
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AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)]) |
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AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)]) |
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AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)]) |
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AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)]) |
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AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)]) |
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AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no)?]) |
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#set up feature test macros, so the tests get them right: |
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# turn on all POSIX, SUSv3, and GNU features if available |
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AC_GNU_SOURCE |
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dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro]) |
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dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular |
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dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE, |
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dnl but not for _XOPEN_SOURCE) |
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dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro]) |
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dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro]) |
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dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro]) |
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# turn on large file support with 64-bit off_t where available |
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AC_SYS_LARGEFILE |
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dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro]) |
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dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro]) |
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#currently we force direct threading this way. Eventually we should |
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#setup in the arch and engine files right |
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CFLAGS=$CFLAGS |
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AC_PROG_CC |
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test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher) |
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AC_SUBST(CC) |
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AC_SUBST(DEBUGFLAG) |
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dnl gcc-3.2 seems to work fine now |
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dnl AC_MSG_CHECKING(gcc version) |
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dnl gcc_version=`$CC -v 2>&1|grep 'gcc version'|sed 's/.*gcc version //'` |
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dnl AC_MSG_RESULT($gcc_version) |
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dnl if expr "$gcc_version" \> 3.0.4 >/dev/null && expr "$gcc_version" \< 3.2.1 >/dev/null |
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dnl then |
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dnl no_dynamic_default=1 |
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dnl AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
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dnl 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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dnl AC_TRY_LINK gives false positive on rs6000-ibm-aix4.2.1.0 |
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dnl AC_TRY_LINK(,,ac_export_dynamic=yes,ac_export_dynamic=no) |
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AC_TRY_RUN(main(){exit(0);},ac_export_dynamic=yes,ac_export_dynamic=no,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 |
LIBOBJS="cache.o" |
$srcdir/mkinstalldirs arch/hppa |
LDFLAGS="-Xlinker -N" |
AC_LIBOBJ(../arch/hppa/cache) |
LIBS="-L/lib/pa1.1/" |
LDFLAGS="$LDFLAGS -Xlinker -N" |
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LIBS="$LIBS -L/lib/pa1.1/" |
;; |
;; |
sparc*) |
sparc*) |
mach_h=sparc |
machine=sparc |
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;; |
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i386) |
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machine=386 |
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CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
;; |
;; |
i386|i486|i586) |
i486) |
mach_h=386 |
machine=386 |
#!! direct/indirect threading switch |
CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" |
#!! -m486 flag |
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;; |
;; |
m68*) |
i*86) |
mach_h=m68k |
machine=386 |
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CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
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CFLAGS_1="$CFLAGS" |
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CFLAGS="$CFLAGS -march=pentium" |
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AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") |
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;; |
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#generic should work for IA64 |
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# ia64*) |
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# machine=ia64 |
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# ;; |
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m68k) |
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machine=m68k |
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CFLAGS="$CFLAGS -fomit-frame-pointer" |
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if test "$host_os" = "nextstep3" |
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then |
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AC_LIBOBJ(termios) |
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fi |
;; |
;; |
mips*) |
mips*) |
mach_h=mips |
machine=mips |
#link text and data segment into the same 256M region! |
#dynamic native code has the following problems on MIPS: |
GCCLDFLAGS="-Xlinker -T -Xlinker 10000000 -Xlinker -D -Xlinker 10400000" |
# |
#this works on Ultrix, but not on Irix |
#1) J/JAL seems relocatable, but is are only |
#for now use indirect threading under Irix |
#relocatable within a 256MB-segment. While we try to |
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#get the linker to arrange this, there is no guarantee |
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#that this will succeed (and if the user uses a lot of |
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#memory, it is likely to fail). |
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# |
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#2) The way we generate dynamic native code may |
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#violate MIPS architectural restrictions (in |
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#particular, the delay slots of LW, MFLO, etc.) |
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# |
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#Therefore we disable dynamic native code by default: |
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no_dynamic_default=1 |
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AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
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;; |
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alpha*) |
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machine=alpha |
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#full IEEE FP support for more uniformity across platforms: |
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CFLAGS="$CFLAGS -mieee" |
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;; |
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power*|rs6000) |
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machine=power |
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$srcdir/mkinstalldirs arch/power |
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AC_CHECK_FUNC(_sync_cache_range,true,AC_LIBOBJ(../arch/power/_sync_cache_range)) |
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#long long is broken on (at least) gcc-2.95.* for PPC |
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test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0 |
;; |
;; |
*) |
*) |
echo "No direct threading support for $host_cpu, using indirect threading." |
AC_MSG_WARN([Using a generic machine description]) |
echo "Using a generic 32-bit machine description. It will only work if char * AND" |
AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)]) |
echo "long values have 32 bits." |
AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!]) |
echo "I'll assume that C floats and doubles are represented by IEEE single and" |
machine=generic |
echo "double numbers. If this is not so, SF@ etc. will not work correctly." |
#I-cache flushing would be needed for dynamic code generation |
mach_h=32bit |
no_dynamic_default=1 |
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AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
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esac |
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AC_SUBST(host) |
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AC_SUBST(ENGINE_FLAGS) |
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dnl the following macro produces a warning with autoconf-2.1 |
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AC_CHECK_SIZEOF(char *) |
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case "$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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;; |
esac |
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_CHECK_SIZEOF(intptr_t) |
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AC_CHECK_SIZEOF(int128_t) |
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AC_MSG_CHECKING([for a C type for cells]) |
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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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$ac_cv_sizeof_intptr_t) |
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ac_cv_int_type_cell="intptr_t" |
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;; |
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$ac_cv_sizeof_int128_t) |
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ac_cv_int_type_cell="int128_t" |
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;; |
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esac |
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AC_MSG_RESULT($ac_cv_int_type_cell) |
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AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) |
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AC_MSG_CHECKING([for a C type for double-cells]) |
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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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$ac_cv_sizeof_long_long) |
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ac_cv_int_type_double_cell="long long" |
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;; |
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$ac_cv_sizeof_intptr_t) |
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ac_cv_int_type_double_cell="intptr_t" |
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;; |
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$ac_cv_sizeof_int128_t) |
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ac_cv_int_type_double_cell="int128_t" |
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;; |
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esac |
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AC_MSG_RESULT($ac_cv_int_type_double_cell) |
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if test "$ac_cv_int_type_double_cell" = none; then |
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AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.]) |
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AC_LIBOBJ(dblsub) |
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AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine]) |
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else |
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AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer]) |
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fi |
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AC_TYPE_OFF_T |
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AC_CHECK_SIZEOF(off_t) |
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test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p |
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ac_small_off_t=$? |
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AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) |
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# Try if GCC understands -fno-cross-jump |
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CFLAGS_1="$CFLAGS" |
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CFLAGS="$CFLAGS -fno-cross-jump" |
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AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1") |
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AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) |
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AC_SUBST(asm_fs) |
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AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) |
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AC_SUBST(disasm_fs) |
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case "$host_os" in |
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*win32) |
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EXE=".exe" |
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DIRSEP="\\" |
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;; |
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*darwin*) |
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#Darwin uses some funny preprocessor by default; eliminate it: |
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AC_MSG_NOTICE([using -traditional-cpp on Darwin]) |
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CFLAGS="$CFLAGS -traditional-cpp" |
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EXE="" |
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DIRSEP="/" |
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;; |
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*) |
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EXE="" |
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DIRSEP="/" |
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;; |
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esac |
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AC_SUBST(EXE) |
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AC_SUBST(DIRSEP) |
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AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character]) |
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dnl Now a little support for DOS/DJGCC |
dnl Now a little support for DOS/DJGCC |
AC_SUBST(MAKE_EXE) |
AC_SUBST(GFORTH_EXE) |
MAKE_EXE="" |
GFORTH_EXE="" |
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AC_SUBST(GFORTHFAST_EXE) |
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GFORTHFAST_EXE="" |
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AC_SUBST(GFORTHITC_EXE) |
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GFORTHITC_EXE="" |
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AC_SUBST(GFORTHDITC_EXE) |
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GFORTHDITC_EXE="" |
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PATHSEP=":" |
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AC_SUBST(PATHSEP) |
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AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) |
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AC_SUBST(FORTHSIZES) |
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dnl if test "$PEEPHOLE" = "yes" |
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dnl then |
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dnl PEEPHOLEFLAG="true" |
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dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization]) |
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dnl else |
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dnl PEEPHOLEFLAG="false" |
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dnl fi |
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PEEPHOLEFLAG="true" |
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AC_SUBST(PEEPHOLEFLAG) |
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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_KERNL16L) |
AC_SUBST(LINK_KERNL) |
LINK_KERNL16L="" |
LINK_KERNL="" |
AC_SUBST(LINK_KERNL16B) |
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LINK_KERNL16B="" |
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AC_SUBST(LINK_KERNL32L) |
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LINK_KERNL32L="" |
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AC_SUBST(LINK_KERNL32B) |
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LINK_KERNL32B="" |
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AC_SUBST(LINK_KERNL64L) |
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LINK_KERNL64L="" |
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AC_SUBST(LINK_KERNL64B) |
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LINK_KERNL64B="" |
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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 |
AC_SUBST(KERNAL) |
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 $ac_cv_c_bigendian = yes; then |
bytesex=b |
bytesex=b |
KERNAL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" |
KERNEL="kernl16b.fi kernl16l.fi kernl32b.fi kernl32l.fi kernl64b.fi kernl64l.fi" |
else |
else |
bytesex=l |
bytesex=l |
KERNAL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" |
KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" |
fi |
fi |
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|
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#check how to do asm(".skip 16") |
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AC_MSG_CHECKING([if and how we can waste code space]) |
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skipcode=no |
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for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" |
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do |
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AC_TRY_RUN( |
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int foo(int); |
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main() |
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{ |
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exit(foo(0)!=16); |
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} |
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int foo(int x) |
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{ |
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if (x) { |
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label1: |
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asm("$i"); |
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label2: |
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} |
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return (&&label2)-(&&label1); |
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} |
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,skipcode=$i; break |
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,,) |
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done |
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AC_MSG_RESULT($skipcode) |
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if test "$skipcode" = no |
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then |
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no_dynamic_default=1 |
|
AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes) |
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AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
|
else |
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AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes) |
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fi |
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|
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AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic) |
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dnl Checks for programs. |
dnl Checks for programs. |
AC_PROG_LN_S |
AC_PROG_LN_S |
AC_PROG_INSTALL |
AC_PROG_INSTALL |
Line 104 dnl Checks for library functions
|
Line 407 dnl Checks for library functions
|
dnl This check is just for making later checks link with libm. |
dnl This check is just for making later checks link with libm. |
dnl using sin here is no good idea since it is built-into gcc and typechecked |
dnl using sin here is no good idea since it is built-into gcc and typechecked |
AC_CHECK_LIB(m,asin) |
AC_CHECK_LIB(m,asin) |
AC_FUNC_MEMCMP |
AC_CHECK_LIB(dl,dlopen) |
AC_REPLACE_FUNCS(memmove strtoul) |
if test "$host_os" != "nextstep3" |
AC_CHECK_FUNC(getopt_long,getopt_long="",getopt_long="getopt.o getopt1.o") |
then |
AC_SUBST(getopt_long) |
AC_FUNC_MEMCMP |
AC_CHECK_FUNCS(rint expm1 log1p pow10) |
fi |
AC_REPLACE_FUNCS(ecvt) |
AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
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AC_FUNC_FSEEKO |
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AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage) |
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AC_CHECK_TYPES(stack_t) |
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AC_DECL_SYS_SIGLIST |
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AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt); AC_LIBOBJ(getopt1)) |
|
AC_CHECK_FUNCS(expm1 log1p) |
|
AC_REPLACE_FUNCS(rint 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 |
|
AC_CHECK_HEADERS(sys/mman.h fnmatch.h) |
|
AC_FUNC_FNMATCH |
|
test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch) |
|
AC_CHECK_FUNCS(mmap sysconf getpagesize) |
|
AM_PATH_LISPDIR |
|
|
|
kernel_fi=kernl${wordsize}${bytesex}.fi |
|
AC_SUBST(kernel_fi) |
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|
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#this breaks bindists |
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#dnl replace srource directory by absolute value |
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#if test $srcdir = "."; then srcdir=`pwd` |
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#fi |
|
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gforth_fi=kernl32${bytesex}.fi |
AC_SUBST(machine) |
AC_SUBST(gforth_fi) |
AC_CONFIG_FILES([ |
|
Makefile |
dnl autoconf requires (implicitly) that AC_LINK_FILES is used only once |
Makedist |
AC_LINK_FILES(${mach_h}.h $gforth_fi,machine.h gforth.fi) |
gforthmi |
AC_OUTPUT(Makefile) |
vmgen |
|
machpc.fs |
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engine/Makefile |
|
doc/version.texi ]) |
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AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h |
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chmod +x gforthmi |
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chmod +x vmgen |
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test -d kernel||mkdir kernel]],[[]]) |
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AC_OUTPUT |
|
|