version 1.115, 2003/03/02 19:30:54
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version 1.136, 2003/09/14 15:06:28
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Line 1
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Line 1
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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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#Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc. |
#Copyright (C) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. |
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#This file is part of Gforth. |
#This file is part of Gforth. |
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Line 18 dnl Process this file with autoconf to p
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Line 18 dnl Process this file with autoconf to p
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#along with this program; if not, write to the Free Software |
#along with this program; if not, write to the Free Software |
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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dnl We use some automake macros here, |
dnl We use some automake macros here, |
dnl but don't use automake for creating Makefile.in |
dnl but don't use automake for creating Makefile.in |
AC_INIT([gforth],[0.5.9-20030201],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) |
AC_INIT([gforth],[0.6.2-20030910],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) |
AC_PREREQ(2.54) |
AC_PREREQ(2.54) |
#snapshots have numbers major.minor.release-YYYYMMDD |
#snapshots have numbers major.minor.release-YYYYMMDD |
#note that lexicographic ordering must be heeded. |
#note that lexicographic ordering must be heeded. |
#I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! |
#I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! |
UPDATED="February 1st, 2003" |
UPDATED="September 10, 2003" |
AC_SUBST(UPDATED) |
AC_SUBST(UPDATED) |
AC_CONFIG_HEADERS(engine/config.h) |
AC_CONFIG_HEADERS(engine/config.h) |
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#default setting that may be changed later: |
#suppress the "-g -O2" default |
no_dynamic_default=0 |
test "$CFLAGS" || CFLAGS=-O2 |
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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 38 AC_ARG_ENABLE(force-reg,
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Line 39 AC_ARG_ENABLE(force-reg,
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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).], |
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)])) |
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_SUBST(PROFEXES) |
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AC_SUBST(PROFOBJS) |
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AC_ARG_ENABLE(prof, |
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[ --enable-prof Build gforth-prof, which outputs frequently occuring |
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sequences of primitives.], |
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PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o") |
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AC_ARG_WITH(debug, |
AC_ARG_WITH(debug, |
[ --with-debug specifies option -g to compile with debug info (default) |
[ --with-debug specifies option -g to compile with debug info |
--without-debug omits the -g switch and creates smaller images on |
--without-debug omits the -g switch and creates smaller images on |
machines where "strip" has problems with gcc style |
machines where "strip" has problems with gcc style |
debugging informations.], |
debugging informations.], |
if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
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dnl PEEPHOLE="yes" |
dnl PEEPHOLE="yes" |
Line 54 dnl but slower images.],
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Line 61 dnl but slower images.],
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dnl PEEPHOLE="$withval") |
dnl PEEPHOLE="$withval") |
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#variables mentioned in INSTALL |
#variables mentioned in INSTALL |
AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).]) |
AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x); gcc-2.95 recommended.]) |
AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).]) |
AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).]) |
AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)]) |
AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)]) |
AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)]) |
AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)]) |
Line 64 AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(lo
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Line 71 AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(lo
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AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)]) |
AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)]) |
AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)]) |
AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)]) |
AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)]) |
AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)]) |
AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no)?]) |
AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?]) |
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AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default]) |
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AC_ARG_VAR(skip_code, [assembly code for skipping 16 bytes of code]) |
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#set up feature test macros, so the tests get them right: |
#set up feature test macros, so the tests get them right: |
# turn on all POSIX, SUSv3, and GNU features if available |
# turn on all POSIX, SUSv3, and GNU features if available |
Line 85 dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BIT
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Line 94 dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BIT
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#currently we force direct threading this way. Eventually we should |
#currently we force direct threading this way. Eventually we should |
#setup in the arch and engine files right |
#setup in the arch and engine files right |
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CFLAGS=$CFLAGS |
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AC_PROG_CC |
AC_PROG_CC |
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test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher) |
test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher) |
Line 94 test "$GCC" = "yes" || AC_MSG_ERROR(Gfor
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Line 101 test "$GCC" = "yes" || AC_MSG_ERROR(Gfor
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AC_SUBST(CC) |
AC_SUBST(CC) |
AC_SUBST(DEBUGFLAG) |
AC_SUBST(DEBUGFLAG) |
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dnl gcc-3.2 seems to work fine now |
AC_MSG_CHECKING(make type) |
dnl AC_MSG_CHECKING(gcc version) |
make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'` |
dnl gcc_version=`$CC -v 2>&1|grep 'gcc version'|sed 's/.*gcc version //'` |
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dnl AC_MSG_RESULT($gcc_version) |
GNUMAKE='#' |
dnl if expr "$gcc_version" \> 3.0.4 >/dev/null && expr "$gcc_version" \< 3.2.1 >/dev/null |
test "$make_type" = "GNU Make" && GNUMAKE='' |
dnl then |
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dnl no_dynamic_default=1 |
AC_MSG_RESULT($make_type) |
dnl AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
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dnl fi |
AC_SUBST(GNUMAKE) |
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AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) |
AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) |
OLDLDFLAGS=$LDFLAGS |
OLDLDFLAGS=$LDFLAGS |
Line 117 AC_MSG_RESULT($ac_export_dynamic)
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Line 124 AC_MSG_RESULT($ac_export_dynamic)
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#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 |
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arm*) |
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machine=arm |
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CFLAGS="$CFLAGS -fomit-frame-pointer" |
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if test -z $no_dynamic_default; then |
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no_dynamic_default=1 |
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AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) |
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fi |
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;; |
hppa*) |
hppa*) |
machine=hppa |
machine=hppa |
$srcdir/mkinstalldirs arch/hppa |
$srcdir/mkinstalldirs arch/hppa |
AC_LIBOBJ(../arch/hppa/cache) |
AC_LIBOBJ(../arch/hppa/cache) |
#LDFLAGS="$LDFLAGS -Xlinker -N" |
#-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net> |
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LDFLAGS="$LDFLAGS -Xlinker -N" |
LIBS="$LIBS -L/lib/pa1.1/" |
LIBS="$LIBS -L/lib/pa1.1/" |
;; |
;; |
sparc*) |
sparc*) |
Line 142 case "$host_cpu" in
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Line 158 case "$host_cpu" in
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CFLAGS="$CFLAGS -march=pentium" |
CFLAGS="$CFLAGS -march=pentium" |
AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") |
AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") |
;; |
;; |
#generic should work for IA64 |
x86_64) |
# ia64*) |
machine=amd64 |
# machine=ia64 |
;; |
# ;; |
ia64*) |
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machine=ia64 |
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AC_LIBOBJ(../arch/ia64/flush_icache_block) |
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test "$skipcode" || skipcode="nop.i 0" |
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#".skip 16" passes the test below, |
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# but gives an assembler error in engine |
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;; |
m68k) |
m68k) |
machine=m68k |
machine=m68k |
CFLAGS="$CFLAGS -fomit-frame-pointer" |
CFLAGS="$CFLAGS -fomit-frame-pointer" |
Line 169 case "$host_cpu" in
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Line 191 case "$host_cpu" in
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#particular, the delay slots of LW, MFLO, etc.) |
#particular, the delay slots of LW, MFLO, etc.) |
# |
# |
#Therefore we disable dynamic native code by default: |
#Therefore we disable dynamic native code by default: |
no_dynamic_default=1 |
if test -z $no_dynamic_default; then |
AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
no_dynamic_default=1 |
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AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)]) |
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fi |
;; |
;; |
alpha*) |
alpha*) |
machine=alpha |
machine=alpha |
Line 190 case "$host_cpu" in
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Line 214 case "$host_cpu" in
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AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!]) |
AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!]) |
machine=generic |
machine=generic |
#I-cache flushing would be needed for dynamic code generation |
#I-cache flushing would be needed for dynamic code generation |
no_dynamic_default=1 |
if test -z $no_dynamic_default; then |
AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
no_dynamic_default=1 |
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AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) |
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fi |
esac |
esac |
AC_SUBST(host) |
AC_SUBST(host) |
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Line 295 CFLAGS="$CFLAGS_1"
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Line 321 CFLAGS="$CFLAGS_1"
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AC_MSG_RESULT($ac_nogcse) |
AC_MSG_RESULT($ac_nogcse) |
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# Try if GCC understands -fno-strict-aliasing |
# Try if GCC understands -fno-strict-aliasing |
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AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing]) |
AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing]) |
CFLAGS_1="$CFLAGS" |
CFLAGS_1="$CFLAGS" |
CFLAGS="$CFLAGS -fno-strict-aliasing" |
CFLAGS="$CFLAGS -fno-strict-aliasing" |
Line 303 AC_TRY_COMPILE(,,ac_nostrictaliasing=yes
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Line 328 AC_TRY_COMPILE(,,ac_nostrictaliasing=yes
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CFLAGS="$CFLAGS_1" |
CFLAGS="$CFLAGS_1" |
AC_MSG_RESULT($ac_nostrictaliasing) |
AC_MSG_RESULT($ac_nostrictaliasing) |
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# Try if GCC understands -fno-cross-jump |
# Try if GCC understands -fno-crossjumping |
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AC_MSG_CHECKING([if $CC understands -fno-crossjumping]) |
AC_MSG_CHECKING([if $CC understands -fno-cross-jump]) |
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CFLAGS_1="$CFLAGS" |
CFLAGS_1="$CFLAGS" |
CFLAGS="$CFLAGS -fno-cross-jump" |
CFLAGS="$CFLAGS -fno-crossjumping" |
AC_TRY_COMPILE(,,ac_nocrossjump=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-cross-jump",ac_nocrossjump=no) |
AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no) |
CFLAGS="$CFLAGS_1" |
CFLAGS="$CFLAGS_1" |
AC_MSG_RESULT($ac_nocrossjump) |
AC_MSG_RESULT($ac_nocrossjumping) |
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# Try if GCC understands __attribute__((unused)) |
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AC_MSG_CHECKING([how to suppress 'unused variable' warnings]) |
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AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',) |
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AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables]) |
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AC_MSG_RESULT($MAYBE_UNUSED) |
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AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) |
AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) |
AC_SUBST(asm_fs) |
AC_SUBST(asm_fs) |
Line 318 AC_SUBST(asm_fs)
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Line 348 AC_SUBST(asm_fs)
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AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) |
AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) |
AC_SUBST(disasm_fs) |
AC_SUBST(disasm_fs) |
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AC_PATH_PROG(INSTALL_INFO,install-info,false,$PATH:/sbin:/usr/sbin:/usr/local/sbin) |
AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin) |
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case "$host_os" in |
case "$host_os" in |
*win32|cygwin) |
*win32|cygwin) |
DIRSEP="\\\\" |
DIRSEP="\\\\" |
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PATHSEP=";" |
;; |
;; |
*darwin*) |
*darwin*) |
#Darwin uses some funny preprocessor by default; eliminate it: |
#Darwin uses some funny preprocessor by default; eliminate it: |
AC_MSG_NOTICE([using -traditional-cpp on Darwin]) |
AC_MSG_NOTICE([using -no-cpp-precomp on Darwin]) |
CFLAGS="$CFLAGS -traditional-cpp" |
CFLAGS="$CFLAGS -no-cpp-precomp" |
DIRSEP="/" |
DIRSEP="/" |
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PATHSEP=":" |
;; |
;; |
*) |
*) |
DIRSEP="/" |
DIRSEP="/" |
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PATHSEP=":" |
;; |
;; |
esac |
esac |
AC_SUBST(DIRSEP) |
AC_SUBST(DIRSEP) |
AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character]) |
AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character]) |
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AC_SUBST(PATHSEP) |
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AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) |
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dnl Now a little support for DOS/DJGCC |
dnl Now a little support for DOS/DJGCC |
AC_SUBST(GFORTH_EXE) |
AC_SUBST(GFORTH_EXE) |
Line 347 GFORTHITC_EXE=""
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Line 383 GFORTHITC_EXE=""
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AC_SUBST(GFORTHDITC_EXE) |
AC_SUBST(GFORTHDITC_EXE) |
GFORTHDITC_EXE="" |
GFORTHDITC_EXE="" |
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PATHSEP=":" |
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AC_SUBST(PATHSEP) |
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AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) |
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AC_SUBST(FORTHSIZES) |
AC_SUBST(FORTHSIZES) |
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dnl if test "$PEEPHOLE" = "yes" |
dnl if test "$PEEPHOLE" = "yes" |
Line 388 fi
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Line 420 fi
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#check how to do asm(".skip 16") |
#check how to do asm(".skip 16") |
AC_MSG_CHECKING([if and how we can waste code space]) |
AC_MSG_CHECKING([if and how we can waste code space]) |
skipcode=no |
if test -z "$skipcode"; then |
for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" |
for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" |
do |
do |
AC_TRY_RUN( |
AC_TRY_RUN( |
int foo(int); |
[int foo(int,int,int); |
main() |
main() |
{ |
{ |
exit(foo(0)!=16); |
exit(foo(0,0,0)!=16); |
} |
} |
int foo(int x) |
int foo(int x, int y, int z) |
{ |
{ |
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static void *labels[]={&&label1, &&label2}; |
if (x) { |
if (x) { |
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y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */ |
label1: |
label1: |
asm("$i"); |
asm(".skip 16"); /* or ".space 16" or somesuch */ |
label2: |
label2: ; |
} |
} |
return (&&label2)-(&&label1); |
{ |
} |
if (y) goto *labels[z]; /* workaround for gcc PR12108 */ |
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return labels[1]-labels[0]; |
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} |
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}] |
,skipcode=$i; break |
,skipcode=$i; break |
,,) |
,,) |
done |
done |
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fi |
AC_MSG_RESULT($skipcode) |
AC_MSG_RESULT($skipcode) |
if test "$skipcode" = no |
if test "$skipcode" = no |
then |
then |
no_dynamic_default=1 |
if test -z $no_dynamic_default; then |
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no_dynamic_default=1 |
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AC_MSG_WARN(Disabling default dynamic native code generation) |
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fi |
AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes) |
AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes) |
AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
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else |
else |
AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes) |
AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes) |
fi |
fi |
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test "$no_dynamic_default" || no_dynamic_default=0 |
AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic) |
AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic) |
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dnl Checks for programs. |
dnl Checks for programs. |
Line 430 dnl This check is just for making later
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Line 471 dnl This check is just for making later
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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_CHECK_LIB(dl,dlopen) |
AC_CHECK_LIB(dl,dlopen) |
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dnl check for ffcall libraries |
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dnl unfortunately, these four calls are separated out into a library each. |
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AC_CHECK_LIB(avcall,__builtin_avcall) |
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AC_CHECK_LIB(callback,__vacall_r) |
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AC_CHECK_LIB(vacall,vacall) |
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AC_CHECK_LIB(trampoline,alloc_trampoline) |
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FFCALLFLAG="false" |
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OLDCALLFLAG="true" |
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test $ac_cv_lib_avcall___builtin_avcall = yes && FFCALLFLAG="true" && OLDCALLFLAG="false" && AC_DEFINE(HAS_FFCALL,,[define this if you want to use the ffcall libraries]) |
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test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries]) |
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AC_SUBST(FFCALLFLAG) |
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AC_SUBST(OLDCALLFLAG) |
if test "$host_os" != "nextstep3" |
if test "$host_os" != "nextstep3" |
then |
then |
AC_FUNC_MEMCMP |
AC_FUNC_MEMCMP |