version 1.134, 2003/09/08 10:14:19
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version 1.155, 2006/02/19 22:15:05
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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) 1995,1996,1997,1998,2000,2003 Free Software Foundation, Inc. |
#Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005 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 21 dnl Process this file with autoconf to p
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Line 21 dnl Process this file with autoconf to p
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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],[0.6.2],[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="August 25, 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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#suppress the "-g -O2" default |
#suppress the "-g -O2" default |
test "$CFLAGS" || CFLAGS=-O2 |
test "$CFLAGS" || CFLAGS=-O2 |
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#default setting that may be changed later: |
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test "$no_dynamic_default" || no_dynamic_default=0 |
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AC_ARG_ENABLE(force-reg, |
AC_ARG_ENABLE(force-reg, |
[ --enable-force-reg Use explicit register declarations if they appear in |
AC_HELP_STRING([--enable-force-reg], |
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[ Use explicit register declarations if they appear in |
the machine.h file. This can cause a good speedup, |
the machine.h file. This can cause a good speedup, |
but also incorrect code with some gcc versions on |
but also incorrect code with some gcc versions on |
some processors (default disabled).], |
some processors (default disabled).]), |
AC_DEFINE(FORCE_REG,,[Define if you want to use explicit register declarations for better performance or for more convenient CODE words (does not work with all GCC versions on all machines)])) |
,enable_force_reg=no) |
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test "$enable_force_reg" = "no"|| |
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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_ARG_ENABLE(force-ll, |
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AC_HELP_STRING([--enable-force-ll], |
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[ Use explicit long long declarations if they appear in |
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the machine.h file. This can cause a good speedup, |
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but also incorrect code with some gcc versions on |
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some processors (default disabled).]), |
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,enable_force_ll=no) |
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test "$enable_force_ll" = "no"|| |
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AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)]) |
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AC_ARG_ENABLE(gcc-pr15242-workaround, |
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AC_HELP_STRING([--disable-gcc-pr15242-workaround],[Disables |
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dynamic code generation on some versions of gcc |
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(slowdown~2 on Athlon) and causes slower building |
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of gforth (but gforth speedups) on others. |
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(default enabled)]), |
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,enable_gcc_pr15242_workaround=yes) |
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test "$enable_gcc_pr15242_workaround" = "no"|| |
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AC_DEFINE(GCC_PR15242_WORKAROUND,,[Define if you want to get dynamic code |
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generation on gccs affected by PR15242]) |
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AC_ARG_ENABLE(force-cdiv, |
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AC_HELP_STRING([--enable-force-cdiv], |
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[ Use the native C division - symmetric - instead of |
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floored division (default disabled).]), |
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,enable_force_cdiv=no) |
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test "$enable_force_cdiv" = "no"|| |
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AC_DEFINE(FORCE_CDIV,,[Define if you want to use explicit symmetric division for better performance]) |
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AC_SUBST(PROFEXES) |
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AC_SUBST(PROFOBJS) |
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AC_ARG_ENABLE(prof, |
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AC_HELP_STRING([--enable-prof], |
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[ Build gforth-prof, which outputs frequently occuring |
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sequences of primitives.]), |
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,enable_prof=no) |
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if test "$enable_prof" = "no"; then |
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PROFEXES="gforth-prof\$(EXE)"; PROFOBJS="engine-prof.o main-prof.o profile.o" |
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fi |
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AC_ARG_WITH(debug, |
AC_ARG_WITH(debug, |
[ --with-debug specifies option -g to compile with debug info |
[ --with-debug specifies option -g to compile with debug info |
Line 60 dnl PEEPHOLE="$withval")
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Line 100 dnl PEEPHOLE="$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); gcc-2.95 recommended.]) |
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).]) |
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AC_ARG_VAR(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).]) |
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)]) |
AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)]) |
AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)]) |
Line 68 AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(lo
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Line 109 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)]) |
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AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_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")?]) |
AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default]) |
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 98 AC_SUBST(CC)
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Line 141 AC_SUBST(CC)
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AC_SUBST(DEBUGFLAG) |
AC_SUBST(DEBUGFLAG) |
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AC_MSG_CHECKING(make type) |
AC_MSG_CHECKING(make type) |
make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'` |
make_type=`make -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'` |
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GNUMAKE='#' |
GNUMAKE='#' |
test "$make_type" = "GNU Make" && GNUMAKE='' |
test "$make_type" = "GNU Make" && GNUMAKE='' |
Line 107 AC_MSG_RESULT($make_type)
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Line 150 AC_MSG_RESULT($make_type)
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AC_SUBST(GNUMAKE) |
AC_SUBST(GNUMAKE) |
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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]) |
AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) |
OLDLDFLAGS=$LDFLAGS |
OLDLDFLAGS=$LDFLAGS |
LDFLAGS="$LDFLAGS -export-dynamic" |
LDFLAGS="$LDFLAGS -export-dynamic" |
Line 130 AC_MSG_RESULT($ac_export_dynamic)
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Line 163 AC_MSG_RESULT($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 |
$srcdir/mkinstalldirs arch/hppa |
Line 159 case "$host_cpu" in
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Line 200 case "$host_cpu" in
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x86_64) |
x86_64) |
machine=amd64 |
machine=amd64 |
;; |
;; |
#generic should work for IA64 |
ia64*) |
# ia64*) |
machine=ia64 |
# machine=ia64 |
AC_LIBOBJ(../arch/ia64/flush_icache_block) |
# ;; |
test "$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 186 case "$host_cpu" in
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Line 230 case "$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 $no_dynamic_default; then |
AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
no_dynamic_default=1 |
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AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)]) |
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fi |
;; |
;; |
alpha*) |
alpha*) |
machine=alpha |
machine=alpha |
Line 197 case "$host_cpu" in
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Line 243 case "$host_cpu" in
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power*|rs6000) |
power*|rs6000) |
machine=power |
machine=power |
$srcdir/mkinstalldirs arch/power |
$srcdir/mkinstalldirs arch/power |
AC_CHECK_FUNC(_sync_cache_range,true,AC_LIBOBJ(../arch/power/_sync_cache_range)) |
AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)]) |
#long long is broken on (at least) gcc-2.95.* for PPC |
#long long is broken on (at least) gcc-2.95.* for PPC |
test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0 |
test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0 |
;; |
;; |
Line 207 case "$host_cpu" in
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Line 253 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 $no_dynamic_default; then |
AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
no_dynamic_default=1 |
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AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) |
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fi |
esac |
esac |
AC_SUBST(host) |
AC_SUBST(host) |
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test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1 |
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AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST, |
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[number of registers in the default stack cache state for gforth-fast and gforth-native]) |
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if test "${enable_force_ll+set}" = set; then |
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ac_includes_default="$ac_includes_default |
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#include \"arch/generic/128bit.h\"" |
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fi |
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dnl the following macro produces a warning with autoconf-2.1 |
dnl the following macro produces a warning with autoconf-2.1 |
AC_CHECK_SIZEOF(char *) |
AC_CHECK_SIZEOF(char *) |
case "$ac_cv_sizeof_char_p" in |
case "$ac_cv_sizeof_char_p" in |
Line 233 AC_CHECK_SIZEOF(long)
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Line 290 AC_CHECK_SIZEOF(long)
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AC_CHECK_SIZEOF(long long) |
AC_CHECK_SIZEOF(long long) |
AC_CHECK_SIZEOF(intptr_t) |
AC_CHECK_SIZEOF(intptr_t) |
AC_CHECK_SIZEOF(int128_t) |
AC_CHECK_SIZEOF(int128_t) |
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AC_CHECK_SIZEOF(uint128_t) |
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AC_MSG_CHECKING([for a C type for cells]) |
AC_MSG_CHECKING([for a C type for cells]) |
ac_cv_int_type_cell=none |
ac_cv_int_type_cell=none |
Line 262 esac
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Line 320 esac
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AC_MSG_RESULT($ac_cv_int_type_cell) |
AC_MSG_RESULT($ac_cv_int_type_cell) |
AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) |
AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) |
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AC_MSG_CHECKING([for a C type for wydes]) |
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ac_cv_wyde_type_cell=none |
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case 2 in |
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$ac_cv_sizeof_int) |
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ac_cv_wyde_type_cell=int |
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;; |
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$ac_cv_sizeof_short) |
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ac_cv_wyde_type_cell=short |
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;; |
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$ac_cv_sizeof_char) |
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ac_cv_wyde_type_cell=char |
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;; |
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$ac_cv_sizeof_long) |
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ac_cv_wyde_type_cell=long |
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;; |
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$ac_cv_sizeof_long_long) |
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ac_cv_wyde_type_cell="long long" |
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;; |
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$ac_cv_sizeof_intptr_t) |
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ac_cv_wyde_type_cell="intptr_t" |
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;; |
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$ac_cv_sizeof_int128_t) |
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ac_cv_wyde_type_cell="int128_t" |
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;; |
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esac |
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AC_MSG_RESULT($ac_cv_wyde_type_cell) |
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AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long]) |
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AC_MSG_CHECKING([for a C type for tetrabytes]) |
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ac_cv_tetrabyte_type_cell=none |
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case 4 in |
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$ac_cv_sizeof_int) |
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ac_cv_tetrabyte_type_cell=int |
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;; |
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$ac_cv_sizeof_short) |
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ac_cv_tetrabyte_type_cell=short |
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;; |
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$ac_cv_sizeof_char) |
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ac_cv_tetrabyte_type_cell=char |
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;; |
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$ac_cv_sizeof_long) |
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ac_cv_tetrabyte_type_cell=long |
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;; |
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$ac_cv_sizeof_long_long) |
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ac_cv_tetrabyte_type_cell="long long" |
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;; |
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$ac_cv_sizeof_intptr_t) |
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ac_cv_tetrabyte_type_cell="intptr_t" |
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;; |
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$ac_cv_sizeof_int128_t) |
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ac_cv_tetrabyte_type_cell="int128_t" |
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;; |
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esac |
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AC_MSG_RESULT($ac_cv_tetrabyte_type_cell) |
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AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long]) |
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AC_MSG_CHECKING([for a C type for double-cells]) |
AC_MSG_CHECKING([for a C type for double-cells]) |
ac_cv_int_type_double_cell=none |
ac_cv_int_type_double_cell=none |
case `expr 2 '*' "$ac_cv_sizeof_char_p"` in |
case `expr 2 '*' "$ac_cv_sizeof_char_p"` in |
Line 285 case `expr 2 '*' "$ac_cv_sizeof_char_p"`
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Line 399 case `expr 2 '*' "$ac_cv_sizeof_char_p"`
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;; |
;; |
esac |
esac |
AC_MSG_RESULT($ac_cv_int_type_double_cell) |
AC_MSG_RESULT($ac_cv_int_type_double_cell) |
if test "$ac_cv_int_type_double_cell" = none; then |
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AC_MSG_CHECKING([for a C type for unsigned double-cells]) |
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ac_cv_int_type_double_ucell=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_ucell="unsigned short" |
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;; |
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$ac_cv_sizeof_int) |
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ac_cv_int_type_double_ucell="unsigned int" |
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;; |
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$ac_cv_sizeof_long) |
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ac_cv_int_type_double_ucell="unsigned long" |
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;; |
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$ac_cv_sizeof_long_long) |
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ac_cv_int_type_double_ucell="unsigned long long" |
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;; |
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$ac_cv_sizeof_intptr_t) |
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ac_cv_int_type_double_ucell="unsigned intptr_t" |
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;; |
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$ac_cv_sizeof_uint128_t) |
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ac_cv_int_type_double_ucell="uint128_t" |
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;; |
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esac |
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AC_MSG_RESULT($ac_cv_int_type_double_ucell) |
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if test "$ac_cv_int_type_double_cell" = none || \ |
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test "$ac_cv_int_type_double_ucell" = none |
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then |
AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.]) |
AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.]) |
AC_LIBOBJ(dblsub) |
AC_LIBOBJ(dblsub) |
AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine]) |
AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine]) |
else |
else |
AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer]) |
AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer]) |
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AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer]) |
fi |
fi |
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AC_TYPE_OFF_T |
AC_TYPE_OFF_T |
Line 327 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;E
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Line 469 AC_TRY_COMPILE(,,ac_nocrossjumping=yes;E
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CFLAGS="$CFLAGS_1" |
CFLAGS="$CFLAGS_1" |
AC_MSG_RESULT($ac_nocrossjumping) |
AC_MSG_RESULT($ac_nocrossjumping) |
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# Try if GCC understands -fno-reorder-blocks |
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AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks]) |
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CFLAGS_1="$CFLAGS" |
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CFLAGS="$CFLAGS -fno-reorder-blocks" |
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AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no) |
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CFLAGS="$CFLAGS_1" |
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AC_MSG_RESULT($ac_noreorder_blocks) |
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# Try if GCC understands __attribute__((unused)) |
# Try if GCC understands __attribute__((unused)) |
AC_MSG_CHECKING([how to suppress 'unused variable' warnings]) |
AC_MSG_CHECKING([how to suppress 'unused variable' warnings]) |
AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',) |
AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',) |
Line 345 case "$host_os" in
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Line 495 case "$host_os" in
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*win32|cygwin) |
*win32|cygwin) |
DIRSEP="\\\\" |
DIRSEP="\\\\" |
PATHSEP=";" |
PATHSEP=";" |
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#we want the builtins of command.com/cmd.exe and its |
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# handling of .com files. |
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#$COMSPEC contains the name of the Windows shell; |
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# the ./ is there, because the bash does not recognize |
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# absolute DOS filenames |
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DEFAULTSYSTEMPREFIX="./$COMSPEC /c " |
;; |
;; |
*darwin*) |
*darwin*) |
#Darwin uses some funny preprocessor by default; eliminate it: |
#Darwin uses some funny preprocessor by default; eliminate it: |
Line 352 case "$host_os" in
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Line 508 case "$host_os" in
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CFLAGS="$CFLAGS -no-cpp-precomp" |
CFLAGS="$CFLAGS -no-cpp-precomp" |
DIRSEP="/" |
DIRSEP="/" |
PATHSEP=":" |
PATHSEP=":" |
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DEFAULTSYSTEMPREFIX="" |
;; |
;; |
*) |
*) |
DIRSEP="/" |
DIRSEP="/" |
PATHSEP=":" |
PATHSEP=":" |
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DEFAULTSYSTEMPREFIX="" |
;; |
;; |
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]) |
AC_SUBST(PATHSEP) |
AC_SUBST(PATHSEP) |
AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) |
AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) |
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AC_SUBST(DEFAULTSYSTEMPREFIX) |
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AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX]) |
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dnl Now a little support for DOS/DJGCC |
dnl Now a little support for DOS/DJGCC |
AC_SUBST(GFORTH_EXE) |
AC_SUBST(GFORTH_EXE) |
Line 410 else
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Line 569 else
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fi |
fi |
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#check how to do asm(".skip 16") |
#check how to do asm(".skip 16") |
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echo "CFLAGS=$CFLAGS" |
|
echo "ac_link=$ac_link" |
AC_MSG_CHECKING([if and how we can waste code space]) |
AC_MSG_CHECKING([if and how we can waste code space]) |
skipcode=no |
if test -z "$skipcode"; then |
for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" |
skipcode=no |
do |
CFLAGS_1="$CFLAGS" |
|
CFLAGS="$CFLAGS $ENGINE_FLAGS" |
|
for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" |
|
do |
AC_TRY_RUN( |
AC_TRY_RUN( |
int foo(int); |
[int foo(int,int,int); |
main() |
main() |
{ |
{ |
exit(foo(0)!=16); |
exit(foo(0,0,0)!=16); |
} |
} |
int foo(int x) |
int foo(int x, int y, int z) |
{ |
{ |
|
static void *labels[]={&&label1, &&label2}; |
if (x) { |
if (x) { |
|
y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */ |
label1: |
label1: |
asm("$i"); |
asm("$i"); /* or ".space 16" or somesuch */ |
label2: |
label2: ; |
} |
} |
return (&&label2)-(&&label1); |
{ |
} |
if (y) goto *labels[z]; /* workaround for gcc PR12108 */ |
|
return labels[1]-labels[0]; |
|
} |
|
}] |
,skipcode=$i; break |
,skipcode=$i; break |
,,) |
,,) |
done |
done |
|
CFLAGS=$CFLAGS_1 |
|
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 $no_dynamic_default; then |
|
no_dynamic_default=1 |
|
AC_MSG_WARN(Disabling default dynamic native code generation) |
|
fi |
AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes) |
AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes) |
AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
|
else |
else |
AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes) |
AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes) |
fi |
fi |
|
|
|
test "$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) |
|
|
dnl Checks for programs. |
dnl Checks for programs. |
Line 453 dnl This check is just for making later
|
Line 627 dnl This check is just for making later
|
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) |
|
dnl check for libffi 2.x |
|
AC_CHECK_LIB(ffi,ffi_call) |
|
if test $ac_cv_lib_ffi_ffi_call = yes |
|
then |
|
LIBFFIFLAG="true" |
|
FFCALLFLAG="false" |
|
OLDCALLFLAG="false" |
|
AC_DEFINE(HAS_LIBFFI,,[define this if you want to use the ffcall interface with libffi 2.0]) |
|
else |
dnl check for ffcall libraries |
dnl check for ffcall libraries |
dnl unfortunately, these four calls are separated out into a library each. |
dnl unfortunately, these four calls are separated out into a library each. |
AC_CHECK_LIB(avcall,__builtin_avcall) |
AC_CHECK_LIB(avcall,__builtin_avcall) |
AC_CHECK_LIB(callback,__vacall_r) |
AC_CHECK_LIB(callback,__vacall_r) |
AC_CHECK_LIB(vacall,vacall) |
AC_CHECK_LIB(vacall,vacall) |
AC_CHECK_LIB(trampoline,alloc_trampoline) |
AC_CHECK_LIB(trampoline,alloc_trampoline) |
|
LIBFFIFLAG="false" |
FFCALLFLAG="false" |
FFCALLFLAG="false" |
OLDCALLFLAG="true" |
OLDCALLFLAG="true" |
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]) |
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]) |
test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries]) |
test $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries]) |
|
fi |
|
AC_SUBST(LIBFFIFLAG) |
AC_SUBST(FFCALLFLAG) |
AC_SUBST(FFCALLFLAG) |
AC_SUBST(OLDCALLFLAG) |
AC_SUBST(OLDCALLFLAG) |
if test "$host_os" != "nextstep3" |
if test "$host_os" != "nextstep3" |
Line 474 AC_FUNC_FSEEKO
|
Line 660 AC_FUNC_FSEEKO
|
AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage) |
AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage) |
AC_CHECK_TYPES(stack_t,,,[#include <signal.h>]) |
AC_CHECK_TYPES(stack_t,,,[#include <signal.h>]) |
AC_DECL_SYS_SIGLIST |
AC_DECL_SYS_SIGLIST |
AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt); AC_LIBOBJ(getopt1)) |
AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)]) |
AC_CHECK_FUNCS(expm1 log1p) |
AC_CHECK_FUNCS(expm1 log1p) |
AC_REPLACE_FUNCS(rint ecvt) |
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 |