version 1.101, 2003/01/19 23:35:29
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version 1.141, 2004/08/27 15:53:49
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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) 1995-2003 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],[0.5.9-20021227],[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]) |
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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="27 December 2002" |
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 37 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 "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
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PEEPHOLE="yes" |
dnl PEEPHOLE="yes" |
AC_ARG_WITH(peephole, |
dnl AC_ARG_WITH(peephole, |
[ --with-peephole Enable peephole optimization (default) |
dnl [ --with-peephole Enable peephole optimization (default) |
--without-peephole disables peephole optimization. Creates smaller, |
dnl --without-peephole disables peephole optimization. Creates smaller, |
but slower images.], |
dnl but slower images.], |
PEEPHOLE="$withval") |
dnl PEEPHOLE="$withval") |
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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); gcc-2.95 recommended.]) |
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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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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 64 dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1
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Line 87 dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1
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dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro]) |
dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro]) |
dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro]) |
dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro]) |
# turn on large file support with 64-bit off_t where available |
# turn on large file support with 64-bit off_t where available |
AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro]) |
AC_SYS_LARGEFILE |
AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro]) |
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 |
#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 79 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]) |
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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($ac_export_dynamic) |
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#terminology is a bit unusual here: The host is the system on which |
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#gforth will run; the system on which configure will run is the `build' |
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AC_CANONICAL_HOST |
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case "$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 $no_dynamic_default; then |
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no_dynamic_default=1 |
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AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) |
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fi |
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;; |
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hppa*) |
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machine=hppa |
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$srcdir/mkinstalldirs arch/hppa |
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AC_LIBOBJ(../arch/hppa/cache) |
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#-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net> |
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LDFLAGS="$LDFLAGS -Xlinker -N" |
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LIBS="$LIBS -L/lib/pa1.1/" |
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;; |
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sparc*) |
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machine=sparc |
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;; |
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i386) |
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machine=386 |
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CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
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;; |
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i486) |
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machine=386 |
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CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" |
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;; |
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i*86) |
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machine=386 |
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CFLAGS="$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="$CFLAGS_1 -m486") |
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;; |
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x86_64) |
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machine=amd64 |
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;; |
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ia64*) |
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machine=ia64 |
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AC_LIBOBJ(../arch/ia64/flush_icache_block) |
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test "$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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;; |
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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 |
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;; |
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mips*) |
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machine=mips |
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#dynamic native code has the following problems on MIPS: |
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# |
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#1) J/JAL seems relocatable, but is are only |
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#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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if test -z $no_dynamic_default; then |
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no_dynamic_default=1 |
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AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)]) |
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fi |
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;; |
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alpha*) |
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machine=alpha |
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#full IEEE FP support for more uniformity across platforms: |
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CFLAGS="$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 |
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;; |
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*) |
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AC_MSG_WARN([Using a generic machine description]) |
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AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)]) |
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AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!]) |
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machine=generic |
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#I-cache flushing would be needed for dynamic code generation |
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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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esac |
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AC_SUBST(host) |
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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 *) |
Line 176 test $ac_cv_sizeof_off_t -gt $ac_cv_size
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Line 308 test $ac_cv_sizeof_off_t -gt $ac_cv_size
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ac_small_off_t=$? |
ac_small_off_t=$? |
AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) |
AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) |
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AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) |
ENGINE_FLAGS= |
OLDLDFLAGS=$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($ac_export_dynamic) |
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#terminology is a bit unusual here: The host is the system on which |
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#gforth will run; the system on which configure will run is the `build' |
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AC_CANONICAL_HOST |
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case "$host_cpu" in |
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hppa*) |
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machine=hppa |
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$srcdir/mkinstalldirs arch/hppa |
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AC_LIBOBJ(../arch/hppa/cache) |
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LDFLAGS="$LDFLAGS -Xlinker -N" |
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LIBS="$LIBS -L/lib/pa1.1/" |
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;; |
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sparc*) |
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machine=sparc |
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;; |
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i386) |
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machine=386 |
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CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
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;; |
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i486) |
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machine=386 |
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CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" |
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;; |
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i*86) |
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machine=386 |
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CFLAGS="$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 |
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;; |
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mips*) |
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machine=mips |
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#dynamic native code has the following problems on MIPS: |
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# |
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#1) J/JAL seems relocatable, but is are only |
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#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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;; |
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*) |
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AC_MSG_WARN([Using a generic machine description]) |
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AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)]) |
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AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!]) |
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machine=generic |
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#I-cache flushing would be needed for dynamic code generation |
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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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esac |
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AC_SUBST(host) |
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AC_SUBST(ENGINE_FLAGS) |
AC_SUBST(ENGINE_FLAGS) |
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# Try if GCC understands -fno-cross-jump |
# Try if GCC understands -fno-gcse |
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AC_MSG_CHECKING([if $CC understands -fno-gcse]) |
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CFLAGS_1="$CFLAGS" |
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CFLAGS="$CFLAGS -fno-gcse" |
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AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no) |
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CFLAGS="$CFLAGS_1" |
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AC_MSG_RESULT($ac_nogcse) |
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# Try if GCC understands -fno-strict-aliasing |
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AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing]) |
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CFLAGS_1="$CFLAGS" |
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CFLAGS="$CFLAGS -fno-strict-aliasing" |
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AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no) |
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CFLAGS="$CFLAGS_1" |
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AC_MSG_RESULT($ac_nostrictaliasing) |
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|
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# Try if GCC understands -fno-crossjumping |
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AC_MSG_CHECKING([if $CC understands -fno-crossjumping]) |
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CFLAGS_1="$CFLAGS" |
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CFLAGS="$CFLAGS -fno-crossjumping" |
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AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no) |
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CFLAGS="$CFLAGS_1" |
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AC_MSG_RESULT($ac_nocrossjumping) |
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|
|
# Try if GCC understands -fno-reorder-blocks |
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AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks]) |
CFLAGS_1="$CFLAGS" |
CFLAGS_1="$CFLAGS" |
CFLAGS="$CFLAGS -fno-cross-jump" |
CFLAGS="$CFLAGS -fno-reorder-blocks" |
AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1") |
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($ac_noreorder_blocks) |
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|
|
# Try if GCC understands __attribute__((unused)) |
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AC_MSG_CHECKING([how to suppress 'unused variable' warnings]) |
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AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',) |
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AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$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/$machine) |
AC_SUBST(asm_fs) |
AC_SUBST(asm_fs) |
Line 278 AC_SUBST(asm_fs)
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Line 356 AC_SUBST(asm_fs)
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AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) |
AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) |
AC_SUBST(disasm_fs) |
AC_SUBST(disasm_fs) |
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|
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AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin) |
|
|
case "$host_os" in |
case "$host_os" in |
*win32) |
*win32|cygwin) |
EXE=".exe" |
DIRSEP="\\\\" |
DIRSEP="\\" |
PATHSEP=";" |
|
#we want the builtins of command.com and its handling of .com files |
|
#on some Windows versions "cmd.exe /c " is an alternative |
|
DEFAULTSYSTEMPREFIX="command.com /c " |
;; |
;; |
*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" |
EXE="" |
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DIRSEP="/" |
DIRSEP="/" |
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PATHSEP=":" |
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DEFAULTSYSTEMPREFIX="" |
;; |
;; |
*) |
*) |
EXE="" |
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DIRSEP="/" |
DIRSEP="/" |
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PATHSEP=":" |
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DEFAULTSYSTEMPREFIX="" |
;; |
;; |
esac |
esac |
AC_SUBST(EXE) |
|
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) |
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AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) |
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AC_SUBST(DEFAULTSYSTEMPREFIX) |
|
AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$DEFAULTSYSTEMPREFIX",[default for environment variable GFORTHSYSTEMPREFIX]) |
|
|
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 309 GFORTHITC_EXE=""
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Line 397 GFORTHITC_EXE=""
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AC_SUBST(GFORTHDITC_EXE) |
AC_SUBST(GFORTHDITC_EXE) |
GFORTHDITC_EXE="" |
GFORTHDITC_EXE="" |
|
|
PATHSEP=":" |
|
AC_SUBST(PATHSEP) |
|
AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) |
|
|
|
AC_SUBST(FORTHSIZES) |
AC_SUBST(FORTHSIZES) |
|
|
if test "$PEEPHOLE" = "yes" |
dnl if test "$PEEPHOLE" = "yes" |
then |
dnl then |
PEEPHOLEFLAG="true" |
dnl PEEPHOLEFLAG="true" |
AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization]) |
dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization]) |
else |
dnl else |
PEEPHOLEFLAG="false" |
dnl PEEPHOLEFLAG="false" |
fi |
dnl fi |
|
PEEPHOLEFLAG="true" |
AC_SUBST(PEEPHOLEFLAG) |
AC_SUBST(PEEPHOLEFLAG) |
|
|
dnl copy commands for systems that don't have links |
dnl copy commands for systems that don't have links |
Line 349 fi
|
Line 434 fi
|
|
|
#check how to do asm(".skip 16") |
#check how to do asm(".skip 16") |
AC_MSG_CHECKING([if and how we can waste code space]) |
AC_MSG_CHECKING([if and how we can waste code space]) |
skipcode=no |
if test -z "$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) |
{ |
{ |
|
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("$i"); |
asm(".skip 16"); /* or ".space 16" or somesuch */ |
label2: |
label2: ; |
} |
} |
return (&&label2)-(&&label1); |
{ |
} |
if (y) goto *labels[z]; /* workaround for gcc PR12108 */ |
|
return labels[1]-labels[0]; |
|
} |
|
}] |
,skipcode=$i; break |
,skipcode=$i; break |
,,) |
,,) |
done |
done |
|
fi |
AC_MSG_RESULT($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 391 dnl This check is just for making later
|
Line 485 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 ffcall libraries |
|
dnl unfortunately, these four calls are separated out into a library each. |
|
AC_CHECK_LIB(avcall,__builtin_avcall) |
|
AC_CHECK_LIB(callback,__vacall_r) |
|
AC_CHECK_LIB(vacall,vacall) |
|
AC_CHECK_LIB(trampoline,alloc_trampoline) |
|
FFCALLFLAG="false" |
|
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 $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries]) |
|
AC_SUBST(FFCALLFLAG) |
|
AC_SUBST(OLDCALLFLAG) |
if test "$host_os" != "nextstep3" |
if test "$host_os" != "nextstep3" |
then |
then |
AC_FUNC_MEMCMP |
AC_FUNC_MEMCMP |
Line 398 fi
|
Line 504 fi
|
AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
AC_FUNC_FSEEKO |
AC_FUNC_FSEEKO |
AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage) |
AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage) |
AC_CHECK_TYPES(stack_t) |
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 |