version 1.33, 1997/09/01 23:07:06
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version 1.156, 2006/02/19 22:35:40
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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 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 16 dnl Process this file with autoconf to p
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Line 16 dnl Process this file with autoconf to p
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#You should have received a copy of the GNU General Public License |
#You should have received a copy of the GNU General Public License |
#along with this program; if not, write to the Free Software |
#along with this program; if not, write to the Free Software |
#Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
#Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
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AC_INIT(engine/engine.c) |
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AC_CONFIG_HEADER(engine/config.h) |
dnl We use some automake macros here, |
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dnl but don't use automake for creating Makefile.in |
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AC_INIT([gforth],[0.6.2-20060219],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth]) |
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AC_PREREQ(2.54) |
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#snapshots have numbers major.minor.release-YYYYMMDD |
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#note that lexicographic ordering must be heeded. |
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#I.e., 0.4.1-YYYYMMDD must not exist before 0.4.1! |
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UPDATED="September 10, 2003" |
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AC_SUBST(UPDATED) |
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AC_CONFIG_HEADERS(engine/config.h) |
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#suppress the "-g -O2" default |
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test "$CFLAGS" || CFLAGS=-O2 |
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AC_ARG_ENABLE(force-reg, |
AC_ARG_ENABLE(force-reg, |
[ --enable-force-reg Use explicit register declarations if they appear in |
AC_HELP_STRING([--enable-force-reg], |
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[ Use explicit register declarations if they appear in |
the machine.h file. This can cause a good speedup, |
the machine.h file. This can cause a good speedup, |
but also incorrect code with some gcc versions on |
but also incorrect code with some gcc versions on |
some processors (default disabled).], |
some processors (default disabled).]), |
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,enable_force_reg=no) |
AC_DEFINE(FORCE_REG)) |
test "$enable_force_reg" = "no"|| |
dnl this is not quite according to the autoconf manual, it causes a replacement |
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_ARG_ENABLE(direct-threaded, |
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[ --enable-direct-threaded Force direct threading. This may not work on |
AC_ARG_ENABLE(force-ll, |
some machines and may cause slowdown on others. |
AC_HELP_STRING([--enable-force-ll], |
(default processor-dependent)], |
[ Use explicit long long declarations if they appear in |
AC_DEFINE(DIRECT_THREADED)) |
the machine.h file. This can cause a good speedup, |
AC_ARG_ENABLE(indirect-threaded, |
but also incorrect code with some gcc versions on |
[ --enable-indirect-threaded Force indirect threading. This can cause a |
some processors (default disabled).]), |
slowdown on some machines. |
,enable_force_ll=no) |
(default processor-dependent)], |
test "$enable_force_ll" = "no"|| |
AC_DEFINE(INDIRECT_THREADED)) |
AC_DEFINE(FORCE_LL,,[Define if you want to use explicit long long declarations for better performance (does not work with all GCC versions on all machines)]) |
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AC_ARG_ENABLE(gcc-pr15242-workaround, |
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AC_HELP_STRING([--disable-gcc-pr15242-workaround],[Disables |
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dynamic code generation on some versions of gcc |
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(slowdown~2 on Athlon) and causes slower building |
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of gforth (but gforth speedups) on others. |
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(default enabled)]), |
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,enable_gcc_pr15242_workaround=yes) |
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test "$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 (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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CFLAGS=$CFLAGS |
dnl PEEPHOLE="yes" |
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dnl AC_ARG_WITH(peephole, |
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dnl [ --with-peephole Enable peephole optimization (default) |
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dnl --without-peephole disables peephole optimization. Creates smaller, |
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dnl but slower images.], |
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dnl PEEPHOLE="$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(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).]) |
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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_sizeof_uint128_t, [sizeof(uint128_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: |
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# turn on all POSIX, SUSv3, and GNU features if available |
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AC_GNU_SOURCE |
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dnl AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro]) |
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dnl Don't define _POSIX_SOURCE etc. because some OSs (in particular |
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dnl MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE, |
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dnl but not for _XOPEN_SOURCE) |
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dnl AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro]) |
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dnl AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro]) |
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dnl AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro]) |
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# turn on large file support with 64-bit off_t where available |
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AC_SYS_LARGEFILE |
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dnl AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro]) |
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dnl AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro]) |
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#currently we force direct threading this way. Eventually we should |
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#setup in the arch and engine files right |
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AC_PROG_CC |
AC_PROG_CC |
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if test "$GCC" = "yes" |
test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher) |
then |
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echo "Fine, gcc is available" |
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else |
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cat <<'EOF' |
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Gforth requires GCC-2.0 or higher (it uses GNU C extensions). |
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It does not work with other C compilers. Please install the GNU C compiler, |
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and try again (or search for a binary distribution for your platform). |
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EOF |
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exit 1 |
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fi |
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AC_SUBST(CC) |
AC_SUBST(CC) |
AC_SUBST(GCCLDFLAGS) |
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AC_SUBST(DEBUGFLAG) |
AC_SUBST(DEBUGFLAG) |
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AC_MSG_CHECKING(make type) |
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make_type=`make -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'` |
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GNUMAKE='#' |
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test "$make_type" = "GNU Make" && GNUMAKE='' |
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AC_MSG_RESULT($make_type) |
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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 $no_dynamic_default; then |
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no_dynamic_default=1 |
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AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) |
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fi |
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esac |
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AC_SUBST(host) |
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test x$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 "$ac_cv_sizeof_char_p" in |
Line 81 case "$ac_cv_sizeof_char_p" in
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Line 283 case "$ac_cv_sizeof_char_p" in
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;; |
;; |
esac |
esac |
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AC_CHECK_SIZEOF(char) |
AC_CHECK_SIZEOF(short) |
AC_CHECK_SIZEOF(short) |
AC_CHECK_SIZEOF(int) |
AC_CHECK_SIZEOF(int) |
AC_CHECK_SIZEOF(long) |
AC_CHECK_SIZEOF(long) |
AC_CHECK_SIZEOF(long long) |
AC_CHECK_SIZEOF(long long) |
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AC_CHECK_SIZEOF(intptr_t) |
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AC_CHECK_SIZEOF(int128_t) |
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AC_CHECK_SIZEOF(uint128_t) |
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AC_MSG_CHECKING([for a C type for cells]) |
ac_cv_int_type_cell=none |
ac_cv_int_type_cell=none |
case "$ac_cv_sizeof_char_p" in |
case "$ac_cv_sizeof_char_p" in |
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$ac_cv_sizeof_int) |
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ac_cv_int_type_cell=int |
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;; |
$ac_cv_sizeof_short) |
$ac_cv_sizeof_short) |
ac_cv_int_type_cell=short |
ac_cv_int_type_cell=short |
;; |
;; |
$ac_cv_sizeof_int) |
$ac_cv_sizeof_char) |
ac_cv_int_type_cell=int |
ac_cv_int_type_cell=char |
;; |
;; |
$ac_cv_sizeof_long) |
$ac_cv_sizeof_long) |
ac_cv_int_type_cell=long |
ac_cv_int_type_cell=long |
Line 100 case "$ac_cv_sizeof_char_p" in
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Line 310 case "$ac_cv_sizeof_char_p" in
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$ac_cv_sizeof_long_long) |
$ac_cv_sizeof_long_long) |
ac_cv_int_type_cell="long long" |
ac_cv_int_type_cell="long long" |
;; |
;; |
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$ac_cv_sizeof_intptr_t) |
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ac_cv_int_type_cell="intptr_t" |
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;; |
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$ac_cv_sizeof_int128_t) |
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ac_cv_int_type_cell="int128_t" |
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;; |
esac |
esac |
if test "$ac_cv_int_type_cell" != int; then |
AC_MSG_RESULT($ac_cv_int_type_cell) |
echo "So, sizeof(pointer)!=sizeof(int); looks like a DOS C compiler to me." |
AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) |
echo "Since you don't have a proper C on this machine, that's one more reason" |
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echo "to use Forth;-)" |
AC_MSG_CHECKING([for a C type for wydes]) |
fi |
ac_cv_wyde_type_cell=none |
AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell) |
case 2 in |
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$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) |
|
ac_cv_tetrabyte_type_cell="long long" |
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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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;; |
|
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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|
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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 |
$ac_cv_sizeof_short) |
$ac_cv_sizeof_short) |
Line 122 case `expr 2 '*' "$ac_cv_sizeof_char_p"`
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Line 391 case `expr 2 '*' "$ac_cv_sizeof_char_p"`
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$ac_cv_sizeof_long_long) |
$ac_cv_sizeof_long_long) |
ac_cv_int_type_double_cell="long long" |
ac_cv_int_type_double_cell="long long" |
;; |
;; |
|
$ac_cv_sizeof_intptr_t) |
|
ac_cv_int_type_double_cell="intptr_t" |
|
;; |
|
$ac_cv_sizeof_int128_t) |
|
ac_cv_int_type_double_cell="int128_t" |
|
;; |
|
esac |
|
AC_MSG_RESULT($ac_cv_int_type_double_cell) |
|
|
|
AC_MSG_CHECKING([for a C type for unsigned double-cells]) |
|
ac_cv_int_type_double_ucell=none |
|
case `expr 2 '*' "$ac_cv_sizeof_char_p"` in |
|
$ac_cv_sizeof_short) |
|
ac_cv_int_type_double_ucell="unsigned short" |
|
;; |
|
$ac_cv_sizeof_int) |
|
ac_cv_int_type_double_ucell="unsigned int" |
|
;; |
|
$ac_cv_sizeof_long) |
|
ac_cv_int_type_double_ucell="unsigned long" |
|
;; |
|
$ac_cv_sizeof_long_long) |
|
ac_cv_int_type_double_ucell="unsigned long long" |
|
;; |
|
$ac_cv_sizeof_intptr_t) |
|
ac_cv_int_type_double_ucell="unsigned intptr_t" |
|
;; |
|
$ac_cv_sizeof_uint128_t) |
|
ac_cv_int_type_double_ucell="uint128_t" |
|
;; |
esac |
esac |
if test "$ac_cv_int_type_double_cell" = none; then |
AC_MSG_RESULT($ac_cv_int_type_double_ucell) |
echo "Emulating double-cell arithmetic. This may be slow." |
|
echo "If you find this unacceptable, ask the GCC maintainers to provide proper" |
if test "$ac_cv_int_type_double_cell" = none || \ |
echo 'long longs for your machine (the GCC manual states that they \"are twice as' |
test "$ac_cv_int_type_double_ucell" = none |
echo "long as \`long int\'\")." |
then |
LIBOBJS="$LIBOBJS dblsub.o" |
AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.]) |
AC_DEFINE(BUGGY_LONG_LONG) |
AC_LIBOBJ(dblsub) |
|
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,$ac_cv_int_type_double_cell) |
AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer]) |
|
AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer]) |
fi |
fi |
|
|
#terminology is a bit unusual here: The host is the system on which |
AC_TYPE_OFF_T |
#gforth will run; the system on which configure will run is the `build' |
AC_CHECK_SIZEOF(off_t) |
AC_CANONICAL_HOST |
test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p |
case "$host_cpu" in |
ac_small_off_t=$? |
hppa*) |
AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) |
mach_h=hppa |
|
LIBOBJS="cache.o" |
ENGINE_FLAGS= |
LDFLAGS="-Xlinker -N" |
AC_SUBST(ENGINE_FLAGS) |
LIBS="-L/lib/pa1.1/" |
|
if test "${enable_direct_threaded+set}" = "" |
# Try if GCC understands -fno-gcse |
then |
|
AC_DEFINE(DIRECT_THREADED) |
AC_MSG_CHECKING([if $CC understands -fno-gcse]) |
fi |
CFLAGS_1="$CFLAGS" |
;; |
CFLAGS="$CFLAGS -fno-gcse" |
sparc*) |
AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no) |
mach_h=sparc |
CFLAGS="$CFLAGS_1" |
;; |
AC_MSG_RESULT($ac_nogcse) |
i386) |
|
mach_h=386 |
# Try if GCC understands -fno-strict-aliasing |
CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing]) |
if test "${enable_direct_threaded+set}" = "" \ |
CFLAGS_1="$CFLAGS" |
-a "${enable_indirect_threaded+set}" = "" |
CFLAGS="$CFLAGS -fno-strict-aliasing" |
then |
AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no) |
echo "Using direct threaded on 386er" |
CFLAGS="$CFLAGS_1" |
AC_DEFINE(DIRECT_THREADED) |
AC_MSG_RESULT($ac_nostrictaliasing) |
fi |
|
;; |
# Try if GCC understands -fno-crossjumping |
i486) |
AC_MSG_CHECKING([if $CC understands -fno-crossjumping]) |
mach_h=386 |
CFLAGS_1="$CFLAGS" |
CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" |
CFLAGS="$CFLAGS -fno-crossjumping" |
if test "${enable_direct_threaded+set}" = "" \ |
AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no) |
-a "${enable_indirect_threaded+set}" = "" |
CFLAGS="$CFLAGS_1" |
then |
AC_MSG_RESULT($ac_nocrossjumping) |
echo "Using direct threaded on 486er" |
|
AC_DEFINE(DIRECT_THREADED) |
# Try if GCC understands -fno-reorder-blocks |
fi |
AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks]) |
;; |
CFLAGS_1="$CFLAGS" |
i586|i686) |
CFLAGS="$CFLAGS -fno-reorder-blocks" |
mach_h=386 |
AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no) |
CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem -m486" |
CFLAGS="$CFLAGS_1" |
if test "${enable_direct_threaded+set}" = "" \ |
AC_MSG_RESULT($ac_noreorder_blocks) |
-a "${enable_indirect_threaded+set}" = "" |
|
then |
# Try if GCC understands __attribute__((unused)) |
echo "Using indirect threaded on Pentium and up" |
AC_MSG_CHECKING([how to suppress 'unused variable' warnings]) |
AC_DEFINE(INDIRECT_THREADED) |
AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',) |
fi |
AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables]) |
;; |
AC_MSG_RESULT($MAYBE_UNUSED) |
m68k) |
|
mach_h=m68k |
AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine) |
CFLAGS="$CFLAGS -fomit-frame-pointer" |
AC_SUBST(asm_fs) |
if test "$host_os" = "nextstep3" |
|
then |
AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine) |
LIBOBJS="$LIBOBJS termios.o" |
AC_SUBST(disasm_fs) |
fi |
|
;; |
AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin) |
mips*) |
|
mach_h=mips |
case "$host_os" in |
#link text and data segment into the same 256M region! |
*win32|cygwin) |
GCCLDFLAGS="-Xlinker -T -Xlinker 10000000 -Xlinker -D -Xlinker 10400000" |
DIRSEP="\\\\" |
;; |
PATHSEP=";" |
alpha*) |
#we want the builtins of command.com/cmd.exe and its |
mach_h=alpha |
# handling of .com files. |
|
#$COMSPEC contains the name of the Windows shell; |
|
# the ./ is there, because the bash does not recognize |
|
# absolute DOS filenames |
|
DEFAULTSYSTEMPREFIX="./$COMSPEC /c " |
;; |
;; |
power*) |
*darwin*) |
mach_h=power |
#Darwin uses some funny preprocessor by default; eliminate it: |
|
AC_MSG_NOTICE([using -no-cpp-precomp on Darwin]) |
|
CFLAGS="$CFLAGS -no-cpp-precomp" |
|
DIRSEP="/" |
|
PATHSEP=":" |
|
DEFAULTSYSTEMPREFIX="" |
;; |
;; |
*) |
*) |
echo "No direct threading support for $host_cpu, using indirect threading." |
DIRSEP="/" |
echo "Using a generic machine description." |
PATHSEP=":" |
echo "I'll assume that C floats and doubles are represented by IEEE single and" |
DEFAULTSYSTEMPREFIX="" |
echo "double numbers. If this is not so, SF@ etc. will not work correctly." |
;; |
echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!" |
|
mach_h=32bit |
|
esac |
esac |
AC_SUBST(host) |
AC_SUBST(DIRSEP) |
AC_SUBST(ENGINE_FLAGS) |
AC_DEFINE_UNQUOTED(DIRSEP,'$DIRSEP',[a directory separator character]) |
|
AC_SUBST(PATHSEP) |
|
AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP',[a path separator character]) |
|
AC_SUBST(DEFAULTSYSTEMPREFIX) |
|
AC_DEFINE_UNQUOTED(DEFAULTSYSTEMPREFIX,"$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) |
GFORTH_EXE="" |
GFORTH_EXE="" |
|
AC_SUBST(GFORTHFAST_EXE) |
|
GFORTHFAST_EXE="" |
|
AC_SUBST(GFORTHITC_EXE) |
|
GFORTHITC_EXE="" |
AC_SUBST(GFORTHDITC_EXE) |
AC_SUBST(GFORTHDITC_EXE) |
GFORTHDITC_EXE="" |
GFORTHDITC_EXE="" |
|
|
PATHSEP=":" |
|
AC_SUBST(PATHSEP) |
|
AC_DEFINE_UNQUOTED(PATHSEP,'$PATHSEP') |
|
|
|
AC_SUBST(FORTHSIZES) |
AC_SUBST(FORTHSIZES) |
|
|
|
dnl if test "$PEEPHOLE" = "yes" |
|
dnl then |
|
dnl PEEPHOLEFLAG="true" |
|
dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization]) |
|
dnl else |
|
dnl PEEPHOLEFLAG="false" |
|
dnl fi |
|
PEEPHOLEFLAG="true" |
|
AC_SUBST(PEEPHOLEFLAG) |
|
|
dnl copy commands for systems that don't have links |
dnl copy commands for systems that don't have links |
AC_SUBST(LINK_KERNL) |
AC_SUBST(LINK_KERNL) |
LINK_KERNL="" |
LINK_KERNL="" |
Line 246 else
|
Line 568 else
|
KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" |
KERNEL="kernl16l.fi kernl16b.fi kernl32l.fi kernl32b.fi kernl64l.fi kernl64b.fi" |
fi |
fi |
|
|
|
#check how to do asm(".skip 16") |
|
echo "CFLAGS=$CFLAGS" |
|
echo "ac_link=$ac_link" |
|
AC_MSG_CHECKING([if and how we can waste code space]) |
|
if test -z "$skipcode"; then |
|
skipcode=no |
|
CFLAGS_1="$CFLAGS" |
|
CFLAGS="$CFLAGS $ENGINE_FLAGS" |
|
for i in ".skip 16" ".block 16" ".org .+16" ".=.+16" ".space 16" |
|
do |
|
AC_TRY_RUN( |
|
[int foo(int,int,int); |
|
main() |
|
{ |
|
exit(foo(0,0,0)!=16); |
|
} |
|
int foo(int x, int y, int z) |
|
{ |
|
static void *labels[]={&&label1, &&label2}; |
|
if (x) { |
|
y++; /* workaround for http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12108 */ |
|
label1: |
|
asm("$i"); /* or ".space 16" or somesuch */ |
|
label2: ; |
|
} |
|
{ |
|
if (y) goto *labels[z]; /* workaround for gcc PR12108 */ |
|
return labels[1]-labels[0]; |
|
} |
|
}] |
|
,skipcode=$i; break |
|
,,) |
|
done |
|
CFLAGS=$CFLAGS_1 |
|
fi |
|
AC_MSG_RESULT($skipcode) |
|
if test "$skipcode" = no |
|
then |
|
if test -z $no_dynamic_default; then |
|
no_dynamic_default=1 |
|
AC_MSG_WARN(Disabling default dynamic native code generation) |
|
fi |
|
AC_DEFINE_UNQUOTED(SKIP16,((void)0),statement for skipping 16 bytes) |
|
else |
|
AC_DEFINE_UNQUOTED(SKIP16,asm("$skipcode"),statement for skipping 16 bytes) |
|
fi |
|
|
|
test "$no_dynamic_default" || no_dynamic_default=0 |
|
AC_DEFINE_UNQUOTED(NO_DYNAMIC_DEFAULT,$no_dynamic_default,default value for no_dynamic) |
|
|
dnl Checks for programs. |
dnl Checks for programs. |
AC_PROG_LN_S |
AC_PROG_LN_S |
AC_PROG_INSTALL |
AC_PROG_INSTALL |
Line 254 dnl Checks for library functions
|
Line 626 dnl Checks for library functions
|
dnl This check is just for making later checks link with libm. |
dnl This check is just for making later checks link with libm. |
dnl using sin here is no good idea since it is built-into gcc and typechecked |
dnl using sin here is no good idea since it is built-into gcc and typechecked |
AC_CHECK_LIB(m,asin) |
AC_CHECK_LIB(m,asin) |
AC_CHECK_FUNCS(dlopen) |
|
AC_CHECK_LIB(dl,dlopen) |
AC_CHECK_LIB(dl,dlopen) |
AC_CHECK_LIB(kernel32,GetModuleHandle) |
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 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) |
|
LIBFFIFLAG="false" |
|
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 $ac_cv_lib_avcall___builtin_avcall = no && AC_DEFINE(HAS_OLDCALL,,[define this if you want to use the old call libraries]) |
|
fi |
|
AC_SUBST(LIBFFIFLAG) |
|
AC_SUBST(FFCALLFLAG) |
|
AC_SUBST(OLDCALLFLAG) |
if test "$host_os" != "nextstep3" |
if test "$host_os" != "nextstep3" |
then |
then |
AC_FUNC_MEMCMP |
AC_FUNC_MEMCMP |
fi |
fi |
AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
AC_CHECK_FUNCS(sys_siglist) |
AC_FUNC_FSEEKO |
|
AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage) |
|
AC_CHECK_TYPES(stack_t,,,[#include <signal.h>]) |
AC_DECL_SYS_SIGLIST |
AC_DECL_SYS_SIGLIST |
AC_CHECK_FUNC(getopt_long,getopt_long="",getopt_long="getopt.o getopt1.o") |
AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)]) |
AC_SUBST(getopt_long) |
AC_CHECK_FUNCS(expm1 log1p) |
AC_CHECK_FUNCS(rint expm1 log1p) |
AC_REPLACE_FUNCS(rint ecvt) |
AC_REPLACE_FUNCS(ecvt) |
|
dnl No check for select, because our replacement is no good under |
dnl No check for select, because our replacement is no good under |
dnl anything but DOS |
dnl anything but DOS |
AC_CHECK_HEADERS(sys/mman.h) |
AC_CHECK_HEADERS(sys/mman.h fnmatch.h) |
|
AC_FUNC_FNMATCH |
|
test $ac_cv_func_fnmatch_works = yes || AC_LIBOBJ(fnmatch) |
AC_CHECK_FUNCS(mmap sysconf getpagesize) |
AC_CHECK_FUNCS(mmap sysconf getpagesize) |
|
AM_PATH_LISPDIR |
|
|
kernel_fi=kernl${wordsize}${bytesex}.fi |
kernel_fi=kernl${wordsize}${bytesex}.fi |
AC_SUBST(kernel_fi) |
AC_SUBST(kernel_fi) |
|
|
AC_SUBST(mach_h) |
#this breaks bindists |
AC_LINK_FILES($kernel_fi,kernel.fi) |
#dnl replace srource directory by absolute value |
AC_OUTPUT([ |
#if test $srcdir = "."; then srcdir=`pwd` |
|
#fi |
|
|
|
AC_SUBST(machine) |
|
AC_CONFIG_FILES([ |
Makefile |
Makefile |
engine/Makefile ],echo timestamp > stamp-h) |
Makedist |
|
gforthmi |
|
vmgen |
|
machpc.fs |
|
engine/Makefile |
|
doc/version.texi ]) |
|
AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h |
|
chmod +x gforthmi |
|
chmod +x vmgen |
|
test -d kernel||mkdir kernel]],[[]]) |
|
AC_OUTPUT |
|
|