version 1.92, 2002/12/24 14:47:23
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version 1.147, 2005/01/23 09:55:12
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Line 1
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dnl Process this file with autoconf to produce a configure script. |
dnl Process this file with autoconf to produce a configure script. |
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#Copyright (C) 1995,1996,1997,1998,2000 Free Software Foundation, Inc. |
#Copyright (C) 1995,1996,1997,1998,2000,2003,2004 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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AC_INIT(engine/engine.c) |
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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 |
AM_INIT_AUTOMAKE(gforth,0.5.9-20020901) |
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="1 September 2002" |
UPDATED="September 10, 2003" |
AC_SUBST(UPDATED) |
AC_SUBST(UPDATED) |
AM_CONFIG_HEADER(engine/config.h) |
AC_CONFIG_HEADERS(engine/config.h) |
#AM_CYGWIN32 |
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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 40 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_ARG_ENABLE(force-ll, |
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[ --enable-force-ll 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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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_SUBST(PROFEXES) |
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AC_SUBST(PROFOBJS) |
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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(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_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 |
#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 "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher) |
Line 67 test "$GCC" = "yes" || AC_MSG_ERROR(Gfor
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Line 120 test "$GCC" = "yes" || AC_MSG_ERROR(Gfor
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AC_SUBST(CC) |
AC_SUBST(CC) |
AC_SUBST(DEBUGFLAG) |
AC_SUBST(DEBUGFLAG) |
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AC_MSG_CHECKING(gcc version) |
AC_MSG_CHECKING(make type) |
gcc_version=`$CC -v 2>&1|grep 'gcc version'|sed 's/.*gcc version //'` |
make_type=`make -v 2>&1|grep 'ake version'|sed 's/ version .*//'` |
AC_MSG_RESULT($gcc_version) |
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if expr "$gcc_version" \> 3.0.4 >/dev/null && expr "$gcc_version" \< 3.2.1 >/dev/null |
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then |
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no_dynamic_default=1 |
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AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
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fi |
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dnl the following macro produces a warning with autoconf-2.1 |
GNUMAKE='#' |
AC_CHECK_SIZEOF(char *) |
test "$make_type" = "GNU Make" && GNUMAKE='' |
case "$ac_cv_sizeof_char_p" in |
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2) |
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wordsize=16 |
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;; |
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4) |
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wordsize=32 |
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;; |
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8) |
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wordsize=64 |
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;; |
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esac |
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AC_CHECK_SIZEOF(char) |
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AC_CHECK_SIZEOF(short) |
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AC_CHECK_SIZEOF(int) |
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AC_CHECK_SIZEOF(long) |
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AC_CHECK_SIZEOF(long long) |
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AC_MSG_CHECKING([for a C type for cells]) |
AC_MSG_RESULT($make_type) |
ac_cv_int_type_cell=none |
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case "$ac_cv_sizeof_char_p" in |
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$ac_cv_sizeof_int) |
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ac_cv_int_type_cell=int |
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;; |
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$ac_cv_sizeof_short) |
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ac_cv_int_type_cell=short |
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;; |
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$ac_cv_sizeof_char) |
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ac_cv_int_type_cell=char |
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;; |
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$ac_cv_sizeof_long) |
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ac_cv_int_type_cell=long |
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;; |
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$ac_cv_sizeof_long_long) |
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ac_cv_int_type_cell="long long" |
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;; |
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esac |
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AC_MSG_RESULT($ac_cv_int_type_cell) |
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AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) |
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AC_MSG_CHECKING([for a C type for double-cells]) |
AC_SUBST(GNUMAKE) |
ac_cv_int_type_double_cell=none |
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case `expr 2 '*' "$ac_cv_sizeof_char_p"` in |
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$ac_cv_sizeof_short) |
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ac_cv_int_type_double_cell=short |
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;; |
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$ac_cv_sizeof_int) |
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ac_cv_int_type_double_cell=int |
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;; |
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$ac_cv_sizeof_long) |
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ac_cv_int_type_double_cell=long |
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;; |
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$ac_cv_sizeof_long_long) |
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ac_cv_int_type_double_cell="long long" |
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;; |
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esac |
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AC_MSG_RESULT($ac_cv_int_type_double_cell) |
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if test "$ac_cv_int_type_double_cell" = none; then |
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AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.]) |
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AC_LIBOBJ(dblsub) |
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AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine]) |
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else |
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AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer]) |
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fi |
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AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) |
AC_MSG_CHECKING([whether the linker accepts -export-dynamic]) |
OLDLDFLAGS=$LDFLAGS |
OLDLDFLAGS=$LDFLAGS |
Line 156 AC_MSG_RESULT($ac_export_dynamic)
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Line 143 AC_MSG_RESULT($ac_export_dynamic)
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#gforth will run; the system on which configure will run is the `build' |
#gforth will run; the system on which configure will run is the `build' |
AC_CANONICAL_HOST |
AC_CANONICAL_HOST |
case "$host_cpu" in |
case "$host_cpu" in |
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arm*) |
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machine=arm |
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CFLAGS="$CFLAGS -fomit-frame-pointer" |
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if test -z $no_dynamic_default; then |
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no_dynamic_default=1 |
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AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) |
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fi |
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;; |
hppa*) |
hppa*) |
machine=hppa |
machine=hppa |
$srcdir/mkinstalldirs arch/hppa |
$srcdir/mkinstalldirs arch/hppa |
AC_LIBOBJ(../arch/hppa/cache) |
AC_LIBOBJ(../arch/hppa/cache) |
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#-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net> |
LDFLAGS="$LDFLAGS -Xlinker -N" |
LDFLAGS="$LDFLAGS -Xlinker -N" |
LIBS="$LIBS -L/lib/pa1.1/" |
LIBS="$LIBS -L/lib/pa1.1/" |
;; |
;; |
Line 181 case "$host_cpu" in
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Line 177 case "$host_cpu" in
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CFLAGS="$CFLAGS -march=pentium" |
CFLAGS="$CFLAGS -march=pentium" |
AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") |
AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1 -m486") |
;; |
;; |
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x86_64) |
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machine=amd64 |
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;; |
ia64*) |
ia64*) |
machine=ia64 |
machine=ia64 |
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AC_LIBOBJ(../arch/ia64/flush_icache_block) |
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test "$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 |
;; |
;; |
m68k) |
m68k) |
machine=m68k |
machine=m68k |
Line 207 case "$host_cpu" in
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Line 210 case "$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 $no_dynamic_default; then |
AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
no_dynamic_default=1 |
#link text and data segment into the same 256M region! |
AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)]) |
AC_MSG_CHECKING([whether the linker accepts -T]) |
fi |
OLDLDFLAGS=$LDFLAGS |
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LDFLAGS="$LDFLAGS -Xlinker -T -Xlinker 10000000" |
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AC_TRY_LINK(,,ac_link_mips_t=yes,ac_link_mips_t=no) |
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test $ac_link_mips_t = yes||LDFLAGS=$OLDLDFLAGS |
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AC_MSG_RESULT($ac_link_mips_t) |
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AC_MSG_CHECKING([whether the linker accepts -D]) |
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OLDLDFLAGS=$LDFLAGS |
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LDFLAGS="$LDFLAGS -Xlinker -D -Xlinker 10400000" |
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AC_TRY_LINK(,,ac_link_mips_d=yes,ac_link_mips_d=no) |
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test $ac_link_mips_d = yes||LDFLAGS=$OLDLDFLAGS |
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AC_MSG_RESULT($ac_link_mips_d) |
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;; |
;; |
alpha*) |
alpha*) |
machine=alpha |
machine=alpha |
Line 231 case "$host_cpu" in
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Line 223 case "$host_cpu" in
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power*|rs6000) |
power*|rs6000) |
machine=power |
machine=power |
$srcdir/mkinstalldirs arch/power |
$srcdir/mkinstalldirs arch/power |
AC_CHECK_FUNC(_sync_cache_range,true,AC_LIBOBJ(../arch/power/_sync_cache_range)) |
AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(../arch/power/_sync_cache_range)]) |
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#long long is broken on (at least) gcc-2.95.* for PPC |
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test x$ac_cv_sizeof_long_long = x && ac_cv_sizeof_long_long=0 |
;; |
;; |
*) |
*) |
AC_MSG_WARN([Using a generic machine description]) |
AC_MSG_WARN([Using a generic machine description]) |
AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)]) |
AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)]) |
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 |
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#I-cache flushing would be needed for dynamic code generation |
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if test -z $no_dynamic_default; then |
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no_dynamic_default=1 |
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AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation]) |
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fi |
esac |
esac |
AC_SUBST(host) |
AC_SUBST(host) |
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if test "${enable_force_ll+set}" = set; then |
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ac_includes_default="$ac_includes_default |
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#include \"arch/generic/128bit.h\"" |
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fi |
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dnl the following macro produces a warning with autoconf-2.1 |
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AC_CHECK_SIZEOF(char *) |
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case "$ac_cv_sizeof_char_p" in |
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2) |
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wordsize=16 |
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;; |
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4) |
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wordsize=32 |
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;; |
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8) |
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wordsize=64 |
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;; |
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esac |
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AC_CHECK_SIZEOF(char) |
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AC_CHECK_SIZEOF(short) |
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AC_CHECK_SIZEOF(int) |
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AC_CHECK_SIZEOF(long) |
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AC_CHECK_SIZEOF(long long) |
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AC_CHECK_SIZEOF(intptr_t) |
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AC_CHECK_SIZEOF(int128_t) |
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AC_CHECK_SIZEOF(uint128_t) |
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AC_MSG_CHECKING([for a C type for cells]) |
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ac_cv_int_type_cell=none |
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case "$ac_cv_sizeof_char_p" in |
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$ac_cv_sizeof_int) |
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ac_cv_int_type_cell=int |
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;; |
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$ac_cv_sizeof_short) |
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ac_cv_int_type_cell=short |
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;; |
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$ac_cv_sizeof_char) |
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ac_cv_int_type_cell=char |
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;; |
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$ac_cv_sizeof_long) |
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ac_cv_int_type_cell=long |
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;; |
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$ac_cv_sizeof_long_long) |
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ac_cv_int_type_cell="long long" |
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;; |
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$ac_cv_sizeof_intptr_t) |
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ac_cv_int_type_cell="intptr_t" |
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;; |
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$ac_cv_sizeof_int128_t) |
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ac_cv_int_type_cell="int128_t" |
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;; |
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esac |
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AC_MSG_RESULT($ac_cv_int_type_cell) |
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AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer]) |
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AC_MSG_CHECKING([for a C type for double-cells]) |
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ac_cv_int_type_double_cell=none |
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case `expr 2 '*' "$ac_cv_sizeof_char_p"` in |
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$ac_cv_sizeof_short) |
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ac_cv_int_type_double_cell=short |
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;; |
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$ac_cv_sizeof_int) |
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ac_cv_int_type_double_cell=int |
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;; |
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$ac_cv_sizeof_long) |
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ac_cv_int_type_double_cell=long |
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;; |
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$ac_cv_sizeof_long_long) |
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ac_cv_int_type_double_cell="long long" |
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;; |
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$ac_cv_sizeof_intptr_t) |
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ac_cv_int_type_double_cell="intptr_t" |
|
;; |
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$ac_cv_sizeof_int128_t) |
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ac_cv_int_type_double_cell="int128_t" |
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;; |
|
esac |
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AC_MSG_RESULT($ac_cv_int_type_double_cell) |
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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 |
|
then |
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AC_MSG_WARN([Emulating double-cell arithmetic. This may be slow.]) |
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AC_LIBOBJ(dblsub) |
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AC_DEFINE(BUGGY_LONG_LONG,,[define this if there is no working DOUBLE_CELL_TYPE on your machine]) |
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else |
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AC_DEFINE_UNQUOTED(DOUBLE_CELL_TYPE,$ac_cv_int_type_double_cell,[an integer type that is twice as long as a pointer]) |
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AC_DEFINE_UNQUOTED(DOUBLE_UCELL_TYPE,$ac_cv_int_type_double_ucell,[an unsigned integer type that is twice as long as a pointer]) |
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fi |
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AC_TYPE_OFF_T |
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AC_CHECK_SIZEOF(off_t) |
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test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p |
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ac_small_off_t=$? |
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AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) |
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ENGINE_FLAGS= |
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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|
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AC_MSG_CHECKING([if $CC understands -fno-gcse]) |
CFLAGS_1="$CFLAGS" |
CFLAGS_1="$CFLAGS" |
CFLAGS="$CFLAGS -fno-cross-jump" |
CFLAGS="$CFLAGS -fno-gcse" |
AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1") |
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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|
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# Try if GCC understands -fno-strict-aliasing |
|
AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing]) |
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CFLAGS_1="$CFLAGS" |
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CFLAGS="$CFLAGS -fno-strict-aliasing" |
|
AC_TRY_COMPILE(,,ac_nostrictaliasing=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-strict-aliasing",ac_nostrictaliasing=no) |
|
CFLAGS="$CFLAGS_1" |
|
AC_MSG_RESULT($ac_nostrictaliasing) |
|
|
|
# Try if GCC understands -fno-crossjumping |
|
AC_MSG_CHECKING([if $CC understands -fno-crossjumping]) |
|
CFLAGS_1="$CFLAGS" |
|
CFLAGS="$CFLAGS -fno-crossjumping" |
|
AC_TRY_COMPILE(,,ac_nocrossjumping=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-crossjumping",ac_nocrossjumping=no) |
|
CFLAGS="$CFLAGS_1" |
|
AC_MSG_RESULT($ac_nocrossjumping) |
|
|
|
# Try if GCC understands -fno-reorder-blocks |
|
AC_MSG_CHECKING([if $CC understands -fno-reorder-blocks]) |
|
CFLAGS_1="$CFLAGS" |
|
CFLAGS="$CFLAGS -fno-reorder-blocks" |
|
AC_TRY_COMPILE(,,ac_noreorder_blocks=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-reorder-blocks",ac_noreorder_blocks=no) |
|
CFLAGS="$CFLAGS_1" |
|
AC_MSG_RESULT($ac_noreorder_blocks) |
|
|
|
# Try if GCC understands __attribute__((unused)) |
|
AC_MSG_CHECKING([how to suppress 'unused variable' warnings]) |
|
AC_TRY_COMPILE(,[int __attribute__((unused)) foo;], MAYBE_UNUSED='__attribute__((unused))',) |
|
AC_DEFINE_UNQUOTED(MAYBE_UNUSED,$MAYBE_UNUSED,[attribute for possibly unused variables]) |
|
AC_MSG_RESULT($MAYBE_UNUSED) |
|
|
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 254 AC_SUBST(asm_fs)
|
Line 409 AC_SUBST(asm_fs)
|
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) |
|
|
|
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 "$host_os" in |
*win32) |
*win32|cygwin) |
EXE=".exe" |
DIRSEP="\\\\" |
DIRSEP="\\" |
PATHSEP=";" |
|
#we want the builtins of command.com/cmd.exe and its |
|
# handling of .com files. |
|
#$COMSPEC contains the name of the Windows shell; |
|
# the ./ is there, because the bash does not recognize |
|
# absolute DOS filenames |
|
DEFAULTSYSTEMPREFIX="./$COMSPEC /c " |
|
;; |
|
*darwin*) |
|
#Darwin uses some funny preprocessor by default; eliminate it: |
|
AC_MSG_NOTICE([using -no-cpp-precomp on Darwin]) |
|
CFLAGS="$CFLAGS -no-cpp-precomp" |
|
DIRSEP="/" |
|
PATHSEP=":" |
|
DEFAULTSYSTEMPREFIX="" |
;; |
;; |
*) |
*) |
EXE="" |
|
DIRSEP="/" |
DIRSEP="/" |
|
PATHSEP=":" |
|
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) |
|
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) |
Line 278 GFORTHITC_EXE=""
|
Line 453 GFORTHITC_EXE=""
|
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 "$PEEPHOLE" = "yes" |
then |
dnl then |
PEEPHOLEFLAG="true" |
dnl PEEPHOLEFLAG="true" |
AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization]) |
dnl AC_DEFINE(HAS_PEEPHOLE,,[Define if you want to use peephole optimization]) |
else |
dnl else |
PEEPHOLEFLAG="false" |
dnl PEEPHOLEFLAG="false" |
fi |
dnl fi |
|
PEEPHOLEFLAG="true" |
AC_SUBST(PEEPHOLEFLAG) |
AC_SUBST(PEEPHOLEFLAG) |
|
|
dnl copy commands for systems that don't have links |
dnl copy commands for systems that don't have links |
Line 318 fi
|
Line 490 fi
|
|
|
#check how to do asm(".skip 16") |
#check how to do asm(".skip 16") |
AC_MSG_CHECKING([if and how we can waste code space]) |
AC_MSG_CHECKING([if and how we can waste code space]) |
skipcode=no |
if test -z "$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. |
AC_PROG_LN_S |
AC_PROG_LN_S |
dnl AM_PROG_INSTALL #performed by AM_INIT_AUTOMAKE |
AC_PROG_INSTALL |
|
|
dnl Checks for library functions |
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_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 "$host_os" != "nextstep3" |
then |
then |
AC_FUNC_MEMCMP |
AC_FUNC_MEMCMP |
fi |
fi |
AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal atanh) |
AC_CHECK_FUNCS(dlopen sys_siglist getrusage) |
AC_FUNC_FSEEKO |
|
AC_CHECK_FUNCS(ftello dlopen sys_siglist getrusage) |
|
AC_CHECK_TYPES(stack_t,,,[#include <signal.h>]) |
AC_DECL_SYS_SIGLIST |
AC_DECL_SYS_SIGLIST |
AC_CHECK_FUNC(getopt_long,true,AC_LIBOBJ(getopt); AC_LIBOBJ(getopt1)) |
AC_CHECK_FUNC(getopt_long,[true],[AC_LIBOBJ(getopt) AC_LIBOBJ(getopt1)]) |
AC_CHECK_FUNCS(expm1 log1p) |
AC_CHECK_FUNCS(expm1 log1p) |
AC_REPLACE_FUNCS(rint ecvt) |
AC_REPLACE_FUNCS(rint ecvt) |
dnl No check for select, because our replacement is no good under |
dnl No check for select, because our replacement is no good under |
Line 387 AC_SUBST(kernel_fi)
|
Line 582 AC_SUBST(kernel_fi)
|
#fi |
#fi |
|
|
AC_SUBST(machine) |
AC_SUBST(machine) |
dnl AC_LINK_FILES(arch/$machine,arch/machine) #no longer needed |
AC_CONFIG_FILES([ |
AC_OUTPUT([ |
|
Makefile |
Makefile |
Makedist |
Makedist |
gforthmi |
gforthmi |
vmgen |
vmgen |
machpc.fs |
machpc.fs |
engine/Makefile |
engine/Makefile |
doc/version.texi ], |
doc/version.texi ]) |
echo timestamp > stamp-h |
AC_CONFIG_COMMANDS([stamp-h],[[echo timestamp > stamp-h |
chmod +x gforthmi |
chmod +x gforthmi |
chmod +x vmgen |
chmod +x vmgen |
test -d kernel||mkdir kernel) |
test -d kernel||mkdir kernel]],[[]]) |
|
AC_OUTPUT |
|
|