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configure.ac
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configure.ac
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dnl Process this file with autoconf to produce a configure script.
#Authors: Bernd Paysan, Anton Ertl
#Copyright (C) 1995,1996,1997,1998,2000,2003,2004,2005,2006,2007,2008,2009,2010,2011,2012,2013,2014,2015,2016,2017,2018,2019,2020,2021,2022 Free Software Foundation, Inc.
#This file is part of Gforth.
#Gforth is free software; you can redistribute it and/or
#modify it under the terms of the GNU General Public License
#as published by the Free Software Foundation, either version 3
#of the License, or (at your option) any later version.
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
#GNU General Public License for more details.
#You should have received a copy of the GNU General Public License
#along with this program. If not, see http://www.gnu.org/licenses/.
#We use some automake macros here,
#but don't use automake for creating Makefile.in
AC_INIT([gforth],[0.7.9_20230323],[https://savannah.gnu.org/bugs/?func=addbug&group=gforth])
AC_PREREQ([2.69])
AC_CONFIG_MACRO_DIR([m4])
#snapshots have numbers major.minor.release_YYYYMMDD
#note that lexicographic ordering must be heeded.
#I.e., 0.4.1_YYYYMMDD must not exist before 0.4.1!
UPDATED="March 23, 2023"
AC_SUBST(UPDATED)
AC_CONFIG_HEADERS(engine/config.h)
AC_USE_SYSTEM_EXTENSIONS
# LTDL
LT_INIT([disable-static])
LT_CONFIG_LTDL_DIR([libltdl])
LTDL_INIT
#remnants from having ltdl as convenience library
LTDLDEPS=""
LTDLINCL=""
LIBLTDL=""
LTDL_LDLIBS=""
AC_SUBST(LTDLDEPS)
AC_SUBST(LTDLINCL)
AC_SUBST(LIBLTDL)
AC_SUBST(LTDL_LDLIBS)
#suppress the "-g -O2" default
case "$CFLAGS" in
*-O*)
;;
*)
CFLAGS="$CFLAGS -O2"
;;
esac
AC_SUBST(PROFEXES)
AC_SUBST(PROFOBJS)
AC_ARG_ENABLE(prof,
AS_HELP_STRING([--enable-prof],[ Build gforth-prof, which outputs frequently occuring
sequences of primitives.]),
,enable_prof=no)
if test "$enable_prof" != "no"; then
PROFEXES='gforth-prof$(OPT)$(EXE)'; PROFOBJS='engine-prof$(OPT).o main-prof$(OPT).o profile$(OPT).o'
fi
AC_ARG_WITH(debug,
[ --with-debug specifies option -g to compile with debug info
--without-debug omits the -g switch and creates smaller images on
machines where "strip" has problems with gcc style
debugging informations.],
if test "$withval" = "yes"; then DEBUGFLAG=-g; fi)
NO_CHECK=""
NO_FAIL=""
COMMENT="#"
AC_ARG_WITH(check,
[ --with-check enables sanity check during build (default)
--without-check disables sanity check during build],
if test "$withval" = "no"; then NO_CHECK="$COMMENT"; fi)
AC_ARG_VAR(check_option, [pass engine additional options for check])
AC_SUBST(check_option)
GCC_LD="\$(GCC)"
EC_MODE="false"
NO_EC=""
EC=""
engine2='engine2$(OPT).o'
engine_fast2='engine-fast2$(OPT).o'
no_dynamic=""
image_i=""
signals_o="io.o signals.o"
AC_CANONICAL_HOST
AC_ARG_WITH(ec,
AS_HELP_STRING([--with-ec=<arch>],[ Build gforth for systems without OS.]),
[if test "$withval" = "no"; then
echo "defining hosted system"
CROSS="#"
else
echo "defining standalone system (${withval})"
AC_DEFINE(STANDALONE,,[Define if you want a Gforth without OS])
EC_MODE="true"
EC="-ec"
NO_EC="#"
NO_CHECK="true"
NO_CHECKX="#"
NO_CROSS="#"
CROSS=""
engine2=""
engine_fast2=""
no_dynamic="-DNO_DYNAMIC"
image_i="image.i"
if test "$withval" != "yes"; then
signals_o="io-${withval}.o"
else
signals_o="io.o"
fi
cpu=$host_cpu
case "$cpu" in
i*86)
cpu=386
;;
x86_64)
cpu=amd64
;;
arm64|aarch64)
cpu=arm64
;;
esac
if test -f "$srcdir/arch/${cpu}/${withval}/config.sh"; then
source "$srcdir/arch/${cpu}/${withval}/config.sh"
fi
GCC_PATH=$(which $CC)
LIB_PATH=${GCC_PATH%/*/*}
GCC_LD="\$(LD)"
platform=${withval}
fi])
AC_ARG_WITH(siteinit,
AS_HELP_STRING([--with-siteinit=<string>],[ Add source code to siteinit.fs.]),
[echo "${withval}" >$srcdir/siteinit.fs])
libbench='#'
AC_ARG_ENABLE(lib,
AS_HELP_STRING([--enable-lib],[ Compile Gforth as shared library (default enabled).]),
,enable_lib=yes)
AC_ARG_WITH(cross,
AS_HELP_STRING([--with-cross=<arch>],[ Build gforth using a cross compiler.]),
[if test "$withval" = "no"; then
echo "defining hosted system"
CROSS="#"
else
echo "defining cross compiled system (${withval})"
cpu=$host_cpu
case "$cpu" in
i*86)
cpu=386
;;
x86_64)
cpu=amd64
;;
arm64|aarch64)
cpu=arm64
;;
esac
if test -f "$srcdir/arch/${cpu}/${withval}/config.sh"; then
source "$srcdir/arch/${cpu}/${withval}/config.sh"
fi
GCC_PATH=$(which $CC)
LIB_PATH=${GCC_PATH%/*/*}
platform=${withval}
NO_EC=""
NO_CHECK="true"
NO_CHECKX="#"
NO_CROSS="#"
CROSS=""
NO_FAIL="-"
fi])
EXTRAS=""
AC_ARG_WITH(extras,
AS_HELP_STRING([--with-extras=<path>],[ add extra stuff from <path>]),
[if test "$withval" != "no"; then
EXTRAS+="${withval} "
fi])
AC_SUBST(EXTRAS)
AC_ARG_WITH(install,
AS_HELP_STRING([--with-install=<things>],[ Install extra <things>]),
[if test "$withval" != "no"; then
for i in ${withval//,/ }
do
echo "install $i with $ac_configure_args ..."
eval ./install-$i.sh $ac_configure_args
done
fi])
DITCENGINE="./gforth-ditc"
AC_ARG_WITH(ditc,
AS_HELP_STRING([--with-ditc=<engine>],[ Use this engine for compilation of gforth.fi]),
[if test $"withval" != "no"; then
DITCENGINE=${withval}
fi])
AC_SUBST(DITCENGINE)
# Version string
GFORTH_VERSION=$PACKAGE_VERSION
AC_SUBST(GFORTH_VERSION)
VERSION_MAJOR=`echo $PACKAGE_VERSION | cut -f1 -d '.'`
VERSION_MINOR=`echo $PACKAGE_VERSION | cut -f2 -d '.'`
VERSION_MICRO=`echo $PACKAGE_VERSION | cut -f3 -d '.' | cut -f1 -d '_'`
VERSION_DATE=`echo $PACKAGE_VERSION | cut -f2 -d '_'`
AC_SUBST(VERSION_MAJOR)
AC_SUBST(VERSION_MINOR)
AC_SUBST(VERSION_MICRO)
AC_SUBST(VERSION_DATE)
AC_ARG_ENABLE(version,
AS_HELP_STRING([--disable-version],[ disable multi-version install]),
[if test "$enableval" = "no"; then
PACKAGE_VERSION=current
fi],)
#variables mentioned in INSTALL
AC_ARG_VAR(SH, [The shell])
AC_ARG_VAR(CC, [The C compiler (must support GNU C 2.x).])
AC_ARG_VAR(HOSTCC, [The C compiler on the host (must have the same byte order and word size as target CC).])
AC_ARG_VAR(FORTHSIZES, [Gforth command line options for the default stack and dictionary sizes (see INSTALL).])
AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
AC_ARG_VAR(STACK_CACHE_DEFAULT_FAST, [number of registers in the default stack cache state for gforth-fast and gforth-native (default 1).])
AC_ARG_VAR(GCC_PR15242_WORKAROUND, [Force the enabling (1) or disabling (0) of a workaround for a gcc-3.x performance bug (default unset: use workaround for gcc-3.x)])
AC_ARG_VAR(LIBCC_BUILD_SRC, [(Additional) libcc interface source files that should be processed on building and installation (default none)])
AC_ARG_VAR(ac_cv_sizeof_char_p, [sizeof(char *)])
AC_ARG_VAR(ac_cv_sizeof_void_p, [sizeof(void *)])
AC_ARG_VAR(ac_cv_sizeof_char, [sizeof(char)])
AC_ARG_VAR(ac_cv_sizeof_short, [sizeof(short)])
AC_ARG_VAR(ac_cv_sizeof_int, [sizeof(int)])
AC_ARG_VAR(ac_cv_sizeof_long, [sizeof(long)])
AC_ARG_VAR(ac_cv_sizeof_long_long, [sizeof(long long)])
AC_ARG_VAR(ac_cv_sizeof_intptr_t, [sizeof(intptr_t)])
AC_ARG_VAR(ac_cv_sizeof_int128_t, [sizeof(int128_t)])
AC_ARG_VAR(ac_cv_sizeof_uint128_t, [sizeof(uint128_t)])
AC_ARG_VAR(ac_cv_c_bigendian, [Is the target big-endian ("yes" or "no")?])
AC_ARG_VAR(no_dynamic_default, [run gforth with --dynamic (0) or --no-dynamic (1) by default])
AC_ARG_VAR(condbranch_opt, [enable (1) or disable (0) using two dispatches for conditional branches])
AC_ARG_VAR(skipcode, [assembly code for skipping 16 bytes of code])
AC_ARG_VAR(asmcomment, [assembler comment start string])
AC_ARG_VAR(arm_cacheflush, [file containing ARM cacheflush function (without .c)])
AC_ARG_VAR(LTDL_LIBRARY_PATH, [additional directories for libltdl (for some 64-bit platforms)])
test -z "$HOSTCC" && HOSTCC='$(GCC)'
#set up feature test macros, so the tests get them right:
# turn on all POSIX, SUSv3, and GNU features if available
AC_USE_SYSTEM_EXTENSIONS
#AC_DEFINE_UNQUOTED([_GNU_SOURCE],1,[feature test macro])
#Don't define _POSIX_SOURCE etc. because some OSs (in particular
#MacOSX) disable some features then (MacOSX checks for _POSIX_SOURCE,
#but not for _XOPEN_SOURCE)
#AC_DEFINE_UNQUOTED([_POSIX_SOURCE],1,[feature test macro])
#AC_DEFINE_UNQUOTED([_POSIX_C_SOURCE],199506L,[feature test macro])
#AC_DEFINE_UNQUOTED([_XOPEN_SOURCE],600,[feature test macro])
# turn on large file support with 64-bit off_t where available
AC_SYS_LARGEFILE
#AC_DEFINE_UNQUOTED([_LARGEFILE_SOURCE],1,[feature test macro])
#AC_DEFINE_UNQUOTED([_FILE_OFFSET_BITS],64,[feature test macro])
#currently we force direct threading this way. Eventually we should
#setup in the arch and engine files right
AC_PROG_CC
test "$GCC" = "yes" || AC_MSG_ERROR(Gforth uses GNU C extensions and requires GCC 2.0 or higher)
test "x$SH" = "x" && SH="/bin/sh"
AC_MSG_CHECKING([whether to use two dispatches per conditional branch])
test x$condbranch_opt = x &&
if ($CC -v 2>&1 |grep 'gcc version 3' >/dev/null); then
condbranch_opt=0
else
condbranch_opt=1
fi
AC_MSG_RESULT($condbranch_opt)
AC_SUBST(condbranch_opt)
AC_SUBST(host_cpu)
AC_SUBST(SH)
AC_SUBST(CC)
AC_SUBST(GCC_LD)
AC_SUBST(DEBUGFLAG)
AC_SUBST(EC)
AC_SUBST(NO_EC)
AC_SUBST(NO_CHECK)
AC_SUBST(NO_CHECKX)
AC_SUBST(NO_FAIL)
AC_SUBST(CROSS)
AC_SUBST(NO_CROSS)
AC_SUBST(EC_MODE)
AC_SUBST(engine2)
AC_SUBST(engine_fast2)
AC_SUBST(no_dynamic)
AC_SUBST(image_i)
AC_SUBST(signals_o)
AC_SUBST(mi_prefix)
AC_SUBST(extraccdir)
AC_DEFINE_UNQUOTED([EXTRACCDIR], ["$extraccdir"], [Extra directory where to look for shared libraries])
#this is used to disable some (not generally essential) part of the
#Makefile that some makes don't grok. It would be better to test for
#this specific Makefile feature than the make version.
AC_MSG_CHECKING(make type)
make_type=`make -n -v 2>&1|grep 'ake'|sed 's/ake .*/ake/'`
GNUMAKE='#'
test "$make_type" = "GNU Make" && GNUMAKE=''
AC_MSG_RESULT($make_type)
AC_SUBST(GNUMAKE)
if test "$ac_export_dynamic" != no; then
if test "$ac_export_dynamic" != yes; then
AC_MSG_CHECKING([whether the linker accepts -Wl,--export-dynamic])
OLDLDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
AC_RUN_IFELSE([AC_LANG_SOURCE([[main(){exit(0);}]])],[ac_export_dynamic=yes],[ac_export_dynamic=no],[ac_export_dynamic=no])
LDFLAGS=$OLDLDFLAGS
fi
fi
test $ac_export_dynamic = yes && LDFLAGS="$LDFLAGS -Wl,--export-dynamic"
test $ac_export_dynamic = yes && AC_DEFINE(HAS_BACKLINK,,[Define if you have backlinks])
AC_MSG_RESULT($ac_export_dynamic)
AX_GCC_BUILTIN(__builtin___clear_cache)
FAST=no
ANDROID_EXTRA=""
case "$host_os" in
*android*)
case "$host_cpu" in
arm64*|aarch64*|mips64*)
AC_DEFINE(__ANDROID_API__,21,[Define if you use Android])
ANDROID_EXTRA=-D__ANDROID_API__=21
;;
*)
AC_DEFINE(__ANDROID_API__,21,[Define if you use Android])
ANDROID_EXTRA=-D__ANDROID_API__=21
;;
esac
;;
esac
AC_SUBST(ANDROID_EXTRA)
#terminology is a bit unusual here: The host is the system on which
#gforth will run; the system on which configure will run is the `build'
case "$host_cpu" in
arm64*|aarch64*)
machine=arm64
CFLAGS="$CFLAGS -fomit-frame-pointer"
test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
if test -z "$arm_cacheflush"; then
AC_LIBOBJ(arm64-cacheflush)
fi
;;
arm*)
machine=arm
CFLAGS="$CFLAGS -fomit-frame-pointer"
case "$host" in
*gnueabihf)
# don't build for thumb
CFLAGS="$CFLAGS -marm -march=armv6"
FAST="yes" # build extra fast libraries
;;
*gnueabi*)
# don't build for thumb
CFLAGS="$CFLAGS -marm"
FAST="yes" # build extra fast libraries
;;
esac
if test x$platform = xnxt; then
CFLAGS="$CFLAGS -mthumb -mthumb-interwork"
fi
case "$host_os" in
*android*)
CFLAGS="$CFLAGS -march=armv7-a -mfloat-abi=softfp -mfpu=vfp"
FAST="yes" # build extra fast libraries
;;
esac
case "$host_os" in
*linux*)
AC_LIBOBJ(arm-cacheflush-linux)
;;
*)
AC_LIBOBJ(arm-cacheflush0)
AC_MSG_WARN([No I-cache flush code known, disabling dynamic native code generation])
config_warns="$config_warns
Dynamic NC generation disabled."
;;
esac
#longer skipcodes lead to problems on ARM, and it uses
#only 4-byte alignment anyway
test "$skipcode" || skipcode="nop"
;;
hppa*)
machine=hppa
AC_LIBOBJ(hppa-cache)
#-N needed for --dynamic <M4U3b.3790$9d.317@news.cpqcorp.net>
#LDFLAGS="$LDFLAGS -Xlinker -N" # no longer needed
LIBS="$LIBS -L/lib/pa1.1/"
;;
sparc*)
machine=sparc
;;
i386)
machine=386
CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
case "$host_os" in
*android*)
FAST="yes" # build extra fast libraries
;;
esac
;;
i486)
machine=386
CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
CFLAGS_1="$CFLAGS"
CFLAGS="$CFLAGS -march=i486"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[],[CFLAGS="$CFLAGS_1 -m486"])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[],[CFLAGS="$CFLAGS_1"])
case "$host_os" in
*android*)
FAST="yes" # build extra fast libraries
;;
esac
;;
i*86)
machine=386
CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
CFLAGS_1="$CFLAGS"
CFLAGS="$CFLAGS_1 -march=athlon64 -mtune=generic"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[],[CFLAGS="$CFLAGS_1 -march=pentium -mtune=generic"])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[],[CFLAGS="$CFLAGS_1 -march=pentium"])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[],[CFLAGS="$CFLAGS_1 -m486"])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[],[CFLAGS="$CFLAGS_1"])
case "$host_os" in
*android*)
FAST="yes" # build extra fast libraries
;;
esac
;;
x86_64)
case $CC
in
*-m32*)
machine=386
CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr"
CFLAGS_1="$CFLAGS"
CFLAGS="$CFLAGS -march=athlon64"
;;
*)
machine=amd64
CFLAGS="$CFLAGS -fomit-frame-pointer"
;;
esac
;;
ia64*)
machine=ia64
AC_LIBOBJ(ia64_flush_icache_block)
test "$skipcode" || skipcode="nop.i 0"
#".skip 16" passes the test below,
# but gives an assembler error in engine
;;
m68k)
machine=m68k
CFLAGS="$CFLAGS -fomit-frame-pointer"
if test "$host_os" = "nextstep3"
then
AC_LIBOBJ(termios)
fi
;;
mips*)
machine=mips
AC_LIBOBJ(mips_check_prim)
#dynamic native code has the following problems on MIPS:
#
#1) J/JAL seems relocatable, but is are only
#relocatable within a 256MB-segment. While we try to
#get the linker to arrange this, there is no guarantee
#that this will succeed (and if the user uses a lot of
#memory, it is likely to fail).
#
#2) The way we generate dynamic native code may
#violate MIPS architectural restrictions (in
#particular, the delay slots of LW, MFLO, etc.)
#
#Therefore we disable dynamic native code by default:
if test -z "$no_dynamic_default"; then
no_dynamic_default=1
AC_MSG_WARN([Disabling default dynamic native code generation (relocation and delay slot issues)])
config_warns="$config_warns
Dynamic Code generation disabled (relocation and delay slot issues).]"
fi
;;
alpha*)
machine=alpha
#full IEEE FP support for more uniformity across platforms:
CFLAGS="$CFLAGS -mieee"
;;
power*|rs6000)
machine=power
AC_CHECK_FUNC(_sync_cache_range,[true],[AC_LIBOBJ(power_sync_cache_range)])
#long long is broken on (at least) gcc-2.95.* for PPC
test x$ac_cv_sizeof_long_long = x &&
($CC -v 2>&1 |grep 'gcc version 2.95' >/dev/null) &&
ac_cv_sizeof_long_long=0
#One of the few architectures with enough callee-saved registers
test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
#or use 2, hardly slower at run-time and starts up faster
#the skipcode that is normally selected below does not
#work with gcc-3.[34]
test "$skipcode" || skipcode="nop\nnop\nnop\nnop"
;;
riscv*)
machine=riscv
CFLAGS="$CFLAGS -fomit-frame-pointer"
test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=3
;;
tile*)
machine=tile
;;
*)
AC_MSG_WARN([Using a generic machine description])
AC_MSG_WARN([Assuming C floats and doubles are IEEE floats and doubles (for SF@ DF@ SF! DF!)])
config_warns="$config_warns
Generic machine description used."
machine=generic
#I-cache flushing would be needed for dynamic code generation
if test -z "$no_dynamic_default"; then
if test no = $ax_cv_have___builtin___clear_cache; then
AC_MSG_WARN([FLUSH-ICACHE will do nothing, so END-CODE may not work properly!])
AC_MSG_WARN([Disabling default dynamic native code generation (no I-Cache synchronization)])
config_warns="$config_warns
Dynamic Code generation disabled (no I-cache synchronization)."
fi
fi
esac
AC_SUBST(host)
AC_SUBST(FAST)
MAKEINC=""
GFORTH_EXE="true"
echo "Check for arch/$machine/$platform/gforth.ld ($EC_MODE)"
if test x$EC_MODE = xtrue
then
echo "Check for arch/$machine/$platform/gforth.ld"
if test -f arch/$machine/$platform/gforth.ld
then
LDFLAGS="-T ../arch/$machine/$platform/gforth.ld -Map \$@.map -cref --gc-sections $LDFLAGS"
if test x$platform = xnxt; then
LIBS="$LIB_PATH/lib/gcc/arm-elf/$($CC --version | grep GCC | cut -d' ' -f3)/interwork/libgcc.a $LIB_PATH/arm-elf/lib/interwork/libc.a $LIBS"
fi
fi
if test -f arch/$machine/$platform/make.inc
then
MAKEINC="include ../arch/$machine/$platform/make.inc"
GFORTH_EXE="\$(MAKE) -f arch/$machine/$platform/make.inc \$@.exe"
fi
fi
AC_SUBST(MAKEINC)
AC_ARG_VAR(STACK_CACHE_REGS, [number of registers in the maximum stack cache state for gforth-fast and gforth-native (default platform-dependent).])
test x$STACK_CACHE_REGS = x && STACK_CACHE_REGS=1
AC_DEFINE_UNQUOTED(STACK_CACHE_REGS, $STACK_CACHE_REGS,
[number of registers in the maximum stack cache state for gforth-fast and gforth-native])
test x$STACK_CACHE_DEFAULT_FAST = x && STACK_CACHE_DEFAULT_FAST=1
AC_DEFINE_UNQUOTED(STACK_CACHE_DEFAULT_FAST, $STACK_CACHE_DEFAULT_FAST,
[number of registers in the default stack cache state for gforth-fast and gforth-native])
test x$GCC_PR15242_WORKAROUND = x ||
AC_DEFINE_UNQUOTED(GCC_PR15242_WORKAROUND, $GCC_PR15242_WORKAROUND,
[force (1) or forbid (0) use of a workaround for a gcc performance bug])
#the following macro produces a warning with autoconf-2.1
AC_CHECK_SIZEOF(char *)
case "$ac_cv_sizeof_char_p" in
2)
wordsize=16
;;
4)
wordsize=32
;;
8)
wordsize=64
;;
esac
AC_CHECK_SIZEOF(void *)
case "$ac_cv_sizeof_void_p" in
2)
vwordsize=16
;;
4)
vwordsize=32
;;
8)
vwordsize=64
;;
esac
AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(intptr_t)
AC_CHECK_SIZEOF(int128_t)
AC_CHECK_SIZEOF(uint128_t)
AC_MSG_CHECKING([for a C type for cells])
ac_cv_int_type_cell=none
case "$ac_cv_sizeof_char_p" in
$ac_cv_sizeof_int)
ac_cv_int_type_cell=int
;;
$ac_cv_sizeof_short)
ac_cv_int_type_cell=short
;;
$ac_cv_sizeof_char)
ac_cv_int_type_cell=char
;;
$ac_cv_sizeof_long)
ac_cv_int_type_cell=long
;;
$ac_cv_sizeof_long_long)
ac_cv_int_type_cell="long long"
;;
$ac_cv_sizeof_intptr_t)
ac_cv_int_type_cell="intptr_t"
;;
esac
AC_MSG_RESULT($ac_cv_int_type_cell)
AC_DEFINE_UNQUOTED(CELL_TYPE,$ac_cv_int_type_cell,[an integer type that is as long as a pointer])
AC_MSG_CHECKING([for a C type for wydes])
ac_cv_wyde_type_cell=none
case 2 in
$ac_cv_sizeof_int)
ac_cv_wyde_type_cell=int
;;
$ac_cv_sizeof_short)
ac_cv_wyde_type_cell=short
;;
$ac_cv_sizeof_char)
ac_cv_wyde_type_cell=char
;;
$ac_cv_sizeof_long)
ac_cv_wyde_type_cell=long
;;
$ac_cv_sizeof_long_long)
ac_cv_wyde_type_cell="long long"
;;
$ac_cv_sizeof_intptr_t)
ac_cv_wyde_type_cell="intptr_t"
;;
esac
AC_MSG_RESULT($ac_cv_wyde_type_cell)
AC_DEFINE_UNQUOTED(WYDE_TYPE,$ac_cv_wyde_type_cell,[an integer type that is 2 bytes long])
AC_MSG_CHECKING([for a C type for tetrabytes])
ac_cv_tetrabyte_type_cell=none
case 4 in
$ac_cv_sizeof_int)
ac_cv_tetrabyte_type_cell=int
;;
$ac_cv_sizeof_short)
ac_cv_tetrabyte_type_cell=short
;;
$ac_cv_sizeof_char)
ac_cv_tetrabyte_type_cell=char
;;
$ac_cv_sizeof_long)
ac_cv_tetrabyte_type_cell=long
;;
$ac_cv_sizeof_long_long)
ac_cv_tetrabyte_type_cell="long long"
;;
$ac_cv_sizeof_intptr_t)
ac_cv_tetrabyte_type_cell="intptr_t"
;;
esac
AC_MSG_RESULT($ac_cv_tetrabyte_type_cell)
AC_DEFINE_UNQUOTED(TETRABYTE_TYPE,$ac_cv_tetrabyte_type_cell,[an integer type that is 4 bytes long])
AC_MSG_CHECKING([for a C type for octabytes])
ac_cv_octabyte_type_cell=none
case 8 in
$ac_cv_sizeof_int)
ac_cv_octabyte_type_cell=int
;;
$ac_cv_sizeof_short)
ac_cv_octabyte_type_cell=short
;;
$ac_cv_sizeof_char)
ac_cv_octabyte_type_cell=char
;;
$ac_cv_sizeof_long)
ac_cv_octabyte_type_cell=long
;;
$ac_cv_sizeof_long_long)
ac_cv_octabyte_type_cell="long long"
;;
$ac_cv_sizeof_intptr_t)
ac_cv_octabyte_type_cell="intptr_t"
;;
esac
AC_MSG_RESULT($ac_cv_octabyte_type_cell)
AC_DEFINE_UNQUOTED(OCTABYTE_TYPE,$ac_cv_octabyte_type_cell,[an integer type that is 8 bytes long])
AC_MSG_CHECKING([for a C type for double-cells])
ac_cv_int_type_double_cell=none
case `expr 2 '*' "$ac_cv_sizeof_char_p"` in
$ac_cv_sizeof_short)
ac_cv_int_type_double_cell=short
;;
$ac_cv_sizeof_int)
ac_cv_int_type_double_cell=int
;;
$ac_cv_sizeof_long)
ac_cv_int_type_double_cell=long
;;
$ac_cv_sizeof_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"
;;
$ac_cv_sizeof_uint128_t)
ac_cv_int_type_double_ucell="uint128_t"
;;
esac
AC_MSG_RESULT($ac_cv_int_type_double_ucell)
if test "$ac_cv_int_type_double_cell" != none && \
test "$ac_cv_int_type_double_ucell" != none
then
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])
OPTS=-ll
else
if test "$ac_cv_sizeof_char_p" = 8; then
OPTS="-ll -noll"
else
OPTS=-noll
fi
fi
if grep FORCE_REG $srcdir/arch/$machine/machine.h >/dev/null; then
OPTS2=''
for i in $OPTS; do OPTS2="$OPTS2 $i-reg"; done
OPTS="$OPTS2 $OPTS"
else
AC_DEFINE_UNQUOTED(FORCE_REG_UNNECESSARY,,[defined if the platform does not need FORCE_REG])
fi
AC_SUBST(OPTS)
AC_TYPE_OFF_T
AC_CHECK_SIZEOF(off_t)
test $ac_cv_sizeof_off_t -gt $ac_cv_sizeof_char_p
ac_small_off_t=$?
AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell])
ENGINE_FLAGS=
AC_SUBST(ENGINE_FLAGS)
# Try if GCC understands -fno-gcse
CHECKFLAGS="no-gcse caller-saves no-defer-pop no-inline wrapv char-unsigned no-strict-aliasing no-cse-follow-jumps no-reorder-blocks no-reorder-blocks-and-partition no-toplevel-reorder no-trigraphs align-labels=1 align-loops=1 align-jumps=1 no-delete-null-pointer-checks cf-protection=none"
for i in $CHECKFLAGS
do
AC_MSG_CHECKING([if $CC understands -f$i])
ac_i=$(echo ac_$i | tr '=\-' '__')
CFLAGS_1="$CFLAGS"
CFLAGS="$CFLAGS -f$i"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[eval $ac_i=yes;ENGINE_FLAGS="$ENGINE_FLAGS -f$i"],[eval ac_$ibar=no])
CFLAGS="$CFLAGS_1"
ac_result=$(eval echo "\$$ac_i")
AC_MSG_RESULT($ac_result)
done
# Try if GCC understands -pthread
AC_MSG_CHECKING([if $CC understands -pthread])
CFLAGS_1="$CFLAGS"
LDFLAGS_1="$LDFLAGS"
CFLAGS="$CFLAGS -pthread"
LDFLAGS="$LDFLAGS -pthread"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[ac_pthread=yes;ENGINE_FLAGS="$ENGINE_FLAGS -pthread"],[ac_pthread=no])
test "$ac_pthread" == yes || CFLAGS="$CFLAGS_1"
test "$ac_pthread" == yes || LDFLAGS="$LDFLAGS_1"
AC_MSG_RESULT($ac_pthread)
if test -z "$LIBTOOL_CC"
then
LIBTOOL_CC="$CC"
# Try if GCC understands -Wimplicit-function-declaration
AC_MSG_CHECKING([if $CC understands -Wimplicit-function-declaration])
CFLAGS_1="$CFLAGS"
CFLAGS="$CFLAGS -Wimplicit-function-declaration"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[LIBTOOL_CC="$CC -Wimplicit-function-declaration"],[])
CFLAGS="$CFLAGS_1"
AC_MSG_RESULT($ac_align_jumps)
fi
# remove prefix for cross compilation
LIBTOOL_CC=${LIBTOOL_CC#$CROSS_PREFIX}
AC_SUBST(LIBTOOL_CC)
AC_SUBST(CROSS_PREFIX)
# Try if GCC understands __attribute__((unused))
AC_MSG_CHECKING([how to suppress 'unused variable' warnings])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[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)
# Try if GCC understands __thread
AC_CACHE_CHECK([whether gcc understands '__thread'], [ac_cv_thread],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[extern __thread int foo;]])],[ac_cv_thread=yes],[ac_cv_thread=no])])
test x$ac_cv_thread = xyes && PER_THREAD='__thread'
AC_DEFINE_UNQUOTED(PER_THREAD,$PER_THREAD,[storage class for thread-local variables])
#try if m4 understands -s
AC_MSG_CHECKING([how to invoke m4])
if m4 -s /dev/null >/dev/null 2>&1; then
M4="m4 -s"
else
M4=m4
fi
AC_SUBST(M4)
AC_MSG_RESULT($M4)
#echo "machine='$machine'"
#AC_CHECK_PROG(asm_fs,asm.fs,arch/$machine/asm.fs,,$srcdir/arch/$machine)
if test x$EC_MODE = xfalse
then
AS_IF([test -f $srcdir/arch/$machine/asm.fs],
[asm_fs=arch/$machine/asm.fs])
fi
AC_SUBST(asm_fs)
#AC_CHECK_PROG(disasm_fs,disasm.fs,arch/$machine/disasm.fs,,$srcdir/arch/$machine)
if test x$EC_MODE = xfalse
then
AS_IF([test -f $srcdir/arch/$machine/disasm.fs],
[disasm_fs=arch/$machine/disasm.fs])
fi
AC_SUBST(disasm_fs)
AC_PATH_PROG(INSTALL_INFO,install-info,[echo '>>>>Please make info dir entry:'],$PATH:/sbin:/usr/sbin:/usr/local/sbin)
RM=rm # usually, rm is called rm
MV=mv # usually, mv is called mv
case "$host_os" in
*ios*)
#Darwin uses some funny preprocessor by default; eliminate it:
AC_MSG_CHECKING([if $CC understands -no-cpp-precomp on Darwin])
CFLAGS_1="$CFLAGS"
CFLAGS="$CFLAGS -no-cpp-precomp"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[ac_no_cpp_precomp=yes;ENGINE_FLAGS="$ENGINE_FLAGS -no-cpp-precomp"],[ac_no_cpp_precomp=no])
test "$ac_no_cpp_precomp" == yes || CFLAGS="$CFLAGS_1"
AC_MSG_RESULT($ac_no_cpp_precomp)
DIRSEP="/"
PATHSEP=":"
DEFAULTSYSTEMPREFIX=""
# Mac OS X hides the X stuff in /opt, if you installed
# XQuartz
#the following magic value was suggested by
#http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.10",[an environment variable value needed by libtool on some MacOS X versions])
;;
*darwin*)
#dar*win* must be first, not to confuse with cygwin, win32 or similar
#Darwin uses some funny preprocessor by default; eliminate it:
AC_MSG_CHECKING([if $CC understands -no-cpp-precomp on Darwin])
CFLAGS_1="$CFLAGS"
CFLAGS="$CFLAGS -no-cpp-precomp"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[]])],[ac_no_cpp_precomp=yes;ENGINE_FLAGS="$ENGINE_FLAGS -no-cpp-precomp"],[ac_no_cpp_precomp=no])
test "$ac_no_cpp_precomp" == yes || CFLAGS="$CFLAGS_1"
AC_MSG_RESULT($ac_no_cpp_precomp)
DIRSEP="/"
PATHSEP=":"
DEFAULTSYSTEMPREFIX=""
# Mac OS X hides the X stuff in /opt, if you installed
# XQuartz
case $platform in
ios)
host_os=ios # remove version number
CC=${CC-xcrun -sdk iphoneos clang -arch $cpu -framework OpenGLES}
;;
*)
host_os=darwin # remove version number
for i in /opt/X11 /sw /usr/local
do
test -d $i/include && CPPFLAGS="$CPPFLAGS -I$i/include"
test -d $i/lib && LDFLAGS="$LDFLAGS -L$i/lib"
done
;;
esac
#the following magic value was suggested by
#http://mail.python.org/pipermail/pythonmac-sig/2005-October/015190.html
AC_DEFINE_UNQUOTED(MACOSX_DEPLOYMENT_TARGET,"10.10",[an environment variable value needed by libtool on some MacOS X versions])
;;
*win*|w*-mingw*)
# !!!FIXME!!! problems with cygwin and ';' as path separator
DIRSEP="/" # normal dirsep
PATHSEP=":" # colon as pathsep
#we don't want the builtins of command.com/cmd.exe and its
# handling of .com files.
#$COMSPEC contains the name of the Windows shell;
# the ./ is there, because the bash does not recognize
# absolute DOS filenames
DEFAULTSYSTEMPREFIX="" #"./${COMSPEC//\\/\\\\\\\\} /c "
no_chmod="#"
RM='$GFORTH -e ": rm BEGIN argc @ 1 > WHILE next-arg delete-file throw REPEAT ; rm bye"' # on Windows, use Gforth to delete files
MV='$GFORTH -e ": mv next-arg next-arg rename-file throw ; mv bye"' # on Windows, use Gforth to move files
;;
*linux*)
DIRSEP="/"
PATHSEP=":"
DEFAULTSYSTEMPREFIX=""
if test -z "$LTDL_LIBRARY_PATH" -a "$wordsize" = 64; then
LTDL_LIBRARY_PATH=`/sbin/ldconfig -p |tail -n +2 |sed 's/^.* => //'|sed 's|/[[^/]]*$||'| grep 64 | sort -u | tr '\n' : | sed -e 's/:$//'`
fi
;;
*)
DIRSEP="/"
PATHSEP=":"
DEFAULTSYSTEMPREFIX=""
;;
esac
AC_SUBST(no_chmod)
AC_SUBST(RM)
AC_SUBST(MV)
AC_SUBST(DIRSEP)
AC_DEFINE_UNQUOTED(DIRSEP,'$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])
if test -n "$LTDL_LIBRARY_PATH"; then
AC_DEFINE_UNQUOTED(LTDL_LIBRARY_PATH,"$LTDL_LIBRARY_PATH",[Define LTDL_LIBRARY_PATH for 64 bit Linux])
fi
#work around SELinux brain damage (from Andrew Haley <12t8f3jakb74g2c@news.supernews.com>)
#This magic incantation seems to be completely undocumented.
AC_CHECK_PROG([MASSAGE_EXE],[chcon],[chcon -t unconfined_execmem_exec_t],[true])
#Now a little support for DOS/DJGCC
GFORTHFAST_EXE="$GFORTH_EXE"
GFORTHITC_EXE="$GFORTH_EXE"
GFORTHDITC_EXE="$GFORTH_EXE"