version 1.6, 1995/01/19 17:47:58
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version 1.19, 1996/01/07 17:22:08
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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. |
AC_INIT(engine.c) |
AC_INIT(engine.c) |
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AC_CONFIG_HEADER(config.h) |
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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 20 AC_ARG_ENABLE(indirect-threaded,
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Line 21 AC_ARG_ENABLE(indirect-threaded,
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(default processor-dependent)], |
(default processor-dependent)], |
AC_DEFINE(INDIRECT_THREADED)) |
AC_DEFINE(INDIRECT_THREADED)) |
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AC_ARG_WITH(debug, |
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[ --with-debug specifies option -g to compile with debug info (default) |
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--without-debug omits the -g switch and creates smaller images on |
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machines where "strip" has problems with gcc style |
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debugging informations.], |
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if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
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CFLAGS=$CFLAGS |
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AC_PROG_CC |
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if test "$GCC" = "yes" |
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then |
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echo "Fine, gcc is available" |
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else |
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cat <<'EOF' |
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Gforth requires GCC-2.0 or higher (it uses GNU C extensions). |
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It does not work with other C compilers. Please install the GNU C compiler, |
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and try again (or search for a binary distribution for your platform). |
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EOF |
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exit 1 |
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fi |
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AC_SUBST(CC) |
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AC_SUBST(GCCLDFLAGS) |
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AC_SUBST(DEBUGFLAG) |
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dnl the following macro produces a warning with autoconf-2.1 |
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AC_CHECK_SIZEOF(char *) |
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case "$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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dnl AC_CHECK_SIZEOF(long long) |
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dnl if [ $ac_cv_sizeof_long_long != 16 ] |
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dnl then |
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dnl try the whole thing with -mlonglong128 |
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dnl complain about C compiler and OS vendor |
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dnl fi |
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;; |
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esac |
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#terminology is a bit unusual here: The host is the system on which |
#terminology is a bit unusual here: The host is the system on which |
#gforth will run; the system on which configure will run is the `build' |
#gforth will run; the system on which configure will run is the `build' |
AC_CANONICAL_HOST |
AC_CANONICAL_HOST |
Line 35 case "$host_cpu" in
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Line 83 case "$host_cpu" in
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;; |
;; |
i386|i486|i586) |
i386|i486|i586) |
mach_h=386 |
mach_h=386 |
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CFLAGS="$CFLAGS -fomit-frame-pointer -fforce-addr -fforce-mem" |
#!! direct/indirect threading switch |
#!! direct/indirect threading switch |
#!! -m486 flag |
#!! -m486 flag |
;; |
;; |
m68*) |
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mach_h=m68k |
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;; |
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mips*) |
mips*) |
mach_h=mips |
mach_h=mips |
LDFLAGS="-Xlinker -N" |
#link text and data segment into the same 256M region! |
#!! link text and data segment into the same 256M region! |
GCCLDFLAGS="-Xlinker -T -Xlinker 10000000 -Xlinker -D -Xlinker 10400000" |
#!! does cacheflush work on OSs other than Ultrix? |
;; |
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alpha*) |
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mach_h=alpha |
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echo Very Preliminary Support for Alpha!!! |
;; |
;; |
*) |
*) |
echo "No direct threading support for $host_cpu, using indirect threading." |
echo "No direct threading support for $host_cpu, using indirect threading." |
echo "Using a generic 32-bit machine description. It will only work if char * AND" |
echo "Using a generic machine description. It will only work if char * AND" |
echo "long values have 32 bits." |
echo "long values have the same size and long long is twice as long." |
echo "I'll assume that C floats and doubles are represented by IEEE single and" |
echo "I'll assume that C floats and doubles are represented by IEEE single and" |
echo "double numbers. If this is not so, SF@ etc. will not work correctly." |
echo "double numbers. If this is not so, SF@ etc. will not work correctly." |
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echo "FLUSH-ICACHE will do nothing, so END-CODE may not work properly!" |
mach_h=32bit |
mach_h=32bit |
esac |
esac |
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AC_SUBST(host) |
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AC_SUBST(ENGINE_FLAGS) |
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dnl Now a little support for DOS/DJGCC |
dnl Now a little support for DOS/DJGCC |
AC_SUBST(MAKE_EXE) |
AC_SUBST(MAKE_EXE) |
Line 78 LINK_KERNL64B=""
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Line 130 LINK_KERNL64B=""
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#then |
#then |
# echo Configuring for DOS!!! |
# echo Configuring for DOS!!! |
# MAKE_EXE="coff2exe gforth" |
# MAKE_EXE="coff2exe gforth" |
# LINK_KERNL32L='$(CP) kernl32l.fi gforth.fi' |
# LINK_KERNL32L='$(CP) kernl32l.fi kernal.fi' |
#fi |
#fi |
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dnl the following macro produces a warning with autoconf-2.1 |
dnl the following macro produces a warning with autoconf-2.1 |
Line 102 dnl This check is just for making later
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Line 154 dnl This check is just for making later
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dnl using sin here is no good idea since it is built-into gcc and typechecked |
dnl using sin here is no good idea since it is built-into gcc and typechecked |
AC_CHECK_LIB(m,asin) |
AC_CHECK_LIB(m,asin) |
AC_FUNC_MEMCMP |
AC_FUNC_MEMCMP |
AC_REPLACE_FUNCS(memmove strtoul) |
AC_REPLACE_FUNCS(memmove strtoul pow10 strerror strsignal) |
AC_CHECK_FUNC(getopt_long,getop_long="",getopt_long="getopt.o getopt1.o") |
AC_CHECK_FUNCS(sys_siglist) |
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AC_DECL_SYS_SIGLIST |
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AC_CHECK_FUNC(getopt_long,getopt_long="",getopt_long="getopt.o getopt1.o") |
AC_SUBST(getopt_long) |
AC_SUBST(getopt_long) |
AC_CHECK_FUNCS(rint expm1 log1p pow10) |
AC_CHECK_FUNCS(rint expm1 log1p) |
AC_REPLACE_FUNCS(ecvt) |
AC_REPLACE_FUNCS(ecvt) |
dnl No check for select, because our replacement is no good under |
dnl No check for select, because our replacement is no good under |
dnl anything but DOS |
dnl anything but DOS |
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dnl autoconf requires (implicitly) that AC_LINK_FILES is used only once |
kernal_fi=kernl${wordsize}${bytesex}.fi |
AC_LINK_FILES(${mach_h}.h kernl32${bytesex}.fi,machine.h gforth.fi) |
AC_SUBST(kernal_fi) |
AC_OUTPUT(Makefile) |
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AC_LINK_FILES(${mach_h}.h $kernal_fi,machine.h kernal.fi) |
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AC_OUTPUT(Makefile,echo timestamp > stamp-h) |
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