version 1.14, 1995/11/29 20:20:33
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version 1.15, 1995/12/11 13:15:20
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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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AC_INIT(engine.c) |
AC_INIT(engine.c) |
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GCC=${GCC-gcc} |
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AC_SUBST(GCC) |
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dnl configure needs $CC to find out some parameters, and there may be |
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dnl differences in what is obtained from gcc and from the default cc. |
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dnl Therefore, we define $CC to be gcc: |
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CC=$GCC |
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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 |
the machine.h file. This can cause a good speedup, |
the machine.h file. This can cause a good speedup, |
Line 36 AC_ARG_WITH(debug,
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Line 27 AC_ARG_WITH(debug,
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debugging informations.], |
debugging informations.], |
if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
if test "$withval" = "yes"; then DEBUGFLAG=-g; fi) |
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AC_PROG_CC |
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if test "$GCC" = "yes" |
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then |
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echo "Fine, gcc is available" |
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else |
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cat <<'EOF' |
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Gforth uses the GNU-C extensions for better performance. It does not work |
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with other C compilers. Please install a new version of the GNU-C compiler, and |
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try again. |
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EOF |
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exit 1 |
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fi |
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AC_SUBST(CC) |
AC_SUBST(GCCLDFLAGS) |
AC_SUBST(GCCLDFLAGS) |
AC_SUBST(DEBUGFLAG) |
AC_SUBST(DEBUGFLAG) |
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Line 54 case "$ac_cv_sizeof_char_p" in
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Line 59 case "$ac_cv_sizeof_char_p" in
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dnl AC_CHECK_SIZEOF(long long) |
dnl AC_CHECK_SIZEOF(long long) |
dnl if [ $ac_cv_sizeof_long_long != 16 ] |
dnl if [ $ac_cv_sizeof_long_long != 16 ] |
dnl then |
dnl then |
dnl try the whole thing with -mlonlong128 |
dnl try the whole thing with -mlonglong128 |
dnl complain about C compiler and OS vendor |
dnl complain about C compiler and OS vendor |
dnl fi |
dnl fi |
;; |
;; |
Line 75 case "$host_cpu" in
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Line 80 case "$host_cpu" in
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;; |
;; |
i386|i486|i586) |
i386|i486|i586) |
mach_h=386 |
mach_h=386 |
CFLAGS="-fforce-mem -fforce-addr -fomit-frame-pointer" |
CFLAGS="-fomit-frame-pointer -fforce-addr -fforce-mem" |
#!! direct/indirect threading switch |
#!! direct/indirect threading switch |
#!! -m486 flag |
#!! -m486 flag |
;; |
;; |
Line 100 case "$host_cpu" in
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Line 105 case "$host_cpu" in
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mach_h=32bit |
mach_h=32bit |
esac |
esac |
AC_SUBST(host) |
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) |