| AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
AC_MSG_WARN(Disabling dynamic native code generation by default (speed penalty factor ~2)) |
| esac |
esac |
| AC_SUBST(host) |
AC_SUBST(host) |
| AC_SUBST(ENGINE_FLAGS) |
|
| |
|
| 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 *) |
| ac_small_off_t=$? |
ac_small_off_t=$? |
| AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) |
AC_DEFINE_UNQUOTED(SMALL_OFF_T,$ac_small_off_t,[1 if off_t fits in a Cell]) |
| |
|
| |
ENGINE_FLAGS= |
| |
AC_SUBST(ENGINE_FLAGS) |
| |
|
| |
# Try if GCC understands -fno-gcse |
| |
|
| |
AC_MSG_CHECKING([if $CC understands -fno-gcse]) |
| |
CFLAGS_1="$CFLAGS" |
| |
CFLAGS="$CFLAGS -fno-gcse" |
| |
AC_TRY_COMPILE(,,ac_nogcse=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-gcse",ac_nogcse=no) |
| |
CFLAGS="$CFLAGS_1" |
| |
AC_MSG_RESULT($ac_nogcse) |
| |
|
| |
# Try if GCC understands -fno-strict-aliasing |
| |
|
| |
AC_MSG_CHECKING([if $CC understands -fno-strict-aliasing]) |
| |
CFLAGS_1="$CFLAGS" |
| |
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-cross-jump |
# Try if GCC understands -fno-cross-jump |
| |
|
| |
AC_MSG_CHECKING([if $CC understands -fno-cross-jump]) |
| CFLAGS_1="$CFLAGS" |
CFLAGS_1="$CFLAGS" |
| CFLAGS="$CFLAGS -fno-cross-jump" |
CFLAGS="$CFLAGS -fno-cross-jump" |
| AC_TRY_COMPILE(,,,CFLAGS="$CFLAGS_1") |
AC_TRY_COMPILE(,,ac_nocrossjump=yes;ENGINE_FLAGS="$ENGINE_FLAGS -fno-cross-jump",ac_nocrossjump=no) |
| |
CFLAGS="$CFLAGS_1" |
| |
AC_MSG_RESULT($ac_nocrossjump) |
| |
|
| AC_CHECK_PROG(asm_fs,asm.fs,arch/$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) |
