Fix ax_cc_maxopt.m4

This commit is contained in:
Anthony Green
2011-02-15 15:19:49 -05:00
parent 24b72070c0
commit 8cf8878425
13 changed files with 22048 additions and 1497 deletions

40
configure vendored
View File

@@ -12240,45 +12240,6 @@ $as_echo "$icc_archflag" >&6; }
# default optimization flags for gcc on all systems
CFLAGS="-O3 -fomit-frame-pointer"
# -malign-double for x86 systems
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -malign-double" >&5
$as_echo_n "checking whether C compiler accepts -malign-double... " >&6; }
if ${ax_cv_c_flags__malign_double+:} false; then :
$as_echo_n "(cached) " >&6
else
ax_save_FLAGS=$CFLAGS
CFLAGS="-malign-double"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
int
main ()
{
;
return 0;
}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
ax_cv_c_flags__malign_double=yes
else
ax_cv_c_flags__malign_double=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
CFLAGS=$ax_save_FLAGS
fi
eval ax_check_compiler_flags=$ax_cv_c_flags__malign_double
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_check_compiler_flags" >&5
$as_echo "$ax_check_compiler_flags" >&6; }
if test "x$ax_check_compiler_flags" = xyes; then
CFLAGS="$CFLAGS -malign-double"
else
:
fi
# -fstrict-aliasing for gcc-2.95+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -fstrict-aliasing" >&5
$as_echo_n "checking whether C compiler accepts -fstrict-aliasing... " >&6; }
@@ -12318,7 +12279,6 @@ else
fi
# note that we enable "unsafe" fp optimization with other compilers, too
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -ffast-math" >&5
$as_echo_n "checking whether C compiler accepts -ffast-math... " >&6; }
if ${ax_cv_c_flags__ffast_math+:} false; then :