mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-17 00:24:04 +02:00
80a55e8cc7
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32101 3c298f89-4303-0410-b956-a3cf2f4a3e73
49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
--- a/libc/aclocal.m4
|
|
+++ b/libc/aclocal.m4
|
|
@@ -88,6 +88,12 @@
|
|
fi
|
|
rm -fr contest*])
|
|
|
|
+dnl Test a compiler option or options with an empty input file.
|
|
+dnl LIBC_TRY_CC_OPTION([options], [action-if-true], [action-if-false])
|
|
+AC_DEFUN([LIBC_TRY_CC_OPTION],
|
|
+[AS_IF([AC_TRY_COMMAND([${CC-cc} $1 -xc /dev/null -S -o /dev/null])],
|
|
+ [$2], [$3])])
|
|
+
|
|
AC_DEFUN([LIBC_PROG_BINUTILS],
|
|
[# Was a --with-binutils option given?
|
|
if test -n "$path_binutils"; then
|
|
--- a/libc/configure
|
|
+++ b/libc/configure
|
|
@@ -7404,7 +7404,14 @@
|
|
else
|
|
libc_cv_cc_nofma=
|
|
for opt in -ffp-contract=off -mno-fused-madd; do
|
|
- LIBC_TRY_CC_OPTION($opt, libc_cv_cc_nofma=$opt; break)
|
|
+ if { ac_try='${CC-cc} $opt -xc /dev/null -S -o /dev/null'
|
|
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
|
|
+ (eval $ac_try) 2>&5
|
|
+ ac_status=$?
|
|
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
|
|
+ test $ac_status = 0; }; }; then :
|
|
+ libc_cv_cc_nofma=$opt; break
|
|
+fi
|
|
done
|
|
fi
|
|
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_nofma" >&5
|
|
--- a/libc/configure.in
|
|
+++ b/libc/configure.in
|
|
@@ -2238,10 +2238,9 @@
|
|
libc_cv_cc_submachine, [dnl
|
|
libc_cv_cc_submachine=no
|
|
for opt in "-march=$submachine" "-mcpu=$submachine"; do
|
|
- if AC_TRY_COMMAND([${CC-cc} $opt -xc /dev/null -S -o /dev/null]); then
|
|
+ LIBC_TRY_CC_OPTION([$opt], [
|
|
libc_cv_cc_submachine="$opt"
|
|
- break
|
|
- fi
|
|
+ break], [])
|
|
done])
|
|
if test "x$libc_cv_cc_submachine" = xno; then
|
|
AC_MSG_ERROR([${CC-cc} does not support $submachine])
|