-Os is a valid GCC optimization level.

diff --git a/Zend/Zend.m4 b/Zend/Zend.m4
index df8adb479519b117bb2a6f71ca610b060731c135..637e27d4d28bba3f9ac09217c39b3c5fdcf280b9 100644 (file)
--- a/Zend/Zend.m4
+++ b/Zend/Zend.m4
@@ -169,7 +169,7 @@ fi
 
 changequote({,})
 if test -n "$GCC" && test "$ZEND_INLINE_OPTIMIZATION" != "yes"; then
-  INLINE_CFLAGS=`echo $ac_n "$CFLAGS $ac_c" | sed s/-O[0-9]*//`
+  INLINE_CFLAGS=`echo $ac_n "$CFLAGS $ac_c" | sed s/-O[0-9s]*//`
 else
   INLINE_CFLAGS="$CFLAGS"
 fi