Merge commit '23157d72'

* commit '23157d72':
  configure: Split test_cflags function off from check_cflags
Merged-by: Michael Niedermayer <michaelni@gmx.at>

configure

@@ -857,14 +857,19 @@ int x;
 EOF
 }
 
-check_cflags(){
-    log check_cflags "$@"
+test_cflags(){
+    log test_cflags "$@"
     set -- $($cflags_filter "$@")
-    check_cc "$@" <<EOF && append CFLAGS "$@"
+    check_cc "$@" <<EOF
 int x;
 EOF
 }
 
+check_cflags(){
+    log check_cflags "$@"
+    test_cflags "$@" && add_cflags "$@"
+}
+
 check_cxxflags(){
     log check_cxxflags "$@"
     set -- $($cflags_filter "$@")