--- a/configure
+++ b/configure
@@ -706,12 +706,11 @@ int main(void) {
 }
 EOF
 
-$CC -o .1 .1.c
-COMPILER=`./.1 2> /dev/null`
-r=$?
+# preprocess only, the compiled test can not run when cross compiling
+COMPILER=`$CC -E -P .1.c 2> /dev/null | sed -n 's/.*puts("\(.*\)");.*/\1/p' | head -n 1`
 rm -f .1.c .1
 
-if test "$r" -ne 0; then
+if test -z "$COMPILER"; then
 	assert "" "update compiler"
 else
 	echo "success [$CC]"