--- config.tests/unix/compile.test.orig	2008-10-31 13:17:24.000000000 -0400
+++ config.tests/unix/compile.test	2008-10-31 13:20:04.000000000 -0400
@@ -28,6 +28,10 @@
     -L*|-l*|-pthread)
 	LFLAGS="$LFLAGS $PARAM"
 	;;
+    -isystem*)
+        INC=`echo $PARAM | sed -e 's/^-isystem//'`
+        INCLUDEPATH="$INCLUDEPATH $INC"
+        ;;
     -I*)
         INC=`echo $PARAM | sed -e 's/^-I//'`
         INCLUDEPATH="$INCLUDEPATH $INC"