--- solve/ngs.cpp.orig	2014-06-01 15:17:41.000000000 -0500
+++ solve/ngs.cpp	2014-06-01 15:18:03.000000000 -0500
@@ -2,8 +2,8 @@
 
 namespace netgen
 {
-  int h_argc;
-  char ** h_argv;
+  extern int h_argc;
+  extern char ** h_argv;
 }
 
 int main(int argc, char ** argv)