--- extern/KaHIP/lib/partition/uncoarsening/refinement/quotient_graph_refinement/boundary_lookup.h.orig	2022-07-01 08:53:36 UTC
+++ extern/KaHIP/lib/partition/uncoarsening/refinement/quotient_graph_refinement/boundary_lookup.h
@@ -14,7 +14,7 @@
 #include "limits.h"
 #include "partial_boundary.h"
 
-using namespace __gnu_cxx;
+//using namespace __gnu_cxx;
 
 struct boundary_pair {
         PartitionID k;