Tried to get it to compile by adding a couple of #defines but no good.

cluster.cc

@@ -14,6 +14,9 @@
 #include "infer.h"
 #include "options.h"
 
+#define _GNU_SOURCE 1
+#define POSIX_SOURCE 1
+
 using namespace NEWIMAGE;
 using std::vector;
 using namespace Utilities;