--- branches/development/src/brains/Thermo.cpp	2012/07/03 18:32:27	1764
+++ branches/development/src/brains/Thermo.cpp	2012/07/06 22:01:58	1767
@@ -54,8 +54,10 @@
 #include "types/FixedChargeAdapter.hpp"
 #include "types/FluctuatingChargeAdapter.hpp"
 #include "types/MultipoleAdapter.hpp"
+#ifdef HAVE_QHULL
 #include "math/ConvexHull.hpp"
 #include "math/AlphaHull.hpp"
+#endif
 
 using namespace std;
 namespace OpenMD {
@@ -864,9 +866,9 @@ namespace OpenMD {
 
   RealType Thermo::getHullVolume(){
     Snapshot* snap = info_->getSnapshotManager()->getCurrentSnapshot();
-    
+
+#ifdef HAVE_QHULL    
     if (!snap->hasHullVolume) {
-
       Hull* surfaceMesh_;
 
       Globals* simParams = info_->getSimParams();
@@ -902,5 +904,8 @@ namespace OpenMD {
       snap->setHullVolume(surfaceMesh_->getVolume());
     }
     return snap->getHullVolume();
-  }  
+#else
+    return 0.0;
+#endif
+  }
 }