diff -r 031db7992cf7 src/backend/filters/algorithms/convexHull.h
--- src/backend/filters/algorithms/convexHull.h	Sun Feb 11 00:27:02 2018 +0000
+++ src/backend/filters/algorithms/convexHull.h	Sun Feb 11 00:34:47 2018 +0000
@@ -35,7 +35,7 @@
 	#endif
 	extern "C"
 	{
-		#include <qhull/qhull_a.h>
+		#include <libqhull/qhull_a.h>
 	}
 	#ifdef __POWERPC__
 		#pragma pop_macro("__POWERPC__")