--- src/external/tritri/CMakeLists.txt.orig	2016-02-14 00:01:30 UTC
+++ src/external/tritri/CMakeLists.txt
@@ -10,4 +10,6 @@ intersect_AABB.cpp
 intersect_triangle.cpp
 Tritri.cpp
 Tritri.h
-)
\ No newline at end of file
+)
+
+set_target_properties( tritri PROPERTIES COMPILE_FLAGS "-fPIC")