--- ray/src/util/CMakeLists.txt	2018/03/20 22:48:10	1.27
+++ ray/src/util/CMakeLists.txt	2018/06/20 03:04:44	1.28
@@ -79,11 +79,11 @@ endif()
 if(APPLE)
   find_library(OPENGL_gl_LIBRARY
     NAMES GL MesaGL
-    PATHS /usr/X11R6/lib
+    PATHS ${X11_LIB_SEARCH_PATH}
   )
   find_library(OPENGL_glu_LIBRARY
     NAMES GLU MesaGLU
-    PATHS /usr/X11R6/lib
+    PATHS ${X11_LIB_SEARCH_PATH}
   )
   set(OPENGL_LIBRARIES ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY})
 else()