From f95941bbba15c016e8ceba55accd79f98c171aa9 Mon Sep 17 00:00:00 2001
From: don bright <hugh.m.bright@gmail.com>
Date: Thu, 23 May 2013 19:31:49 -0700
Subject: [PATCH] update cmake to work with custom built GLU in $BASEDIR

---
 tests/CMakeLists.txt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 9821d701..39dc341b 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -252,6 +252,18 @@ endif()
 
 # OpenGL
 find_package(OpenGL REQUIRED)
+if (NOT OPENGL_GLU_FOUND)
+  message(STATUS "GLU not found in system paths...searching $ENV{OPENSCAD_LIBRARIES} ")
+  find_library(OPENGL_glu_LIBRARY GLU HINTS $ENV{OPENSCAD_LIBRARIES}/lib)
+  if (NOT OPENGL_glu_LIBRARY)
+    message(FATAL "GLU library not found")
+  endif()
+  set(OPENGL_LIBRARIES ${OPENGL_glu_LIBRARY} ${OPENGL_LIBRARIES})
+  message(STATUS "OpenGL LIBRARIES: ")
+  foreach(GLLIB ${OPENGL_LIBRARIES})
+    message(STATUS "  " ${GLLIB})
+  endforeach()
+endif()
 
 # OpenCSG
 if (NOT $ENV{OPENCSGDIR} STREQUAL "")