From 0a98405424f94d0b727e74e774f2901bfb7bfbb4 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Sun, 16 Dec 2018 18:18:52 +0100
Subject: [PATCH] macOS + CMake: restore building of GLU_based test apps.

---
 CMake/options.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/CMake/options.cmake b/CMake/options.cmake
index 6a79aecc2..ab915a7b3 100644
--- a/CMake/options.cmake
+++ b/CMake/options.cmake
@@ -133,6 +133,7 @@ if(OPTION_USE_GL)
       set(OPENGL_FOUND TRUE)
       get_filename_component(PATH_TO_XLIBS ${X11_X11_LIB} PATH)
       set(OPENGL_LIBRARIES -L${PATH_TO_XLIBS} -lGLU -lGL)
+      find_file(HAVE_GL_GLU_H GL/glu.h PATHS /opt/X11/include)
    else()
       include(FindOpenGL)
       if(APPLE)