From 0a892b72e698f9e274c9ffc1bc0609c01b7d219b Mon Sep 17 00:00:00 2001
From: Luflosi <luflosi@luflosi.de>
Date: Sun, 21 Jun 2020 18:07:31 +0200
Subject: [PATCH] Fix GLU header inclusion being disabled

From upstream: https://github.com/glfw/glfw/commit/81f475bccbc0e784e8327005f2e66e3546fe8da0.
---
 glfw/glfw3.h | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/glfw/glfw3.h b/glfw/glfw3.h
index cd70e3f9f..8399d8b48 100644
--- a/glfw/glfw3.h
+++ b/glfw/glfw3.h
@@ -195,6 +195,22 @@ extern "C" {
 
  #endif /*__APPLE__*/
 
+#elif defined(GLFW_INCLUDE_GLU)
+
+ #if defined(__APPLE__)
+
+  #if defined(GLFW_INCLUDE_GLU)
+   #include <OpenGL/glu.h>
+  #endif
+
+ #else /*__APPLE__*/
+
+  #if defined(GLFW_INCLUDE_GLU)
+   #include <GL/glu.h>
+  #endif
+
+ #endif /*__APPLE__*/
+
 #elif !defined(GLFW_INCLUDE_NONE) && \
       !defined(__gl_h_) && \
       !defined(__gles1_gl_h_) && \
@@ -218,9 +234,6 @@ extern "C" {
    #define GL_GLEXT_LEGACY
   #endif
   #include <OpenGL/gl.h>
-  #if defined(GLFW_INCLUDE_GLU)
-   #include <OpenGL/glu.h>
-  #endif
 
  #else /*__APPLE__*/
 
@@ -228,9 +241,6 @@ extern "C" {
   #if defined(GLFW_INCLUDE_GLEXT)
    #include <GL/glext.h>
   #endif
-  #if defined(GLFW_INCLUDE_GLU)
-   #include <GL/glu.h>
-  #endif
 
  #endif /*__APPLE__*/