From 5e82d8e43e60e308019116b902c00b0f326a9a1a Mon Sep 17 00:00:00 2001
From: Sam Edwards <CFSworks@gmail.com>
Date: Sun, 14 Apr 2019 19:06:11 -0600
Subject: [PATCH] CMake: Don't find GLES on macOS; headers known broken

---
 dtool/Package.cmake | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/dtool/Package.cmake b/dtool/Package.cmake
index 384fc7254b..cf1975b202 100644
--- a/dtool/Package.cmake
+++ b/dtool/Package.cmake
@@ -400,7 +400,9 @@ package_option(GL
 package_status(GL "OpenGL")
 
 # OpenGL ES 1
-find_package(OpenGLES1 QUIET)
+if(NOT APPLE) # Apple X11 ships the GLES headers but they're broken
+  find_package(OpenGLES1 QUIET)
+endif()
 
 package_option(GLES1
   "Enable support for OpenGL ES 1.x rendering APIs."
@@ -409,7 +411,9 @@ package_option(GLES1
 package_status(GLES1 "OpenGL ES 1.x")
 
 # OpenGL ES 2
-find_package(OpenGLES2 QUIET)
+if(NOT APPLE) # Apple X11 ships the GLES headers but they're broken
+  find_package(OpenGLES2 QUIET)
+endif()
 
 package_option(GLES2
   "Enable support for OpenGL ES 2.x rendering APIs."