From a56b3c21942737208a4f54f869b239b1d293cb00 Mon Sep 17 00:00:00 2001
From: Ahmad Fatoum <ahmad@a3f.at>
Date: Sun, 7 Oct 2018 00:33:05 +0200
Subject: [PATCH] CMake: suppress OpenGL deprecation warnings on macOS Mojave

A single warning at configuration time is enough.
---
 src/CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c86cc0e79..a8d8635f2 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -73,6 +73,10 @@ if(${PLATFORM} MATCHES "Desktop")
     find_library(OPENGL_LIBRARY OpenGL)
     set(LIBS_PRIVATE ${OPENGL_LIBRARY})
     link_libraries("${LIBS_PRIVATE}")
+    if (NOT CMAKE_SYSTEM STRLESS "Darwin-18.0.0")
+      add_definitions(-DGL_SILENCE_DEPRECATION)
+      MESSAGE(AUTHOR_WARNING "OpenGL is deprecated starting with macOS 10.14 (Mojave)!")
+    endif()
   elseif(WIN32)
     add_definitions(-D_CRT_SECURE_NO_WARNINGS)
   else()