From 94595195b239d59c96154b76b09c9ed7617f3c5f Mon Sep 17 00:00:00 2001
From: armageddon421 <armageddon421@googlemail.com>
Date: Tue, 28 Apr 2020 23:25:09 +0200
Subject: [PATCH] Update CMakeLists.txt to fix CMake build for Raspberry Pi

---
 src/CMakeLists.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index aba877e77..a162fc791 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -117,6 +117,16 @@ elseif(${PLATFORM} MATCHES "Raspberry Pi")
   set(PLATFORM_CPP "PLATFORM_RPI")
   set(GRAPHICS "GRAPHICS_API_OPENGL_ES2")
 
+  add_definitions(-D_GNU_SOURCE=1)
+  
+  find_library(OPENGL_LIBRARY OpenGL)
+  find_library(GLESV2 brcmGLESv2 HINTS /opt/vc/lib)
+  find_library(EGL brcmEGL HINTS /opt/vc/lib)
+  find_library(BCMHOST bcm_host HINTS /opt/vc/lib)
+  include_directories(/opt/vc/include /opt/vc/include/interface/vmcs_host/linux /opt/vc/include/interface/vcos/pthreads)
+  link_directories(/opt/vc/lib)
+  set(LIBS_PRIVATE ${GLESV2} ${EGL} ${BCMHOST} pthread rt m dl)
+
 endif()
 
 if (${OPENGL_VERSION})