From 902818894c6d204bdca4d8061f946565014dbf74 Mon Sep 17 00:00:00 2001
From: Max Argus <argus.max@gmail.com>
Date: Wed, 18 Jul 2018 11:54:51 +0200
Subject: [PATCH] fix cmake (patch egl)

---
 CMakeLists.txt                       | 6 ++++++
 examples/OpenGLWindow/CMakeLists.txt | 4 ++++
 2 files changed, 10 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 728ac7608..73e648e59 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -369,6 +369,12 @@ IF(BUILD_PYBULLET)
 
 ENDIF(BUILD_PYBULLET)
 
+OPTION(BUILD_EGL "Build OpenGL/EGL" ON)
+IF(BUILD_EGL)
+    ADD_DEFINITIONS(-DBT_USE_EGL)
+ENDIF(BUILD_EGL)
+
+
 IF(BUILD_BULLET3)
 	 IF(APPLE)
 		MESSAGE("Mac OSX Version is ${_CURRENT_OSX_VERSION}")
diff --git a/examples/OpenGLWindow/CMakeLists.txt b/examples/OpenGLWindow/CMakeLists.txt
index 0d13be556..35ea9ff3b 100644
--- a/examples/OpenGLWindow/CMakeLists.txt
+++ b/examples/OpenGLWindow/CMakeLists.txt
@@ -47,6 +47,10 @@ IF(NOT WIN32 AND NOT APPLE)
         SET(OpenGLWindow_SRCS ${OpenGLWindowLinux_CPP}  ${BULLET_PHYSICS_SOURCE_DIR}/examples/ThirdPartyLibs/glad/glx.c ${BULLET_PHYSICS_SOURCE_DIR}/examples/ThirdPartyLibs/glad/gl.c ${OpenGLWindowCommon_CPP} )
 ENDIF()
 
+IF(BUILD_EGL)
+    SET(OpenGLWindow_SRCS ${OpenGLWindow_SRCS}  ${BULLET_PHYSICS_SOURCE_DIR}/examples/ThirdPartyLibs/glad/egl.c)
+ENDIF(BUILD_EGL)
+
 
 
 ADD_LIBRARY(OpenGLWindow ${OpenGLWindow_SRCS} ${OpenGLWindow_HDRS})