fix mac osx build

examples/ExampleBrowser/CMakeLists.txt

@@ -101,6 +101,7 @@ ELSE(WIN32)
                 find_library(COCOA NAMES Cocoa)
                 MESSAGE(${COCOA})
                 link_libraries(${COCOA} ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY})
+		INCLUDE_DIRECTORIES( ${BULLET_PHYSICS_SOURCE_DIR}/examples/ThirdPartyLibs/glad )
   ELSE(APPLE)
 		ADD_DEFINITIONS("-DGLEW_INIT_OPENGL11_FUNCTIONS=1")
 		ADD_DEFINITIONS("-DGLEW_STATIC")

examples/OpenGLWindow/CMakeLists.txt

@@ -3,6 +3,7 @@ INCLUDE_DIRECTORIES(
 	..
 	../ThirdPartyLibs
 	../../src
+	../ThirdPartyLibs/glad
 )
 
 FILE(GLOB OpenGLWindow_HDRS "*.h" )
@@ -30,7 +31,7 @@ IF (WIN32)
 ENDIF(WIN32)
 
 IF (APPLE)
-	SET(OpenGLWindow_SRCS ${OpenGLWindowMac_CPP} ${OpenGLWindowMacObjC_CPP}  ${OpenGLWindowCommon_CPP} )
+	SET(OpenGLWindow_SRCS ${OpenGLWindowMac_CPP} ${BULLET_PHYSICS_SOURCE_DIR}/examples/ThirdPartyLibs/glad/glad.c ${OpenGLWindowMacObjC_CPP}  ${OpenGLWindowCommon_CPP} )
 ENDIF(APPLE)
 
 #no Linux detection?

examples/StandaloneMain/hellovr_opengl_main.cpp

@@ -2,6 +2,7 @@
 #ifdef BT_USE_CUSTOM_PROFILER
 #endif
 
+
 //========= Copyright Valve Corporation ============//
 
 #include "../OpenGLWindow/SimpleOpenGL3App.h"
@@ -19,6 +20,12 @@
 #include "BulletCollision/CollisionShapes/btCollisionShape.h"
 #include "BulletDynamics/Dynamics/btDiscreteDynamicsWorld.h"
 
+
+#define GL_DO_NOT_WARN_IF_MULTI_GL_VERSION_HEADERS_INCLUDED
+#import <Cocoa/Cocoa.h>
+
+
+
 #include "LinearMath/btIDebugDraw.h"
 int gSharedMemoryKey = -1;
 int  gDebugDrawFlags = 0;
@@ -525,14 +532,6 @@ bool CMainApplication::BInit()
 	}
 
 
-	glewExperimental = GL_TRUE;
-	GLenum nGlewError = glewInit();
-	if (nGlewError != GLEW_OK)
-	{
-		printf( "%s - Error initializing GLEW! %s\n", __FUNCTION__, glewGetErrorString( nGlewError ) );
-		return false;
-	}
-	glGetError(); // to clear the error caused deep in GLEW
 
 	if ( SDL_GL_SetSwapInterval( m_bVblank ? 1 : 0 ) < 0 )
 	{