Mac Cmake file for graphics

CMakeLists.txt

cmake_minimum_required(VERSION 3.6)
project(grafika)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")

set(SOURCE_FILES main.cpp)

find_package(OpenGL REQUIRED)
find_package(GLUT REQUIRED)
include_directories(${OPENGL_INCLUDE_DIRS} ${GLUT_INCLUDE_DIRS})
add_executable(grafika ${SOURCE_FILES})
if (NOT APPLE)
    find_package(GLEW REQUIRED)
    include_directories($(GLEW_INCLUDE_DIRS))
    target_link_libraries(grafika ${GLEW_LIBRARY})
endif (NOT APPLE)

target_link_libraries(grafika ${OPENGL_LIBRARIES} ${GLUT_LIBRARY})