# FreeGLUT
include(FindPkgConfig)
-pkg_check_modules(freeglut REQUIRED freeglut-gles1>=3.0.0)
+pkg_check_modules(freeglut REQUIRED freeglut-gles>=3.0.0)
if(freeglut_FOUND)
include_directories(${freeglut_STATIC_INCLUDE_DIRS})
link_directories(${freeglut_STATIC_LIBRARY_DIRS})