option('with_gl_api',type:'string',value:'auto',description:'A comma separated list of opengl APIs to enable building against. Supported values are opengl and gles2.')
option('with_gl_platform',type:'string',value:'auto',description:'A comma separated list of opengl platforms to enable building against. Supported values are glx, egl, cgl, wgl and eagl')
option('with_gl_winsys',type:'string',value:'auto',description:'A comma separated list of opengl windows systems to enable building against. Supported values are x11, wayland, win32, cocoa, and dispmanx')
option('with_egl_module_name',type:'string',value:'',description:'The file to pass to g_module_open to open the libEGL.so library (default: libEGL.so)')
option('with_opengl_module_name',type:'string',value:'',description:'The file to pass to g_module_open to open the libGL.so library (default: libGL.so)')
option('with_gles2_module_name',type:'string',value:'',description:'The file to pass to g_module_open to open the libGLESv2.so library (default: libGLESv2.so)')