'glCreateShader' is deprecated: first deprecated in macOS 10.14

[nevertoday]

libavfilter/vf_gltransition.c:143:19: warning: 'glCreateShader' is deprecated:
first deprecated in macOS 10.14 - OpenGL API deprecated. (Define
GL_SILENCE_DEPRECATION to silence these warnings)
[-Wdeprecated-declarations]
GLuint shader = glCreateShader(type);
^
/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/System/Library/Frameworks/OpenGL.framework/Headers/gl3.h:1866:23: note:
'glCreateShader' has been explicitly marked deprecated here
GLAPI GLuint APIENTRY glCreateShader (GLenum type) OPENGL_DEPRECATED(10....

[SuperMonkeyC]

insert # define GL_SILENCE_DEPRECATION

#ifdef APPLE

define _gl_h

define GL_DO_NOT_WARN_IF_MULTI_GL_VERSION_HEADERS_INCLUDED

define GL_SILENCE_DEPRECATION

include <OpenGL/gl3.h>

#else

include <GL/glew.h>

#endif