kripken/emscripten — comment on commit 59cb52383add5581b10d0d331d0e0aa1154af0dd
File: system/include/SDL/SDL_opengl.h line 31
By kripken:

I am not sure exactly why that fix is needed. There is some problem with compiling C code (not C++) in clang without it. I didn't have time to investigate it.