Add CC parameter to allow use of custom C compiler (cherry picked from commit cfd17de23098297d076def400cd6d506700a5f03)
Add CC parameter to allow use of custom C compiler
(cherry picked from commit cfd17de23098297d076def400cd6d506700a5f03)

pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1,pixelpicosean/my-godot-2.1