- v_draw.hpp was simply missing the header entirely.
- r_debug_printer.cpp is the weird one -- unordered_set's definition uses unordered_map, but it seems like osx's standard library does not include it in their definition? wut?
Holey textures (textures with transparent pixels) cannot
be used on upper/lower textures or on 1-sided linedefs. If
the game tries to render this, the texture name will
appear on the HUD if devmode render is turned on.