games-emulation/snes9x2010-libretro
Snes9x 2010. Port of Snes9x 1.52+ to Libretro (previously called SNES9x Next)
USE Flags
custom-cflags
Global: Build with user-specified CFLAGS (unsupported)
debug
Global: Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml