snes9x

USE flags

• alsa - Add support for media-libs/alsa-lib (Advanced Linux Sound Architecture)
• debug - Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
• gui - Enable support for a graphical user interface
• libretro - Build libretro port
• netplay - Enable playing ROMs over the network (not recommended)
• opengl - Add support for OpenGL (3D graphics)
• oss - Add support for OSS (Open Sound System)
• png - Add support for libpng (PNG images)
• portaudio - Add support for the crossplatform portaudio audio API
• pulseaudio - Add sound server support via media-libs/libpulse (may be PulseAudio or PipeWire)
• wayland - Enable dev-libs/wayland backend
• xinerama - Add support for querying multi-monitor screen geometry through the Xinerama API
• xv - Add in optional support for the Xvideo extension (an X API for video playback)