ppsspp/SDL

1. Install GCC, CMake, and development libraries for zlib and sdl.
2. cd SDL
3. ./buildassets.sh
4. ./b.sh

That should do it.

Special instructions for MacOSX:

Install XCode
Install CMake
Open XCode, Preferences, Downloads, Components. Install the command line toools.

Install MacPorts
Using MacPorts, install libpng
Do the above.

SDL2 Game Controller Support Notes
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For SDL2 game controller support, at least SDL 2.0.4 is required.

Under the assets directory is the SDL2 game controller database: gamecontrollerdb.txt. This file contains many known control pad mappings for Windows, Linux and MAC OS. PPSSPPSDL will load this file at start-up and work out how to assign control pad buttons for your control pad.

Hot plugging of control pads is also supported.

If you control pad has a "Guide" or "Home" button then when pressed, this will trigger the emulator pause menu, thus allowing you to exit the emulator if you wish or load another game from your library.