How to build gpSP for PSP:

The makefile is in the psp directory, simply go there and type make.
make kxploit will build for 1.5 firmware. Be sure to include
game_config.txt and gpsp.cfg in the same directory as EBOOT.PBP, as
well as gba_bios.bin (not included).

Dependencies as of v0.6:

  SDL
  zlib