I seem to be getting this error when I try building as: unrecognized option `-G0' I edited the msvc-cygwin-make file and added these two lines: set path=%path%;c:/cygwin/usr/local/pspdev/bin set PSPSDK=c:/cygwin/usr/local/pspdev/sdk If I just go into cygwin and do: psp-gcc -G0 -Wall ...