H:\SVN\Bin\mess>mingw32-make TARGET=mess Compiling src/mess/formats/ti85_ser.c... cc1.exe: warnings being treated as errors src/mess/formats/ti85_ser.c: In function 'device_load_ti85serial': src/mess/formats/ti85_ser.c:1320: warning: passing argument 5 of 'ti85_convert_f ile_data_to_serial_stream' discards qualifiers from pointer target type mingw32-make: *** [obj/windows/mess/mess/formats/ti85_ser.o] Error 1
Edit: Solved. SVN\Bin\mess\src\mess\formats\ti85_ser.x before deleted.