//	*.[568ao]        object files, left from Makefiles
//
//	DIR(.exe)        from go build
//	DIR.test(.exe)   from go test -c
//	MAINFILE(.exe)   from go build MAINFILE.go
//	*.so             from SWIG
//
// In the list, DIR represents the final path element of the
// directory, and MAINFILE is the base name of any Go source
// file in the directory that is not included when building
// the package.
//