#usr/bin/pkg-config
#usr/man/man1/pkg-config.1
#usr/share/aclocal/pkg.m4
#usr/bin/xxxMACHINExxx-unknown-linux-gnu-pkg-config
#usr/share/doc/pkg-config
#usr/share/doc/pkg-config/pkg-config-guide.html
#usr/share/man/man1/pkg-config.1