do the build, let it do its cleaning thing as part of its run, rather
than running it twice. When we are _not_ supposed to be using
dpkg-buildpackage to clean, but we are running it to do the build,
do the build, let it do its cleaning thing as part of its run, rather
than running it twice. When we are _not_ supposed to be using
dpkg-buildpackage to clean, but we are running it to do the build,