Existing SHA1 digests verified, all found to be the same on the
machine holding the existing distfiles (morden). Existing SHA1
digests retained for now as an audit trail.
Although the claim that using the -Wno-unused-but-set-variable flag
breaks the build for older GCCs is unsubstantiated at this time, the
previous fix for gcc47 is removed in favor of deleting -Werror which
is exactly what the cross/binutils makefile does.
MinGW, a contraction of "Minimalist GNU for Windows," is a port
of the GNU Compiler Collection (GCC), and GNU Binutils, for use
in the development of native Microsoft Windows applications.