* sysdeps/unix/sysv/linux/sparc/sparc64/Dist: Add sizes.h.
	* sysdeps/unix/sysv/linux/alpha/Dist: Likewise.

	* sysdeps/generic/stub_warning: Removed.

	* Makefile (distribute): Add include/des.h.

	* manual/Makefile (distribute): Change dir-add.texi to
	dir-add.texinfo.