* Makefile.in, config/t-slibgcc-darwin, config/t-slibgcc-elf-ver,
	config/t-slibgcc-sld, config/mips/t-iris5-6, config/sh/t-linux:
	Use the top level mkinstalldirs, not the one in the gcc subdir.
	* mkinstalldirs: Remove (from the gcc subdir).

From-SVN: r77466