Add files from parent branch HEAD:

Add files from parent branch HEAD:
	mk/apache.mk
	mk/buildlink2/NOTES
	mk/buildlink2/README
	mk/buildlink2/bsd.buildlink2.mk
	mk/buildlink2/buildlink2.txt
	mk/buildlink2/fake-la
	mk/buildlink2/gen-transform.sh
	mk/buildlink2/ld-logic
	mk/buildlink2/ld-post-cache
	mk/buildlink2/libtool-do-install
	mk/buildlink2/libtool-fix-la
	mk/buildlink2/libtool-logic
	mk/buildlink2/libtool-post-cache
	mk/buildlink2/libtool.sh
	mk/buildlink2/logic
	mk/buildlink2/post-cache
	mk/buildlink2/pre-cache
	mk/buildlink2/private-pre-cache
	mk/buildlink2/wrapper.sh
	mk/pthread.buildlink2.mk
	mk/scripts/genreadme.awk