* Makefile.in (MD_DEPS, s-mddeps): New.
        (s-config, s-conditions, s-flags, s-codes, s-constants, s-emit,
        s-recog, s-opinit, s-extract, s-peep, s-attr, s-attrtab, s-output,
        s-preds): Depend on MD_DEPS instead of md_file.
        (genobjnames): Add genmddeps.o
        (build/genmddeps, build/genmddeps.o): New.
        (mostlyclean): Remove mddeps.mk.
        * genmddeps.c: New file.
        * gensupport.c (include_callback): New.
        (process_include): Call it.
        * gensupport.h (include_callback): Declare.

From-SVN: r92269