* config/disambiguate-check.in: Update.

	* src/disambiguate/Makefile.am: Change the name of the compiled
	program to `cpp-disambiguate'.
	* src/attribute/Makefile.am: Change the name of the compiled
	program to `asfix-attribute'.
	* src/grammar/Makefile.am: Use `sdf-option' to fix the grammar
	before passing it to `sdf2sig'.