* Makefile.am: Remove references to c-compiler-name.h and
	cp-compiler-name.h
	* Makefile.in: Regenerate.
	* compiler-name.hh: New file.
	* libcc1.cc: Don't include c-compiler-name.h.  Include
	compiler-name.hh.
	* libcp1.cc: Don't include cp-compiler-name.h.  Include
	compiler-name.hh.

Co-Authored-By: Pedro Alves <palves@redhat.com>

From-SVN: r254838