* lto-object.c: New file.
	* lto-elf.c: Remove file.
	* lto-macho.c: Remove file.
	* lto-macho.h: Remove file.
	* lto-coff.c: Remove file.
	* lto-coff.h: Remove file.
	* Make-lang.in (LTO_OBJS): Change lto/$(LTO_BINARY_READER).o to
	lto/lto-object.o.
	($(LTO_EXE)): Remove $(LTO_USE_LIBELF)
	(lto/lto-objfile.o): New target.
	(lto/lto-elf.o, lto/lto-coff.o, lto/lto-macho.o): Remove targets.
	(lto/lto.o): Remove $(LIBIBERTY_H).

From-SVN: r166187