* gcc-interface/Makefile.in (NO_SIBLING_ADAFLAGS): Always define.
	(NO_REORDER_ADAFLAGS): New variable.
	(EXTRA_GNATTOOLS): Always define.
	(../stamp-gnatlib1-$(RTSDIR): Copy tsystem.h.
	Clean up and adjust list of files compiled with special options.
	* gcc-interface/Make-lang.in: Likewise.
	(ada/decl.o): Cosmetical change.
	(ada/misc.o): Remove dependency on $(PLUGIN_H).

From-SVN: r172834