fix Ada bootstrap for powerpc-darwin (and several regressions in ACATS and gnat)

gcc/ada:
	* gcc-interface/Makefile.in (darwin, powerpc): Enable atomics.

From-SVN: r221962

gcc/ada/ChangeLog

+2015-04-09  Iain Sandoe  <iain@codesourcery.com>
+
+	* gcc-interface/Makefile.in (darwin, powerpc): Enable atomics.
+
 2015-04-08  Eric Botcazou  <ebotcazou@adacore.com>
 
 	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Function>: Do not make

gcc/ada/gcc-interface/Makefile.in

@@ -2321,7 +2321,9 @@ ifeq ($(strip $(filter-out darwin%,$(target_os))),)
       s-intman.adb<s-intman-posix.adb \
       s-osprim.adb<s-osprim-posix.adb \
       a-numaux.ads<a-numaux-darwin.ads \
-      a-numaux.adb<a-numaux-darwin.adb
+      a-numaux.adb<a-numaux-darwin.adb \
+      $(ATOMICS_TARGET_PAIRS) \
+      $(ATOMICS_BUILTINS_TARGET_PAIRS)
 
     ifeq ($(strip $(MULTISUBDIR)),/ppc64)
       LIBGNAT_TARGET_PAIRS += \