--- gcc-5.2.0/gcc/ada/gcc-interface/Make-lang.in.bak	2015-08-24 16:23:25.004493665 +0200
+++ gcc-5.2.0/gcc/ada/gcc-interface/Make-lang.in	2015-08-24 17:53:52.496636113 +0200
@@ -45,7 +45,7 @@
 
 
 # Extra flags to pass to recursive makes.
-COMMON_ADAFLAGS= -gnatpg
+COMMON_ADAFLAGS= -gnatpg -gnatwG
 ifeq ($(TREECHECKING),)
 CHECKING_ADAFLAGS=
 else