sim: add ATTRIBUTE_FALLTHROUGH for local code
We'll replace various /* fall through */ comments so compilers can
actually understand what the code is doing.
diff --git a/sim/common/defs.h b/sim/common/defs.h
index 0f4062c..01db180 100644
--- a/sim/common/defs.h
+++ b/sim/common/defs.h
@@ -25,6 +25,9 @@
/* Include gnulib's various configure tests. */
#include "gnulib/config.h"
+/* This comes from gnulib. Export it until ansidecl.h handles it. */
+#define ATTRIBUTE_FALLTHROUGH _GL_ATTRIBUTE_FALLTHROUGH
+
/* Reset macros that our config.h will provide. */
#undef PACKAGE
#undef PACKAGE_BUGREPORT
diff --git a/sim/ppc/defs.h b/sim/ppc/defs.h
index 276063d..ab7a142 100644
--- a/sim/ppc/defs.h
+++ b/sim/ppc/defs.h
@@ -23,6 +23,9 @@
/* Include gnulib's various configure tests. */
#include "gnulib/config.h"
+/* This comes from gnulib. Export it until ansidecl.h handles it. */
+#define ATTRIBUTE_FALLTHROUGH _GL_ATTRIBUTE_FALLTHROUGH
+
/* Reset macros that our config.h will provide. */
#undef PACKAGE
#undef PACKAGE_BUGREPORT
