[src/trunk]: src/share/mk Decouple clang and gcc handling a bit. Add -Wmissin...

[joerg <joerg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/446b0fd1881f
branches:  trunk
changeset: 769722:446b0fd1881f
user:      joerg <joerg%NetBSD.org@localhost>
date:      Tue Sep 20 09:11:06 2011 +0000

description:
Decouple clang and gcc handling a bit. Add -Wmissing-noreturn for clang
builds. GCC complains about about non-void functions not returning,
which is quite a bit more bogus, so don't enable it for that.

diffstat:

 share/mk/bsd.sys.mk |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (20 lines):

diff -r bfefa4a791b8 -r 446b0fd1881f share/mk/bsd.sys.mk
--- a/share/mk/bsd.sys.mk       Tue Sep 20 08:42:29 2011 +0000
+++ b/share/mk/bsd.sys.mk       Tue Sep 20 09:11:06 2011 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: bsd.sys.mk,v 1.208 2011/08/23 05:22:25 christos Exp $
+#      $NetBSD: bsd.sys.mk,v 1.209 2011/09/20 09:11:06 joerg Exp $
 #
 # Build definitions used for NetBSD source tree builds.
 
@@ -61,7 +61,9 @@
 .endif
 .if ${WARNS} > 3 && defined(HAVE_GCC)
 CFLAGS+=       -Wsign-compare -Wformat=2
-CFLAGS+=       ${${ACTIVE_CC} == "clang":? -Wpointer-sign :}
+.endif
+.if ${WARNS} > 3 && defined(HAVE_LLVM)
+CFLAGS+=       ${${ACTIVE_CC} == "clang":? -Wpointer-sign -Wmissing-noreturn :}
 .endif
 .if (defined(HAVE_GCC) && ${HAVE_GCC} == 45 \
      && (${MACHINE_ARCH} == "sh3eb" || ${MACHINE_ARCH} == "sh3el"))