[src/trunk]: src/sys/lib/libkern Allow overriding CTASSERT. This helps with ...

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

details:   https://anonhg.NetBSD.org/src/rev/f69951915707
branches:  trunk
changeset: 325269:f69951915707
user:      pooka <pooka%NetBSD.org@localhost>
date:      Sun Dec 15 21:15:41 2013 +0000

description:
Allow overriding CTASSERT.  This helps with building NetBSD sources with
compilers that don't support __COUNTER__ -- shifting the CTASSERTs
around to avoid __LINE__ conflicts is a hopeless struggle.

diffstat:

 sys/lib/libkern/libkern.h |  8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)

diffs (25 lines):

diff -r 1f184d4ca9ce -r f69951915707 sys/lib/libkern/libkern.h
--- a/sys/lib/libkern/libkern.h Sun Dec 15 21:10:32 2013 +0000
+++ b/sys/lib/libkern/libkern.h Sun Dec 15 21:15:41 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: libkern.h,v 1.110 2013/12/11 01:24:08 joerg Exp $      */
+/*     $NetBSD: libkern.h,v 1.111 2013/12/15 21:15:41 pooka Exp $      */
 
 /*-
  * Copyright (c) 1992, 1993
@@ -189,9 +189,15 @@
 #endif
 #endif
 
+#ifndef        CTASSERT
 #define        CTASSERT(x)             __CTASSERT(x)
+#endif
+#ifndef        CTASSERT_SIGNED
 #define        CTASSERT_SIGNED(x)      __CTASSERT(((typeof(x))-1) < 0)
+#endif
+#ifndef        CTASSERT_UNSIGNED
 #define        CTASSERT_UNSIGNED(x)    __CTASSERT(((typeof(x))-1) >= 0)
+#endif
 
 #ifndef DIAGNOSTIC
 #define _DIAGASSERT(a) (void)0