Module Name: src
Committed By: martin
Date: Sat Sep 14 13:46:30 UTC 2013
Modified Files:
src/sys/sys: cdefs.h
Log Message:
Define a prologue/epilogue for CTASSERTs using local variables (to avoid
warnings about decalarations of localy defined but unused types)
To generate a diff of this commit:
cvs rdiff -u -r1.110 -r1.111 src/sys/sys/cdefs.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/sys/cdefs.h
diff -u src/sys/sys/cdefs.h:1.110 src/sys/sys/cdefs.h:1.111
--- src/sys/sys/cdefs.h:1.110 Tue Sep 10 12:54:14 2013
+++ src/sys/sys/cdefs.h Sat Sep 14 13:46:30 2013
@@ -1,4 +1,4 @@
-/* $NetBSD: cdefs.h,v 1.110 2013/09/10 12:54:14 gsutre Exp $ */
+/* $NetBSD: cdefs.h,v 1.111 2013/09/14 13:46:30 martin Exp $ */
/*
* Copyright (c) 1991, 1993
@@ -152,6 +152,18 @@
#define __CTASSERT1(x, y, z) typedef char y ## z[/*CONSTCOND*/(x) ? 1 : -1]
/*
+ * Provide a prologue/epilogue for __CTASSERT uses within a local function
+ * to supress warnings about unused local typedefs
+ */
+#if __GNUC_PREREQ__(4, 8)
+#define __CT_LOCAL_PROLOGUE _Pragma("GCC diagnostic push") _Pragma("GCC diagnostic ignored \"-Wunused-local-typedefs\"")
+#define __CT_LOCAL_EPILOGUE _Pragma("GCC diagnostic pop")
+#else
+#define __CT_LOCAL_PROLOGUE
+#define __CT_LOCAL_EPILOGUE
+#endif
+
+/*
* The following macro is used to remove const cast-away warnings
* from gcc -Wcast-qual; it should be used with caution because it
* can hide valid errors; in particular most valid uses are in
