[Bf-blender-cvs] [e1bdf53] master: Add new UNUSED_VARS_DEBUG utils, which is NOP in debug build, but tags given vars as unused in non-debug builds.

[Bastien Montagne]

Commit: e1bdf5333d7a7af7c9f6fc2e9fef0b44b69c0c3a
Author: Bastien Montagne
Date:   Wed Feb 11 22:08:36 2015 +0100
Branches: master
https://developer.blender.org/rBe1bdf5333d7a7af7c9f6fc2e9fef0b44b69c0c3a

Add new UNUSED_VARS_DEBUG utils, which is NOP in debug build, but tags given vars as unused in non-debug builds.

Helps handling cleanly pure-debug variables.

===================================================================

M	source/blender/blenlib/BLI_utildefines.h

===================================================================

diff --git a/source/blender/blenlib/BLI_utildefines.h b/source/blender/blenlib/BLI_utildefines.h
index b1b2250..f8f654f 100644
--- a/source/blender/blenlib/BLI_utildefines.h
+++ b/source/blender/blenlib/BLI_utildefines.h
@@ -588,6 +588,13 @@ extern "C" {
 /* reusable ELEM macro */
 #define UNUSED_VARS(...) VA_NARGS_CALL_OVERLOAD(_VA_UNUSED_VARS_, __VA_ARGS__)
 
+/* for debug-only variables */
+#ifndef NDEBUG
+#  define UNUSED_VARS_DEBUG(...)
+#else
+#  define UNUSED_VARS_DEBUG UNUSED_VARS
+#endif
+
 /*little macro so inline keyword works*/
 #if defined(_MSC_VER)
 #  define BLI_INLINE static __forceinline