1 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/blenkernel/BKE_utildefines.h b/source/blender/blenkernel/BKE_utildefines.h
index 06f8b89ec05..7c1e0e97565 100644
--- a/source/blender/blenkernel/BKE_utildefines.h
+++ b/source/blender/blenkernel/BKE_utildefines.h
@@ -32,7 +32,11 @@
 extern "C" {
 #endif
 
-/* currently unused but we may want to add macros here for BKE later */
+#define BKE_BIT_TEST_SET(value, test, flag) \
+{                                           \
+	if (test) (value) |=  flag;             \
+	else      (value) &= ~flag;             \
+} (void)0
 
 #ifdef __cplusplus
 }