Guard __RCSID

diff --git a/src/common.h b/src/common.h
index 49abd418bcc26d5c4e8f3d6d1db5f56519886974..3833d8ecd7df3e619dc4dc68d5cfe2925e273305 100644 (file)
--- a/src/common.h
+++ b/src/common.h
@@ -131,7 +131,9 @@
 #endif
 
 /* Needed for rbtree(3) compat */
+#ifndef __RCSID
 #define __RCSID(a)
+#endif
 #ifndef __predict_false
 # if __GNUC__ > 2
 #  define      __predict_true(exp)     __builtin_expect((exp) != 0, 1)