From: Nick Mathewson <nickm@torproject.org>
Date: Fri, 11 Aug 2006 07:42:11 +0000 (+0000)
Subject:  r7337@Kushana:  nickm | 2006-08-11 00:42:04 -0700
X-Git-Tag: tor-0.1.2.1-alpha~64
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=33fc8292739296811fc53ae465e3245a2b598c3a;p=thirdparty%2Ftor.git

 r7337@Kushana:  nickm | 2006-08-11 00:42:04 -0700
 Only use __builtin_offsetof with gcc 4 or later


svn:r7028
---

diff --git a/src/common/util.h b/src/common/util.h
index 55c9a7c28c..7db4f28647 100644
--- a/src/common/util.h
+++ b/src/common/util.h
@@ -97,7 +97,7 @@ extern int dmalloc_free(const char *file, const int line, void *pnt,
 #define tor_memdup(s, n)       _tor_memdup(s, n DMALLOC_ARGS)
 
 /** Return the offset of <b>member</b> within the type <b>tp</b>, in bytes */
-#ifdef __GNUC__
+#if defined(__GNUC__) && __GNUC__ > 3
 #define STRUCT_OFFSET(tp, member) __builtin_offsetof(tp, member)
 #else
  #define STRUCT_OFFSET(tp, member) \