--- mozilla/ipc/chromium/src/chrome/common/ipc_channel_posix.cc~
+++ mozilla/ipc/chromium/src/chrome/common/ipc_channel_posix.cc
@@ -133,7 +133,12 @@ int ChannelNameToClientFD(const std::string& channel_id) {
 }
 
 //------------------------------------------------------------------------------
+#if !defined(__clang__) && defined(__GNUC__) && __GNUC_MINOR__ <= 2
+sockaddr_un sizecheck;
+const size_t kMaxPipeNameLength = sizeof(sizecheck.sun_path);
+#else
 const size_t kMaxPipeNameLength = sizeof(sockaddr_un::sun_path);
+#endif
 
 // Creates a Fifo with the specified name ready to listen on.
 bool CreateServerFifo(const std::string& pipe_name, int* server_listen_fd) {