最新的包为sourcenav-6.0.tar.gz ，大小：18.9MB.

2 解压.

3 打补丁

http://svn.exactcode.de/t2/trunk/package/develop/sourcenav-ng/tk-lastevent.patch

tk runtime error:
tk8.3/tk.tcl: no event type or button # or keysym

http://bugs.gentoo.org/show_bug.cgi?id=225999

--- ./tk/generic/tk.h.orig	2008-02-06 16:31:40.000000000 +0100
+++ ./tk/generic/tk.h	2008-07-24 08:21:46.000000000 +0200
@@ -635,17 +635,15 @@
  *
  *---------------------------------------------------------------------------
  */
-#define VirtualEvent	    (LASTEvent)
-#define ActivateNotify	    (LASTEvent + 1)
-#define DeactivateNotify    (LASTEvent + 2)
-#define MouseWheelEvent     (LASTEvent + 3)
-#define TK_LASTEVENT	    (LASTEvent + 4)
+#define VirtualEvent	    (MappingNotify + 1)
+#define ActivateNotify	    (MappingNotify + 2)
+#define DeactivateNotify    (MappingNotify + 3)
+#define MouseWheelEvent     (MappingNotify + 4)
+#define TK_LASTEVENT	    (MappingNotify + 5)

 #define MouseWheelMask	    (1L << 28)
-
 #define ActivateMask	    (1L << 29)
 #define VirtualEventMask    (1L << 30)
-#define TK_LASTEVENT	    (LASTEvent + 4)

4 编译make

5 安装 sudo make install

6 运行 snavigator&