Declare "gndo" as "extern", so that it's only defined in tcpdump.c; on

some platforms, you get linker errors or, at least, warnings from
multiple definitions.

diff --git a/interface.h b/interface.h
index ae535f43e9f3ae3d06041c09ada02f915ccda400..cfca527699f415365da25e7cc0f502b14edac8a3 100644 (file)
--- a/interface.h
+++ b/interface.h
@@ -18,7 +18,7 @@
  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  *
- * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.244 2005-04-06 21:33:27 mcr Exp $ (LBL)
+ * @(#) $Header: /tcpdump/master/tcpdump/interface.h,v 1.244.2.1 2005-04-19 20:33:37 guy Exp $ (LBL)
  */
 
 #ifndef tcpdump_interface_h
@@ -312,7 +312,7 @@ extern void bpf_dump(struct bpf_program *, int);
 
 /* forward compatibility */
 
-netdissect_options *gndo;
+extern netdissect_options *gndo;
 
 #define eflag gndo->ndo_eflag 
 #define fflag gndo->ndo_fflag