Re: 2.6.28 headers break kbd and net-tools userspace builds

[David Miller <davem@davemloft.net>]

From: Andrew Walrond <andrew@walrond.org>
Date: Mon, 02 Feb 2009 21:13:11 +0000

> What exactly is the purpose of the kernel headers? Are there some
> definitions in the kernel headers that will never be available from
> glibc? Is it perhaps possible to work towards exporting kernel
> headers for the sole purpose of building glibc, and all other
> packages should be able to build against glibc's headers?

To a certain extent they are supposed to be able to
co-exist.

We weren't careful in the past in some cases, to the point
where the conflicts often very difficult to resolve.  That's
the kind of situation we have here.

I guess I'll put in the following hack for now:

diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index aeab2cb..82c4362 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -2,7 +2,10 @@
 #define _IF_TUNNEL_H_
 
 #include <linux/types.h>
+
+#ifdef __KERNEL__
 #include <linux/ip.h>
+#endif
 
 #define SIOCGETTUNNEL   (SIOCDEVPRIVATE + 0)
 #define SIOCADDTUNNEL   (SIOCDEVPRIVATE + 1)