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Re: [Qemu-devel] net: Adding netmap network backend
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-devel] net: Adding netmap network backend |
Date: |
Fri, 14 Feb 2014 10:52:44 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Wed, Feb 12, 2014 at 10:01:01PM +0400, Michael Tokarev wrote:
> After this patch, qemu fails to build on freebsd with the following
> error message:
>
> net/netmap.c: In function 'netmap_receive_iov':
> net/netmap.c:307: error: 'NS_MOREFRAG' undeclared (first use in this function)
> net/netmap.c:307: error: (Each undeclared identifier is reported only once
> net/netmap.c:307: error: for each function it appears in.)
> net/netmap.c: In function 'netmap_send':
> net/netmap.c:356: error: 'NS_MOREFRAG' undeclared (first use in this function)
> gmake: *** [net/netmap.o] Error 1
>
> I didn't enable netmap support by default, configure enabled it
> automatically.
>
> Freebsd has /usr/include/net/netmap.h and netmap_user.h out of the box.
> I've no idea what is inside and how compatible it is with whatever
> qemu expects.
>
> I had to explicitly use --disable-netmap for qemu to build on freebsd.
>
> This is FreeBSD 9.1-RELEASE, FWIW.
Vincenzo: Do you need to add a ./configure check so NS_MOREFRAG is only
used when the host kernel supports it?