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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: dev@dpdk.org, Stephen Hemminger <shemming@brocade.com>
Subject: Re: [PATCH v2 1/2] vfio: fix build if build envrionment is on old kernel
Date: Fri, 10 Jul 2015 01:43:17 +0200	[thread overview]
Message-ID: <2141795.rDVNFltQvv@xps13> (raw)
In-Reply-To: <1436484387-29273-2-git-send-email-stephen@networkplumber.org>

2015-07-09 16:26, Stephen Hemminger:
> From: Stephen Hemminger <shemming@brocade.com>
> 
> The build of DPDK may be done on a system where Linux headers
> in /usr/include (and therefore kernel version macro) are much
> older than the target runtime system.

It seems strange wanting to build a feature not present in the kernel
headers. Why not upgrading the build system kernel?

> In order to work around this, one solution is to put in simplified
> kernel header (this is what the compat stuff is already doing).

The other solution (as already suggested by Anatoly) is to have a configure
script (not an autotool one). It would make clear that VFIO support is not
built.
Ref: http://dpdk.org/ml/archives/dev/2015-April/016772.html

  reply	other threads:[~2015-07-09 23:44 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-09 23:26 [PATCH v2 0/2] vfio: build cleanups Stephen Hemminger
2015-07-09 23:26 ` [PATCH v2 1/2] vfio: fix build if build envrionment is on old kernel Stephen Hemminger
2015-07-09 23:43   ` Thomas Monjalon [this message]
2015-07-10 17:29     ` Stephen Hemminger
2015-07-10 20:19       ` Thomas Monjalon
2015-07-10 20:44         ` Stephen Hemminger
2015-07-10 21:10           ` Thomas Monjalon
2015-07-10 10:13   ` Burakov, Anatoly
2015-07-10 15:44     ` Stephen Hemminger
2015-07-09 23:26 ` [PATCH v2 2/2] vfio: don't build unnecessary files Stephen Hemminger

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