From: Thomas Monjalon <thomas@monjalon.net>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: gaetan.rivet@6wind.com, dev@dpdk.org
Subject: Re: [dpdk-dev] [RFC PATCH] mk: symlink every headers first
Date: Wed, 21 Jun 2017 12:41:42 +0200 [thread overview]
Message-ID: <1569330.jjeHmIoRYc@xps> (raw)
In-Reply-To: <20170621102702.GA93468@bricha3-MOBL3.ger.corp.intel.com>
21/06/2017 12:27, Bruce Richardson:
> On Tue, Jun 20, 2017 at 11:21:39PM +0200, Thomas Monjalon wrote:
> > If a library or a build tool uses a definition from a driver,
> > there is a build ordering issue, like seen when moving PCI code
> > into a bus driver.
> >
> > One option is to keep PCI helpers and some common definitions in EAL.
> > The other option is to symlink every headers at the beginning of
> > the build so they can be included by any other component.
> >
> > This patch shows how to achieve the second option.
> >
> > Signed-off-by: Thomas Monjalon <thomas@monjalon.net>
> > ---
>
> My 2c.
>
> This may be worth doing, however, two points to consider.
>
> 1. If we look to change build system this may not be worth doing unless
> a compelling need becomes obvious in the short term. In the meantime,
> for cases where it is needed...
> 2. libraries can already access the includes from drivers or other
> places fairly easily, just by adding the relevant "-I" flag to the
> CFLAGS for that lib.
You mean adding a -I pointing to source location instead of
the build directory?
> That said, since the work is already done developing this, and if it
> doesn't hurt in terms of build time, I suppose we might as well merge
> it in.
It hurts a bit the build time.
> So tentative ack from me, subject to testing and feedback from others.
I would prefer not applying this patch if Gaetan can organize EAL and
bus drivers in a way that everything compile fine.
Libraries should not look into drivers.
next prev parent reply other threads:[~2017-06-21 10:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-20 21:21 Thomas Monjalon
2017-06-21 10:27 ` Bruce Richardson
2017-06-21 10:41 ` Thomas Monjalon [this message]
2017-06-21 12:52 ` Richardson, Bruce
2017-06-21 14:27 ` Wiles, Keith
2017-06-21 15:14 ` Gaëtan Rivet
2017-06-21 15:53 ` Wiles, Keith
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