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Re: [RFC] libxfs kernel infrastructure (was [XFS updates] XFS developmen

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [RFC] libxfs kernel infrastructure (was [XFS updates] XFS development tree branch, xfs-libxfs-in-kernel-RFC, created. xfs-for-linus-3.15-rc2-52-g6579dd8)
From: Brian Foster <bfoster@xxxxxxxxxx>
Date: Thu, 8 May 2014 09:45:20 -0400
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20140508125405.GA8096@xxxxxxxxxxxxx>
References: <20140506071855.F152E7FBC@xxxxxxxxxxx> <20140506075905.GA5421@dastard> <20140507144822.GA4061@xxxxxxxxxxxxxxx> <20140507224755.GR5421@dastard> <20140508011256.GS5421@dastard> <20140508120228.GA47272@xxxxxxxxxxxxxxx> <20140508125405.GA8096@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, May 08, 2014 at 05:54:05AM -0700, Christoph Hellwig wrote:
> On Thu, May 08, 2014 at 08:02:28AM -0400, Brian Foster wrote:
> > Missing a $ here...
> > 
> > Adding that, the single threaded build still breaks for me. E.g.,
> > 
> > - rm -rf fs/xfs
> > - git checkout -- .
> > - make
> 
> The kernel build systems doesn't support building a single module from
> multiple makefiles.  Take a look how to handle a subdirectory in the
> older XFS versions that still had that linux-2.6 subdirectory, it just
> pulls the files in the subdirectory in from the main makefile, which
> requires some tiny hacks for the include path.
> 

Good point, I was looking around for some example of this and didn't see
anything obvious, but didn't think to look back to that. Indeed it does
just reference the files in the subdirectory... thanks.

Brian

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