From: Felix Janda <felix.janda@posteo.de>
To: Dave Chinner <david@fromorbit.com>
Cc: Christoph Hellwig <hch@infradead.org>, xfs@oss.sgi.com
Subject: Re: [PATCH xfsprogs 2/2] linux.h: Define xfs_off_t as int64_t
Date: Fri, 5 Aug 2016 10:02:41 +0200 [thread overview]
Message-ID: <20160805080241.GA749@nyan> (raw)
In-Reply-To: <20160804004747.GZ16044@dastard>
Dave Chinner wrote:
> On Mon, Aug 01, 2016 at 08:54:10AM +0200, Felix Janda wrote:
> > Christoph Hellwig wrote:
> > > On Sat, Jul 30, 2016 at 03:37:37PM +0200, Felix Janda wrote:
> > > > int64_t is guaranteed to have the correct size and signedness and is
> > > > always avaible because linux.h has a <inttypes.h> include.
> > > >
> > > > Fixes compilation error "unkown type name 'off64_t'" on linux when the
> > > > public header <xfs.h> is included without _LARGEFILE64_SOURCE or
> > > > _GNU_SOURCE defined. This bug was introduced in commit
> > > > cb898f157f8410a03cf5f3400baa1df9e5eecd33.
> > >
> > > I would much prefer to just define _LARGEFILE64_SOURCE in linux.h..
> >
> > Thanks for the suggestion, but that does not work if the system header
> > defining (or not) off64_t is included before the xfs headers.
>
> Which, to me, is a build bug in whatever code is including the xfs
> headers. Isn't it the responsibility of the build environment to
> ensure the dependencies of the libraries being used are correctly
> met?
Every program using the xfs header is supposed to know that (only on
linux) since commit cb898f157f8410a03cf5f3400baa1df9e5eecd33 it is
necessary to define _LARGEFILE64_SOURCE or _GNU_SOURCE?
In commit
f96aff0c250ae8c70f50d5becb592723eb064f5d
something very similar was done.
Felix
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next prev parent reply other threads:[~2016-08-05 8:03 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-30 13:37 [PATCH xfsprogs 2/2] linux.h: Define xfs_off_t as int64_t Felix Janda
2016-07-30 16:36 ` Eric Sandeen
2016-08-01 6:24 ` Christoph Hellwig
2016-08-01 6:54 ` Felix Janda
2016-08-04 0:47 ` Dave Chinner
2016-08-05 8:02 ` Felix Janda [this message]
2016-08-05 11:52 ` Dave Chinner
2016-08-05 13:09 ` Felix Janda
2016-08-05 22:44 ` Dave Chinner
2016-08-06 8:38 ` Felix Janda
2016-08-06 9:13 ` Felix Janda
2016-08-06 23:18 ` Dave Chinner
2016-08-07 7:09 ` Felix Janda
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