linux-ext4 - Re: [PATCH] ext2fs: fix undeclared posix

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Message-ID: <20110611150514.GC11207@thunk.org>
Date:	Sat, 11 Jun 2011 11:05:14 -0400
From:	Ted Ts'o <tytso@....edu>
To:	Andreas Dilger <adilger@...mcloud.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext2fs: fix undeclared posix_memalign() warning

On Thu, Jun 09, 2011 at 11:17:16PM -0600, Andreas Dilger wrote:
> Older distros do not define posix_memalign() by default in the
> headers.  If ext2fs.h is included early in the headers, it is
> possible to "#define _XOPEN_SOURCE 600" so that the stdlib.h
> header will define it, but if ext2fs.h is included after stdlib.h
> there is no posix_memalign() declaration.
> 
> Add a posix_memalign() declaration if stdlib.h didn't do it.  This
> is a bit of a hack for GNU headers, but it works on Linux and OS/X
> without problems.
> 
> Signed-off-by: Andreas Dilger <adilger@...mcloud.com>

Applied into the next branch, thanks.

						- Ted
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