From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH] host-python{, 3}: fix parallel install of libpython
Date: Wed, 5 Mar 2014 19:46:03 +0100 [thread overview]
Message-ID: <20140305194603.575d6eab@skate> (raw)
In-Reply-To: <1393975789-1881-1-git-send-email-arnout@mind.be>
Dear Arnout Vandecappelle (Essensium/Mind),
On Wed, 5 Mar 2014 00:29:49 +0100, Arnout Vandecappelle
(Essensium/Mind) wrote:
> During installation, host-python and host-python3 run the freshly built
> python executable. This is done with a proper LD_LIBRARY_PATH to make
> sure it picks up the libpython in the build directory. However, the
> python binary has an RPATH pointing to the $(HOST_DIR)/usr/lib.
> Therefore, if libpython exists there, it will be used instead.
>
> If the install step is run in parallel, it is possible that libpython
> is already partially copied to $(HOST_DIR)/usr/lib when python is run.
> This gives an error like:
>
> python: error while loading shared libraries: $(HOST_DIR)/usr/lib/libpython3.4m.so.1.0: file too short
>
> The fix is simple: use RUNPATH instead of RPATH, which allows
> LD_LIBRARY_PATH to override RUNPATH. That way, the libpython in the
> build directory is always used. RUNPATH is enabled by passing
> --enable-new-dtags to the linker.
>
> Fixes e.g.
> http://autobuild.buildroot.net/results/2a6/2a62de3247ba5ad273f03d01e690a3eeb11aa7b4
>
> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
Applied, thanks.
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
next prev parent reply other threads:[~2014-03-05 18:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-02 7:30 [Buildroot] [autobuild.buildroot.net] Build results for 2014-03-01 Thomas Petazzoni
2014-03-02 8:57 ` [Buildroot] Analysis of build failures Thomas Petazzoni
2014-03-02 9:50 ` Samuel Martin
2014-03-02 10:08 ` Thomas Petazzoni
2014-03-04 23:18 ` Arnout Vandecappelle
2014-03-04 23:29 ` [Buildroot] [PATCH] host-python{, 3}: fix parallel install of libpython Arnout Vandecappelle
2014-03-05 18:46 ` Thomas Petazzoni [this message]
2014-03-05 9:04 ` [Buildroot] Analysis of build failures Thomas Petazzoni
2014-03-05 10:10 ` Arnout Vandecappelle
2014-03-05 12:40 ` Thomas Petazzoni
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