[Buildroot] [RFC] Relocatable host tools
Thomas Petazzoni
thomas.petazzoni at free-electrons.com
Fri Dec 11 15:28:50 UTC 2015
Thomas,
On Fri, 11 Dec 2015 15:11:27 +0100, Thomas De Schampheleire wrote:
> I believe this is one step closer to having a relocatable host SDK for
> Buildroot. While I'm not claiming (nor have I tested) a completely
> relocatable host SDK, by changing the RPATH from an absolute path to
> '$ORIGIN/../lib'.
>
> '$ORIGIN' here is a literal string encoded in the ELF binary and
> replaced at runtime by the location of the binary. So, a binary
> originally created in /home/foo/buildroot/output/host/usr/bin and run
> from there will expect its libraries in
> /home/foo/buildroot/output/host/usr/lib, but the same binary copied
> and run from /tmp/hostsdk/bin will expect its libraries in
> /tmp/hostsdk/lib.
Have you seen:
http://patchwork.ozlabs.org/patch/494781/
http://patchwork.ozlabs.org/patch/494782/
http://patchwork.ozlabs.org/patch/494783/
http://patchwork.ozlabs.org/patch/494784/
http://patchwork.ozlabs.org/patch/494785/
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
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