[Buildroot] [PATCH v4 3/4] Makefile: add TARGET_CLEAR_RPATH_HOOK to TARGET_FINALIZE_HOOKS

[Samuel Martin]

On Mon, Jul 13, 2015 at 3:44 PM, Baruch Siach <baruch at tkos.co.il> wrote:
> Hi Samuel,
>
> On Mon, Jul 13, 2015 at 12:54:29PM +0200, Samuel Martin wrote:
>> This patch introduces the TARGET_CLEAR_RPATH_HOOK hook fixing the ELF
>> files' RPATH of the host tree (excluding the sysroot).
>>
>> After running this hook, the RPATH from any target ELF files is empty.
>
> There are legitimate uses for RPATH. The ebtable package sets the ebtables
> executable RPATH to /lib/ebtables to load its libeb*.so extensions. The sudo
> package add RPATH to /usr/libexec/sudo in visudo. There may be more. How
> should we handle these cases? Maybe add a per-package, per-executable RPATH
> setting?
Indeed, this is valid uses of RPATH.
I can rework/extend the script to sanitize RPATH, i.e. remove the
paths referring to the build tree.

Any thoughts about this?

>
> baruch
>
> --
>      http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
> =}------------------------------------------------ooO--U--Ooo------------{=
>    - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -

Regards,

-- 
Samuel