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Message-ID: <1527675512.16911.130.camel@linuxfoundation.org>
From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: Arno Steffens <star@gmx.li>, ChenQi <Qi.Chen@windriver.com>
Date: Wed, 30 May 2018 11:18:32 +0100
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Cc: "pokyyoctoproject.org" <poky@yoctoproject.org>
Subject: Re: Give others users than "root" access to GPIO (or commands)
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On Wed, 2018-05-30 at 12:01 +0200, Arno Steffens wrote:
> Thanks Chen,
> sounds easy but I get to my surprise a problem with a shared library
> (cannot open shared object file: No such file or directory) -
> althought the LD_LIBRARY_PATH is set (/opt/lib) and the file
> available?

setuid will clear LD_LIBRARY_PATH and other environmental variables for
security reasons. Try adding an RPATH to the binary directly using
chrpath or patchelf?

Cheers,

Richard