[PATCH v3][BZ #832][BZ #3266] Make ldd try_trace more robust and portable

[Mike Frysinger]

On Wednesday 11 September 2013 23:13:36 Patrick 'P. J.' McDermott wrote:
> It was noted in 2005 (BZ #832), 2006 (BZ #3266), and 2007 [1] that ldd
> fails on shells other than Bash >= 3.0 because of the pipefail option
> around try_trace (added on 2004-12-08).  EGLIBC was patched in 2008 [2]
> (r6912) to make the pipefail check run only on shells that support it,
> but RTLD output would still be lost on other shells with certain SELinux
> policies.
> 
> This patch rewrites try_trace to work on any POSIX-conformant shell in
> such a way as to also work with such SELinux policies.  It also obviates
> one difference between glibc and EGLIBC.

i've pushed this now.  thanks!
-mike
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