[PATCH] configure: check for links to/from libdir in ldconfig output

[Tomi Ollila]

On Wed, May 30 2018, David Bremner wrote:

> Tomi Ollila <tomi.ollila at iki.fi> writes:
>
>> On Tue, May 29 2018, David Bremner wrote:
>>
>>> If e.g. /lib is a link to /usr/lib, then the latter may not show up in
>>> the way we expect in the output of ldconfig. 'test foo -ef bar' checks
>>> if foo and bar have the same device and inode numbers. Since (at least
>>> in bash, ksh, and zsh) the shell dereferences symlinks before applying
>>
>> i think you have to add 'dash' to this list in this commit message, as it
>> is default /bin/sh in debian (and many debian-derived distributions);
>> that is quite common configuration there when the test line in question
>> is executed
>
> That's right. I even tested dash, _after_ I sent the patch :P 
>
> What do you think about the risk/benefit of including this in 0.27? I
> guess we have lived with this bug for a long time.

+1 for inclusion. that's how we get testers >:)

>
> d