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

[David Bremner]

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.

d