bug#34180: 27.0.50; argv[0] used incorrectly to find the .pdmp

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

> Wouldn't it be better to have a method of finding the absolute file
> name of the executable from which the process was started, regardless
> of what argv[0] says?  The way to do that is system-dependent (on
> GNU/Linux, I believe you need to readlink ("/proc/self/exe") or
> somesuch, for example), but AFAIK this can be done on all platforms we
> support.

It looks like find_executable from progreloc in gnulib provides a
portable interface for this?  I've added Paul to the CCs.

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