Re: master b9ac4f8.. (Fix locating pdump by symlink) breaks with stow

[Daniel Colascione]

> On Mon, Jun 24, 2019 at 06:57:32PM +0700, Yuri Khan wrote:
>>On Mon, Jun 24, 2019 at 6:12 PM Ergus <address@hidden> wrote:
>>
>>> 750|  char* argv0 = realpath (argv[0], NULL);
>>> 751|  if (!argv0)
>>> 752|    fatal ("could not resolve realpath of \"%s\": %s",
>>> 752|           argv0, strerror (errno));
>>
>>This looks wrong. If we called realpath and it returned null, we???d
>>probably want the original argv[0] in the error message, not the null
>>result.
>>
>
> This also produces problems when using emacs from an alias like em o emc
> which is a very common practice.
>
> So there should be actually other conditions to try if the first
> realpath call fails and not abort (call fatal) in the first try.

Try it now. Sorry about the botched change.