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Re: About ./configure --cache-file (WAS: CHECK_STRUCTS/dmpstruct.h mecha

From: Eli Zaretskii
Subject: Re: About ./configure --cache-file (WAS: CHECK_STRUCTS/dmpstruct.h mechanism is broken.)
Date: Sun, 14 Apr 2019 17:53:45 +0300

> From: Noam Postavsky <address@hidden>
> Date: Sun, 14 Apr 2019 10:44:03 -0400
> Cc: Alan Mackenzie <address@hidden>, Paul Eggert <address@hidden>, 
>       Emacs developers <address@hidden>
> Why wouldn't you expect that to work?

I assumed (without checking) that --with-gpm=no caches some variable.

> > I think you are just being lucky: configure always recomputes
> > variables that are not cached yet.
> If you pass --with-gpm=no, it skips the test so there's nothing to
> cache anyway.

A.k.a. "lucky".

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