GNU bug report logs - #13417
24.2.92; Show number of errors in compilation mode

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From: Juri Linkov <juri <at> linkov.net>
To: Leo Liu <sdl.web <at> gmail.com>
Cc: 13417 <at> debbugs.gnu.org
Subject: bug#13417: 24.2.92; Show number of errors in compilation mode
Date: Sun, 11 Feb 2018 23:42:25 +0200

> This is a feature request originated from the discussion
> http://thread.gmane.org/gmane.emacs.devel/154236:
>
>   The unused compilation-num-errors-found variable seems to be a
>   placeholder to showing number of errors or warnings in compilation mode,
>   for example: 
>   
>     Compilation exited abnormally with 10 errors and 11 warnings at Wed
>     Oct 10 23:34:40

I'm sorry to say this but I see no way to implement this.
The problem is that the last line in the *compilation* buffer
is printed earlier than we know the number of compilation errors
because errors are counted by font-lock invoked at unpredictable times
when compilation process is already finished.

Fortunately since now the number of compilation errors and
warnings are displayed in the mode-line of *compilation* buffer,
do you think this is enough and we can close this feature request?

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