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bug#6778: 24.0.50; compile-mode fails on gcc-4.5 error messages
From: |
Dan Nicolaescu |
Subject: |
bug#6778: 24.0.50; compile-mode fails on gcc-4.5 error messages |
Date: |
Thu, 05 Aug 2010 00:44:58 -0400 |
User-agent: |
Gnus/5.11 (Gnus v5.11) Emacs/22.1 (gnu/linux) |
Miles Bader <miles@gnu.org> writes:
> Emacs compile.el fails to parse correctly gcc 4.5 error messages that
> include a column as well as a line number.
>
> To reproduce, assuming gcc 4.5 is installed as "gcc-4.5":
>
> (1) Put the following text into a file "x.c":
>
> int y = 1;
> int z = q1;
> int p = 1;
>
> (2) Now compile by doing "M-x compile", and for a compilation command,
> use "gcc-4.5 -c x.c".
>
> (3) The compiler will output an error message like:
>
> -*- mode: compilation; default-directory: "/tmp/" -*-
> Compilation started at Mon Aug 2 23:07:40
>
> gcc-4.5 -c x.c
> x.c:2:12: error: ‘q1’ undeclared here (not in a function)
>
> Compilation exited abnormally with code 1 at Mon Aug 2 23:07:40
>
> (4) One should be able to jump to the error by giving the command
> `next-error' ("C-x `"); however next-error apparently is confused
> by the error, and instead gives a prompt like:
>
> Find this error in (default x.c:2): /tmp/
>
>
> Apparently it fails to recognize the FILE:LINE:COL: format, and thinks
> that ":2" is part of the filename.
>
> My recollection is that such error messages used to be properly parsed
> by next-error, so maybe some recent change has broken this.
Indeed. The bug was introduced by this change:
2010-07-10 Aleksei Gusev <aleksei.gusev@gmail.com> (tiny change)
* progmodes/compile.el (compilation-error-regexp-alist-alist): Add
regexps for cucumber and ruby.