bug#4689: marked as done (23.1.50; Matching of error lines in *compilation* buffer is broken for perl-files)

[Emacs bug Tracking System]

Your message dated Mon, 12 Oct 2009 23:39:58 -0400
with message-id <uy8wfgt10x.fsf_-_@fencepost.gnu.org>
and subject line Re: Bug#3928
has caused the Emacs bug report #3928,
regarding 23.1.50; Matching of error lines in *compilation* buffer is broken  
for perl-files
to be marked as done.

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If this is not the case it is now your responsibility to reopen the
bug report if necessary, and/or fix the problem forthwith.

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-- 
3928: http://emacsbugs.donarmstrong.com/cgi-bin/bugreport.cgi?bug=3928
Emacs Bug Tracking System
Contact owner@emacsbugs.donarmstrong.com with problems
> --- Begin Message ---
>
>
>
> Subject: 
>
> 23.1.50; Matching of error lines in *compilation* buffer is broken 	for perl-files
>
>
>
>
> Date: 
>
> Fri, 9 Oct 2009 15:40:36 +0200
>
>
>
>
> > Please describe exactly what actions triggered the bug
> > and the precise symptoms of the bug:
>
>
> - Installing emacs 23
> - Loading perl-code with errors
> - M-x mode-compile
>
> - Effect: The errorlines, filenames and linenumbers are not recognized or activated in *compilation*
>
> No problem whatsoever with emacs 22 and the same configs!
>
> The problem didn't occure while compiling sh or python files!!!
>
> The problem was reproducible on different machines with Ubuntu 8.04 and 8.10 but not with Windows XP, all with default installation with German localization. 
>
> It was reported NOT to happen with Ubuntu 9.04 on an american machine.
>
> For detailed discussion including a WORKING REGEX-PATCH for mode-compile.el please look at:
>
> --> http://groups.google.de/group/gnu.emacs.help/browse_thread/thread/c1a62e304177fefe/9a28488347dd77e7#9a28488347dd77e7
>
> --> http://groups.google.com/group/emacs-perl-intersection/browse_thread/thread/328823127d1f8b7/8adaceafa79cc216#8adaceafa79cc216
>
> DIAGNOSIS: It seems like the handling of regexes in compile.el changed considerably from 
> 22 to 23, breaking compatibility with mode-compile.el!!!
>
> A sample perl code to produce 4 error-lines is:
> -------------------
> use strict;
> $a=A;
> print $a;
> $a=A;
> $a=A;
> $a=A;
> --------------------
>
> > If Emacs crashed ....
>
> No crash!
>
>
> In GNU Emacs 23.1.50.1 (i686-pc-linux-gnu, GTK+ Version 2.14.4)
>  of 2009-10-08 on nc10-ubuntu
> Windowing system distributor `The X.Org Foundation', version 11.0.10502000
> configured using `configure  '--prefix=/home/lanx/lib/emacs-cvs''
>
> Important settings:
>   value of $LC_ALL: nil
>   value of $LC_COLLATE: nil
>   value of $LC_CTYPE: nil
>   value of $LC_MESSAGES: nil
>   value of $LC_MONETARY: nil
>   value of $LC_NUMERIC: nil
>   value of $LC_TIME: nil
>   value of $LANG: de_DE.UTF-8
>   value of $XMODIFIERS: nil
>   locale-coding-system: utf-8-unix
>   default enable-multibyte-characters: t
>
> Major mode: Perl
>
> Minor modes in effect:
>   tooltip-mode: t
>   mouse-wheel-mode: t
>   tool-bar-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   blink-cursor-mode: t
>   global-auto-composition-mode: t
>   auto-composition-mode: t
>   auto-encryption-mode: t
>   auto-compression-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
>
> Recent input:
> M-x m o d e - c o m p i l <tab> <return> <return> <help-echo> 
> <help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
> <help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
> <help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
> <help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
> <help-echo> <help-echo> <help-echo> <help-echo> <help-echo> 
> <help-echo> <help-echo> <help-echo> <menu-bar> <help-menu> 
> <send-emacs-bug-report>
>
> Recent messages:
> loading debug.el
> leaving debug.el
> For information about GNU Emacs and the GNU system, type C-h C-a.
> Use M-x make-directory RET RET to create the directory and its parents [2 times]
> lade mode-compile.el
> Loading cl-macs...done
> Loading `mode-compile': old-style backquotes detected!
> mode-compile: Compiling in Perl mode ... M-x mode-compile-kill to kill.
> (No files need saving)
> Compilation exited abnormally with code 255
>
> Load-path shadows:
> /home/lanx/lib/emacs-cvs/share/emacs/23.1.50/lisp/progmodes/cperl-mode hides /home/lanx/.emacs.d/debug/cperl-mode
>
>
> --- End Message ---
> --- Begin Message ---
>
>
>
> Subject: 
>
> Re: Bug#3928
>
>
>
>
> Date: 
>
> Mon, 12 Oct 2009 23:39:58 -0400
>
>
>
>
> User-agent: 
>
> Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/)
>
>
>
>
> Fixed by this change:
>
> 2009-10-12  Sam Steingold  <sds at gnu.org>
>
> * progmodes/compile.el (compilation-mode-font-lock-keywords): Do not
>   prepend "^ *" to non-anchored patterns, like the perl one (bug#3928).
>
> --- End Message ---