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Re: Emacs 21.4a segmentation fault on startup (gcc 4.0, Solaris 8)


From: Eli Zaretskii
Subject: Re: Emacs 21.4a segmentation fault on startup (gcc 4.0, Solaris 8)
Date: Sat, 21 May 2005 12:48:49 +0300

> From: Richard Stallman <address@hidden>
> Date: Fri, 20 May 2005 17:56:24 -0400
> Cc: address@hidden
> 
> -Wall warns about a lot of things that are not wrong, and causes
> more trouble than it is worth.  I agreed to implement -Wall on the
> explicit understanding that we would NOT adopt the goal to change our
> code so that -Wall would not warn.

Except that latest versions of GCC by default enable more and more
warnings that previously belonged to -Wall.  Warnings such as these
for example:

    regex.c: In function `re_search_2':
    regex.c:4231: warning: comparison is always true due to limited range of 
data type

This warning is a terrible nuisance in a complex macro, for example.

> If there is a specific kind of warning that would be useful here,
> there is probably an -f option to enable that specific kind of
> warning.  That might be a good thing to use for Emacs.

Agreed.




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