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List:       gtk-devel
Subject:    Re: Depending on C99 (Re: GtkBindingSignal changes)
From:       Hans Breuer <hans () breuer ! org>
Date:       2006-01-06 15:09:26
Message-ID: 43BE8826.40409 () breuer ! org
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On 06.01.2006 09:24, muppet wrote:
> 
> On Jan 5, 2006, at 9:52 PM, Owen Taylor wrote:
> 
>> The main reason requiring C99 might be that most or all of
>> the developers are now using C99 compilers and aren't able to catch
>> slip-ups. It's hard to support something that we don't test with.
> 
> 
> Add "--std=c89" to your CFLAGS.  It catches lots of stuff.  ;-)
> 
> (This machine doesn't have GCC's info pages installed or i'd paste  from 
> the manual...)
> 
Given that it does *not* catch the IMHO most annoying issue it appears to
be rather useless. The one common thing it catches - i.e. single line
comments - is accepted by all compilers I use ...

5.24 Mixed Declarations and Code
================================

ISO C99 and ISO C++ allow declarations and code to be freely mixed
within compound statements.  As an extension, GCC also allows this in
C89 mode.  For example, you could do:

      int i;
      /* ... */
      i++;
      int j = i + 2;

    Each identifier is visible from where it is declared until the end of
the enclosing block.                                    [gcc-3.3.5 info]


-------- Hans "at" Breuer "dot" Org -----------
Tell me what you need, and I'll tell you how to
get along without it.                -- Dilbert
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