On 2012-05-11 15:02, Colin Percival wrote:> On 05/11/12 05:48, Konstantin 
Belousov wrote:
>> On Fri, May 11, 2012 at 12:37:16PM +0000, Gabor Kovesdan wrote:
>>> +bool byte_sort = false; + +static wchar_t **wmonths = NULL; +static
>>> unsigned char **cmonths = NULL;
>>
>> Such initializations are useless. You only increase the size of the binary 
>> on the disk as the consequence.
> 
> I just tested this hypothesis, and found no change in binary size using
> either clang or gcc46.  Presumably they're smart enough to ignore explicit
> (and unnecessary) initializations of statics to zero.

This is default behaviour, which can be toggled with gcc's (and clang's)
command line option -fno-zero-initialized-in-bss:

http://gcc.gnu.org/onlinedocs/gcc/Optimize-Options.html#index-fno_002dzero_002dinitialized_002din_002dbss-744
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