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Re: gcc-in-cxx update
2009/4/29 Joseph S. Myers <joseph@codesourcery.com>:
> On Wed, 29 Apr 2009, Manuel López-Ibáñez wrote:
>
>> >> BTW, why is this warned about?
>> >
>> > I imagine because in C it is not conventional to use "extern" when
>> > defining something, only on a declaration that is not a definition.
>>
>> But may it lead to some confusion or subtle error? It seems overly
>> pedantic to me if it is just a matter of style, because ?extern is
>> implicit if missing,
>
> "int i;" is not the same as "extern int i;".
Sorry for my ignorance but I have been reading and searching for the
answer and I cannot tell what is the difference between "int i = 1"
and "extern int i = 1" at file-scope in C.
Would you or someone else mind to point me out to the answer? Thanks in advance.
Manuel.