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SubjectRe: [PATCH] fastboot: Introduce an asynchronous function call mechanism
On Wed, Oct 15, 2008 at 10:55:15AM -0700, Roland Dreier wrote:
> > > I was actually "?"ing at the "= 0". I thought that would be obvious
> > > but it's whizzed past two people so far :(
> >
> > Is there evidence that some gccs will not add such variable to .bss?
> >
> > Because "= 0;" is more readable.
>
> From: http://gcc.gnu.org/gcc-3.3/changes.html
>
> GCC 3.3.1 automatically places zero-initialized variables in the .bss
> section on some operating systems. Versions of GNU Emacs up to (and
> including) 21.3 will not work correctly when using this optimization;
> you can use -fno-zero-initialized-in-bss to disable it.
>
> so presumably gcc 3.2 (which we still support, right?) does not do this
> (and puts such variables in .data).

So we're doing this for one low-end gcc version, nobody except Andi uses
(it must be patched surely).


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