Martin Storsjö <[email protected]> writes:

> On Sun, 15 Jul 2012, Måns Rullgård wrote:
>
>> Martin Storsjö <[email protected]> writes:
>>
>>> From: "Ronald S. Bultje" <[email protected]>
>>>
>>> ---
>>> A non-mangled version of Ronald's patch. Builds fine on MSVC.
>>>
>>>  libavcodec/dsputil.h |   10 +++++-----
>>>  1 file changed, 5 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
>>> index 77980e0..361b56c 100644
>>> --- a/libavcodec/dsputil.h
>>> +++ b/libavcodec/dsputil.h
>>> @@ -646,18 +646,18 @@ void ff_mlp_init_x86(DSPContext* c, AVCodecContext 
>>> *avctx);
>>>
>>>  #define LOCAL_ALIGNED_D(a, t, v, s, o, ...) DECLARE_ALIGNED(a, t, v) s o
>>>
>>> -#define LOCAL_ALIGNED(a, t, v, ...) LOCAL_ALIGNED_A(a, t, v, __VA_ARGS__,,)
>>> +#define LOCAL_ALIGNED(a, t, v, s, ...) LOCAL_ALIGNED_A(a, t, v, s, 
>>> __VA_ARGS__,)
>>
>> This will break things with strict compilers.  GCC is not a strict compiler.
>>
>>>  #if HAVE_LOCAL_ALIGNED_8
>>> -#   define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED_D(8, t, v, 
>>> __VA_ARGS__,,)
>>> +#   define LOCAL_ALIGNED_8(t, v, s, ...) LOCAL_ALIGNED_D(8, t, v, s, 
>>> __VA_ARGS__,)
>>>  #else
>>> -#   define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED(8, t, v, __VA_ARGS__)
>>> +#   define LOCAL_ALIGNED_8(t, v, s, ...) LOCAL_ALIGNED(8, t, v, s, 
>>> __VA_ARGS__)
>>>  #endif
>>
>> And this too.
>>
>> The current code is perfectly standards-compliant while the patched one
>> is not and WILL BREAK.
>
> Could a version of this be added within #ifdef _MSC_VER then?

I'd rather not.  Imagine the maintenance nightmare.

-- 
Måns Rullgård
[email protected]
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