[mythtv] MythTV on Mac OS X for Intel
Geoffrey Kruse
gkruse at gmail.com
Fri Jan 27 03:27:46 UTC 2006
On Jan 26, 2006, at 11:00 PM, Geoffrey Kruse wrote:
>
> On Jan 26, 2006, at 10:53 PM, James Lauser wrote:
>
>> Just running --enable-mmx errors out with "error, no memalign() but
>> sse enabled, either disable it or use --enable-memalign-hack".
>> Adding --enable-memalign-hack fails with "{standard
>> input}:unknown:file contains unmatched .macro and .endmacro for:
>> FDCT_ROW_SSE2_H1it"
>>
>
> This is where is gets a little complicated. Mac OSX has no memalign
> () function because malloc() returns aligned memory by default. So
> I -think- one could do something like this:
>
> #ifndef memalign()
> #define memalign() malloc()
> #endif
>
> I'm sure someone will correct me on the code part of it, but I am
> sure that malloc returns aligned memory by default.
>
>
I may have to eat my words on that part as I can't find the reference
I thought I saw. While looking though, I found that when ffmpeg is
configured, HAVE_MEMALIGN is defined, could this be useful in this case?
Geoff
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