[SDL] SDL-1.2.10 Win32 Build error: mmintrin.h

[Alex Volkov]

Sam Lantinga wrote:
> Is there any way to explicitly check for the processor pack?
> Maybe some #define somewhere?

Alex Volkov wrote:
> There appears to be none.

Actually, I looked *very* hard, and there does appear to be a way. It's a
hack, but the kind that should not get invalidated by future VC6 versions
(since VC6 is at almost the end of its life).
The guards should be something like this:

#elif defined(_MSC_VER) && (_MSC_VER >= 1200) && defined(_M_IX86)
/* Dirty hack -- VC6 Processor Pack installs malloc.h that
 * defines _mm_malloc. Luckily, we only need this trick for VC6,
 * and it looks like VC6 will not change anymore */
#include <malloc.h>
#if (_MSC_VER >= 1300) || defined(_mm_malloc)
#define MMX_ASMBLIT 1
#define MSVC_ASMBLIT 1
#endif
#endif

Ken, please test this with your VC6 and VC7 versions if you can. Thank you!

-Alex.