[Mono-dev] Building mono runtime in VS2003
Aras Pranckevicius
aras at unity3d.com
Wed Dec 12 16:55:47 EST 2007
> I have worked through most issues (eglib and libgc are
> building) but one has got me. In mono-membar.h (libmono) it is looking for
> intrin.h which does not ship with VS2003.
Here's what we do:
#if _MSC_VER >= 1400
#include <intrin.h> /* VS2005 */
#else
void _ReadWriteBarrier();
#pragma intrinsic(_ReadWriteBarrier)
void _WriteBarrier();
#pragma intrinsic(_WriteBarrier)
#endif
And then change mono_memory_read_barrier to:
#if _MSC_VER >= 1400
_ReadBarrier ();
#else
_ReadWriteBarrier(); /* VS2003 does not have _ReadBarrier intrinsic */
#endif
VS2003 does not seem to have ReadBarrier, so instead do a full
read&write barrier. Which can be a bit more expensive, but oh well.
--
Aras Pranckevicius
work: http://unity3d.com
home: http://aras-p.info
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