/MP flag with VS2005

SpeckledJim

New member
Anyone using the /MP flag with VS2k5 to force multi-threaded builds? It gives a nice saving in compile time, but it seems to suffer from a weird problem where it will decide the project needs to do a rebuild-all every time it compiles. Take the flag off and after a further rebuild it will be back to normal.

I realise this is an unsupported feature in 2k5, but I can't seem to find anything online about this problem.
 
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