Thanks - I found wiki notice as well. Looking at fixing this, it seems there may be other issues if the packing rules don't match Sent from my iPhone > On 8 Nov 2013, at 12:32, Mike Pall <mike-1311@xxxxxxxxxx> wrote: > > steve@xxxxxxxxxxxxxxx wrote: >> I am trying to build luajit on windows, and our build machine has different >> number of bits (32) than our target (64) >> >> Is this currently supported? > > Nope, the pointer sizes have to match. The other way round works, > because 64 bit hosts can (usually) run a 32 bit binary as an > intermediate build step. > > --Mike >