Re: 64bit Windows builds

On 1/18/2012 6:13 AM, Lester Caine wrote: > > A much better reason for not supporting the build is probably that the 64bit compiler is > not available in the free development stack? We have to buy a development stack to get the > 64bit compiler which blocks rather than working with the publicly available process :( > But actually that is a better reason for supplying a 64 bit build, and why others are > providing that service. Actually, no. There are any number of free mechanisms to build 64 bit code. The root problem is that Windows "WIN64" is a 64P architecture. Linux and *nix variants, on the other hand, are 64ILP or 64LP. Meaning Windows has longs/ints which are undersized compared to the *nix brethren. The old and stale abuse such as unsigned long X = (unsigned long)pY; will not do what the author intended. This means all packages ported to *nix 64 bits may have very serious flaws which have not been fixed for *Windows 64 bit* architecture. I'd anticipate CoApp identifying and resolving most of these applicable to PHP over the coming months, but it is a non-trivial problem requiring a number of pairs of eyeballs to get right.