Re: [tor-dev] building from source in a 64-bit windows environment..

[Anthony Martin <ality@xxxxxxxxxx>]

Zack Weinberg <zackw@xxxxxxxxx> once said:
> * Win64 is the *only* flat-memory-space ABI ever promulgated in
>   which pointers cannot safely be converted to 'unsigned long'
>   and back without loss of information.  This is a willful
>   violation of requirements in C89 and is IMNSHO sufficient
>   justification to refuse to port to this platform, all by itself.

This is just wrong. There's nothing wrong with having long
be the same size as int. And Windows isn't the only 64-bit
platform that does it. Plan 9 works the same way.

C89 explicitly says that even the mapping from pointer to
integer types is implementation-dependent.

  Anthony
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