-----Original Message-----
From: Brian Gladman
Sent: Wednesday, October 15, 2014 5:44 PM
To: mpir-devel@googlegroups.com
Subject: Re: [mpir-devel] __WIN64 and _LONG_LONG_LIMB
On 15/10/2014 03:06, Bill Hart wrote:
Ah, that explains it. Mingw uses __WIN64 not _WIN64.
With mingw.org compilers (which are still only 32-bit) neither _WIN64 nor
__WIN64 are defined. (Checked against gcc-4.7.0.)
With the 64-bit mingw-w64 compilers both _WIN64 and __WIN64 are defined.
(Checked against gcc-4.8.2.)
With the 32-bit mingw-w64 compilers neither _WIN64 nor __WIN64 are defined.
(Checked against gcc-4.8.2.)
All of these compilers can be installed on 64-bit windows - the "64-bit
mingw-w64" compiler produces 64-bit executables, the other two compilers
produce 32-bit executables (all of which run on 64-bit Windows machines).
For some other macros that these compilers define, see the "MinGW and
MinGW-w64" section at
http://sourceforge.net/p/predef/wiki/Compilers/
I don't think __WIN64 is ever defined when using a Microsoft compiler.
Cheers,
Rob
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