Re: [boost] [config] win32 identification macros

From: Simon Buchan (simon_at_[hidden])
Date: 2005-09-21 22:03:54

Jonathan Turkanis wrote:
> Hi,
> 
> The header <boost/config/select_platform_config.hpp> contains the lines
> 
>   #elif defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
>   // win32:
>   #  define BOOST_PLATFORM_CONFIG "boost/config/platform/win32.hpp"
> 
> Does anyone know why it's necessary to test __WIN32__ and WIN32? A quick test
> showed that vc6-7.1, cw8-9.4, como 4.3.3, gcc 3.4.2 (minGW), dmc, bcc 5.6.4, and
> intel 7.1-8.0 all define _WIN32. What's left over?
> 
> Jonathan
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Some cross-compilers, I think, depending on the configuration.
Probably only historical reasons now.