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Subject:	Re: Compiling for native Windows
To:	cygwin AT cygwin DOT com
References:	<E55DAFB039184B68A59ACA51835394A5 AT OwnerPC311012> <566ECF40 DOT 3020000 AT gmail DOT com> <2548A0BAF6DD44E2A632BFA8D0028E9A AT OwnerPC311012>
From:	Ken Brown <kbrown AT cornell DOT edu>
Message-ID:	<566F7F0E.7060608@cornell.edu>
Date:	Mon, 14 Dec 2015 21:46:38 -0500
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On 12/14/2015 8:14 PM, sisyphus1 AT optusnet DOT com DOT au wrote:
> -----Original Message----- From: Marco Atzeri
> Sent: Tuesday, December 15, 2015 1:16 AM
> To: cygwin AT cygwin DOT com
> Subject: Re: Compiling for native Windows
>
>> you need to use the cross compiler package
>>   mingw64-x86_64-gcc-core
>>
>> /usr/bin/x86_64-w64-mingw32-gcc.exe
>> replaces the old "-mno-cygwin" usage
>
> Thanks - that worked fine with gmp-6.1.0.
>
> I also had to set some environment variables - eg NM=x86_64-w64-mingw32-nm ,
> otherwise configure runs /usr/bin/nm and fails. But this is as expected.

Assuming that gmp supports cross-compiling (which is likely), you can just use 
the configure option --host=x86_64-w64-mingw32.  This will automatically select 
the right gcc, nm, etc.

> I assume that if one wants a 32-bit build, one simply uses the "i686" cygwin
> package instead of the "x86_64" one.

Yes.  And then configure --host=i686-w64-mingw32.

Ken

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