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Re: Does Cygwin run on Windows 2003 64 bit?
- From: Kai Tietz <Kai dot Tietz at onevision dot com>
- To: rajeevs <rajeevlochansahu at gmail dot com>
- Cc: cygwin at cygwin dot com
- Date: Thu, 5 Feb 2009 14:07:54 +0100
- Subject: Re: Does Cygwin run on Windows 2003 64 bit?
firstname.lastname@example.org wrote on 05.02.2009 13:53:42:
> Hi There,
> please go through the follows:
> 1) I want to create a 64 bit DLL using Cygwin in Windows Serever
> 64 bit platform.
> 2) I am using Cygwin to run the make file
> 3) In the make file I have a macro ?CFLAGS? where gave the option
> ?-m64? in the make file for 64 bit build
> 4) But when I use this option I am getting an error like:
> $ make -f makefile_64
> g++ -c -DWIN64 -D"__int64=long long" -trigraphs -I../include
> -IC:/Progra~1/Java/jdk1.5.0_10/include/win32 -mno-cygwin -m64 Abc.C -o
> Abc.C:1: sorry, unimplemented: 64-bit mode not compiled in
> make: *** [Abc.o] Error 1
> 5) The main thing is that I don?t know exactly what should be the
> option we have to give under cygwin for building a 64 bit DLL (though I
> used ?-m64? option), but in Linux if you use this option, you?ll get
> bit .SO file!!!
> i tried alot but tillnow didn't get the solution.
> Please suggest me some alternative options if anybody have.
> Thanks in advance!
> samuel.m.snitman wrote:
> > Can you please tell me if Cygwin is expected to run on Windows 2003 64
> > bit Enterprise Edition?
> > Thanks,
> > Sam Snitman
> > Accenture
> > Mercury ITG Team
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You need to take a 64-bit capable cross toolchain for compiling 64-bit
You can take a look at the MinGW-w64 project at
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