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Date: Wed, 28 Jan 2009 10:25:09 -0500
From: Roger Wells <ROGER DOT K DOT WELLS AT saic DOT com>
Reply-To: "WELLS, ROGER K." <ROGER DOT K DOT WELLS AT saic DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: RFD: cygwin + *native* MinGW compiler
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Charles Wilson wrote:
> Pursuant to a discussion on the libtool list, I'm trying to get a feel
> for how many cygwin users rely on the cygwin environment to drive the
> *native* MinGW gcc compiler.  That is, incantations like this:
>
> 1a)
> cygwin$ some-src-pkg/configure \
>   --build=i686-pc-cygwin --host=mingw32 \
>   CC=/c/MinGW/bin/gcc.exe \
>   CXX=/c/MinGW/bin/g++.exe \
>   NM=/c/MinGW/bin/nm.exe \
>   DLLTOOL=/c/MinGW/bin/dlltool.exe \
>   OBJDUMP=/c/MinGW/bin/objdump.exe \
>   LD=/c/MinGW/bin/ld.exe
>
> or possibly
>
> 1b)
> cygwin$ export PATH=/c/MinGW/bin:$PATH
> cygwin$ some-src-pkg/configure \
>   --build=i686-pc-cygwin --host=mingw32
>
> Note that this is *DIFFERENT* than installing a true cygwin-hosted
> mingw-target cross-compiler, and just doing
>
> 2)
> cygwin$ some-src-pkg/configure \
>   --build=i686-pc-cygwin --host=i686-pc-mingw32
>
> It is ALSO different than the (deprecated, unsupported,
> go-away-don't-bother-us) incantation:
>
> 3)
> cygwin$ some-src-pkg/configure \
>   --build=i686-pc-cygwin --host=i686-pc-mingw32 \
>   CFLAGS='-mno-cygwin'
>
> I hope this is considered on-topic here, because I'm interested in the
> uses of the cygwin environment itself.  I don't want reports of why it
> doesn't work, or how hard it is to get one of the incantations above to
> work.  I just want to get an idea of how many people are currently,
> actually, successfully, doing something like 1a) or 1b) above.
>
>   
Our development group uses "native" MinGW every day with the Cygwin bash 
shell as the center of operations.  
I believe that we are over ten years into this at this point
Our build environment uses Serena Configuration Builder and PVCS, but I 
can feel a more standard unixish (autoconf,
automake, etc) environment coming in as well.  I also use Cygwin to 
develop using Embedded C++, Visual C++ by starting bash
via a windows batch file that sets the "BASHENV" environment variable 
to  another script, eg .mingwrc, that  sets the build environment
specifically ensuring in this case that MinGW's gcc, etc is ahead of 
Cygwin's in the PATH.
> --
> Chuck
>
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>
>   

-- 
Roger Wells, P.E.
SAIC
221 Third St
Newport, RI 02840
401-847-4210 (voice)
401-849-1585 (fax)
roger DOT k DOT wells AT saic DOT com


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