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Date: Fri, 19 Dec 2008 12:04:46 -0500
From: Ken Brown <kbrown AT cornell DOT edu>
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On 12/19/2008 11:19 AM, Eli Zaretskii wrote:

> Yes, Angelo deserves a lot of kudos for his efforts, but unfortunately
> much more is needed.  For example, even though it is possible to build
> a Cygwin version now, if you are willing to install specific versions
> of development tools, the following entry from etc/PROBLEMS in the
> Emacs distribution would not sound very good to me if I were a Cygwin
> user who needs to decide whether to install Emacs:
> 
>   *** Building the Cygwin port for MS-Windows can fail with some GCC versions
> 
>   Building Emacs 22 with Cygwin builds of GCC 3.4.4-1 and 3.4.4-2 is
>   reported to either fail or cause Emacs to segfault at run time.  In
>   addition, the Cygwin GCC 3.4.4-2 has problems with generating debug
>   info.  Cygwin users are advised not to use these versions of GCC for
>   compiling Emacs.  GCC versions 4.0.3, 4.0.4, 4.1.1, and 4.1.2
>   reportedly build a working Cygwin binary of Emacs, so we recommend
>   these GCC versions.  Note that these versions of GCC, 4.0.3, 4.0.4,
>   4.1.1, and 4.1.2, are currently the _only_ versions known to succeed
>   in building Emacs (as of v22.1).
> 
> Feel free to update this entry for recent versions of GCC, but
> personally I would stay away of a package that has problems with so
> many versions of the compiler.

The entry in etc/PROBLEMS is out of date and was probably written before 
there was an official gcc4 cygwin package.  You no longer have to 
install special versions of gcc.  If you simply install cygwin's current 
gcc4 package, you get gcc 4.3.2, with which it's easy to build emacs 
22.3.  (And I think Angelo has built CVS versions of emacs 23 with it.) 
  I've been using my build of emacs 22.3 daily for several months with 
no problems under cygwin 1.5.

Ken

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