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Date:	Wed, 15 Mar 2006 16:03:04 -0800
From:	Brian Dessent <brian AT dessent DOT net>
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To:	cygwin AT cygwin DOT com
Subject:	Re: GCC 4.x+
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Angelo Graziosi wrote:

> I have built GCC-3.4.6, 4.0.3, 4.1.0 in this way (using the Cygwin
> GCC-3.4.4-1):
> 
>    ./configure --prefix=/usr/local/gcc-3.4.6           (or 4.0.3, 4.1.0)
>    make
>    make install

I like to use --enable-version-specific-runtime-libs because it seems
cleaner and that's the way the Cygwin gcc packages do it.  I also use
--disable-nls since I don't care for those dozens of various message
catalog files for languages I don't speak.

You will also need --enable-sjlj-exceptions if you ever plan to compile
code that could throw an exception inside a stack frame containing
foreign (non-DW2-enabled) compiled code, such as a win32 callback.  This
can be common in win32 GUI applications, but not an issue if you don't
use C++ exceptions and/or you don't write code that could be called from
a win32 callback.  The dwarf2 EH is a lot faster too.

Brian

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