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Date: Thu, 09 Jul 2009 20:02:57 +0100
From: Dave Korn <dave DOT korn DOT cygwin AT googlemail DOT com>
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To: cygwin AT cygwin DOT com
Subject: Re: Cygwin Build Error
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Jacob Jacobson wrote:

> Thanks. I created symbolic links to gcc-4 & have gotten further. Now
> I get error below. Do I need to install "i686-pc-mingw32" ?

> /c/home/wrk/cygwin/src/winsup/utils/mingw: couldn't find i686-pc-mingw32
> directory

  Nah.  It got confused by whatever links you made.  Instead, take a look at
the attached scripts; they use the alternatives system to switch your default
gcc compiler between gcc-3 and gcc-4 transparently.

    cheers,
      DaveK


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#!/bin/bash

# We only switch the alternatives that exist for both compilers;
# gdc, gpc, g77 and gfortran never get switched.

for x in gcc g++ gcj gnat ; do
  /usr/sbin/alternatives --set $x /usr/bin/$x-3.exe
done

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#!/bin/bash

# We only switch the alternatives that exist for both compilers;
# gdc, gpc, g77 and gfortran never get switched.

for x in gcc g++ gcj gnat ; do
  /usr/sbin/alternatives --set $x /usr/bin/$x-4.exe
done


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