Error while building GMP-5.1.1 in cygwin

Marc Glisse marc.glisse at
Tue Aug 25 14:53:47 UTC 2015

On Tue, 25 Aug 2015, Hari H N wrote:

> I got the following error in configuring GMP while building a bare metal GNU cross toolchain for Xtensa on cygwin
> configure: error: could not find a working compiler, see config.log for details
> The build was performed using a crosstool-NG downloaded from the site using the git clone git clone
> This downloads GMP-5.1.1 while downloading GCC and related packages.

Why not version 6 ?

Your config.log shows random "permission denied" errors. Could be your 
antivirus, in any case it doesn't look related to GMP, so you would get 
better advice on a windows/cygwin forum.

Marc Glisse

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