I got into troubles to be behind a proxy and my build then fails
because it cannot connect to git://github.com urls
To avoid such problems for others I think it is useful to replace
them for the whole repo. This changes make it work for me again.
Signed-off-by: Matthias Kesler <krombel@krombel.de>
4.1 has an important bugfix for platforms (such as ARM cns3xxx) where "char"
does not default to "signed char" and other bugfixes.
Also build with debugging enabled (-D flag) to enable debugging, the size
increase is just +336B (on platform au1000).
