= Building M2Crypto , for stackless Python 2.6, on a Fedora 13 : =


Building M2Crypto for stackless python 2.6 on a Fedora 13 is not straightforward,
you may hit several errors when building.

Fedora's openssl implementation is not standard, and simply doing 
{{{
  <path-to-stackless-python>python2.6 setup.py build 
}}}
does not work, you would hit : "This openssl-devel package does not work your architecture?" and gcc would fail.

M2Crypto authors give a script for fedora installation, but unfortunately it doesn't work either, due to changes in openssl include files...

The solution is to only use part of the install script : SWIG_FEATURES=-cpperraswarn

You will need the latest M2Crypto svn ( >= 721 ), older revisions trigger build errors.

Then you will need to build your own openssl from source, so that you have the ecdh.h and ecdsa.h
headers ( Fedora doesn't include these, due to possible patent issues . See : https://bugzilla.redhat.com/show_bug.cgi?id=319901 and http://en.wikipedia.org/wiki/ECC_patents )

== Here comes a working receipe for Fedora 13 users, as of 01/11/2010 : ==


=== Lets first build openssl from latest source ===

Choose where you want to install openssl, we will name it <path-to-custom-ssl>
{{{
cd <path-to-custom-ssl>

wget http://www.openssl.org/source/openssl-1.0.0c.tar.gz

md5sum openssl-1.0.0c.tar.gz

tar xzf openssl-1.0.0c.tar.gz

cd openssl-1.0.0c

./config --prefix=<path-to-custom-ssl>openssl  --openssldir=<path-to-custom-ssl>openssl

make

make test

make install
}}}


=== Now to install M2Crypto ===

{{{
cd <where you want to install M2Crypto>


svn co http://svn.osafoundation.org/m2crypto/trunk m2crypto

cd m2crypto

SWIG_FEATURES=-cpperraswarn <path-to-stackless-python>python2.6 setup.py build_ext --openssl=<path-to-custom-ssl>openssl --library-dirs=<path-to-custom-ssl>openssl/lib --include-dirs=<path-to-custom-ssl>openssl/include/openssl build

sudo SWIG_FEATURES=-cpperraswarn <path-to-stackless-python>python2.6 setup.py build_ext --openssl=<path-to-custom-ssl>openssl --library-dirs=<path-to-custom-ssl>openssl/lib --include-dirs=<path-to-custom-ssl>openssl/include/openssl install
}}}