This will allow to avoid #if __cplusplus directives, and C-apis.
git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@569 b1fd45b6-86a6-48da-8261-f70d1f35bdcc
git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@560 b1fd45b6-86a6-48da-8261-f70d1f35bdcc