hi, i built ssl plugin i didn't tested but at least it find it and loads and i were able to run 1st primitive: primitiveSSLCreate "Primitive. Creates and returns a new SSL handle in the VM plugin" <primitive: 'primitiveCreate' module: 'SqueakSSL'> ^ self primitiveFailed i updated the configuration & added missing source files in this commit: https://gitorious.org/cogvm/blessed/commit/59ef1cb1c70a93ed3c974b5d6beea0e4a... to build SSL plugin you must have ssl, and ssl-dev libs installed: sudo apt-get install openssl sudo apt-get install libssl-dev You can download prebuilt plugin from here: http://code.google.com/p/cog/downloads/detail?name=libSqueakSSL.so.gz&can=2&... (it is with debug info, since i used debug config to build it) To build it, you shoud use >= CMakeVMMaker-IgorStasenko.157 and CogUnixConfig new addExternalPlugins: #( ... yours ... SqueakSSLPlugin ) generateSources; generate. please try plugin, if it works, so we can include it in standard build and be built automatically on jenkins server. -- Best regards, Igor Stasenko.