gnu: libssh: Add $libdir to RUNPATH of libssh_threads.so. * gnu/packages/ssh.scm (libssh)[arguments]: Add #:phases, #:modules, and #:imported-modules. [native-inputs]: New field.
gnu: Add libssh. * gnu/packages/ssh.scm (libssh): New variable.
gnu: Add openssh. * gnu/packages/ssh.cm (openssh): New variable.
gnu: Add libssh2. * gnu/packages/ssh.scm: New file. * Makefile.am (MODULES): Add it.