9:32:17UkariI install ecl/fee1d49b (the fourth commit in https://gitlab.com/embeddable-common-lisp/ecl/commits/develop) by roswell, but didn't find #'mp:compare-and-swap
9:34:32jackdanielUkari: I'm not using roswell and I have a bad opinion about it, so I can't help you with that
9:35:04jackdanielplease try cloning the source code and: ./configure && make && sudo make install, then ecl's binary will be installed in /usr/local/bin/ecl