NixOS/nixpkgs — pull request #3364 by joelteon (2014-07-24 21:22:44+00:00)
Title: On Darwin, add /bin/ps to path during build

MySQL uses a call to `ps` to figure out some flags for `mysqld_safe`. If it can't find `ps` it ends up generating a `mysqld_safe` script with a syntax error (has an empty conditional).