patch 8.1.1325: cannot build with +eval but without +channel and +timers commit https://github.com/vim/vim/commit/97b0075b0d733cc58c29247b09e7887b9991d7bf Author: Bram Moolenaar <Bram@vim.org> Date: Sun May 12 13:07:14 2019 +0200 patch 8.1.1325: cannot build with +eval but without +channel and +timers Problem: Cannot build with +eval but without +channel and +timers. (John Marriott) Solution: Adjust #ifdef for get_callback().