Leo, Leo Famulari wrote on 06/01/18 at 18:49: > Use the (git-version) procedure here > And (git-file-name) Both new to me. Thanks! >> + (add-after 'unpack 'bootstrap >> + (lambda _ >> + (invoke "sh" "autogen.sh") >> + #t))))) > > (invoke) should raise an exception if something goes wrong; > otherwise it returns #t. Do we need that extra #t? Nope, the whole point of (invoke) was to replace my original use of (system*), and the #t just got left in. Thanks for spotting! Kind regards, T G-R