Fri Sep 7 10:34:54 IDT 2018 ============================ I have a report that Alpine Linux uses BusyBox for its utilities. In particular, the BusyBox ls does not have a -f option. This option is needed in at least one of the tests. Install coreutils on your Alpine Linux system: apk add coreutils in order to get a fully POSIX-compliant ls. Similarly, 'make diffout' fails because BusyBox diff doesn't accept the -c option. To get a working diff, use: apk add diffutils Arnold Robbins arnold@skeeve.com