Context: Ubuntu 20.04, ECL 20.4.24 (latest release) built with CXX support (./configure --with-cxx), using system g++ 9.
Installation fails with:
;;; /root/.cache/common-lisp/ecl-20.4.24-6b789092-linux-x64/root/quicklisp/dists/quicklisp/software/clon-1.0b24/termio/termio.cxx:145:10: error: ‘strerror’ was not declared in this scope
;;; 145 | msg = strerror (errno);
;;; | ^~~~~~~~
Context: Ubuntu 20.04, ECL 20.4.24 (latest release) built with CXX support (./configure --with-cxx), using system g++ 9.
Installation fails with: