Hello, There are two PRs that update devel/avr-gcc and devel/avr-libc/: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192399 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192400 Please test and report if those work for your applications. -- pi at FreeBSD.org +49 171 3101372 6 years to go !