I didn’t check when it actually started, but one of our projects started failing on macOS due to missing gfortran: https://travis-ci.org/cp2k/dbcsr/jobs/547314948 The culprit seems to be brew not installing any dependencies since it’s outdated: [...] Installing Homebrew Packages 8.16s$ rvm $brew_r…

Issue: brew Formula installation fails due to being outdated

karliss June 24, 2019, 10:53am 2

Rest of the discussion here

Tittle says XCode 8.3 but it probably affects other versions as well.