No casks found for gfortran.

Cask 'gfortran' is unavailable: No Cask with this name exists.

No such keg: /opt/homebrew/Cellar/gcc

The process '/opt/homebrew/bin/cmake' failed with exit code 1

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v2, jrl-umi3218/github-actions/install-dependencies@master, jrl-umi3218/github-actions/build-cmake-project@master. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

Cask 'gfortran' is unavailable: No Cask with this name exists.

Cask gfortran was renamed to homebrew/core/gfortran.

eigen 3.4.0_1 already installed