action.yml

# This file is part of MOM6, the Modular Ocean Model version 6.
# See the LICENSE file for licensing information.
# SPDX-License-Identifier: Apache-2.0

name: 'install-macos-prerequisites'

description: 'Install prerequisites for Mac OS compilation'

runs:
  using: 'composite'

  steps:
    - name: Install macOS packages
      shell: bash
      run: |
        echo "::group::Install packages"
        brew reinstall gcc
        brew install automake
        brew install netcdf
        brew install netcdf-fortran
        brew install mpich
        echo "::endgroup::"

    # NOTE: Floating point exceptions are currently disabled due to an error in
    # HDF5 1.4.3.  They will be re-enabled when the default brew version has
    # been updated to a working version.

    - name: Set compiler flags
      shell: bash
      run: |
        cd .testing
        echo "FCFLAGS_DEBUG = -g -O0 -Wextra -Wno-compare-reals -fbacktrace -fcheck=bounds" >> config.mk
        echo "FCFLAGS_REPRO = -g -O1 -ffp-contract=off -fbacktrace" >> config.mk
        echo "FCFLAGS_INIT = -finit-real=snan -finit-integer=2147483647 -finit-derived" >> config.mk
        echo "FCFLAGS_FMS = -g -fbacktrace -O0" >> config.mk
        cat config.mk
        echo "::endgroup::"