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The install relies on brew. please see https://brew.sh, also we will be using default apps by default using apple clang compiler. Alternatively we can use gnu, but this requires additional steps as we will need to build boost ourselves.

• first install brew. Paste that in a macOS Terminal or Linux shell prompt.

  Code Block
  language bash
  /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"

  
  

• next install ecflow dependencies

  Code Block
  language bash
  brew install boost brew install boost-python3 brew install openssl brew install qt

  
  

• Download and place in $HOME/git

  Code Block
  language bash
  git clone ssh://git@git.ecmwf.int/ecflow/ecflow.git git clone ssh://git@git.ecmwf.int/ecsdk/ecbuild.git

  
  

• build ecflow, and will install to ${HOME}/install/ecflow/${version}

  Code Block
  language bash
  cd $HOME/git/ecflow git checkout develop sh -x build_scripts/mac.sh make -j8 install # if you make a mistake use: sh -x build_scripts/mac.sh clean make -j8 install # clean will blast build directory

  
  

• Add the following to your .bash_profile

  Code Block
  language bash
  ecflow_version=$(awk '/^project/ && /ecflow/ && /VERSION/ {for (I=1;I<=NF;I++) if ($I == "VERSION") {print $(I+1)};}' $HOME/git/ecflow/CMakeLists.txt) python_dot_version=$(python3 -c 'import sys;print(sys.version_info[0],".",sys.version_info[1],sep="")') export PATH="$PATH:$HOME/install/ecflow/$ecflow_version/bin" export PYTHONPATH="$HOME/install/ecflow/$ecflow_version/lib/python${python_dot_version}/site-packages"