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The install relies on brew. please see https://brew.sh, also we will be using default apps by default using the 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 cmake brew install boost brew install boost-python3 brew install openssl brew install qt brew install figlet # replacement for banner in scripts (i.e. .ecf files)

  
  

• clone 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 git clone ssh://git@git.ecmwf.int/ecsdk/metabuilder.git # optional

  
  

• 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" export WK='$HOME/git/ecflow' # to use the meta builder on MAC: export PERM='$HOME/PERM' export SCRATCH='$HOME/SCRATCH' export METABUILDER_TESTING=1

  
  

• To use the meta builder on mac: Assumes you have updated .bash_profile.

  Code Block
  language bash
  cd $WK # This will kill the server if its already running, then start the server on port 4141 # Run the metabuilder/develop # start the GUI sh -x build_scripts/nightly/quick_install.sh

  
  

  Warning
  You will only be able to run the apple_clang compiler in the metabuilder, to use gnu.92 you will need to install/build with this compiler.