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1. A wiki on installing Xcode via the App Store can be found here: Installing Xcode Tools and X11
2. Upon completing these steps you should have:
3. Installed Xcode
4. Installed Xcode Command Line Tools.

   1. 
      

      Code Block
      sudo xcode-select --install

   Accepted the Xcode License Agreement
   1. sudo xcodebuild -license (type

      sudo xcodebuild -license (type "agree" to accept license). open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg (10.14 and later)

      
      

Installing Macports

1. Download and install Macports from http://www.macports.org/ .

2. Sync your local software tree with the master repository using this command:

   Code Block
   sudo port -v selfupdate

   
   

3. This installs all the ports used at IGPP:
   1. sudo port install szip gdal +curl +geos +hdf5 +netcdf gmt5 gmt4 gawk ghostscript gv xorg-libXt +flat_namespace nedit g95 xpdf rsync sshfs geographiclib py27-obspy py27-numpy py27-scipy py27-matplotlib netcdf hdf5-18 ncarg gcc5 +universal sudo port install szip gdal +curl +geos +hdf5 +netcdf gmt5 gmt4 gawk ghostscript gv xorg-libXt +flat_namespace nedit g95 xpdf rsync sshfs geographiclib py27-obspy py27-numpy py27-scipy py27-matplotlib netcdf hdf5-18 ncarg gcc5 +universal

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