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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 Prior to running these commands you should have:
3. Installed Xcode

4. Installed Xcode Command Line Tools.

   Code Block
   sudo xcode-select --install 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:

   
   

   Code Block

   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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1. gcc5 +universal

   
   

Installing GMT: An additional step is required for installing gmt4. Add the following line to your ~/.profile:
export PATH=/opt/local/lib/gmt4/bin:$PATH

Explanation: By default, Macports and most ports install in /opt/local/bin and /opt/local/sbin. To let the computer know where to look for Macports and installed ports, a path is created in ~/.profile as such:

export PATH=/opt/local/bin:/opt/local/sbin:$PATH

This is automatically done for you when you install Macports.

However, gmt4 is installed in /opt/local/lib/gmt4/. Since this path isn't installed by default, you must manually create it in your ~/.profile so your computer knows where to look for it.

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