Homebrew instructions are included in this article which also includes other free Fortran compilers and other useful Fortran info. If you upgrade the OS Macports will need a complete reinstallation (OK it might work but support and test is only done on a complete reinstallation, previous OS upgrades have definitely needed one the last 1-2 might have worked) Macports should download readymade binaries for this so no wait for a long compile of gcc select the version sudo port select -set gcc mp-gcc5.install a select program to allow selection of different gcc versions (in this case there will only be one) sudo port install gcc_select.install gcc with the fortran option sudo port install gcc5.Windows users can install the Rtools suite while Mac users will have to download the necessary tools from the Xcode suite and its related command line tools (found within Xcode’s Preference Pane under Downloads/Components) most Linux distributions should already have up to date compilers (or. Xcode now does not install gcc (even via command line tools) gcc is a link or wrapper to clangĪs to installation my first attempt would be via a package manager like Macports or Homebrew or fink.įor macports (others will be similar) install will be 1) Obtain recent gcc, g++, and gfortran compilers. Gfortran is part of gcc (gcc stands for GNU Compiler Collection not just the name of GNU's c++ compiler)
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