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Created by Foad@foadsf

Understanding the Darwin section of the etc/config.sh/settings

This is actually not an issue, more of a question leading towards a possible enhancement.

running the source <path>/etc/bashrc command on macOS returns the

openfoam: darwin support is clang/llvm only

error message, coming from the etc/config.sh/settings bash script:

Darwin)
    WM_ARCH=darwin64
    [ "$WM_COMPILER" = Gcc ] && WM_COMPILER=Clang
    echo "openfoam: darwin support is clang/llvm only" 1>&2
    ;;

Now I am not quite sure what this code block is supposed to do. I also tried to search the code-base for the WM_COMPILER variable to see where it has been set.

On my machine, I have several compilers including

  • Apple's XCode /usr/bin/clang 
Apple clang version 12.0.5 (clang-1205.0.22.9)
Target: x86_64-apple-darwin21.2.0
Thread model: posix
InstalledDir: /Library/Developer/CommandLineTools/usr/bin
  • GNU Gcc /usr/local/Cellar/gcc/11.1.0_1/bin/gcc-11 
gcc-11 (Homebrew GCC 11.1.0_1) 11.1.0
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

ideally, I would like to choose the compiler set by providing arguments to the <path>/etc/bashrc script.