Translations:Import/Export IFC - compiling IfcOpenShell/6/en
2. From a terminal go to /nix/ folder and launch the script. In OSX it is executed with:
cd nix/
./build-all.sh
It will take from 30 up to 120 minutes to compile everything. It's not the smarter way of compiling IfcOpenShell but this simple script will compile all dependencies, Python versions, etc.