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Installation

To install the most recent stable release run: 

pip install pyarv
or to install the latest version run: 
pip install git+https://github.com/oliversheridanmethven/pyarv.git
For developers, to pull in all the required packages, run: 
pip install pyarv[dev]

To test the installation is working fine run: 

pytest --pyargs pyarv

Common installation issues

Apple Clang does not support -fopenmp

Apple Clang does not support -fopenmp out of the box, but a simple brew install [gcc|llvm] resolves this issue by installing a nice new compiler which does support the flag. If you are required to use the native Apple Clang compiler, then doing brew reinstall libomp should circumvent the issue.

GCC on Mac complains about missing definitions and unknown types from stdio.h

Trying to use modern versions of GCC (e.g. 14.2) on Mac complains about missing standard library functions, types, and definitions from stdio.h, such as:
error: unknown type name 'FILE'

There is an incompatability between CMake, Mac, XCode, and GCC, which is documented here with a MWE. A solution to this is to 

export SDKROOT=/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/
before calling CMake. Note that newer versions of the SDK, such as 15, still exhibit this issue. (Perhaps put this in your ~/.bashrc, ~/.zshrc, or similar.)