espresso

USE flags

• doc - Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
• examples - Installs the examples
• fftw - Use FFTW library for computing Fourier transforms
• hdf5 - Add support for the Hierarchical Data Format v5
• python_single_target_python3_10 - Build for Python 3.10 only
• python_single_target_python3_11 - Build for Python 3.11 only
• python_single_target_python3_9 - Build for Python 3.9 only
• savedconfig - Use this to restore your config from /etc/portage/savedconfig ${CATEGORY}/${PN}. Make sure your USE flags allow for appropriate dependencies
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)