eccodes

USE flags

• defs - Install full set of definition files.
• examples - Install examples, usually source code
• extra-test - Install full set of test data (large).
• fortran - Add support for fortran
• jpeg2k - Support for JPEG 2000, a wavelet-based image compression format
• memfs - Enable memory based access to definition/sample files (conflicts with tests).
• netcdf - Enable NetCDF data format support
• openmp - Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
• png - Add support for libpng (PNG images)
• python - Add optional support/bindings for the Python language
• szip - Use the szip compression library
• test - Enable dependencies and/or preparations necessary to run tests (usually controlled by FEATURES=test but can be toggled independently)
• threads - Add threads support for various packages. Usually pthreads