Packages with the data use flag

dev-libs / poco : C++ libraries for building network-based applications

  • Database abstraction layer to easily send/retrieve data to/from various databases

games-action / dxx-rebirth : Descent Rebirth - enhanced Descent 1 & 2 engine

  • Install data files

sci-astronomy / casacore : Core libraries for the Common Astronomy Software Applications

  • Installs measures and data (pulls sci-astronomy/casa-data)

sci-geosciences / gshhs : Global Self-consistent, Hierarchical, High-resolution Shoreline programs

  • Add earth data with sci-geosciences/gshhs-data

sci-mathematics / pari : Computer-aided number theory C library and tools

  • Add additional data (elldata, galdata, seadata, nftables)

sci-physics / geant : Toolkit for simulation of passage of particles through matter

  • Add a lot of standard physics data files for geant4