# emerge --ask --verbose numpy [...] >>> extracting numpy-0.9.6 * checking 269 files for package collisions existing file /usr/bin/f2py is not owned by this package * spent 0.0511419773102 seconds checking for file collisions * This package is blocked because it wants to overwrite * files belonging to other packages (see messages above). * If you have no clue what this is all about report it * as a bug for this package on http://bugs.gentoo.org package dev-python/numpy-0.9.6 NOT merged No package files given... Grabbing a set. # equery b /usr/bin/f2py [ Searching for file(s) /usr/bin/f2py in *... ] dev-python/f2py-2.39.235.1693 (/usr/bin/f2py) #
numpy provides f2py as part of the package. numpy-0.9.8 in the Gentoo Scientific overlay (http://gentooscience.org) should fix it.
Adding block on dev-python/f2py and vice versa on f2py. Thanks for the report and solution.