'emerge -uvDN =sage-8.1-r2' fails with: root@cheetahnew:/root(36)# emerge -uvDN =sage-8.1-r2 * IMPORTANT: 1 news items need reading for repository 'gentoo'. * Use eselect news read to view new items. These are the packages that would be merged, in order: Calculating dependencies... done! emerge: there are no ebuilds to satisfy "=dev-python/matplotlib-2.1*[python_targets_python2_7(-)?,python_targets_python3_6(-)?,-python_single_target_python2_7(-),-python_single_target_python3_6(-)]". (dependency required by "sci-mathematics/sage-8.1-r2::sage-on-gentoo" [ebuild]) (dependency required by "=sage-8.1-r2" [argument]) 'emerge -uvDN sage' fails with: root@cheetahnew:/root(43)# emerge -uvDN sage These are the packages that would be merged, in order: Calculating dependencies... done! The following mask changes are necessary to proceed: (see "package.unmask" in the portage(5) man page for more details) # required by sage (argument) # /var/lib/layman/sage-on-gentoo/profiles/package.mask: # dev-libs/mpfr-4.0.x is currently masked but sage-8.2 depends on it. # therefore sage-8.2 needs to be package.masked for now. =sci-mathematics/sage-8.2 NOTE: The --autounmask-keep-masks option will prevent emerge from creating package.unmask or ** keyword changes. Use --autounmask-write to write changes to config files (honoring CONFIG_PROTECT). Carefully examine the list of proposed changes, paying special attention to mask or keyword changes that may expose experimental or unstable packages. * In order to avoid wasting time, backtracking has terminated early * due to the above autounmask change(s). The --autounmask-backtrack=y * option can be used to force further backtracking, but there is no * guarantee that it will produce a solution. emerge: there are no ebuilds to satisfy "=dev-python/matplotlib-2.1*[python_targets_python2_7(-)?,python_targets_python3_6(-)?,-python_single_target_python2_7(-),-python_single_target_python3_6(-)]". (dependency required by "sci-mathematics/sage-8.2::sage-on-gentoo" [ebuild]) (dependency required by "sage" [argument])
Please sync the overlay, this has been fixed in the last 12 hours.