'emerge intel-common' fails with: ... >>> Completed installing intel-common-13.0.0.079 into /var/tmp/portage/dev-libs/intel-common-13.0.0.079/image/ strip: x86_64-pc-linux-gnu-strip --strip-unneeded -R .comment -R .GCC.command.line opt/intel/composerxe-2013.0.079/compiler/lib/intel64/irml/libirml.so ... opt/intel/composerxe-2013.0.079/compiler/lib/ia32/libirng.a * checking 477 files for package collisions ... * Detected file collision(s): * * /etc/env.d/35intelsdp * * Searching all installed packages for file collisions... * * Press Ctrl-C to Stop * * dev-libs/intel-common-12.1.9.293 * /etc/env.d/35intelsdp * * Package 'dev-libs/intel-common-13.0.0.079' NOT merged due to file * collisions. If necessary, refer to your elog messages for the whole Deleting /etc/env.d/35intelsdp solves the issue.
dev-libs/intel-common-12.1.9.293 Where did that come from? Why would it be SLOTted?
dev-libs/intel-common-13.0.0.079 seems to be belonging to the normal portage tree, dev-libs/intel-common-12.1.9.293 was part of the science overlay: root@impala:/root(19)# emerge -pvD sci-libs/mkl dev-libs/intel-common These are the packages that would be merged, in order: Calculating dependencies... done! [ebuild NS ] dev-libs/intel-common-13.0.0.079::gentoo [12.1.9.293::science] USE="compiler (multilib)" 0 kB [ebuild R ] sci-libs/mkl-10.3.7.256::science USE="(multilib)" 0 kB intel-common is installed as dependency of sci-libs/mkl: root@impala:/root(24)# equery d dev-libs/intel-common * These packages depend on dev-libs/intel-common: sci-libs/mkl-10.3.7.256 (>=dev-libs/intel-common-12)