Found out that when trying to emerge mkl with the science overlay, the installer prompts to download intel's parallel studio "professional" edition. But I only found the "cluster" edition in intel's website. This results in an error because the installer is expecting the "professional" edition.
https://software.intel.com/en-us/articles/intel-math-kernel-library-release-notes-and-new-features
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=56846e03ed7c84387775b9ef6b99f8fdf65add10 commit 56846e03ed7c84387775b9ef6b99f8fdf65add10 Author: Aisha Tammy <gentoo@aisha.cc> AuthorDate: 2020-11-05 13:47:11 +0000 Commit: Benda Xu <heroxbd@gentoo.org> CommitDate: 2020-11-09 07:38:13 +0000 sci-libs/mkl: version bump to 2020.4.304 Use eselect-ldso mechanism. Respect Prefix. Closes: https://bugs.gentoo.org/587338 Closes: https://bugs.gentoo.org/592662 Closes: https://bugs.gentoo.org/747304 Closes: https://bugs.gentoo.org/260810 Closes: https://bugs.gentoo.org/715548 Closes: https://bugs.gentoo.org/719976 Reported-by: Juergen Rose, François Bissey, Florian D., Martin Mokrejš Reported-by: Michel Lang, juantxorena@gmail.com, Chris Larson, jorge Package-Manager: Portage-3.0.8, Repoman-3.0.1 Signed-off-by: Aisha Tammy <gentoo@aisha.cc> Signed-off-by: Benda Xu <heroxbd@gentoo.org> sci-libs/mkl/Manifest | 1 + sci-libs/mkl/mkl-2020.4.304.ebuild | 230 +++++++++++++++++++++++++++++++++++++ 2 files changed, 231 insertions(+)