Should probably be in categorized as sci-lib CalculiX is a dependency for FreeCAD FEM workbench. Current stable is v2.14 Website: http://www.calculix.de Here is an Arch linux pkgbuild script one can use as a guidline to create an ebuild: https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=calculix Here is a patch used in the above install: https://aur.archlinux.org/cgit/aur.git/tree/calculix_2.14_archlinux.patch?h=calculix
CalculiX 2.15 was just released
I'm having an ebuild in my overlay (https://github.com/waebbl/waebbl-gentoo/tree/master/sci-libs/) for several years with a relatively current 2.17 release. If there is approval to add this package to the tree, I'd be willing to maintain it.