Due to recent enhancements of binary packages support it is required to set the lowest EAPI to 4. Please migrate to higher EAPI or drop versions with old EAPIs until 30 September 2013.
commit 0545cfffc68a4224f0c0e8699d4b3787c61f850d Author: Justin Lecher <jlec@gentoo.org> Date: Sun Jan 17 18:23:03 2016 +0100 sci-libs/udunits: Drop old using EAPI < 4 Gentoo-Bug: https://bugs.gentoo.org/show_bug.cgi?id=478624 Package-Manager: portage-2.2.26 Signed-off-by: Justin Lecher <jlec@gentoo.org> https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=0545cfffc68a4224f0c0e8699d4b3787c61f850d