Install this version:
emerge -a =dev-util/cmake-abicc-9999
If this version is masked, you can unmask it using the autounmask tool or standard emerge options:
autounmask =dev-util/cmake-abicc-9999
Or alternatively:
emerge --autounmask-write -a =dev-util/cmake-abicc-9999
# Copyright 1999-2018 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 EAPI=7 inherit cmake git-r3 DESCRIPTION="CMake module for checking backward compatibility of a C/C++ library" HOMEPAGE="https://github.com/Oleh-Kravchenko/cmake-abicc" EGIT_REPO_URI="https://github.com/Oleh-Kravchenko/cmake-abicc.git" LICENSE="BSD" SLOT="0" KEYWORDS="~amd64 ~x86" IUSE="" DEPEND="dev-util/cmake-version4git" RDEPEND="dev-util/abi-compliance-checker"
dev-util/cmake-version4git
dev-util/abi-compliance-checker