7|sys-kernel/linux-headers|linux-headers-3.18-r1.ebuild|toolchain@gentoo.org 7|sys-kernel/linux-headers|linux-headers-4.14-r2.ebuild|toolchain@gentoo.org 7|sys-kernel/linux-headers|linux-headers-4.4-r1.ebuild|toolchain@gentoo.org 7|sys-kernel/linux-headers|linux-headers-4.9-r1.ebuild|toolchain@gentoo.org