diff --git a/app-portage/cpuid2cpuflags/cpuid2cpuflags-9999.ebuild b/app-portage/cpuid2cpuflags/cpuid2cpuflags-9999.ebuild
new file mode 100644
index 0000000000000..8e891b478ae5e
--- /dev/null
+++ b/app-portage/cpuid2cpuflags/cpuid2cpuflags-9999.ebuild
@@ -0,0 +1,21 @@
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+EGIT_REPO_URI="https://github.com/mgorny/cpuid2cpuflags"
+inherit autotools git-r3
+
+DESCRIPTION="Tool to guess CPU_FLAGS_X86 flags for the host"
+HOMEPAGE="https://github.com/mgorny/cpuid2cpuflags"
+SRC_URI=""
+
+LICENSE="BSD-2"
+SLOT="0"
+KEYWORDS=""
+IUSE=""
+
+src_prepare() {
+	default
+	eautoreconf
+}