Having these versions installed renders the system unable to compile
anything cmake based.
Signed-off-by: Fabian Groffen <grobian@gentoo.org>
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
+# Fabian Groffen <grobian@gentoo.org> (22 Mar 2019)
+# Newer versions break because they insist on sysroot usage lacking
+# -lSystem as looked for by clang/llvm. If your system got this
+# package, you have to emerge -C cmake and re-emerge it.
+>dev-util/cmake-3.13.4
+
# James Le Cuirot <chewi@gentoo.org> (29 Jul 2015)
# Recent Oracle releases only support recent Mac OS releases. We can't
# keep old versions due to vulnerabilities.