Now that we require cmake-3.15, which is what upstream ninja requires,
we can drop the workarounds we carry to build with cmake-3.10.
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Peter Seiderer <ps.report@gmx.net>
Cc: Yegor Yefremov <yegorslists@googlemail.com>
Cc: Philippe REYNES <philippe.reynes@softathome.com>
Reviewed-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
b0fed2d6e7