Switch to the Kitware(cmake maintainer) fork of ninja with make
jobserver support.
This fork has tagged releases based on upstream release tags with
jobserver support added.
It is sad that we need to switch to a fork to get this feature, but
upstream is fighting it over philosophical issues, even though dozens of
people request the feature and a PR for it has existed since 6 years
[1].
[1] https://github.com/ninja-build/ninja/issues/1139
Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
227d7e0cba