Merge topic 'cmake-compile-no-warning-as-error'

da27ff1e96 Preserve --compile-no-warning-as-error in automatic CMake re-runs
e0b48284a1 Xcode: Internally uses -S instead of -H to specify source directory

Acked-by: Kitware Robot <kwrobot@kitware.com>
Tested-by: buildbot <buildbot@kitware.com>
Merge-request: !8522