Merge topic 'target_sources-backtrace' b909be9e23 target_sources: Fix backtrace on missing source 4a3e79048b Tests: Add RunCMake.target_sources case covering missing source Acked-by: Kitware Robot <kwrobot@kitware.com> Tested-by: buildbot <buildbot@kitware.com> Reviewed-by: Ben Boeckel <ben.boeckel@kitware.com> Merge-request: !8268