Merge topic 'lang-linker-launcher-genex'

33e27f6ca6 <LANG>_LINKER_LAUNCHER: Allow generator expressions
84ada0b0c9 <LANG>_COMPILER_LAUNCHER: Expand subset of genexes that can be evaluated

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !8152