Merge topic 'block-management' 44a2f3f332 Add new flow-control commands for variables and policies scopes management 604993248f cmMakefile::VariablePushPop: helper class to manage variable scopes 3d94ee0e03 cmMakefile::RaiseScope: Add support for cmValue argument 553da0685f cmFunctionBlocker: Add handling of close block without parameters. 02c067dee5 cm::enum_set: fix various bugs Acked-by: Kitware Robot <kwrobot@kitware.com> Acked-by: John Ericson <git@johnericson.me> Merge-request: !7575