Merge topic 'try_compile-source-from'
611d801790 try_compile: Add SOURCE_FROM_FILE
a04eaf6742 Tests: Clean up and simplify TryCompile tests
cb14ae2b87 try_compile: Add SOURCE_FROM_{ARG,VAR}
Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: buildbot <buildbot@kitware.com>
Merge-request: !7700