/usr/include/x86_64-linux-gnu/eckit/config/ is in libodb-api-dev 0.17.6-2build1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/x86_64-linux-gnu/eckit/config/Configurable.h
/usr/include/x86_64-linux-gnu/eckit/config/Configuration.h
/usr/include/x86_64-linux-gnu/eckit/config/Configured.h
/usr/include/x86_64-linux-gnu/eckit/config/EtcTable.h
/usr/include/x86_64-linux-gnu/eckit/config/JSONConfiguration.h
/usr/include/x86_64-linux-gnu/eckit/config/LibEcKit.h
/usr/include/x86_64-linux-gnu/eckit/config/LocalConfiguration.h
/usr/include/x86_64-linux-gnu/eckit/config/Parametrisation.h
/usr/include/x86_64-linux-gnu/eckit/config/Resource.h
/usr/include/x86_64-linux-gnu/eckit/config/ResourceBase.h
/usr/include/x86_64-linux-gnu/eckit/config/ResourceMgr.h
/usr/include/x86_64-linux-gnu/eckit/config/YAMLConfiguration.h