[HOOK - conan-center.py] pre_export(): WARN: [HEADER_ONLY, NO COPY SOURCE (KB-H005)] This recipe is a header only library as it does not declare 'settings'. Please include 'no_copy_source' to avoid unnecessary copy steps
poppler-data/0.4.9: WARN: compiler setting should be defined.
poppler-data/0.4.9: WARN: build_type setting should be defined.
poppler-data/0.4.9: WARN: compiler setting should be defined.
poppler-data/0.4.9: WARN: compiler setting should be defined.
poppler-data/0.4.9 (test package): WARN: This conanfile has no build step