CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CONAN_COMPILER
    CONAN_COMPILER_VERSION
    CONAN_CXX_FLAGS
    CONAN_C_FLAGS
    CONAN_EXPORTED
    CONAN_IN_LOCAL_CACHE
    CONAN_LIBCXX
    CONAN_SHARED_LINKER_FLAGS
    OPENSSL_SEARCH_PATH


[HOOK - conan-center.py] pre_export(): WARN: [FPIC OPTION (KB-H006)] This recipe does not include an 'fPIC' option. Make sure you are using the right casing
[HOOK - conan-center.py] post_package(): ERROR: [PC-FILES (KB-H020)] The conan-center repository doesn't allow the packages to contain `pc` files. The packages have to be located using generators and the declared `cpp_info` information (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H020) 
[HOOK - conan-center.py] post_package(): ERROR: [PC-FILES (KB-H020)] Found files: ./lib/pkgconfig/libmosquitto.pc; ./lib/pkgconfig/libmosquittopp.pc (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H020) 
ERROR: [HOOK - conan-center.py] post_package(): Some checks failed running the hook, check the output