Warning: doxygen not found, the 'doc' target will not be included
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


json-c/0.15: WARN: Library 'json-c' was either already found in a previous 'conanfile.cpp_info.libdirs' folder or appears several times with a different file extension