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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_DATAROOTDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
    CMAKE_INSTALL_LIBEXECDIR
    CMAKE_INSTALL_OLDINCLUDEDIR
    CMAKE_INSTALL_SBINDIR


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

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


In file included from /home/conan/w/cci_PR-4363/4/d838853e-742c-4eb2-bb9b-7caff63e3d95/recipes/keychain/all/test_package/test_package.cpp:1:
/home/conan/w/cci_PR-4363/.conan/data/keychain/1.2.0/_/_/package/2b74cff7c1646237012f30a2be02fbef1ea0eb3d/include/keychain/keychain.h:87:6: warning: scoped enumerations are a C++11 extension [-Wc++11-extensions]
enum class ErrorType {
     ^
/home/conan/w/cci_PR-4363/.conan/data/keychain/1.2.0/_/_/package/2b74cff7c1646237012f30a2be02fbef1ea0eb3d/include/keychain/keychain.h:103:20: warning: use of enumeration in a nested name specifier is a C++11 extension [-Wc++11-extensions]
    Error() : type(ErrorType::NoError) {}
                   ^
/home/conan/w/cci_PR-4363/.conan/data/keychain/1.2.0/_/_/package/2b74cff7c1646237012f30a2be02fbef1ea0eb3d/include/keychain/keychain.h:126:36: warning: use of enumeration in a nested name specifier is a C++11 extension [-Wc++11-extensions]
    operator bool() const { return ErrorType::NoError != type; }
                                   ^
/home/conan/w/cci_PR-4363/4/d838853e-742c-4eb2-bb9b-7caff63e3d95/recipes/keychain/all/test_package/test_package.cpp:8:26: warning: use of enumeration in a nested name specifier is a C++11 extension [-Wc++11-extensions]
    return error.type == ErrorType::NoError ? 0 : 1;
                         ^
4 warnings generated.