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_LIBEXECDIR CMAKE_INSTALL_OLDINCLUDEDIR CMAKE_INSTALL_SBINDIR CONAN_COMPILER CONAN_COMPILER_VERSION CONAN_CXX_FLAGS CONAN_C_FLAGS CONAN_EXPORTED CONAN_IN_LOCAL_CACHE CONAN_SHARED_LINKER_FLAGS 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 CONAN_COMPILER CONAN_COMPILER_VERSION CONAN_CXX_FLAGS CONAN_C_FLAGS CONAN_EXPORTED CONAN_IN_LOCAL_CACHE CONAN_LIBCXX CONAN_SHARED_LINKER_FLAGS /usr/bin/ld: cannot find -lmaxminddb collect2: error: ld returned 1 exit status make[2]: *** [example] Error 1 make[1]: *** [CMakeFiles/example.dir/all] Error 2 make: *** [all] Error 2 ERROR: libmaxminddb/1.5.2 (test package): Error in build() method, line 13 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-4666/1/0113e2d7-38e7-4e0c-bd10-bd09424d0a2b/recipes/libmaxminddb/all/test_package/build/a48bede8da15d57c1b0cf51ab40c6539379de0da' '--' '-j3'