configure: WARNING: Sufficiently new SELinux library not found configure: WARNING: Sufficiently new AppArmor library not found ../source_subfolder/dbus/dbus-auth.c: In function ‘_dbus_auth_get_identity’: ../source_subfolder/dbus/dbus-auth.c:2802:6: warning: this condition has identical branches [-Wduplicated-branches] if (auth->state == &common_state_authenticated) ^ ../source_subfolder/dbus/dbus-bus.c: In function ‘dbus_bus_get’: ../source_subfolder/dbus/dbus-bus.c:512:21: warning: potential null pointer dereference [-Wnull-dereference] bd->is_well_known = TRUE; ../source_subfolder/dbus/dbus-bus.c:512:21: warning: potential null pointer dereference [-Wnull-dereference] ../source_subfolder/dbus/dbus-bus.c:512:21: warning: potential null pointer dereference [-Wnull-dereference] ../source_subfolder/dbus/dbus-bus.c: In function ‘dbus_bus_get_private’: ../source_subfolder/dbus/dbus-bus.c:512:21: warning: potential null pointer dereference [-Wnull-dereference] bd->is_well_known = TRUE; ../source_subfolder/dbus/dbus-bus.c:512:21: warning: potential null pointer dereference [-Wnull-dereference] ../source_subfolder/dbus/dbus-bus.c:512:21: warning: potential null pointer dereference [-Wnull-dereference] ../source_subfolder/dbus/dbus-bus.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-cast-function-type’ ../source_subfolder/dbus/dbus-auth.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-cast-function-type’ ../source_subfolder/dbus/dbus-connection.c: In function ‘dbus_connection_remove_filter’: ../source_subfolder/dbus/dbus-connection.c:5665:13: warning: potential null pointer dereference [-Wnull-dereference] if (filter->free_user_data_function) ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ ../source_subfolder/dbus/dbus-connection.c:5665:13: warning: potential null pointer dereference [-Wnull-dereference] ../source_subfolder/dbus/dbus-connection.c:5665:13: warning: potential null pointer dereference [-Wnull-dereference] ../source_subfolder/dbus/dbus-connection.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-cast-function-type’ ../source_subfolder/dbus/dbus-marshal-recursive.c: In function ‘_dbus_type_reader_recurse’: ../source_subfolder/dbus/dbus-marshal-recursive.c:1036:4: warning: potential null pointer dereference [-Wnull-dereference] (* klass->recurse) (sub, reader); ~^~~~~~~~~~~~~~~~~ ../source_subfolder/dbus/dbus-marshal-recursive.c:1036:4: warning: potential null pointer dereference [-Wnull-dereference] ../source_subfolder/dbus/dbus-message.c: In function ‘_dbus_variant_get_signature’: ../source_subfolder/dbus/dbus-message.c:5400:17: warning: variable ‘len’ set but not used [-Wunused-but-set-variable] unsigned char len; ^~~ ../source_subfolder/dbus/dbus-marshal-recursive.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-cast-function-type’ ../source_subfolder/dbus/dbus-message.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-cast-function-type’ ../source_subfolder/dbus/dbus-object-tree.c: In function ‘_dbus_object_tree_unregister_and_unlock’: ../source_subfolder/dbus/dbus-object-tree.c:628:15: warning: variable ‘found_subtree’ set but not used [-Wunused-but-set-variable] dbus_bool_t found_subtree; ^~~~~~~~~~~~~ ../source_subfolder/dbus/dbus-object-tree.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-cast-function-type’ ../source_subfolder/dbus/dbus-sysdeps-unix.c: In function ‘_dbus_user_info_fill_uid’: ../source_subfolder/dbus/dbus-sysdeps-unix.c:2489:18: warning: argument 1 null where non-null expected [-Wnonnull] result = getpwnam_r (username_c, &p_str, buf, buflen, ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ &p); ~~~ In file included from ../source_subfolder/dbus/dbus-sysdeps-unix.c:50:0: /usr/include/pwd.h:150:12: note: in a call to function ‘getpwnam_r’ declared here extern int getpwnam_r (const char *__restrict __name, ^~~~~~~~~~ ../source_subfolder/dbus/dbus-sysdeps-unix.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-cast-function-type’ ../source_subfolder/bus/bus.c: In function ‘bus_context_check_security_policy’: ../source_subfolder/bus/bus.c:1704:15: warning: this condition has identical branches [-Wduplicated-branches] else if (sender == NULL) ^ ../source_subfolder/bus/bus.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-cast-function-type’ ../source_subfolder/bus/services.c: In function ‘bus_service_swap_owner’: ../source_subfolder/bus/services.c:1086:17: warning: potential null pointer dereference [-Wnull-dereference] new_owner = (BusOwner *)link->data; ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ ../source_subfolder/bus/services.c: In function ‘bus_service_remove_owner’: ../source_subfolder/bus/services.c:1151:18: warning: potential null pointer dereference [-Wnull-dereference] temp_owner = (BusOwner *)link->data; ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ ../source_subfolder/bus/services.c:1151:18: warning: potential null pointer dereference [-Wnull-dereference] ../source_subfolder/bus/services.c:1151:18: warning: potential null pointer dereference [-Wnull-dereference] ../source_subfolder/bus/services.c:1151:18: warning: potential null pointer dereference [-Wnull-dereference] ../source_subfolder/bus/services.c:1180:17: warning: potential null pointer dereference [-Wnull-dereference] new_owner = (BusOwner *)link->data; ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ ../source_subfolder/bus/services.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-cast-function-type’ ../source_subfolder/tools/dbus-launch.c: In function ‘main’: ../source_subfolder/tools/dbus-launch.c:844:13: warning: unused variable ‘error’ [-Wunused-variable] DBusError error = DBUS_ERROR_INIT; ^~~~~ ../source_subfolder/tools/dbus-launch.c: At top level: cc1: warning: unrecognized command line option ‘-Wno-cast-function-type’ CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY Usage: dbus-monitor [--system | --session | --address ADDRESS] [--monitor | --profile | --pcap | --binary ] [watch expressions] [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