configure: WARNING: you should use --build, --host, --target configure: WARNING: unrecognized options: --disable-packet-ring configure: WARNING: unrecognized options: --disable-packet-ring source_subfolder/pcap-linux.c: In function 'pcap_breakloop_linux': source_subfolder/pcap-linux.c:934:2: warning: ignoring return value of 'write', declared with attribute warn_unused_result [-Wunused-result] (void)write(handlep->poll_breakloop_fd, &value, sizeof(value)); ^ grammar.y:4.1-7: warning: POSIX Yacc does not support %define [-Wyacc] 4 | %define api.pure | ^~~~~~~ grammar.y:40.1-7: warning: POSIX Yacc does not support %expect [-Wyacc] 40 | %expect 38 | ^~~~~~~ grammar.y:381.13-14: warning: POSIX yacc reserves %type to nonterminals [-Wyacc] 381 | %type ID EID AID | ^~ grammar.y:381.16-18: warning: POSIX yacc reserves %type to nonterminals [-Wyacc] 381 | %type ID EID AID | ^~~ grammar.y:381.20-22: warning: POSIX yacc reserves %type to nonterminals [-Wyacc] 381 | %type ID EID AID | ^~~ grammar.y:382.13-15: warning: POSIX yacc reserves %type to nonterminals [-Wyacc] 382 | %type HID HID6 | ^~~ grammar.y:382.17-20: warning: POSIX yacc reserves %type to nonterminals [-Wyacc] 382 | %type HID HID6 | ^~~~ grammar.y:383.13-15: warning: POSIX yacc reserves %type to nonterminals [-Wyacc] 383 | %type NUM | ^~~ CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY /home/conan/w/cci_PR-4077/1/f6816b2b-4f8f-4fc4-b1f9-49cf5cfda33d/recipes/libpcap/all/test_package/list_network.c: In function 'main': /home/conan/w/cci_PR-4077/1/f6816b2b-4f8f-4fc4-b1f9-49cf5cfda33d/recipes/libpcap/all/test_package/list_network.c:13:5: warning: 'pcap_lookupdev' is deprecated (declared at /home/conan/w/cci_PR-4077/.conan/data/libpcap/1.10.0/_/_/package/f3f1dc3ec8f0484145dcad2d4deec1ceb60d4e1f/include/pcap/pcap.h:394): use 'pcap_findalldevs' and use the first device [-Wdeprecated-declarations] dev = pcap_lookupdev(errbuf); ^