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	<s> ID EID AID
      |             ^~
grammar.y:381.16-18: warning: POSIX yacc reserves %type to nonterminals [-Wyacc]
  381 | %type	<s> ID EID AID
      |                ^~~
grammar.y:381.20-22: warning: POSIX yacc reserves %type to nonterminals [-Wyacc]
  381 | %type	<s> ID EID AID
      |                    ^~~
grammar.y:382.13-15: warning: POSIX yacc reserves %type to nonterminals [-Wyacc]
  382 | %type	<s> HID HID6
      |             ^~~
grammar.y:382.17-20: warning: POSIX yacc reserves %type to nonterminals [-Wyacc]
  382 | %type	<s> HID HID6
      |                 ^~~~
grammar.y:383.13-15: warning: POSIX yacc reserves %type to nonterminals [-Wyacc]
  383 | %type	<h> NUM
      |             ^~~
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY


/home/conan/w/cci_PR-4077/1/cf4d3ab2-fc32-42b3-83b4-b739568c35ca/recipes/libpcap/all/test_package/list_network.c: In function ‘main’:
/home/conan/w/cci_PR-4077/1/cf4d3ab2-fc32-42b3-83b4-b739568c35ca/recipes/libpcap/all/test_package/list_network.c:13:5: warning: ‘pcap_lookupdev’ is deprecated: use 'pcap_findalldevs' and use the first device [-Wdeprecated-declarations]
     dev = pcap_lookupdev(errbuf);
     ^~~
In file included from /home/conan/w/cci_PR-4077/.conan/data/libpcap/1.10.0/_/_/package/cecfe4d67760fab4e0b2ad6755c1ebffb65b08e7/include/pcap.h:43:0,
                 from /home/conan/w/cci_PR-4077/1/cf4d3ab2-fc32-42b3-83b4-b739568c35ca/recipes/libpcap/all/test_package/list_network.c:3:
/home/conan/w/cci_PR-4077/.conan/data/libpcap/1.10.0/_/_/package/cecfe4d67760fab4e0b2ad6755c1ebffb65b08e7/include/pcap/pcap.h:394:16: note: declared here
 PCAP_API char *pcap_lookupdev(char *)
                ^~~~~~~~~~~~~~