[1/2] Compiling C++ object simplomon.p/netmon.cc.o
FAILED: simplomon.p/netmon.cc.o
ccache c++ -Isimplomon.p -I. -I.. -Isubprojects/cpp-httplib-0.13.1 -I../subprojects/cpp-httplib-0.13.1 -Isubprojects/simplesockets -I../subprojects/simplesockets -I/usr/local/include -I/usr/local/include/lua53 -fdiagnostics-color=always -D_FILE_OFFSET_BITS=64 -Wall -Winvalid-pch -std=c++20 -O0 -g -pthread -DCPPHTTPLIB_OPENSSL_SUPPORT -DCPPHTTPLIB_ZLIB_SUPPORT -DCPPHTTPLIB_BROTLI_SUPPORT -MD -MQ simplomon.p/netmon.cc.o -MF simplomon.p/netmon.cc.o.d -o simplomon.p/netmon.cc.o -c ../netmon.cc
In file included from ../netmon.cc:6:
In file included from ../simplomon.hh:6:
In file included from ../notifiers.hh:3:
../sol/sol.hpp:14541:32: warning: unknown warning group '-Wmaybe-uninitialized', ignored [-Wunknown-warning-option]
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
^
../sol/sol.hpp:17294:32: warning: unknown warning group '-Wmaybe-uninitialized', ignored [-Wunknown-warning-option]
#pragma GCC diagnostic ignored "-Wmaybe-uninitialized"
^
In file included from ../netmon.cc:10:
/usr/include/netinet/ip_icmp.h:110:14: error: field has incomplete type 'struct ip'
struct ip idi_ip;
^
/usr/include/netinet/ip_icmp.h:110:11: note: forward declaration of 'ip'
struct ip idi_ip;
^
../netmon.cc:220:11: error: no member named 'type' in 'icmphdr'
p.hdr.type = ICMP_ECHO;
~~~~~ ^
../netmon.cc:221:11: error: no member named 'un' in 'icmphdr'
p.hdr.un.echo.id = id;
~~~~~ ^
../netmon.cc:222:11: error: no member named 'un' in 'icmphdr'
p.hdr.un.echo.sequence = seq;
~~~~~ ^
../netmon.cc:229:11: error: no member named 'checksum' in 'icmphdr'
p.hdr.checksum = 0;
~~~~~ ^
../netmon.cc:230:11: error: no member named 'checksum' in 'icmphdr'
p.hdr.checksum = internetchecksum(&p, sizeof(p));
~~~~~ ^
../netmon.cc:251:73: error: member access into incomplete type 'struct iphdr'
struct icmphdr* icmp = (struct icmphdr*) ((char*)packet.c_str() + ip->ihl*4);
^
../netmon.cc:250:12: note: forward declaration of 'iphdr'
struct iphdr *ip = (iphdr*)packet.c_str();
^
../netmon.cc:253:16: error: no member named 'un' in 'icmphdr'
id = icmp->un.echo.id;
~~~~ ^
../netmon.cc:254:17: error: no member named 'un' in 'icmphdr'
seq = icmp->un.echo.sequence;
~~~~ ^
../netmon.cc:256:31: error: member access into incomplete type 'struct iphdr'
payload = packet.substr(ip->ihl*4 + sizeof(icmp));
^
../netmon.cc:250:12: note: forward declaration of 'iphdr'
struct iphdr *ip = (iphdr*)packet.c_str();
^
2 warnings and 10 errors generated.
ninja: build stopped: subcommand failed.
Compilation fails on FreeBSD in netmon.cc