=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Building for knock-0.5nb2
gcc -Wno-error -march=i586 -I/usr/pkg/include -Wno-error -march=i586 -I/usr/pkg/include -g -Wall -pedantic -fno-exceptions -D_GNU_SOURCE -I. -o src/knockd.o -c src/knockd.c
src/knockd.c:39:30: error: netinet/in_systm.h: no such file or directory
src/knockd.c:40:30: error: netinet/if_ether.h: no such file or directory
src/knockd.c:41:24: error: netinet/ip.h: no such file or directory
src/knockd.c:43:25: error: netinet/udp.h: no such file or directory
src/knockd.c:44:29: error: netinet/ip_icmp.h: no such file or directory
src/knockd.c: In function 'get_ip':
src/knockd.c:1065: error: storage size of 'ifr' isn't known
src/knockd.c:1083: error: 'SIOCGIFADDR' undeclared (first use in this function)
src/knockd.c:1083: error: (Each undeclared identifier is reported only once
src/knockd.c:1083: error: for each function it appears in.)
src/knockd.c:1065: warning: unused variable 'ifr'
src/knockd.c: In function 'sniff':
src/knockd.c:1196: error: dereferencing pointer to incomplete type
src/knockd.c:1196: error: 'ETHERTYPE_IP' undeclared (first use in this function)
src/knockd.c:1199: error: invalid application of 'sizeof' to incomplete type 'struct ether_header' 
src/knockd.c:1206: error: dereferencing pointer to incomplete type
src/knockd.c:1211: error: dereferencing pointer to incomplete type
src/knockd.c:1223: error: dereferencing pointer to incomplete type
src/knockd.c:1229: error: dereferencing pointer to incomplete type
src/knockd.c:1231: error: dereferencing pointer to incomplete type
src/knockd.c:1235: error: dereferencing pointer to incomplete type
src/knockd.c:1237: error: dereferencing pointer to incomplete type
src/knockd.c:1238: error: dereferencing pointer to incomplete type
src/knockd.c:1239: error: dereferencing pointer to incomplete type
src/knockd.c:1250: error: dereferencing pointer to incomplete type
src/knockd.c:1253: error: dereferencing pointer to incomplete type
src/knockd.c:1313: error: dereferencing pointer to incomplete type
src/knockd.c:1375: error: dereferencing pointer to incomplete type
src/knockd.c:1467: error: dereferencing pointer to incomplete type
src/knockd.c:1494: error: dereferencing pointer to incomplete type
src/knockd.c:1506: error: dereferencing pointer to incomplete type
gmake: *** [src/knockd.o] Error 1
*** Error code 2

Stop.
bmake: stopped in /usr/pkgsrc/net/knock
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/net/knock