=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Building for modcap-0.0.5nb1
cd /usr/pkgsrc/work/net/modpcap/work && gcc -I/usr/pkg/include modcap.c -lm -lpcap -o modcap
modcap.c:81:21: error: pthread.h: no such file or directory
*** Error code 1

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

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