=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Building for vpnc-0.5.3nb14
LC_ALL=C perl -w ./enum2debug.pl isakmp.h >vpnc-debug.c 2>vpnc-debug.h
gcc -MM sysdep.c vpnc-debug.c isakmp-pkt.c tunip.c config.c dh.c math_group.c supp.c decrypt-utils.c vpnc.c cisco-decrypt.c -O2 -march=i586 -I/usr/pkg/include -I/usr/include -W -Wall -Wmissing-declarations -Wwrite-strings -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -DVERSION=\"0.5.3\"  > .depend
sysdep.c:68:10: fatal error: 'net/if_tun.h' file not found
#include <net/if_tun.h>
         ^
1 error generated.
gcc -O2 -march=i586 -I/usr/pkg/include -I/usr/include -W -Wall -Wmissing-declarations -Wwrite-strings -I/usr/pkg/include -I/usr/pkg/include -I/usr/include -DVERSION=\"0.5.3\"   -c -o sysdep.o sysdep.c
sysdep.c:68:10: fatal error: 'net/if_tun.h' file not found
#include <net/if_tun.h>
         ^
1 error generated.
<builtin>: recipe for target 'sysdep.o' failed
gmake: *** [sysdep.o] Error 1
*** Error code 2

Stop.
bmake[1]: stopped in /usr/pkgsrc/net/vpnc
*** Error code 1

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