Errors building vortex port

[C. L. Martinez]

Hi all,

 I am trying to build vortex port using poudriere in a FreeBSD 9.1
amd64 host, but it fails:

===============================================================================
===>   Returning to build of vortex-2.9.0.59
===>   vortex-2.9.0.59 depends on file: /usr/local/bin/libnet11-config
- not found
===>    Verifying install for /usr/local/bin/libnet11-config in
/usr/ports/net/libnet
===>   Installing existing package
/usr/ports/packages/All/libnet11-1.1.6_1,1.txz
Installing libnet11-1.1.6_1,1... done
===>   Returning to build of vortex-2.9.0.59
===>   vortex-2.9.0.59 depends on shared library: glib-2.0 - found
===>   vortex-2.9.0.59 depends on shared library: pcre - found
=======================================================================
===>  Cleaning for vortex-2.9.0.59
=======================<phase: check-config >==========================
=======================================================================
=======================<phase: fetch        >==========================
===>  License GPLv2 accepted by the user
===>   vortex-2.9.0.59 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by vortex-2.9.0.59 for building
=======================================================================
=======================<phase: checksum     >==========================
===>  License GPLv2 accepted by the user
===>   vortex-2.9.0.59 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by vortex-2.9.0.59 for building
=> SHA256 Checksum OK for vortex-2.9.0-59.tgz.
=======================================================================
=======================<phase: extract      >==========================
===>  License GPLv2 accepted by the user
===>   vortex-2.9.0.59 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by vortex-2.9.0.59 for building
===>  Extracting for vortex-2.9.0.59
=> SHA256 Checksum OK for vortex-2.9.0-59.tgz.
=======================================================================
=======================<phase: patch        >==========================
===>  Patching for vortex-2.9.0.59
===>  Applying FreeBSD patches for vortex-2.9.0.59
=======================================================================
=======================<phase: configure    >==========================
===>   vortex-2.9.0.59 depends on file: /usr/local/lib/libnids.a - found
===>   vortex-2.9.0.59 depends on file: /usr/local/bin/libnet11-config - found
===>   vortex-2.9.0.59 depends on shared library: glib-2.0 - found
===>   vortex-2.9.0.59 depends on shared library: pcre - found
===>  Configuring for vortex-2.9.0.59
=======================================================================
=======================<phase: build        >==========================
===>  Building for vortex-2.9.0.59
cd /wrkdirs/usr/ports/net/vortex/work/vortex-2.9.0 && cc -c vortex.c
-I/usr/local/include
cd /wrkdirs/usr/ports/net/vortex/work/vortex-2.9.0 && cc -o vortex
vortex.o -L/usr/local/lib /usr/local/lib/libnids.a
`/usr/local/bin/libnet11-config --libs` -lgthread-2.0 -lpcap
/usr/local/lib/libnids.a(killtcp.o): In function `raw_init':
killtcp.c:(.text+0xa): undefined reference to `libnet_open_raw_sock'
/usr/local/lib/libnids.a(killtcp.o): In function `nids_killtcp_seq':
killtcp.c:(.text+0xc7): undefined reference to `libnet_build_ip'
killtcp.c:(.text+0x14d): undefined reference to `libnet_write_ip'
killtcp.c:(.text+0x18f): undefined reference to `libnet_build_ip'
killtcp.c:(.text+0x20f): undefined reference to `libnet_write_ip'
*** [do-build] Error code 1

Stop in /usr/ports/net/vortex.
===>  Cleaning for vortex-2.9.0.59
build of /usr/ports/net/vortex ended at Thu May 16 14:28:07 UTC 2013

How can I fix this??