Unable to make ngatmbase

[josh.gilby@xxxxxxxxxxx]

I'm trying to build ngatm on FreeBSD 5.0.  bsnmp installed fine, but 
ngatmbase fails.  The tail of the build is:

===> fatm
cc -O -pipe -mcpu=pentiumpro -I/root/ngatmbase-1.3/fatm 
-I/root/ngatmbase-1.3/fatm/../include -g -Wall -Wpointer-arith 
-Wmissing-declarations -Werror  -D_KERNEL -Wall -Wredundant-decls 
-Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith 
-Winline -Wcast-qual  -fformat-extensions -ansi -DKLD_MODULE -nostdinc -I-  
-I/root/ngatmbase-1.3/fatm -I/root/ngatmbase-1.3/fatm/../include -I. -I@ 
-I@/dev -I@/../include -fno-common  -mno-align-long-strings 
-mpreferred-stack-boundary=2 -ffreestanding -Wall -Wredundant-decls 
-Wnested-externs -Wstrict-prototypes  -Wmissing-prototypes -Wpointer-arith 
-Winline -Wcast-qual  -fformat-extensions -ansi -c 
/root/ngatmbase-1.3/fatm/if_fatm.c
cc1: warnings being treated as errors
/root/ngatmbase-1.3/fatm/if_fatm.c: In function `copy_mbuf':
/root/ngatmbase-1.3/fatm/if_fatm.c:1674: warning: implicit declaration of 
function `M_MOVE_PKTHDR'
*** Error code 1

Any ideas what I may have missed?  

Thanks,
Josh