===> Building for bsdinstall-20130905
cc -O2 -march=i586  -Werror  -D_PATH_DEVNULL=\"/dev/null\" -DTARGET_STRIP=\"/usr/bin/strip\" -DHAVE_NBCOMPAT_H=1 -I/usr/pkgsrc/work/sysutils/bsdinstall/work/libnbcompat -c bsdinstall.c
cc -O2 -march=i586  -Werror  -D_PATH_DEVNULL=\"/dev/null\" -DTARGET_STRIP=\"/usr/bin/strip\" -DHAVE_NBCOMPAT_H=1 -I/usr/pkgsrc/work/sysutils/bsdinstall/work/libnbcompat -c setmode.c
cc -L/usr/pkgsrc/work/sysutils/bsdinstall/work/libnbcompat -Wl,-R/usr/pkg/lib    -o bsdinstall bsdinstall.o setmode.o  -lnbcompat
bsdinstall.o: In function `copy':
bsdinstall.c:(.text+0x1665): undefined reference to `madvise'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/work/sysutils/bsdinstall/work/bsdinstall-20130905
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/sysutils/bsdinstall
*** Error code 1

Stop.
bmake: stopped in /usr/pkgsrc/sysutils/bsdinstall