=> Bootstrap dependency digest>=20010302: found digest-20111104
WARNING: [bsd.prefs.mk] The package aperture-2.0nb7 is missing DESTDIR support.
WARNING: [license.mk] Every package should define a LICENSE.
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
=> Checksum SHA1 OK for aperture-2.0nb5/apNetBSD.shar
=> Checksum RMD160 OK for aperture-2.0nb5/apNetBSD.shar
===> Installing dependencies for aperture-2.0nb7
=> Build dependency checkperms>=1.1: found checkperms-1.11
=> Full dependency osabi-NetBSD-6.0_BETA: found osabi-NetBSD-6.0_BETA
===> Overriding tools for aperture-2.0nb7
===> Extracting for aperture-2.0nb7
Need a kernel source tree in /usr/src/sys.
(Or set BSDSRCDIR correctly in /etc/mk.conf.)
*** Error code 1

Stop.
make: stopped in /pkgsrc/sysutils/aperture
*** Error code 1

Stop.
make: stopped in /pkgsrc/sysutils/aperture