WARNING: [license.mk] Every package should define a LICENSE.
===> Skipping vulnerability checks.
WARNING: No /opt/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/opt/pkg/sbin/pkg_admin -K /opt/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for mtscan-20050129nb1
cd /opt/work/sysutils/mtscan/work/mtscan-20050129 && clang -O2  -DMTIO   -o mtscan mtscan.c	    -L/usr/lib -L/opt/pkg/lib -lcurses
mtscan.c:19:10: fatal error: 'sys/mtio.h' file not found
#include <sys/mtio.h>
         ^~~~~~~~~~~~
1 error generated.
*** Error code 1

Stop.
bmake[1]: stopped in /opt/pkgsrc/sysutils/mtscan
*** Error code 1

Stop.
bmake: stopped in /opt/pkgsrc/sysutils/mtscan