ERROR: This package is only available for these platforms: NetBSD-*-i386 NetBSD-*-x86_64.
ERROR: This package has set PKG_SKIP_REASON:
ERROR: mklivecd-0.17 is not available for NetBSD-9.0-sparc
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/sysutils/mklivecd