ERROR: This package is broken on these platforms: *-*-alpha *-*-hppa *-*-mlrisc FreeBSD-*-sparc FreeBSD-*-powerpc Linux-*-sparc Linux-*-powerpc SunOS-*-i386 SunOS-*-powerpc.
ERROR: This package has set PKG_FAIL_REASON:
ERROR: smlnj-110.73nb3 is marked broken on NetBSD-9.0-alpha
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/lang/smlnj