=> Bootstrap dependency digest>=20010302: found digest-20190127
ERROR: This package is only available for these platforms: *-*-*arm* *-*-x86_64 *-*-i386.
ERROR: This package has set PKG_SKIP_REASON:
ERROR: libretro-ppsspp-1.7.5nb2 is not available for NetBSD-9.0-sparc64
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/emulators/libretro-ppsspp