ERROR: This package is broken on these platforms: *-*-aarch64 *-*-aarch64eb *-*-alpha *-*-ia64  *-*-powerpc64 *-*-riscv64 *-*-sparc64 *-*-x86_64.
ERROR: This package has set PKG_FAIL_REASON:
ERROR: gentle-97nb4 is marked broken on NetBSD-9.0-alpha
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/devel/gentle