libffi-3.3nb4: registering info file /usr/pkg/info/libffi.info
gmp-6.2.1: registering info file /usr/pkg/info/gmp.info
Reading package info from "/usr/pkg/lib/safe-0.3.19/ghc-8.8.4/package-description" ... done.
Reading package info from "/usr/pkg/lib/fail-4.9.0.0/ghc-8.8.4/package-description" ... done.
fail-4.9.0.0: Warning: haddock-interfaces: /usr/pkg/share/doc/x86_64-netbsd-ghc-8.8.4/fail-4.9.0.0/html/fail.haddock doesn't exist or isn't a file
fail-4.9.0.0: Warning: haddock-html: /usr/pkg/share/doc/x86_64-netbsd-ghc-8.8.4/fail-4.9.0.0/html doesn't exist or isn't a directory
Reading package info from "/usr/pkg/lib/th-abstraction-0.4.2.0/ghc-8.8.4/package-description" ... done.
Reading package info from "/usr/pkg/lib/generic-deriving-1.14/ghc-8.8.4/package-description" ... done.
Reading package info from "/usr/pkg/lib/transformers-compat-0.6.6/ghc-8.8.4/package-description" ... done.
pkg_add: package `ghc-8.8.4nb4' was already installed as dependency, now marked as installed manually