=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Installing for gnuchess-book-medium-20000511nb4
=> Generating pre-install file lists
=> Creating installation directories
/usr/bin/install -c -o pbulk -g users -m 644 /tmp/pkgbuild/games/gnuchess-book-medium/work.alpha/book.dat /tmp/pkgbuild/games/gnuchess-book-medium/work.alpha/.destdir/usr/pkg/lib/gnuchess
install: /tmp/pkgbuild/games/gnuchess-book-medium/work.alpha/book.dat: stat: No such file or directory
*** Error code 1

Stop.
make[1]: stopped in /usr/pkgsrc/games/gnuchess-book-medium
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/games/gnuchess-book-medium