It's exactly the same issue as in the parent commit. /cc #60250 (2fe63c8).
2fe63c8
Lots of packages are missing versions in their name. This adds them where appropriate. These were found with this command: $ nix-env -qa -f. | grep -v '\-[0-9A-Za-z.-_+]*$' | grep -v '^hook$' See issue #41007.
pkgconfig
autoreconfHook
buildInputs
Only acts on one-line dependency lists.