gistfile1.txt

 nix-build default.nix -A hhp.haskellPackagesJS
copying path '/nix/store/0097nycick9376dxqwfy8pcz90i76n7x-cabal-install-3.2.0.0' from 'https://cache.nixos.org'...
building '/nix/store/wfamdmyc9vhg0kc4zh27whmijhami7pg-configured-ghcjs-src.drv'...
sed: can't read ghc/configure.ac: No such file or directory
builder for '/nix/store/wfamdmyc9vhg0kc4zh27whmijhami7pg-configured-ghcjs-src.drv' failed with exit code 2
error: build of '/nix/store/wfamdmyc9vhg0kc4zh27whmijhami7pg-configured-ghcjs-src.drv' failed
(use '--show-trace' to show detailed location information)


Nix expression is:

    ghcjs = pkgs.haskell-nix.ghcjsProject {
      src = hhpSrc;
      subdir = "hhp";
    };