anchor.diff:  
   , channel
   }:
  +
  +# FIXME: Need to add llhttp dependency, currently using the vendored
  +#        http_parser/llhttp sources for >=11.
   
   let
     inherit (lib)
  
positive.code: 
    configureFlags = optionals (versionAtLeast source.version "7.0.0") [
      "--ninja"
    ] ++ [
      "--shared-http-parser"
      "--shared-libuv"
    ] ++ optionals (versionAtLeast source.version "8.0.0") [
      "--shared-nghttp2"
  
negative.code: 
    buildInputs = [
      c-ares
    ] ++ optionals (!(versionAtLeast source.version "11.0.0")) [
      http-parser
    ] ++ [
      icu
      libuv
    ] ++ optionals (versionAtLeast source.version "8.0.0") [
  