anchor.diff:      url = "https://download.savannah.gnu.org/releases/m17n/m17n-lib-${version}.tar.gz";
       sha256 = "0jp61y09xqj10mclpip48qlfhniw8gwy8b28cbzxy8hq8pkwmfkq";
     };
  +
  +  patches = [
  +    (fetchpatch {
  +      # Patch pending upstream inclusion:
  +      #   https://savannah.nongnu.org/bugs/index.php?61377
  +      name = "parallel-build.patch";
  +      url = "https://savannah.nongnu.org/bugs/download.php?file_id=53704";
  +      hash = "sha256-1smKSIFVRJZSwCv0NiUsnndxKcPnJ/wqzH8+ka6nfNM=";
  +      excludes = [ "src/ChangeLog" ];
  +    })
  +  ];
   
     strictDeps = true;
   
  
positive.code:     m17n_db
    ];
  
    # Fails parallel build due to missing intra-package depends:
    #   https://savannah.nongnu.org/bugs/index.php?61377
    #     make[2]: *** No rule to make target '../src/libm17n-core.la', needed by 'libm17n.la'.  Stop.
    enableParallelBuilding = false;
  
    meta = {
      homepage = "https://www.nongnu.org/m17n/";
  
negative.code: { lib, stdenv, fetchurl, fetchpatch, m17n_db, autoreconfHook, pkg-config }:
  stdenv.mkDerivation rec {
    pname = "m17n-lib";
    version = "1.8.0";
  