anchor.diff: -{stdenv, fetchurl, libiconv, vanilla ? false }:
  +{ stdenv, fetchurl, libiconv, vanilla ? false }:
   
   with stdenv.lib;
   
   stdenv.mkDerivation rec {
  -  name = "pkg-config-0.29.2";
  +  pname = "pkg-config";
  +  version = "0.29.2";
   
     setupHook = ./setup-hook.sh;
   
     src = fetchurl {
  -    urls = [
  -      "https://pkgconfig.freedesktop.org/releases/${name}.tar.gz"
  -      "http://fossies.org/linux/misc/${name}.tar.gz"
  -    ];
  +    url = "https://pkgconfig.freedesktop.org/releases/${pname}-${version}.tar.gz";
       sha256 = "14fmwzki1rlz8bs2p810lk6jqdxsk966d8drgsjmi54cd00rrikg";
     };
  -    # Process Requires.private properly, see
  -    # http://bugs.freedesktop.org/show_bug.cgi?id=4738.
  +
  +  # Process Requires.private properly, see
  +  # http://bugs.freedesktop.org/show_bug.cgi?id=4738.
     patches = optional (!vanilla) ./requires-private.patch
       ++ optional stdenv.isCygwin ./2.36.3-not-win32.patch;
  +
  +  # These three tests fail due to a (desired) behavior change from our ./requires-private.patch
  +  postPatch = ''
  +    rm -f check/check-requires-private check/check-gtk check/missing
  +  '';
   
     buildInputs = optional (stdenv.isCygwin || stdenv.isDarwin || stdenv.isSunOS) libiconv;
   
  
positive.code:          "ac_cv_func_posix_getgrgid_r=yes"
         ];
  
    doCheck = false; # fails
  
    postInstall = ''rm -f "$out"/bin/*-pkg-config''; # clean the duplicate file
  
  
negative.code:     platforms = platforms.all;
      license = licenses.gpl2Plus;
    };
  }
  