anchor.diff:      homepage = http://www.gnu.org/software/libtool/;
   
       license = "GPLv2+";
  +
  +    maintainers = [ stdenv.lib.maintainers.ludo ];
     };
   }
  
positive.code: { stdenv, fetchurl, m4, perl, lzma }:
  
  stdenv.mkDerivation rec {
    name = "libtool-2.2.6a";
    
    src = fetchurl {
      url = "mirror://gnu/libtool/${name}.tar.lzma";
      sha256 = "12k3m7d0ngcwwahicncxbyd1155ij63ylr8372f0q8xbzq59c8hx";
    };
    
    buildInputs = [ lzma m4 perl ];
  
    unpackCmd = "lzma -d < $src | tar xv";
  
negative.code:   # Don't fixup "#! /bin/sh" in Libtool, otherwise it will use the
    # "fixed" path in generated files!
    dontPatchShebangs = true;
  
    doCheck = true;
  
    meta = {
      description = "GNU Libtool, a generic library support script";
  