pkgs/development/libraries/zlib/default.nix


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{stdenv, fetchurl, static ? false}:

stdenv.mkDerivation {
  name = "zlib-1.2.3";
  src = fetchurl {
    url = http://nix.cs.uu.nl/dist/tarballs/zlib-1.2.3.tar.gz;
    md5 = "debc62758716a169df9f62e6ab2bc634";
  };
  configureFlags = if static then "" else "--shared";

  # zlib doesn't like the automatic --disable-shared from the Cygwin stdenv.
  cygwinConfigureEnableShared = true;
}