nixpkgs/pkgs/applications/misc/xpdf/default.nix

{ enableGUI ? true, enablePDFtoPPM ? true, useT1Lib ? true
, stdenv, fetchurl, x11 ? null, motif ? null, freetype ? null, t1lib ? null
}:

assert enableGUI -> x11 != null && motif != null && freetype != null;
assert enablePDFtoPPM -> freetype != null;
assert useT1Lib -> t1lib != null;

stdenv.mkDerivation {
  name = "xpdf-3.02";

  src = fetchurl {
    url = ftp://ftp.foolabs.com/pub/xpdf/xpdf-3.02.tar.gz;
    sha256 = "000zq4ddbwyxiki4vdwpmxbnw5n9hsg9hvwra2p33hslyib7sfmk";
  };
  
  buildInputs =
    (if enableGUI then [x11 motif] else []) ++
    (if useT1Lib then [t1lib] else []);
    
  configureFlags =
    [ "--enable-a4-paper" ] /* We obey ISO standards! */
    ++ (if enablePDFtoPPM then [
      "--with-freetype2-library=${freetype}/lib"
      "--with-freetype2-includes=${freetype}/include/freetype2"
    ] else []);
}