{ postscriptSupport ? true , pdfSupport ? true , pngSupport ? true , stdenv, fetchurl, pkgconfig, x11, fontconfig, freetype , zlib, libpng }: assert postscriptSupport -> zlib != null; assert pngSupport -> libpng != null; stdenv.mkDerivation { name = "cairo-1.4.6"; src = fetchurl { url = http://cairographics.org/releases/cairo-1.4.6.tar.gz; sha256 = "15l87pzmlwbxk6m4102g2zln4drq0l32qs60ccs5bpmcnky2lqya"; }; buildInputs = [ pkgconfig x11 fontconfig freetype (if pngSupport then libpng else null) ]; propagatedBuildInputs = [ (if postscriptSupport then zlib else null) (if pngSupport then libpng else null) ]; configureFlags = (if pdfSupport then ["--enable-pdf"] else []); }