{ stdenv, fetchurl, zlib }: assert stdenv.hostPlatform == stdenv.buildPlatform -> zlib != null; stdenv.mkDerivation rec { name = "libpng-1.2.59"; src = fetchurl { url = "mirror://sourceforge/libpng/${name}.tar.xz"; sha256 = "1izw9ybm27llk8531w6h4jp4rk2rxy2s9vil16nwik5dp0amyqxl"; }; outputs = [ "out" "dev" "man" ]; propagatedBuildInputs = [ zlib ]; passthru = { inherit zlib; }; configureFlags = [ "--enable-static" ]; postInstall = ''mv "$out/bin" "$dev/bin"''; meta = with stdenv.lib; { description = "The official reference implementation for the PNG file format"; homepage = http://www.libpng.org/pub/png/libpng.html; license = licenses.libpng; maintainers = [ ]; branch = "1.2"; platforms = platforms.unix; }; }