optipng: use system libpng & zlib, fix cross builds and add support for static builds

2014-04-01 01:43:56 +02:00
parent 4eefc983a2
commit c3524a8dd6
3 changed files with 26 additions and 2 deletions
@@ -21,6 +21,8 @@ stdenv.mkDerivation rec {
    passthru = {};
  };

+  configureFlags = "--enable-static";
+
  meta = {
    description = "The official reference implementation for the PNG file format";
    homepage = http://www.libpng.org/pub/png/libpng.html;