{ callPackage, fetchurl, ... } @ args: callPackage ./generic.nix (args // rec { version = "${branch}.0.1"; branch = "2"; src = fetchurl { url = "mirror://sourceforge/openjpeg.mirror/openjpeg-${version}.tar.gz"; sha256 = "1c2xc3nl2mg511b63rk7hrckmy14681p1m44mzw3n1fyqnjm0b0z"; }; })