{lib, stdenv, fetchurl, unzip}: stdenv.mkDerivation { name = "amrnb-11.0.0.0"; srcAmr = fetchurl { url = "http://www.3gpp.org/ftp/Specs/latest/Rel-11/26_series/26104-b00.zip"; sha256 = "1wf8ih0hk7w20vdlnw7jb7w73v15hbxgbvmq4wq7h2ghn0j8ppr3"; }; src = fetchurl { url = "http://www.penguin.cz/~utx/ftp/amr/amrnb-11.0.0.0.tar.bz2"; sha256 = "1qgiw02n2a6r32pimnd97v2jkvnw449xrqmaxiivjy2jcr5h141q"; }; nativeBuildInputs = [ unzip ]; configureFlags = [ "--cache-file=config.cache" "--with-downloader=true" ]; postConfigure = '' cp $srcAmr 26104-b00.zip ''; meta = { homepage = "http://www.penguin.cz/~utx/amr"; description = "AMR Narrow-Band Codec"; # The wrapper code is free, but not the libraries from 3gpp. # It's a source code reference implementation with patents and licenses on # some countries, not redistributable. license = lib.licenses.unfree; }; }