uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/libraries/libsamplerate/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchurl, pkg-config, libsndfile, ApplicationServices, Carbon, CoreServices }:
+
+let
+  inherit (lib) optionals optionalString;
+
+in stdenv.mkDerivation rec {
+  pname = "libsamplerate";
+  version = "0.1.9";
+
+  src = fetchurl {
+    url = "http://www.mega-nerd.com/SRC/${pname}-${version}.tar.gz";
+    sha256 = "1ha46i0nbibq0pl0pjwcqiyny4hj8lp1bnl4dpxm64zjw9lb2zha";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ libsndfile ]
+    ++ optionals stdenv.isDarwin [ ApplicationServices CoreServices ];
+
+  configureFlags = [ "--disable-fftw" ];
+
+  outputs = [ "bin" "dev" "out" ];
+
+  postConfigure = optionalString stdenv.isDarwin ''
+    # need headers from the Carbon.framework in /System/Library/Frameworks to
+    # compile this on darwin -- not sure how to handle
+    NIX_CFLAGS_COMPILE+=" -I${Carbon}/Library/Frameworks/Carbon.framework/Headers"
+
+    substituteInPlace examples/Makefile --replace "-fpascal-strings" ""
+  '';
+
+  meta = with lib; {
+    description = "Sample Rate Converter for audio";
+    homepage    = "http://www.mega-nerd.com/SRC/index.html";
+    license     = licenses.bsd2;
+    maintainers = with maintainers; [ lovek323 ];
+    platforms   = platforms.all;
+  };
+}