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/applications/science/math/msieve/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchurl, zlib, gmp, ecm }:
+
+stdenv.mkDerivation rec {
+  pname = "msieve";
+  version = "1.53";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/msieve/msieve/Msieve%20v${version}/msieve${lib.replaceStrings ["."] [""] version}_src.tar.gz";
+    sha256 = "1d1vv7j4rh3nnxsmvafi73qy7lw7n3akjlm5pjl3m936yapvmz65";
+  };
+
+  buildInputs = [ zlib gmp ecm ];
+
+  ECM = if ecm == null then "0" else "1";
+
+  # Doesn't hurt Linux but lets clang-based platforms like Darwin work fine too
+  makeFlags = [ "CC=${stdenv.cc.targetPrefix}cc" "all" ];
+
+  installPhase = ''
+    mkdir -p $out/bin/
+    cp msieve $out/bin/
+  '';
+
+  meta = {
+    description = "A C library implementing a suite of algorithms to factor large integers";
+    license = lib.licenses.publicDomain;
+    homepage = "http://msieve.sourceforge.net/";
+    maintainers = [ lib.maintainers.roconnor ];
+    platforms = [ "x86_64-linux" ] ++ lib.platforms.darwin;
+  };
+}