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/web/kore/default.nix

@@ -0,0 +1,43 @@
+{ lib, stdenv, fetchFromGitHub, openssl, curl, postgresql, yajl }:
+
+stdenv.mkDerivation rec {
+  pname = "kore";
+  version = "4.2.1";
+
+  src = fetchFromGitHub {
+    owner = "jorisvink";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-MC4PCjRuAqWuGvNDsZXKohb4HdSWMV0Oc0pZ0rnhG7Y=";
+  };
+
+  buildInputs = [ openssl curl postgresql yajl ];
+
+  makeFlags = [
+    "PREFIX=${placeholder "out"}"
+    "ACME=1"
+    "CURL=1"
+    "TASKS=1"
+    "PGSQL=1"
+    "JSONRPC=1"
+    "DEBUG=1"
+  ];
+
+  preBuild = ''
+    make platform.h
+  '';
+
+  # added to fix build w/gcc7 and clang5
+  NIX_CFLAGS_COMPILE = lib.optionalString stdenv.cc.isGNU "-Wno-error=pointer-compare"
+    + lib.optionalString stdenv.cc.isClang " -Wno-error=unknown-warning-option";
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "An easy to use web application framework for C";
+    homepage = "https://kore.io";
+    license = licenses.isc;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ johnmh ];
+  };
+}