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/programming/jflap/default.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, fetchurl, jre, makeWrapper }:
+
+stdenv.mkDerivation rec {
+  pname = "jflap";
+  version = "7.1";
+
+  src = fetchurl {
+    url = "https://www.jflap.org/jflaptmp/july27-18/JFLAP7.1.jar";
+    sha256 = "oiwJXdxWsYFj6Ovu7xZbOgTLVw8160a5YQUWbgbJlAY=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  dontUnpack = true;
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/share/java
+    cp -s $src $out/share/java/jflap.jar
+    makeWrapper ${jre}/bin/java $out/bin/jflap --add-flags "-jar $out/share/java/jflap.jar"
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "GUI tool for experimenting with formal languages topics";
+    homepage = "https://www.jflap.org/";
+    license = licenses.unfree;
+    sourceProvenance = with sourceTypes; [ binaryBytecode ];
+    maintainers = [ maintainers.grnnja ];
+    platforms = platforms.all;
+  };
+}