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/java/jflex/default.nix

@@ -0,0 +1,38 @@
+{lib, stdenv, fetchurl, jre} :
+
+stdenv.mkDerivation rec {
+  pname = "jflex";
+  version = "1.8.2";
+
+  src = fetchurl {
+    url = "http://jflex.de/release/jflex-${version}.tar.gz";
+    sha256 = "1ar7g6zb2xjgnws3j4cqcp86jplhc9av8cpcjdmxw08x6igd5q51";
+  };
+
+  sourceRoot = "${pname}-${version}";
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out
+    cp -a * $out
+    rm -f $out/bin/jflex.bat
+
+    patchShebangs $out
+    sed -i -e '/^JAVA=java/ s#java#${jre}/bin/java#' $out/bin/jflex
+    runHook postInstall
+  '';
+
+  doInstallCheck = true;
+  installCheckPhase = ''
+    runHook preInstallCheck
+    $out/bin/jflex --version
+    runHook postInstallCheck
+  '';
+
+  meta = {
+    homepage = "https://www.jflex.de/";
+    description = "Lexical analyzer generator for Java, written in Java";
+    license = lib.licenses.bsd3;
+    platforms = lib.platforms.unix;
+  };
+}