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/tools/security/hashcat/default.nix

@@ -0,0 +1,48 @@
+{ lib, stdenv
+, fetchurl
+, makeWrapper
+, opencl-headers
+, ocl-icd
+, xxHash
+}:
+
+stdenv.mkDerivation rec {
+  pname   = "hashcat";
+  version = "6.2.5";
+
+  src = fetchurl {
+    url = "https://hashcat.net/files/hashcat-${version}.tar.gz";
+    sha256 = "sha256-b2iZ162Jlln3tDpNaAmFQ6tUbSFx+OUdaR0Iplk3iWk=";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ opencl-headers xxHash ];
+
+  makeFlags = [
+    "PREFIX=${placeholder "out"}"
+    "COMPTIME=1337"
+    "VERSION_TAG=${version}"
+    "USE_SYSTEM_OPENCL=1"
+    "USE_SYSTEM_XXHASH=1"
+  ];
+
+  preFixup = ''
+    for f in $out/share/hashcat/OpenCL/*.cl; do
+      # Rewrite files to be included for compilation at runtime for opencl offload
+      sed "s|#include \"\(.*\)\"|#include \"$out/share/hashcat/OpenCL/\1\"|g" -i "$f"
+      sed "s|#define COMPARE_\([SM]\) \"\(.*\.cl\)\"|#define COMPARE_\1 \"$out/share/hashcat/OpenCL/\2\"|g" -i "$f"
+    done
+  '';
+
+  postFixup = ''
+    wrapProgram $out/bin/hashcat --prefix LD_LIBRARY_PATH : ${ocl-icd}/lib
+  '';
+
+  meta = with lib; {
+    description = "Fast password cracker";
+    homepage    = "https://hashcat.net/hashcat/";
+    license     = licenses.mit;
+    platforms   = platforms.linux;
+    maintainers = with maintainers; [ kierdavis zimbatm ];
+  };
+}