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/logic/leo2/default.nix

@@ -0,0 +1,49 @@
+{ lib, stdenv, fetchurl, fetchpatch, makeWrapper, eprover, ocaml, camlp4, perl, zlib }:
+
+stdenv.mkDerivation rec {
+  pname = "leo2";
+  version = "1.7.0";
+
+  src = fetchurl {
+    url = "https://page.mi.fu-berlin.de/cbenzmueller/leo/leo2_v${version}.tgz";
+    sha256 = "sha256:1b2q7vsz6s9ighypsigqjm1mzjiq3xgnz5id5ssb4rh9zm190r82";
+  };
+
+  nativeBuildInputs = [ makeWrapper ];
+  buildInputs = [ eprover ocaml camlp4 perl zlib ];
+
+  patches = [ (fetchpatch {
+      url = "https://github.com/niklasso/minisat/commit/7eb6015313561a2586032574788fcb133eeaa19f.patch";
+      stripLen = 1;
+      extraPrefix = "lib/";
+      sha256 = "sha256:01ln7hi6nvvkqkhn9hciqizizz5qspvqffgksvgmzn9x7kdd9pnh";
+    })
+  ];
+
+  preConfigure = ''
+    cd src
+    patchShebangs configure
+    substituteInPlace Makefile.pre \
+      --replace '+camlp4' "${camlp4}/lib/ocaml/${ocaml.version}/site-lib/camlp4"
+  '';
+
+  buildFlags = [ "opt" ];
+
+  preInstall = "mkdir -p $out/bin";
+
+  postInstall = ''
+    mkdir -p "$out/etc"
+    echo -e "e = ${eprover}/bin/eprover\\nepclextract = ${eprover}/bin/epclextract" > "$out/etc/leoatprc"
+
+    wrapProgram $out/bin/leo \
+      --add-flags "--atprc $out/etc/leoatprc"
+  '';
+
+  meta = with lib; {
+    description = "A high-performance typed higher order prover";
+    maintainers = [ maintainers.raskin ];
+    platforms = platforms.linux;
+    license = licenses.bsd3;
+    homepage = "http://www.leoprover.org/";
+  };
+}