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/stp/default.nix

@@ -0,0 +1,33 @@
+{ lib, stdenv, cmake, boost, bison, flex, fetchFromGitHub, perl
+, python3, python3Packages, zlib, minisat, cryptominisat }:
+
+stdenv.mkDerivation rec {
+  pname = "stp";
+  version = "2.3.3";
+
+  src = fetchFromGitHub {
+    owner = "stp";
+    repo = "stp";
+    rev    = version;
+    sha256 = "1yg2v4wmswh1sigk47drwsxyayr472mf4i47lqmlcgn9hhbx1q87";
+  };
+
+  buildInputs = [ boost zlib minisat cryptominisat python3 ];
+  nativeBuildInputs = [ cmake bison flex perl ];
+  preConfigure = ''
+    python_install_dir=$out/${python3Packages.python.sitePackages}
+    mkdir -p $python_install_dir
+    cmakeFlagsArray=(
+      $cmakeFlagsArray
+      "-DBUILD_SHARED_LIBS=ON"
+      "-DPYTHON_LIB_INSTALL_DIR=$python_install_dir"
+    )
+  '';
+
+  meta = with lib; {
+    description = "Simple Theorem Prover";
+    maintainers = with maintainers; [ ];
+    platforms = platforms.linux;
+    license = licenses.mit;
+  };
+}