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/compilers/souffle/default.nix

@@ -0,0 +1,45 @@
+{ lib, stdenv, fetchFromGitHub
+, bash-completion, perl, ncurses, zlib, sqlite, libffi
+, mcpp, cmake, bison, flex, doxygen, graphviz
+, makeWrapper
+}:
+
+
+let
+  toolsPath = lib.makeBinPath [ mcpp ];
+in
+stdenv.mkDerivation rec {
+  pname = "souffle";
+  version = "2.2";
+
+  src = fetchFromGitHub {
+    owner  = "souffle-lang";
+    repo   = "souffle";
+    rev    = version;
+    sha256 = "sha256-whvC+DL9XbQLc4wf2kFxUKXSyJnGkYq0/0uLCLbliJU=";
+  };
+
+  nativeBuildInputs = [ bison cmake flex mcpp doxygen graphviz makeWrapper perl ];
+  buildInputs = [ bash-completion ncurses zlib sqlite libffi ];
+  # these propagated inputs are needed for the compiled Souffle mode to work,
+  # since generated compiler code uses them. TODO: maybe write a g++ wrapper
+  # that adds these so we can keep the propagated inputs clean?
+  propagatedBuildInputs = [ ncurses zlib sqlite libffi ];
+
+  cmakeFlags = [ "-DSOUFFLE_GIT=OFF" ];
+
+  postInstall = ''
+    wrapProgram "$out/bin/souffle" --prefix PATH : "${toolsPath}"
+  '';
+
+  outputs = [ "out" ];
+
+  meta = with lib; {
+    broken = stdenv.isDarwin;
+    description = "A translator of declarative Datalog programs into the C++ language";
+    homepage    = "https://souffle-lang.github.io/";
+    platforms   = platforms.unix;
+    maintainers = with maintainers; [ thoughtpolice copumpkin wchresta ];
+    license     = licenses.upl;
+  };
+}