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/ocaml-modules/cfstream/default.nix

@@ -0,0 +1,35 @@
+{ lib, buildDunePackage, fetchFromGitHub, m4, core_kernel, ounit }:
+
+buildDunePackage rec {
+  pname = "cfstream";
+  version = "1.3.1";
+
+  useDune2 = true;
+
+  minimumOCamlVersion = "4.04.1";
+
+  src = fetchFromGitHub {
+    owner = "biocaml";
+    repo   = pname;
+    rev    = version;
+    sha256 = "0qnxfp6y294gjsccx7ksvwn9x5q20hi8sg24rjypzsdkmlphgdnd";
+  };
+
+  patches = [ ./git_commit.patch ];
+
+  # This currently fails with dune
+  strictDeps = false;
+
+  nativeBuildInputs = [ m4 ];
+  checkInputs = [ ounit ];
+  propagatedBuildInputs = [ core_kernel ];
+
+  doCheck = true;
+
+  meta = with lib; {
+    inherit (src.meta) homepage;
+    description = "Simple Core-inspired wrapper for standard library Stream module";
+    maintainers = [ maintainers.bcdarwin ];
+    license = licenses.lgpl21;
+  };
+}

pkgs/development/ocaml-modules/cfstream/git_commit.patch

@@ -0,0 +1,13 @@
+diff --git a/lib/dune b/lib/dune
+index 2266b87..344c704 100644
+--- a/lib/dune
++++ b/lib/dune
+@@ -8,7 +8,7 @@
+ (rule
+  (targets GIT_COMMIT)
+  (deps (:x ../bin/git_commit.sh))
+- (action (with-stdout-to %{targets} (run %{x})))
++ (action (with-stdout-to %{targets} (run echo None)))
+ )
+ 
+ (rule