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/cstruct/async.nix

@@ -0,0 +1,11 @@
+{ lib, buildDunePackage, cstruct, async_unix }:
+
+buildDunePackage rec {
+  pname = "cstruct-async";
+  inherit (cstruct) src version meta useDune2;
+
+  propagatedBuildInputs = [
+    async_unix
+    cstruct
+  ];
+}

pkgs/development/ocaml-modules/cstruct/default.nix

@@ -0,0 +1,28 @@
+{ lib, fetchurl, buildDunePackage, bigarray-compat, alcotest, ocaml }:
+
+buildDunePackage rec {
+  pname = "cstruct";
+  version = "6.0.1";
+
+  useDune2 = true;
+
+  minimumOCamlVersion = "4.03";
+
+  src = fetchurl {
+    url = "https://github.com/mirage/ocaml-cstruct/releases/download/v${version}/cstruct-v${version}.tbz";
+    sha256 = "4a67bb8f042753453c59eabf0e47865631253ba694091ce6062aac05d47a9bed";
+  };
+
+  propagatedBuildInputs = [ bigarray-compat ];
+
+  # alcotest isn't available for OCaml < 4.05 due to fmt
+  doCheck = lib.versionAtLeast ocaml.version "4.05";
+  checkInputs = [ alcotest ];
+
+  meta = {
+    description = "Access C-like structures directly from OCaml";
+    license = lib.licenses.isc;
+    homepage = "https://github.com/mirage/ocaml-cstruct";
+    maintainers = [ lib.maintainers.vbgl ];
+  };
+}

pkgs/development/ocaml-modules/cstruct/lwt.nix

@@ -0,0 +1,14 @@
+{ lib, buildDunePackage, cstruct, lwt }:
+
+if lib.versionOlder (cstruct.version or "1") "3"
+then cstruct
+else
+
+buildDunePackage {
+  pname = "cstruct-lwt";
+  inherit (cstruct) version src useDune2 meta;
+
+  minimumOCamlVersion = "4.03";
+
+  propagatedBuildInputs = [ cstruct lwt ];
+}

pkgs/development/ocaml-modules/cstruct/ppx.nix

@@ -0,0 +1,19 @@
+{ lib, buildDunePackage, cstruct, sexplib, ppxlib, stdlib-shims
+, ounit, cppo, ppx_sexp_conv, cstruct-unix, cstruct-sexp
+}:
+
+if lib.versionOlder (cstruct.version or "1") "3"
+then cstruct
+else
+
+buildDunePackage {
+  pname = "ppx_cstruct";
+  inherit (cstruct) version src useDune2 meta;
+
+  minimalOCamlVersion = "4.08";
+
+  propagatedBuildInputs = [ cstruct ppxlib sexplib stdlib-shims ];
+
+  doCheck = true;
+  checkInputs = [ ounit cppo ppx_sexp_conv cstruct-sexp cstruct-unix ];
+}

pkgs/development/ocaml-modules/cstruct/sexp.nix

@@ -0,0 +1,18 @@
+{ lib, buildDunePackage, ocaml, alcotest, cstruct, sexplib }:
+
+if lib.versionOlder (cstruct.version or "1") "3"
+then cstruct
+else
+
+buildDunePackage rec {
+  pname = "cstruct-sexp";
+  inherit (cstruct) version src useDune2 meta;
+
+  minimumOCamlVersion = "4.03";
+
+  # alcotest is only available on OCaml >= 4.05 due to fmt
+  doCheck = lib.versionAtLeast ocaml.version "4.05";
+  checkInputs = [ alcotest ];
+
+  propagatedBuildInputs = [ cstruct sexplib ];
+}

pkgs/development/ocaml-modules/cstruct/unix.nix

@@ -0,0 +1,14 @@
+{ lib, buildDunePackage, cstruct }:
+
+if lib.versionOlder (cstruct.version or "1") "3"
+then cstruct
+else
+
+buildDunePackage {
+  pname = "cstruct-unix";
+  inherit (cstruct) version src useDune2 meta;
+
+  minimumOCamlVersion = "4.06";
+
+  propagatedBuildInputs = [ cstruct ];
+}