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/mosml/default.nix

@@ -0,0 +1,35 @@
+{ lib, stdenv, fetchFromGitHub, gmp, perl }:
+
+stdenv.mkDerivation rec {
+  pname = "mosml";
+  version = "2.10.1";
+
+  buildInputs = [ gmp perl ];
+
+  makeFlags = [ "PREFIX=$(out)" "CC=${stdenv.cc.targetPrefix}cc" ];
+
+  src = fetchFromGitHub {
+    owner = "kfl";
+    repo = "mosml";
+    rev = "ver-${version}";
+    sha256 = "sha256-GK39WvM7NNhoC5f0Wjy4/5VWT+Rbh2qo+W71hWrbPso=";
+  };
+
+  setSourceRoot = ''export sourceRoot="$(echo */src)"'';
+
+  # MosML needs a specific RPATH entry pointing to $(out)/lib (added
+  # by the build system), which patchelf will remove.
+  dontPatchELF = true;
+
+  meta = with lib; {
+    description = "A light-weight implementation of Standard ML";
+    longDescription = ''
+      Moscow ML is a light-weight implementation of Standard ML (SML), a strict
+      functional language used in teaching and research.
+    '';
+    homepage = "https://mosml.org/";
+    license = licenses.gpl2;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ vaibhavsagar ];
+  };
+}