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/libraries/muparserx/default.nix

@@ -0,0 +1,44 @@
+{ lib, stdenv
+, fetchFromGitHub
+, cmake
+}:
+
+stdenv.mkDerivation rec {
+  pname = "muparserx";
+  version = "4.0.11";
+
+  src = fetchFromGitHub {
+    owner = "beltoforion";
+    repo = "muparserx";
+    rev = "v${version}";
+    sha256 = "sha256-BWzHlz1mQYsvWa53EtO05Rb4rRHJBSRguJTHLtgqpPw=";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  cmakeFlags = [
+    "-DCMAKE_BUILD_TYPE=Release"
+  ];
+
+  doCheck = true;
+  checkPhase = ''
+    echo "***Muparserx self-test***"
+    echo "quit" | ./example > test_result.log
+    cat test_result.log
+    if grep -Fqi "failed" test_result.log; then
+      echo ">=1 muparserx tests failed"
+      exit 1
+    else
+      echo -e "\nmuparserx tests succeeded"
+    fi
+  '';
+
+  meta = with lib; {
+    description = "A C++ Library for Parsing Expressions with Strings, Complex Numbers, Vectors, Matrices and more";
+    homepage = "https://beltoforion.de/en/muparserx/";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ drewrisinger ];
+    # selftest fails
+    broken = stdenv.isDarwin;
+  };
+}