metal: init at 2.1.1

pkgs/development/libraries/metal/default.nix

@@ -0,0 +1,25 @@
+{ stdenv, fetchFromGitHub, cmake }:
+stdenv.mkDerivation rec {
+  pname = "metal";
+  version = "2.1.1";
+
+  src = fetchFromGitHub {
+    owner = "brunocodutra";
+    repo = "metal";
+    rev = "v${version}";
+    sha256 = "07n1aqyaixbd66l24km5ip3pkmidkx9m3saygf7cfp6vvbgmi42l";
+  };
+
+  nativeBuildInputs = [ cmake ];
+
+  enableParallelBuilding = true;
+
+  meta = with stdenv.lib; {
+    description = "Single-header C++11 library designed to make you love template metaprogramming";
+    homepage = "https://github.com/brunocodutra/metal";
+    license = licenses.mit;
+    maintainers = with maintainers; [ pmiddend ];
+    platforms = platforms.linux;
+  };
+
+}

pkgs/top-level/all-packages.nix

@@ -9038,6 +9038,7 @@ in
   scala_2_13 = callPackage ../development/compilers/scala/2.13.nix { jre = jre8; };
   scala = scala_2_13;
 
+  metal = callPackage ../development/libraries/metal { };
   metals = callPackage ../development/tools/metals { };
   scalafix = callPackage ../development/tools/scalafix { };
   scalafmt = callPackage ../development/tools/scalafmt { };