rust runtime derivation

runtime/default.nix

@@ -0,0 +1,24 @@
+{ lib
+, rustPlatform
+, bdwgc
+, cmake
+, pkg-config
+}:
+
+rustPlatform.buildRustPackage (finalAttrs: {
+  pname = "gyehoek";
+  version = "0.0.1";
+  src = ./.;
+  cargoLock = {
+    lockFile = ./Cargo.lock;
+    outputHashes."bdwgc-alloc-0.6.13" =
+      "sha256-8/EZ9FThVVsdkwB+OIlNHQJxIr6DPf701Mlfq5U1j4E=";
+  };
+  nativeBuildInputs = [
+    pkg-config
+    cmake
+  ];
+  buildInputs = [
+    bdwgc
+  ];
+})

runtime/flake.nix

@@ -43,9 +43,6 @@
 
     devShells = each-system ({ pkgs, lib, ... }: {
       default = pkgs.mkShell {
-        RUSTFLAGS = "-L " + lib.makeLibraryPath [
-          pkgs.bdwgc
-        ];
         packages = [
           pkgs.pkg-config
           pkgs.bdwgc