new streams

flake.nix

@@ -0,0 +1,77 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+
+    # for building rust packages
+    naersk.url = "github:nix-community/naersk";
+    # for eary pre-built toolchains
+    nixpkgs-mozilla = {
+      url = "github:mozilla/nixpkgs-mozilla";
+      flake = false;
+    };
+  };
+  outputs =
+    {
+      self,
+      nixpkgs,
+      flake-utils,
+      nixpkgs-mozilla,
+      naersk,
+    }:
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = (import nixpkgs) {
+          inherit system;
+          overlays = [
+            (import nixpkgs-mozilla)
+          ];
+        };
+
+        toolchain = (
+          (pkgs.rustChannelOf {
+            rustToolchain = ./rust-toolchain.toml;
+            sha256 = "sha256-sqSWJDUxc+zaz1nBWMAJKTAGBuGWP25GCftIOlCEAtA=";
+          }).rust.override
+            {
+              extensions = [
+                "rust-src"
+              ];
+            }
+        );
+      in
+      {
+        packages = {
+          backend = pkgs.callPackage ./packages/rawr-backend.nix {
+            inherit naersk toolchain;
+          };
+        };
+        devShells.default =
+          with pkgs;
+          mkShell {
+            nativeBuildInputs = [
+              openssl
+            ];
+            buildInputs = [
+              pkg-config
+              clang
+              llvmPackages_latest.bintools
+              toolchain
+            ];
+            packages = [
+              gdb
+            ];
+            shellHook = ''
+              export LIBCLANG_PATH="${lib.makeLibraryPath [ llvmPackages_latest.libclang.lib ]}"
+              export LD_LIBRARY_PATH="'$LD_LIBRARY_PATH:${
+                lib.makeLibraryPath [
+                  openssl
+                ]
+              }"
+              PKG_CONFIG_PATH="${openssl.dev}/lib/pkgconfig";
+            '';
+          };
+      }
+    );
+}