Update dependencies; support macOS

flake.lock

@@ -2,10 +2,10 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1700794826,
-        "narHash": "sha256-RyJTnTNKhO0yqRpDISk03I/4A67/dp96YRxc86YOPgU=",
-        "path": "/nix/store/6h04ab83y72nm16hh9g3llgg0s296ynl-source",
-        "rev": "5a09cb4b393d58f9ed0d9ca1555016a8543c2ac8",
+        "lastModified": 1708118438,
+        "narHash": "sha256-kk9/0nuVgA220FcqH/D2xaN6uGyHp/zoxPNUmPCMmEE=",
+        "path": "/nix/store/bg5fbkfa5x53clcjf4p5p92k1l3w8x38-source",
+        "rev": "5863c27340ba4de8f83e7e3c023b9599c3cb3c80",
         "type": "path"
       },
       "original": {
@@ -15,7 +15,22 @@
     },
     "root": {
       "inputs": {
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "systems": "systems"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "id": "systems",
+        "type": "indirect"
       }
     }
   },

flake.nix

@@ -2,11 +2,19 @@
   outputs = {
     self,
     nixpkgs,
+    systems,
   }: let
-    sys = "x86_64-linux";
-    pkgs = nixpkgs.legacyPackages.${sys};
+    eachSystem = f:
+      nixpkgs.lib.genAttrs (import systems) (sys:
+        f {
+          inherit sys;
+          pkgs = nixpkgs.legacyPackages.${sys};
+        });
   in {
-    packages.${sys} = rec {
+    packages = eachSystem ({
+      sys,
+      pkgs,
+    }: rec {
       python3 = pkgs.python3.override {
         packageOverrides = final: prev: {
           milc = prev.milc.overrideAttrs {
@@ -35,16 +43,21 @@
       };
 
       qmk = pkgs.qmk.override {inherit python3;};
-    };
-    devShells.${sys}.default = pkgs.mkShell {
-      packages = with pkgs; [
-        self.packages.${sys}.qmk
-        clang
-        clang-tools
-      ];
-      shellHook = ''
-        export QMK_HOME=$PWD/qmk_firmware
-      '';
-    };
+    });
+    devShells = eachSystem ({
+      sys,
+      pkgs,
+    }: {
+      default = pkgs.mkShell {
+        packages = with pkgs; [
+          self.packages.${sys}.qmk
+          clang
+          clang-tools
+        ];
+        shellHook = ''
+          export QMK_HOME=$PWD/qmk_firmware
+        '';
+      };
+    });
   };
 }