use zig package manager

.gitmodules

@@ -1,3 +0,0 @@
-[submodule "vendor/mach-glfw"]
-	path = vendor/mach-glfw
-	url = https://github.com/hexops/mach-glfw.git

build.zig

@@ -1,26 +1,12 @@
 const std = @import("std");
-const system_sdk = @import("vendor/mach-glfw/system_sdk.zig");
-
-/// Use this with addPackage in your project.
-pub const pkg = std.build.Pkg{
-    .name = "objc",
-    .source = .{ .path = thisDir() ++ "/src/main.zig" },
-};
-
-/// Returns the module for libxev. The recommended approach is to depend
-/// on libxev in your build.zig.zon file, then use
-/// `b.dependency("libxev").module("xev")`. But if you're not using
-/// a build.zig.zon yet this will work.
-pub fn module(b: *std.Build) *std.Build.Module {
-    return b.createModule(.{
-        .source_file = .{ .path = (comptime thisDir()) ++ "/src/main.zig" },
-    });
-}
+const xcode_frameworks = @import("xcode_frameworks");
 
 pub fn build(b: *std.Build) !void {
     const optimize = b.standardOptimizeOption(.{});
     const target = b.standardTargetOptions(.{});
 
+    _ = b.addModule("objc", .{ .source_file = .{ .path = "src/main.zig" } });
+
     const tests = b.addTest(.{
         .name = "objc-test",
         .root_source_file = .{ .path = "src/main.zig" },
@@ -28,14 +14,10 @@ pub fn build(b: *std.Build) !void {
         .optimize = optimize,
     });
     tests.linkSystemLibrary("objc");
-    system_sdk.include(b, tests, .{});
+    try xcode_frameworks.addPaths(b, tests);
     b.installArtifact(tests);
 
     const test_step = b.step("test", "Run tests");
     const tests_run = b.addRunArtifact(tests);
     test_step.dependOn(&tests_run.step);
 }
-
-fn thisDir() []const u8 {
-    return std.fs.path.dirname(@src().file) orelse ".";
-}

build.zig.zon

@@ -0,0 +1,10 @@
+.{
+    .name = "zig-objc",
+    .version = "0.0.0",
+    .dependencies = .{
+        .xcode_frameworks = .{
+            .url = "https://github.com/mitchellh/zig-build-xcode-frameworks/archive/8a5fac6c4e7110be073b93cdbb317264731b2e14.tar.gz",
+            .hash = "122057e2244209296c552203b246870f6bc0326f9bd8eb41bc1e9e1de5c2a62c5be3",
+        },
+    },
+}

flake.lock

@@ -80,16 +80,16 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1661151577,
-        "narHash": "sha256-++S0TuJtuz9IpqP8rKktWyHZKpgdyrzDFUXVY07MTRI=",
+        "lastModified": 1689088367,
+        "narHash": "sha256-Y2tl2TlKCWEHrOeM9ivjCLlRAKH3qoPUE/emhZECU14=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "54060e816971276da05970a983487a25810c38a7",
+        "rev": "5c9ddb86679c400d6b7360797b8a22167c2053f8",
         "type": "github"
       },
       "original": {
         "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
+        "ref": "release-23.05",
         "repo": "nixpkgs",
         "type": "github"
       }
@@ -109,11 +109,11 @@
         "nixpkgs": "nixpkgs_2"
       },
       "locked": {
-        "lastModified": 1688126918,
-        "narHash": "sha256-A4j6rWShGZf2wf7RwTd1sWhN9qLAINDYsExqZD6N09k=",
+        "lastModified": 1691064519,
+        "narHash": "sha256-kGl2GigkW6O7uVc5W4mFdn9SN2fOBpKdvbhSxZj/huQ=",
         "owner": "mitchellh",
         "repo": "zig-overlay",
-        "rev": "601ed4533722f87b9e97580d30ddd687e58c6b16",
+        "rev": "8a0bae25fcebaacdd117df045271778ffbb10735",
         "type": "github"
       },
       "original": {

vendor/mach-glfw

@@ -1 +0,0 @@
-Subproject commit 70ff87ba8af0820bbcfdbdf3b15555cb4c19f7ab