From 3a84f77782434074667060132856f7bd92cf20ab Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Fri, 2 Feb 2024 21:35:41 -0700
Subject: [PATCH] make mach_glfw a lazy dependency

Prevents it from being fetched unless it is actually needed.
---
 build.zig            | 10 +++++-----
 build.zig.zon        |  1 +
 nix/zigCacheHash.nix |  2 +-
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/build.zig b/build.zig
index 9d07d22a3..ce295bbdf 100644
--- a/build.zig
+++ b/build.zig
@@ -925,10 +925,6 @@ fn addDeps(
         .target = target,
         .optimize = optimize,
     });
-    const mach_glfw_dep = b.dependency("mach_glfw", .{
-        .target = target,
-        .optimize = optimize,
-    });
     const libpng_dep = b.dependency("libpng", .{
         .target = target,
         .optimize = optimize,
@@ -1096,7 +1092,11 @@ fn addDeps(
         switch (config.app_runtime) {
             .none => {},
 
-            .glfw => {
+            .glfw => glfw: {
+                const mach_glfw_dep = b.lazyDependency("mach_glfw", .{
+                    .target = target,
+                    .optimize = optimize,
+                }) orelse break :glfw;
                 step.root_module.addImport("glfw", mach_glfw_dep.module("mach-glfw"));
             },
 
diff --git a/build.zig.zon b/build.zig.zon
index 597d35058..d42fa0fc1 100644
--- a/build.zig.zon
+++ b/build.zig.zon
@@ -11,6 +11,7 @@
         .mach_glfw = .{
             .url = "https://github.com/der-teufel-programming/mach-glfw/archive/250affff8c52d1eaa0fab2ef1118f691bf1225ec.tar.gz",
             .hash = "122029f65edf3965d86f7d0741fe141bcc1d68b1f013fa7280bbfda4e87c6affc15f",
+            .lazy = true,
         },
         .zig_objc = .{
             .url = "https://github.com/mitchellh/zig-objc/archive/f6ed382b6db296626a9b56dadcf9d7e4fcba71d3.tar.gz",
diff --git a/nix/zigCacheHash.nix b/nix/zigCacheHash.nix
index 2deb95ef2..68a19f5f5 100644
--- a/nix/zigCacheHash.nix
+++ b/nix/zigCacheHash.nix
@@ -1,3 +1,3 @@
 # This file is auto-generated! check build-support/check-zig-cache-hash.sh for
 # more details.
-"sha256-3qABxwGWy8emiSUtDBF2Dj4YdmdR2L4RNpfnQJie3CI="
+"sha256-YXSgZynCPCwahbV4cQx05IrtzOaUxG75715dc+j+8/c="