From 7d538d6e536aedc3d71c806b8831c73bb5dd0c62 Mon Sep 17 00:00:00 2001
From: Michael Dusan <michael.dusan@gmail.com>
Date: Sun, 1 Jan 2023 22:43:09 -0500
Subject: [PATCH] stage3 macos: enable -headerpad_max_install_names

This pads the install names area in final (stage3) zig executable on
macos. The executable size grows by 4096 bytes, or roughly 0.002% .

closes #13388
---
 build.zig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/build.zig b/build.zig
index 8bacb6937f..d5e37a5f7b 100644
--- a/build.zig
+++ b/build.zig
@@ -569,6 +569,10 @@ fn addCmakeCfgOptionsToExe(
     exe: *std.build.LibExeObjStep,
     use_zig_libcxx: bool,
 ) !void {
+    if (exe.target.isDarwin()) {
+        // useful for package maintainers
+        exe.headerpad_max_install_names = true;
+    }
     exe.addObjectFile(fs.path.join(b.allocator, &[_][]const u8{
         cfg.cmake_binary_dir,
         "zigcpp",