From e12a72db92164dab46023dad03d10f5047477d95 Mon Sep 17 00:00:00 2001
From: Elaine Gibson <ypsvlq@gmail.com>
Date: Wed, 20 Mar 2024 22:14:12 +0000
Subject: [PATCH] main: set subsystem version from target windows version

---
 src/main.zig | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/main.zig b/src/main.zig
index be2083a0f8..4407ca72ce 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -2799,6 +2799,16 @@ fn buildOutputType(
 
     const target = main_mod.resolved_target.result;
 
+    if (target.os.tag == .windows and major_subsystem_version == null and minor_subsystem_version == null) {
+        major_subsystem_version, minor_subsystem_version = switch (target.os.version_range.windows.min) {
+            .nt4 => .{ 4, 0 },
+            .win2k => .{ 5, 0 },
+            .xp => if (target.cpu.arch == .x86_64) .{ 5, 2 } else .{ 5, 1 },
+            .ws2003 => .{ 5, 2 },
+            else => .{ null, null },
+        };
+    }
+
     if (target.ofmt != .coff) {
         if (manifest_file != null) {
             fatal("manifest file is not allowed unless the target object format is coff (Windows/UEFI)", .{});