From 44b7d34652fc7b868d998a2f80c0e92f607bc72a Mon Sep 17 00:00:00 2001
From: Elias Andualem <eliasandualem8@gmail.com>
Date: Tue, 17 Feb 2026 02:48:49 +0800
Subject: [PATCH] fix: add support for apple SDK paths in Darwin builds

---
 src/build/GhosttyLibVt.zig | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/build/GhosttyLibVt.zig b/src/build/GhosttyLibVt.zig
index aae8ace19..154a55740 100644
--- a/src/build/GhosttyLibVt.zig
+++ b/src/build/GhosttyLibVt.zig
@@ -61,6 +61,12 @@ pub fn initShared(
         .{ .include_extensions = &.{".h"} },
     );
 
+    // We always require the system SDK so that our system headers are available.
+    // This makes things like `os/log.h` and iOS SDK available for cross-compiling.
+    if (lib.rootModuleTarget().os.tag.isDarwin()) {
+        try @import("apple_sdk").addPaths(b, lib);
+    }
+
     // Get our debug symbols
     const dsymutil: ?std.Build.LazyPath = dsymutil: {
         if (!target.result.os.tag.isDarwin()) {