From 0720e1ced708a7f72dcbc389353aa5664fcb3c81 Mon Sep 17 00:00:00 2001
From: Chuck Grindel <chuck.grindel@gmail.com>
Date: Sat, 30 Mar 2024 11:55:34 -0600
Subject: [PATCH] fix: add -ObjC to copts for objc_library targets

---
 swiftpkg/internal/swiftpkg_build_files.bzl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/swiftpkg/internal/swiftpkg_build_files.bzl b/swiftpkg/internal/swiftpkg_build_files.bzl
index 4581bae07..1a2f62cee 100644
--- a/swiftpkg/internal/swiftpkg_build_files.bzl
+++ b/swiftpkg/internal/swiftpkg_build_files.bzl
@@ -314,6 +314,12 @@ def _clang_target_build_file(repository_ctx, pkg_ctx, target):
 
     copts.extend(local_includes)
 
+    if target.objc_src_info != None:
+        # As of 2024-03-30, objc_library does not add the `-ObjC` flag during
+        # compilation. We need to add it for the ObjC resource bundle accessor
+        # to work properly.
+        copts.append("-ObjC")
+
     # The `includes` attribute adds includes as -isystem which propagates
     # to cc_XXX that depend upon the library.  Providing includes as -I
     # only provides the includes for this target.