From 862fbde1801b3122f445c63290986ae300d9f6a9 Mon Sep 17 00:00:00 2001
From: Brian Quinlan <bquinlan@google.com>
Date: Mon, 25 Nov 2024 16:48:23 -0800
Subject: [PATCH] Make symbol visible

---
 .../Sources/cupertino_http/utils.h            | 19 -------------------
 .../Sources/cupertino_http/utils.m            | 19 +++++++++++++++++--
 2 files changed, 17 insertions(+), 21 deletions(-)
 delete mode 100644 pkgs/cupertino_http/darwin/cupertino_http/Sources/cupertino_http/utils.h

diff --git a/pkgs/cupertino_http/darwin/cupertino_http/Sources/cupertino_http/utils.h b/pkgs/cupertino_http/darwin/cupertino_http/Sources/cupertino_http/utils.h
deleted file mode 100644
index 490b1d70b7..0000000000
--- a/pkgs/cupertino_http/darwin/cupertino_http/Sources/cupertino_http/utils.h
+++ /dev/null
@@ -1,19 +0,0 @@
-#import <Foundation/NSLock.h>
-#import <Foundation/NSURL.h>
-#import <Foundation/NSURLSession.h>
-#include <stdint.h>
-
-#if !__has_feature(objc_arc)
-#error "This file must be compiled with ARC enabled"
-#endif
-
-typedef void (^_DidFinish)(void *closure, NSURLSession *session,
-                           NSURLSessionDownloadTask *downloadTask,
-                           NSURL *location);
-typedef void (^_DidFinishWithLock)(NSCondition *lock, NSURLSession *session,
-                                   NSURLSessionDownloadTask *downloadTask,
-                                   NSURL *location);
-/// Create a block useable as a
-/// `URLSession:downloadTask:didFinishDownloadingToURL:` that can be used to
-/// make an async Dart callback behave synchronously.
-_DidFinish adaptFinishWithLock(_DidFinishWithLock block);
diff --git a/pkgs/cupertino_http/darwin/cupertino_http/Sources/cupertino_http/utils.m b/pkgs/cupertino_http/darwin/cupertino_http/Sources/cupertino_http/utils.m
index bad263c96c..d990d5b967 100644
--- a/pkgs/cupertino_http/darwin/cupertino_http/Sources/cupertino_http/utils.m
+++ b/pkgs/cupertino_http/darwin/cupertino_http/Sources/cupertino_http/utils.m
@@ -1,6 +1,21 @@
-#import "utils.h"
+#import <Foundation/NSLock.h>
+#import <Foundation/NSURL.h>
+#import <Foundation/NSURLSession.h>
+#include <stdint.h>
 
-_DidFinish adaptFinishWithLock(_DidFinishWithLock block) {
+#if !__has_feature(objc_arc)
+#error "This file must be compiled with ARC enabled"
+#endif
+
+typedef void (^_DidFinish)(void *closure, NSURLSession *session,
+                           NSURLSessionDownloadTask *downloadTask,
+                           NSURL *location);
+typedef void (^_DidFinishWithLock)(NSCondition *lock, NSURLSession *session,
+                                   NSURLSessionDownloadTask *downloadTask,
+                                   NSURL *location);
+
+__attribute__((visibility("default"))) __attribute__((used)) _DidFinish
+adaptFinishWithLock(_DidFinishWithLock block) {
   return ^void(void *closure, NSURLSession *session,
                NSURLSessionDownloadTask *downloadTask, NSURL *location) {
     NSCondition *lock = [[NSCondition alloc] init];