From 0a60d1b6b40cac329f24d7f1d754c17d9a23a6ca Mon Sep 17 00:00:00 2001
From: Andrew Shaitorov <andrew.shaitorov@gmail.com>
Date: Sun, 6 Dec 2020 11:31:26 -0500
Subject: Allow empty source file list for iOS Sticker packs

---
 Source/cmGlobalXCodeGenerator.cxx | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Source/cmGlobalXCodeGenerator.cxx b/Source/cmGlobalXCodeGenerator.cxx
index 17d1790..70aa052 100644
--- a/Source/cmGlobalXCodeGenerator.cxx
+++ b/Source/cmGlobalXCodeGenerator.cxx
@@ -1649,6 +1649,14 @@ void cmGlobalXCodeGenerator::ForceLinkerLanguage(cmGeneratorTarget* gtgt)
     }
   }
 
+  // Allow empty source file list for iOS Sticker packs
+  if (const char* productType = GetTargetProductType(gtgt)) {
+    if (strcmp(productType,
+               "com.apple.product-type.app-extension.messages-sticker-pack") ==
+        0)
+      return;
+  }
+
   // Add an empty source file to the target that compiles with the
   // linker language.  This should convince Xcode to choose the proper
   // language.
-- 
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