From c8fcac2765e0f79f0e7bb3a422a65698aec62536 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Ro=C5=BCniata?=
 <56474758+krozniata@users.noreply.github.com>
Date: Thu, 8 May 2025 02:12:45 -0700
Subject: [PATCH] fix(iOS): enable DEFINES_MODULE in `React-jsc` (#51160)

Summary:
Enables `DEFINES_MODULE` in `React-jsc.podspec`

After upgrading app to RN `0.79`, when installing pods with JSC enabled there is an error being thrown that

`The following Swift pods cannot yet be integrated as static libraries`
`The Swift pod 'RNFlashList' depends upon 'React-jsc', which does not define modules. ...`
when installing packages that use Swift

## Changelog:

[IOS] [CHANGED] -  enable `DEFINES_MODULE` in `React-jsc.podspec`

Pull Request resolved: https://github.com/facebook/react-native/pull/51160

Test Plan: RNTester runs and builds correctly

Reviewed By: huntie

Differential Revision: D74325357

Pulled By: cipolleschi

fbshipit-source-id: b994b7e678633440d5e362ae6965b2d5188d34f1
---
 packages/react-native/ReactCommon/jsc/React-jsc.podspec | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/react-native/ReactCommon/jsc/React-jsc.podspec b/packages/react-native/ReactCommon/jsc/React-jsc.podspec
index ed07e939fc9..22f3314a3be 100644
--- a/packages/react-native/ReactCommon/jsc/React-jsc.podspec
+++ b/packages/react-native/ReactCommon/jsc/React-jsc.podspec
@@ -32,6 +32,6 @@ Pod::Spec.new do |s|
   s.dependency "React-jsi", version
 
   s.subspec "Fabric" do |ss|
-    ss.pod_target_xcconfig  = { "OTHER_CFLAGS" => "$(inherited)" }
+    ss.pod_target_xcconfig  = { "OTHER_CFLAGS" => "$(inherited)", "DEFINES_MODULE" => "YES" }
   end
 end