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add SWIFT_ENABLE_EXPLICIT_MODULES to xcode 26 (#53457)

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Summary:
XCode 26 introduces building explicit swift modules turned on (SWIFT_ENABLE_EXPLICIT_MODULES). This breaks building with precompiled binaries.

This commit fixes this by adding a step when not building from source where we explicitly set the `SWIFT_ENABLE_EXPLICIT_MODULES` flag to `NO`.

## Changelog:

[IOS] [FIXED] - Added setting SWIFT_ENABLE_EXPLICIT_MODULES=NO when using precompiled to support Xcode 26

Pull Request resolved: https://github.com/facebook/react-native/pull/53457

Test Plan:
```bash
npx react-native-community/cli init MyApp --version nightly --skip-install
cd MyApp
yarn
cd ios
bundle install
RCT_USE_RN_DEP=1 RCT_USE_PREBUILT_RNCORE=1 bundle exec pod install
```

Build above app with Xcode 26 and verify that it no longer fails

Reviewed By: motiz88

Differential Revision: D81025367

Pulled By: cipolleschi

fbshipit-source-id: 1db7c4d7de07d62f43b355aa784d7d9de478023c
This commit is contained in:
Christian Falch
2025-08-27 09:42:24 +00:00
committed by React Native Bot
parent e6e814cfc5
commit fcb86cca4e
1 changed files with 7 additions and 0 deletions
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packages/react-native/scripts/react_native_pods.rb
+7
View File
@@ -497,6 +497,13 @@ def react_native_post_install(
ReactNativePodsUtils.updateOSDeploymentTarget(installer)
ReactNativePodsUtils.set_dynamic_frameworks_flags(installer)
ReactNativePodsUtils.add_ndebug_flag_to_pods_in_release(installer)
if !ReactNativeCoreUtils.build_rncore_from_source()
# In XCode 26 we need to revert the new setting SWIFT_ENABLE_EXPLICIT_MODULES when building
# with precompiled binaries.
ReactNativePodsUtils.set_build_setting(installer, build_setting: "SWIFT_ENABLE_EXPLICIT_MODULES", value: "NO")
end
SPM.apply_on_post_install(installer)
if privacy_file_aggregation_enabled