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Use modern Podfile syntax to avoid polluting application build settings #903

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@yhkaplan yhkaplan commented Jan 24, 2023

Summary

Fixes conflicts in pod build settings like the one below:

Example warning

Can't merge user_target_xcconfig for pod targets: ["RNReanimated", "hermes-engine"]. Singular build setting CLANG_CXX_LANGUAGE_STANDARD has different values.

Background:

The former attribute xcconfig is deprecated and will cause a linter error when pushing new versions to trunk. The new attributes are available as pod_target_xcconfig and user_target_xcconfig, which makes their effects more clear. The latter attribute (user_target_xcconfig) should be used with great care, because well designed Pods should be self-contained and make as few assumptions about their environment as possible. Furthermore, this attribute can cause conflicts when different values are specified by two Pods for a build setting which doesn't allow multiple values and so cannot be merged.

Test Plan

Build in ApplePlatformsIntegrationMacTests

Related PR

Example warning
```
Can't merge user_target_xcconfig for pod targets: ["RNReanimated", "hermes-engine"]. Singular build setting CLANG_CXX_LANGUAGE_STANDARD has different values.
```

Background:

> The former attribute xcconfig is deprecated and will cause a linter error when pushing new versions to trunk. The new attributes are available as pod_target_xcconfig and user_target_xcconfig, which makes their effects more clear. The latter attribute (user_target_xcconfig) should be used with great care, because well designed Pods should be self-contained and make as few assumptions about their environment as possible. Furthermore, this attribute can cause conflicts when different values are specified by two Pods for a build setting which doesn't allow multiple values and so cannot be merged.
- https://blog.cocoapods.org/CocoaPods-0.38/
@facebook-github-bot facebook-github-bot added the CLA Signed Do not delete this pull request or issue due to inactivity. label Jan 24, 2023
@yhkaplan yhkaplan marked this pull request as draft January 24, 2023 20:41
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Hmm, probably need HERMES_ENABLE_DEBUGGER in test app

Testing failed:
	No type named 'DebugFlags' in 'facebook::hermes::HermesRuntime'
	No member named 'debugJavaScript' in 'facebook::hermes::HermesRuntime'
	Testing cancelled because the build failed.

** TEST FAILED **

facebook-github-bot pushed a commit to facebook/react-native that referenced this pull request Jan 25, 2023
…gs (#35954)

Summary:
Fixes conflicts in pod build settings like the one below:

Example warning
> Can't merge user_target_xcconfig for pod targets: ["RNReanimated", "hermes-engine"]. Singular build setting CLANG_CXX_LANGUAGE_STANDARD has different values.

Background:

> The former attribute xcconfig is deprecated and will cause a linter error when pushing new versions to trunk. The new attributes are available as pod_target_xcconfig and user_target_xcconfig, which makes their effects more clear. The latter attribute (user_target_xcconfig) should be used with great care, because well designed Pods should be self-contained and make as few assumptions about their environment as possible. Furthermore, this attribute can cause conflicts when different values are specified by two Pods for a build setting which doesn't allow multiple values and so cannot be merged.
- https://blog.cocoapods.org/CocoaPods-0.38/

## Changelog

<!-- Help reviewers and the release process by writing your own changelog entry.

Pick one each for the category and type tags:

[IOS] [FIXED] - Fix cocoapods warning about merging user_target_xcconfig

-->

Pull Request resolved: #35954

Test Plan:
- Run in example app

## Related PR

- facebook/hermes#903

Reviewed By: christophpurrer

Differential Revision: D42737921

Pulled By: jacdebug

fbshipit-source-id: 75d087a5287e660a703342d6e0ad6632f05f3c4c
OlimpiaZurek pushed a commit to OlimpiaZurek/react-native that referenced this pull request May 22, 2023
…gs (facebook#35954)

Summary:
Fixes conflicts in pod build settings like the one below:

Example warning
> Can't merge user_target_xcconfig for pod targets: ["RNReanimated", "hermes-engine"]. Singular build setting CLANG_CXX_LANGUAGE_STANDARD has different values.

Background:

> The former attribute xcconfig is deprecated and will cause a linter error when pushing new versions to trunk. The new attributes are available as pod_target_xcconfig and user_target_xcconfig, which makes their effects more clear. The latter attribute (user_target_xcconfig) should be used with great care, because well designed Pods should be self-contained and make as few assumptions about their environment as possible. Furthermore, this attribute can cause conflicts when different values are specified by two Pods for a build setting which doesn't allow multiple values and so cannot be merged.
- https://blog.cocoapods.org/CocoaPods-0.38/

## Changelog

<!-- Help reviewers and the release process by writing your own changelog entry.

Pick one each for the category and type tags:

[IOS] [FIXED] - Fix cocoapods warning about merging user_target_xcconfig

-->

Pull Request resolved: facebook#35954

Test Plan:
- Run in example app

## Related PR

- facebook/hermes#903

Reviewed By: christophpurrer

Differential Revision: D42737921

Pulled By: jacdebug

fbshipit-source-id: 75d087a5287e660a703342d6e0ad6632f05f3c4c
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