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Fix pod install for swift libs using new arch (#38121)
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Summary:
This fixes a bug that started with React Native 0.72.0 when using the new architecture and installing a native lib that has Swift code (in my case, `datadog/mobile-react-native`).

Running `pod install` errors with the following output (`DatadogSDKReactNative` is the pod containing the Swift code):

```
[...]
Analyzing dependencies
Downloading dependencies
Installing DatadogSDKReactNative 1.8.0-rc0
[!] The following Swift pods cannot yet be integrated as static libraries:

The Swift pod `DatadogSDKReactNative` depends upon `React-Fabric`, `React-graphics`, `React-utils`, and `React-debug`, which do not define modules. To opt into those targets generating module maps (which is necessary to import them from Swift when building as static libraries), you may set `use_modular_headers!` globally in your Podfile, or specify `:modular_headers => true` for particular dependencies.
```

Indeed, this pods were added as dependencies in `packages/react-native/scripts/cocoapods/new_architecture.rb` but do not define modules contrary to the other pods in the list.

This PR is solving a problem that already occured in the past and was solved here: #33743
It's a new implementation for the PR initially opened here: #38039

## Changelog:
[IOS] [FIXED] - Fix pod install for libraries using Swift code when the new architecture is enabled

Pull Request resolved: #38121

Test Plan:
1. Clone [this](https://github.com/louiszawadzki/react-native) repo
2. From `main`, add a Swift file to the `MyNativeView` native module in the RN tester app (see inspiration from [this commit](fortmarek@26958fc))
3. Try to run `RCT_NEW_ARCH_ENABLED=1 USE_HERMES=0 bundle exec pod install` inside the `packages/rn-tester`
4. Observe errors
5. Apply [the commit](7b7c3ff) from this PR
6. Both pod install and the subsequent build should succeed.
7. Revert the changes and repeat steps 2 to 6 with `RCT_NEW_ARCH_ENABLED=1 USE_HERMES=1 bundle exec pod install`

Reviewed By: cortinico

Differential Revision: D47127854

Pulled By: cipolleschi

fbshipit-source-id: bf7f65e0d126195a76a0fafbe2f3172f00d5adc1

# Conflicts:
#	packages/react-native/ReactCommon/react/renderer/debug/React-rendererdebug.podspec
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louiszawadzki authored and kelset committed Jul 10, 2023
1 parent e250676 commit 7a4ae79
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Showing 6 changed files with 13 additions and 8 deletions.
3 changes: 2 additions & 1 deletion packages/react-native/ReactCommon/React-Fabric.podspec
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,8 @@ Pod::Spec.new do |s|
s.source = source
s.source_files = "dummyFile.cpp"
s.pod_target_xcconfig = { "USE_HEADERMAP" => "YES",
"CLANG_CXX_LANGUAGE_STANDARD" => "c++17" }
"CLANG_CXX_LANGUAGE_STANDARD" => "c++17",
"DEFINES_MODULE" => "YES" }

if ENV['USE_FRAMEWORKS']
s.header_mappings_dir = './'
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3 changes: 2 additions & 1 deletion packages/react-native/ReactCommon/jsi/React-jsi.podspec
Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,8 @@ Pod::Spec.new do |s|

s.header_dir = "jsi"
s.compiler_flags = folly_compiler_flags + ' ' + boost_compiler_flags
s.pod_target_xcconfig = { "HEADER_SEARCH_PATHS" => "\"$(PODS_ROOT)/boost\" \"$(PODS_ROOT)/RCT-Folly\" \"$(PODS_ROOT)/DoubleConversion\"" }
s.pod_target_xcconfig = { "HEADER_SEARCH_PATHS" => "\"$(PODS_ROOT)/boost\" \"$(PODS_ROOT)/RCT-Folly\" \"$(PODS_ROOT)/DoubleConversion\"",
"DEFINES_MODULE" => "YES" }

s.dependency "boost", "1.76.0"
s.dependency "DoubleConversion"
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,8 @@ Pod::Spec.new do |s|
s.source = source
s.source_files = "**/*.{cpp,h}"
s.header_dir = "react/debug"
s.pod_target_xcconfig = { "CLANG_CXX_LANGUAGE_STANDARD" => "c++17" }
s.pod_target_xcconfig = { "CLANG_CXX_LANGUAGE_STANDARD" => "c++17",
"DEFINES_MODULE" => "YES" }

if ENV['USE_FRAMEWORKS']
s.module_name = "React_debug"
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,9 @@ Pod::Spec.new do |s|
header_search_paths = header_search_paths + ["\"$(PODS_TARGET_SRCROOT)/platform/ios\""]
end

s.pod_target_xcconfig = { "USE_HEADERMAP" => "NO", "HEADER_SEARCH_PATHS" => header_search_paths.join(" ") }
s.pod_target_xcconfig = { "USE_HEADERMAP" => "NO",
"HEADER_SEARCH_PATHS" => header_search_paths.join(" "),
"DEFINES_MODULE" => "YES" }

s.dependency "glog"
s.dependency "RCT-Folly/Fabric", folly_version
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Original file line number Diff line number Diff line change
Expand Up @@ -42,9 +42,9 @@ Pod::Spec.new do |s|
s.compiler_flags = folly_compiler_flags
s.header_dir = "react/utils"
s.exclude_files = "tests"
s.pod_target_xcconfig = {
"CLANG_CXX_LANGUAGE_STANDARD" => "c++17",
"HEADER_SEARCH_PATHS" => header_search_paths.join(' ')}
s.pod_target_xcconfig = { "CLANG_CXX_LANGUAGE_STANDARD" => "c++17",
"HEADER_SEARCH_PATHS" => header_search_paths.join(' '),
"DEFINES_MODULE" => "YES" }

if ENV['USE_FRAMEWORKS']
s.module_name = "React_utils"
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2 changes: 1 addition & 1 deletion packages/react-native/scripts/react_native_pods.rb
Original file line number Diff line number Diff line change
Expand Up @@ -139,7 +139,7 @@ def use_react_native! (
pod 'Yoga', :path => "#{prefix}/ReactCommon/yoga", :modular_headers => true

pod 'DoubleConversion', :podspec => "#{prefix}/third-party-podspecs/DoubleConversion.podspec"
pod 'glog', :podspec => "#{prefix}/third-party-podspecs/glog.podspec"
pod 'glog', :podspec => "#{prefix}/third-party-podspecs/glog.podspec", :modular_headers => true
pod 'boost', :podspec => "#{prefix}/third-party-podspecs/boost.podspec"
pod 'RCT-Folly', :podspec => "#{prefix}/third-party-podspecs/RCT-Folly.podspec", :modular_headers => true

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