Exclude `i386` from valid architectures when building with Hermes on iOS (#30592)
Summary: When building React Native application in Release mode for an iPhone Simulator _and_ targeting `armv7`, Xcode will build all architectures (due to `ONLY_ACTIVE_ARCH` set to `false`, unlike in Debug mode). As a result, Xcode will try building for `i386` (32-bit iPhone Simulator), which fails as we don’t build Hermes binaries for `i386`. Fix is to disable `i386`, since it is not supported by `Hermes` and certain `Folly` features. ## Changelog [IOS] [BREAKING] - `i386` architecture will be automatically disabled when Hermes is being used. This might be potentially breaking for your workflow if you target `armv7` devices, as you will no longer be able to test on the simulator. [IOS] [FEATURE] - Replace `flipper_post_install` with `react_native_post_install` hook. Will automatically detect if Flipper is enabled. Pull Request resolved: https://github.com/facebook/react-native/pull/30592 Test Plan: Run React Native application with Hermes enabled (or Flipper) in Release mode and it should work just fine. Reviewed By: appden Differential Revision: D25564738 Pulled By: TheSavior fbshipit-source-id: e786ab73fb0a77de5869cf9e5999726c7d29f1d4
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@ -98,6 +98,10 @@ def use_flipper!(versions = {}, configurations: ['Debug'])
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pod 'FlipperKit/FlipperKitNetworkPlugin', versions['Flipper'], :configurations => configurations
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pod 'FlipperKit/FlipperKitNetworkPlugin', versions['Flipper'], :configurations => configurations
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end
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end
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def has_pod(installer, name)
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installer.pods_project.pod_group(name) != nil
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end
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# Post Install processing for Flipper
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# Post Install processing for Flipper
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def flipper_post_install(installer)
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def flipper_post_install(installer)
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installer.pods_project.targets.each do |target|
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installer.pods_project.targets.each do |target|
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@ -109,7 +113,7 @@ def flipper_post_install(installer)
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end
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end
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end
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end
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def react_native_post_install(installer)
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def exclude_architectures(installer)
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projects = installer.aggregate_targets
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projects = installer.aggregate_targets
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.map{ |t| t.user_project }
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.map{ |t| t.user_project }
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.uniq{ |p| p.path }
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.uniq{ |p| p.path }
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@ -117,15 +121,26 @@ def react_native_post_install(installer)
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arm_value = `/usr/sbin/sysctl -n hw.optional.arm64 2>&1`.to_i
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arm_value = `/usr/sbin/sysctl -n hw.optional.arm64 2>&1`.to_i
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# Hermes does not support `i386` architecture
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excluded_archs_default = has_pod(installer, 'hermes-engine') ? "i386" : ""
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projects.each do |project|
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projects.each do |project|
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project.build_configurations.each do |config|
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project.build_configurations.each do |config|
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if arm_value == 1 then
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if arm_value == 1 then
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config.build_settings.delete("EXCLUDED_ARCHS[sdk=iphonesimulator*]")
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config.build_settings["EXCLUDED_ARCHS[sdk=iphonesimulator*]"] = excluded_archs_default
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else
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else
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config.build_settings["EXCLUDED_ARCHS[sdk=iphonesimulator*]"] = "arm64"
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config.build_settings["EXCLUDED_ARCHS[sdk=iphonesimulator*]"] = "arm64 " + excluded_archs_default
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end
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end
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end
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end
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project.save()
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project.save()
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end
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end
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end
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end
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def react_native_post_install(installer)
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if has_pod(installer, 'Flipper')
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flipper_post_install(installer)
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end
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exclude_architectures(installer)
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end
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@ -25,10 +25,5 @@ target 'HelloWorld' do
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post_install do |installer|
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post_install do |installer|
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react_native_post_install(installer)
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react_native_post_install(installer)
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# Enables Flipper.
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#
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# Disable the next line if you are not using Flipper.
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flipper_post_install(installer)
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end
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end
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end
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end
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