- 27 Sep, 2023 1 commit
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Daco Harkes authored
Support for FFI calls with `@Native external` functions through Native assets on Windows. This enables bundling native code without any build-system boilerplate code. For more info see: * https://github.com/flutter/flutter/issues/129757 ### Implementation details for Windows. Mainly follows the design of https://github.com/flutter/flutter/pull/134031. Specifically for Windows in this PR is the logic for finding the compiler `cl.exe` and environment variables that contain the paths to the Windows headers `vcvars.bat` based on `vswhere.exe`.
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- 26 Sep, 2023 1 commit
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- 22 Sep, 2023 1 commit
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Daco Harkes authored
Reland of #134031. (Reverted in #135069.) Contains the fix for b/301051367 together with cl/567233346. Support for FFI calls with `@Native external` functions through Native assets on Linux. This enables bundling native code without any build-system boilerplate code. For more info see: * https://github.com/flutter/flutter/issues/129757 ### Implementation details for Linux. Mainly follows the design of https://github.com/flutter/flutter/pull/130494. Some differences are: * Linux does not support cross compiling or compiling for multiple architectures, so this has not been implemented. * Linux has no add2app. The assets copying is done in the install-phase of the CMake build of a flutter app. CMake requires the native assets folder to exist, so we create it also when the feature is disabled or there are no assets. ### Tests This PR adds new tests to cover the various use cases. * packages/flutter_tools/test/general.shard/linux/native_assets_test.dart * Unit tests the Linux-specific part of building native assets. It also extends various existing tests: * packages/flutter_tools/test/integration.shard/native_assets_test.dart * Runs (incl hot reload/hot restart), builds, builds frameworks for Linux and flutter-tester.
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- 20 Sep, 2023 1 commit
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Xilai Zhang authored
Reverts flutter/flutter#134031 context: b/301051367 Looked at the error message from the broken TAP target, but seems like the failure might be non trivial to resolve. Would it be okay if we revert this for now while it is being triaged?
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- 18 Sep, 2023 1 commit
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Daco Harkes authored
Support for FFI calls with `@Native external` functions through Native assets on Linux. This enables bundling native code without any build-system boilerplate code. For more info see: * https://github.com/flutter/flutter/issues/129757 ### Implementation details for Linux. Mainly follows the design of https://github.com/flutter/flutter/pull/130494. Some differences are: * Linux does not support cross compiling or compiling for multiple architectures, so this has not been implemented. * Linux has no add2app. The assets copying is done in the install-phase of the CMake build of a flutter app. CMake requires the native assets folder to exist, so we create it also when the feature is disabled or there are no assets. ### Tests This PR adds new tests to cover the various use cases. * packages/flutter_tools/test/general.shard/linux/native_assets_test.dart * Unit tests the Linux-specific part of building native assets. It also extends various existing tests: * packages/flutter_tools/test/integration.shard/native_assets_test.dart * Runs (incl hot reload/hot restart), builds, builds frameworks for Linux and flutter-tester.
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- 15 Sep, 2023 1 commit
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Daco Harkes authored
Speeds up the native assets target in the backend by 1. changing other targets `gen_dart_plugin_registrant` and `release_unpack_ios` to do async I/O, 2. not reparsing the package config, and 3. not calling `dart pub deps --json` for 0 or 1 packages (fixed package:native_assets_builder). * https://github.com/flutter/flutter/issues/134427 ``` [ +2 ms] native_assets: Starting due to {} [ +2 ms] Skipping target: gen_localizations [ +1 ms] gen_dart_plugin_registrant: Starting due to {InvalidatedReasonKind.inputChanged: The following inputs have updated contents: /Users/dacoharkes/flt/engine/flutter/examples/hello_world/.dart_tool/package_config_subset} [ +33 ms] gen_dart_plugin_registrant: Complete [ +107 ms] release_unpack_ios: Complete [ +60 ms] Writing native_assets.yaml. [ +7 ms] Writing /Users/dacoharkes/flt/engine/flutter/examples/hello_world/.dart_tool/flutter_build/be2692bbfbc0b9a27fcd2422d52354c6/native_assets.yaml done. [ ] native_assets: Complete ``` -> ``` [ +4 ms] native_assets: Starting due to {} [ ] Skipping target: gen_localizations [ +1 ms] gen_dart_plugin_registrant: Starting due to {InvalidatedReasonKind.inputChanged: The following inputs have updated contents: /Users/dacoharkes/flt/engine/flutter/examples/hello_world/.dart_tool/package_config_subset} [ +31 ms] Writing native_assets.yaml. [ +8 ms] Writing /Users/dacoharkes/flt/engine/flutter/examples/hello_world/.dart_tool/flutter_build/f9451a65a465bfab70d004e21d6cc1d6/native_assets.yaml done. [ +1 ms] native_assets: Complete ``` ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [ ] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] All existing and new tests are passing. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/wiki/Tree-hygiene#overview [Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene [test-exempt]: https://github.com/flutter/flutter/wiki/Tree-hygiene#tests [Flutter Style Guide]: https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo [Features we expect every widget to implement]: https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/wiki/Tree-hygiene#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/wiki/Chat
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- 10 Sep, 2023 1 commit
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Daco Harkes authored
Support for FFI calls with `@Native external` functions through Native assets on MacOS and iOS. This enables bundling native code without any build-system boilerplate code. For more info see: * https://github.com/flutter/flutter/issues/129757 ### Implementation details for MacOS and iOS. Dylibs are bundled by (1) making them fat binaries if multiple architectures are targeted, (2) code signing these, and (3) copying them to the frameworks folder. These steps are done manual rather than via CocoaPods. CocoaPods would have done the same steps, but (a) needs the dylibs to be there before the `xcodebuild` invocation (we could trick it, by having a minimal dylib in the place and replace it during the build process, that works), and (b) can't deal with having no dylibs to be bundled (we'd have to bundle a dummy dylib or include some dummy C code in the build file). The dylibs are build as a new target inside flutter assemble, as that is the moment we know what build-mode and architecture to target. The mapping from asset id to dylib-path is passed in to every kernel compilation path. The interesting case is hot-restart where the initial kernel file is compiled by the "inner" flutter assemble, while after hot restart the "outer" flutter run compiled kernel file is pushed to the device. Both kernel files need to contain the mapping. The "inner" flutter assemble gets its mapping from the NativeAssets target which builds the native assets. The "outer" flutter run get its mapping from a dry-run invocation. Since this hot restart can be used for multiple target devices (`flutter run -d all`) it contains the mapping for all known targets. ### Example vs template The PR includes a new template that uses the new native assets in a package and has an app importing that. Separate discussion in: https://github.com/flutter/flutter/issues/131209. ### Tests This PR adds new tests to cover the various use cases. * dev/devicelab/bin/tasks/native_assets_ios.dart * Runs an example app with native assets in all build modes, doing hot reload and hot restart in debug mode. * dev/devicelab/bin/tasks/native_assets_ios_simulator.dart * Runs an example app with native assets, doing hot reload and hot restart. * packages/flutter_tools/test/integration.shard/native_assets_test.dart * Runs (incl hot reload/hot restart), builds, builds frameworks for iOS, MacOS and flutter-tester. * packages/flutter_tools/test/general.shard/build_system/targets/native_assets_test.dart * Unit tests the new Target in the backend. * packages/flutter_tools/test/general.shard/ios/native_assets_test.dart * packages/flutter_tools/test/general.shard/macos/native_assets_test.dart * Unit tests the native assets being packaged on a iOS/MacOS build. It also extends various existing tests: * dev/devicelab/bin/tasks/module_test_ios.dart * Exercises the add2app scenario. * packages/flutter_tools/test/general.shard/features_test.dart * Unit test the new feature flag.
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