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Following up on swiftlang/github-workflows#106 and swiftlang/swift#80788, this PR contains a new swift-docker/swift-ci/sdks/android/ folder with scripts that will build and upload a full stand-alone Swift Android Swift SDK. It is modeled after the structure of the swift-ci/sdks/static-linux build scripts.

Running

The top-level ./build script installs a host toolchain and the Android NDK, and then invokes scripts/fetch-source.sh which will fetch tagged sources for libxml2, curl, boringssl, and swift.

It then applies some patches and invokes scripts/build.sh, which will build the sources for each of the specified architectures. Finally, it combines the NDK and the newly built SDKs into a single artifactbundle.

Specifying Architectures

By default all the supported Android architectures (aarch64, x86_64, aarmv7) will be built, but this can be reduced in order to speed up the build. This can be useful, e.g., as part of a CI that validates a pull request, as building a single architecture takes around 30 minutes on a standard ubuntu-24.04 GitHub runner, whereas building for all the architectures takes over an hour.

To build an artifactbundle for just the x86_64 architecture, run:

TARGET_ARCHS=x86_64 ./build

Installing and validating the SDK

The .github/workflows/pull_request.yml workflow will create and upload an installable SDK named something like: swift-6.1-RELEASE_android-0.1.artifactbundle.tar.gz. The results of one of the workflow runs can be seen at https://github.com/swift-android-sdk/swift-docker/actions/runs/14603885089

The workflow will also install the SDK locally and use swift-android-action to build and test various Swift packages in an Android emulator.

marcprux and others added 5 commits March 31, 2025 14:28
* Build Android image

* Checkout without ssh

* Retry build if it fails

* Swift 6.1 Release Dockerfiles (swiftlang#456)

* Change binutils-gold package dependency on Debian 12 to binutils (swiftlang#457)

* Update installed packages after nightly platform expansion (swiftlang#458)

* update nightly-6.1 dependencies

* update nightly-main dependencies

* fix ubuntu images

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Fedora 41 Dockerfile (swiftlang#464)

* Build Android image

* Build Android image

* Swift 6.1 Release Dockerfiles (swiftlang#456)

* Change binutils-gold package dependency on Debian 12 to binutils (swiftlang#457)

* Build Android image

* Build Android image

* Build Android image

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

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* Android SDK build

* Android SDK build

* Android SDK build

* Android SDK build

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* Android SDK build

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* Android SDK build

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* Android SDK build

* Android SDK build

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* Android SDK build

* Android SDK build

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* Swift Androd build

* Swift Androd build

* Swift Androd build

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* Swift Androd build

* Swift Androd build

* Swift Androd build

* Swift Androd build

* Swift Androd build

* Swift Android build

* Swift Android build

* Swift Android build

* Swift Android build

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Co-authored-by: Mishal Shah <[email protected]>
Co-authored-by: Chris McGee <[email protected]>
Co-authored-by: Justice Adams <[email protected]>
Co-authored-by: Andrew Sukach <[email protected]>
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