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[build][Android] Skip building Swift Syntax into the compiler #68895

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Merged
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Oct 3, 2023
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[build][Android] Skip building Swift Syntax into the compiler #68895

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16 changes: 8 additions & 8 deletions docs/Android.md
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,7 @@ To follow along with this guide, you'll need:
instructions in the Swift project README.
2. The latest build of the Swift compiler for your Linux distro, available at
https://www.swift.org/download/ or sometimes your distro package manager.
3. The latest version of the Android LTS NDK (r25b at the time of this writing),
3. The latest version of the Android LTS NDK (r25c at the time of this writing),
available to download here:
https://developer.android.com/ndk/downloads
4. An Android device with remote debugging enabled or the emulator. We require
Expand All @@ -54,9 +54,9 @@ and the prebuilt Swift toolchain (add --skip-early-swift-driver if you already
have a Swift toolchain in your path):

```
$ NDK_PATH=path/to/android-ndk-r25b
$ SWIFT_PATH=path/to/swift-DEVELOPMENT-SNAPSHOT-2022-05-31-a-ubuntu20.04/usr/bin
$ git checkout swift-DEVELOPMENT-SNAPSHOT-2022-05-31-a
$ NDK_PATH=path/to/android-ndk-r25c
$ SWIFT_PATH=path/to/swift-DEVELOPMENT-SNAPSHOT-2023-09-30-a-ubuntu20.04/usr/bin
$ git checkout swift-DEVELOPMENT-SNAPSHOT-2023-09-30-a
$ utils/build-script \
-R \ # Build in ReleaseAssert mode.
--android \ # Build for Android.
Expand All @@ -83,8 +83,8 @@ Then use the standalone Swift stdlib from the previous step to compile a Swift
source file, targeting Android:

```
$ NDK_PATH="path/to/android-ndk-r25b"
$ SWIFT_PATH=path/to/swift-DEVELOPMENT-SNAPSHOT-2022-05-31-a-ubuntu20.04/usr/bin
$ NDK_PATH="path/to/android-ndk-r25c"
$ SWIFT_PATH=path/to/swift-DEVELOPMENT-SNAPSHOT-2023-09-30-a-ubuntu20.04/usr/bin
$ $SWIFT_PATH/swiftc \ # The prebuilt Swift compiler you downloaded
# The location of the tools used to build Android binaries
-tools-directory ${NDK_PATH}/toolchains/llvm/prebuilt/linux-x86_64/bin/ \
Expand Down Expand Up @@ -133,7 +133,7 @@ $ adb push build/Ninja-ReleaseAssert/swift-linux-x86_64/lib/swift/android/libBlo
In addition, you'll also need to copy the Android NDK's libc++:

```
$ adb push /path/to/android-ndk-r25b/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/aarch64-linux-android/libc++_shared.so /data/local/tmp
$ adb push /path/to/android-ndk-r25c/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/aarch64-linux-android/libc++_shared.so /data/local/tmp
```

Finally, you'll need to copy the `hello` executable you built in the
Expand Down Expand Up @@ -176,7 +176,7 @@ $ utils/build-script \
-R \ # Build in ReleaseAssert mode.
-T \ # Run all tests, including on the Android device (add --host-test to only run Android tests on the Linux host).
--android \ # Build for Android.
--android-ndk ~/android-ndk-r25b \ # Path to an Android NDK.
--android-ndk ~/android-ndk-r25c \ # Path to an Android NDK.
--android-arch aarch64 \ # Optionally specify Android architecture, alternately armv7
--android-api-level 21
```
Expand Down
1 change: 1 addition & 0 deletions utils/build-presets.ini
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Expand Up @@ -992,6 +992,7 @@ install-swiftsyntax

skip-test-linux
skip-build-benchmarks
skip-early-swiftsyntax

reconfigure

Expand Down