Android SDK build

Author: marcprux

.github/workflows/pull_request.yml

@@ -25,22 +25,21 @@ jobs:
    static-linux-build:
      name: Build Static Linux image
      runs-on: ubuntu-latest
+     if: false
      steps:
       - name: Checkout repository
         uses: actions/checkout@v4
       - name: Build Docker images
         working-directory: swift-ci/sdks/static-linux
-        # need 2 since the initial checkout sometimes fails
-        run: ./build || ./build
+        run: ./build
 
    android-build:
-     name: Build Android image
-     runs-on: ubuntu-latest
-     if: false
+     name: Build Android SDK
+     runs-on: ubuntu-24.04
      steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Build Docker images
+      - name: Build Android SDK
         working-directory: swift-ci/sdks/android
         run: ./build
 

swift-ci/sdks/android/build

@@ -0,0 +1,37 @@
+#!/bin/bash -ex
+# Swift Android SDK: Top-level Build Script
+
+SDKROOT=${TMPDIR:-/tmp}/swift-android-sdk
+
+mkdir -p ${SDKROOT}/products
+
+# Check-out the sources
+if [[ ! -d ${SDKROOT}/src ]]; then
+    scripts/fetch-source.sh --source-dir ${SDKROOT}/src
+fi
+
+mkdir -p ${SDKROOT}
+
+export ANDROID_NDK_HOME=${SDKROOT}/ndk/android-ndk-r27c
+export ANDROID_NDK=${ANDROID_NDK_HOME}
+
+if [[ ! -d ${ANDROID_NDK_HOME} ]]; then
+    mkdir -p $(dirname ${ANDROID_NDK_HOME})
+    pushd $(dirname ${ANDROID_NDK_HOME})
+    wget https://dl.google.com/android/repository/$(basename $ANDROID_NDK_HOME).zip
+    unzip $(basename $ANDROID_NDK_HOME).zip
+    popd
+fi
+
+if [[ ! -d ${SDKROOT}/src ]]; then
+    ./scripts/fetch-source.sh --source-dir ${SDKROOT}/src
+fi
+
+HOST_TOOLCHAIN=${HOST_TOOLCHAIN:-$(dirname $(dirname $(which swiftc)))}
+#HOST_TOOLCHAIN=${HOST_TOOLCHAIN:-${HOME}/.local/share/swiftly/toolchains/6.1.0/usr}
+
+ARCH=aarch64
+#ARCH=x86_64
+./scripts/build.sh --products-dir ${SDKROOT}/prod --source-dir ${SDKROOT}/src --build-dir ${SDKROOT}/build --ndk-home ${ANDROID_NDK_HOME} --host-toolchain ${HOST_TOOLCHAIN} --archs $ARCH
+
+