CI+Lagom: Add Lagom Android CI for arm64-v8a on NDK 24 with API level 30

This will let us validate that we aren't breaking any library compile
steps for arm64.

Meta/Azure/Caches.yml

@@ -9,6 +9,8 @@ parameters:
   toolchain_ccache_path: ''
   toolchain_ccache_size: $(CCACHE_MAXSIZE)
   with_remote_data_caches: true
+  ndk_version: ''
+  with_ndk_cache: false
 
 steps:
   - script: |
@@ -75,3 +77,13 @@ steps:
         key: '"unicode_locale" | Meta/CMake/unicode_data.cmake'
         path: $(Build.SourcesDirectory)/${{ parameters.build_directory }}/CLDR
       displayName: 'UnicodeLocale Cache'
+
+  - ${{ if eq(parameters.with_ndk_cache, true) }}:
+    - bash: |
+        echo "##vso[task.setvariable variable=ANDROID_SDK_ROOT;]$ANDROID_SDK_ROOT"
+      displayName: 'Set ANDROID_SDK_ROOT'
+    - task: Cache@2
+      inputs:
+        key: '"ndk" | "$(Agent.OS)" | "${{ parameters.ndk_version }}" '
+        path: $(ANDROID_SDK_ROOT)/ndk
+      displayName: 'Android NDK Cache'

Meta/Azure/Lagom.yml

@@ -12,7 +12,7 @@ jobs:
       value: $(Build.SourcesDirectory)/.ccache
 
     - name: job_pool
-      ${{ if eq(parameters.os, 'Linux') }}:
+      ${{ if or(eq(parameters.os, 'Linux'), eq(parameters.os, 'Android')) }}:
         value: ubuntu-22.04
       ${{ if eq(parameters.os, 'macOS') }}:
         value: macos-11
@@ -23,6 +23,9 @@ jobs:
       ${{ if eq(parameters.fuzzer, 'NoFuzz') }}:
         value: gcc
 
+    - name: ndk_version # only relevant for Android
+      value: '24.0.8215888'
+
     pool:
       vmImage: $(job_pool)
 
@@ -42,8 +45,38 @@ jobs:
           with_remote_data_caches: false
         ${{ if eq(parameters.fuzzer, 'NoFuzz') }}:
           with_remote_data_caches: true
+        ${{ if eq(parameters.os, 'Android') }}:
+          with_ndk_cache: true
+          ndk_version: '$(ndk_version)'
 
-    - ${{ if eq(parameters.fuzzer, 'Fuzz') }}:
+    - ${{ if eq(parameters.os, 'Android') }}:
+      - script: |
+          yes | $ANDROID_SDK_ROOT/tools/bin/sdkmanager "ndk;$(ndk_version)"
+        displayName: "Install NDK $(ndk_version)"
+
+      - script: |
+          cmake -GNinja -B tools-build \
+            -DBUILD_LAGOM=OFF \
+            -DENABLE_LAGOM_CCACHE=ON \
+            -DCMAKE_INSTALL_PREFIX=tool-install \
+            -Dpackage=LagomTools
+          ninja -C tools-build install
+          cmake -GNinja -B Build \
+            -DBUILD_LAGOM=ON \
+            -DENABLE_LAGOM_CCACHE=ON \
+            -DBUILD_SHARED_LIBS=OFF \
+            -DANDROID_ABI=arm64-v8a \
+            -DANDROID_NATIVE_API_LEVEL=30 \
+            -DANDROID_NDK=$ANDROID_SDK_ROOT/ndk/$(ndk_version) \
+            -DANDROID_STL=c++_shared \
+            -DCMAKE_TOOLCHAIN_FILE=$ANDROID_SDK_ROOT/ndk/$(ndk_version)/build/cmake/android.toolchain.cmake \
+            -DLagomTools_DIR=$(Build.SourcesDirectory)/Meta/Lagom/tool-install/share/LagomTools
+        displayName: 'Create Build Environment'
+        workingDirectory: $(Build.SourcesDirectory)/Meta/Lagom
+        env:
+          CCACHE_DIR: '$(SERENITY_CCACHE_DIR)'
+
+    - ${{ elseif eq(parameters.fuzzer, 'Fuzz') }}:
       - script: |
           cmake -GNinja -B tools-build \
               -DBUILD_LAGOM=OFF \
@@ -63,7 +96,7 @@ jobs:
         workingDirectory: $(Build.SourcesDirectory)/Meta/Lagom
         env:
           CCACHE_DIR: '$(SERENITY_CCACHE_DIR)'
-    - ${{ if eq(parameters.fuzzer, 'NoFuzz') }}:
+    - ${{ elseif eq(parameters.fuzzer, 'NoFuzz') }}:
       - script: |
           cmake -GNinja -B Build \
             -DBUILD_LAGOM=ON \
@@ -87,7 +120,7 @@ jobs:
       env:
         CCACHE_DIR: '$(SERENITY_CCACHE_DIR)'
 
-    - ${{ if eq(parameters.fuzzer, 'NoFuzz') }}:
+    - ${{ if and(eq(parameters.fuzzer, 'NoFuzz'), not(eq(parameters.os, 'Android')) ) }}:
       - script: |
           ninja test
         displayName: 'Test'

Meta/Azure/Setup.yml

@@ -35,3 +35,8 @@ steps:
     - script: |
         brew install ninja wabt ccache unzip
       displayName: 'Install Dependencies'
+
+  - ${{ if eq(parameters.os, 'Android') }}:
+    - script: |
+        sudo apt-get install ccache ninja-build unzip
+      displayName: 'Install Dependencies'

Meta/Azure/nightly-pipeline.yml

@@ -24,3 +24,10 @@ stages:
         parameters:
           arch: 'x86_64'
           coverage: 'ON'
+
+  - stage: Lagom_Android
+    dependsOn: []
+    jobs:
+      - template: Lagom.yml
+        parameters:
+          os: 'Android'

Meta/Lagom/CMakeLists.txt

@@ -564,7 +564,7 @@ if (BUILD_LAGOM)
     lagom_lib(XML xml
         SOURCES ${LIBXML_SOURCES})
 
-    if (NOT ENABLE_FUZZERS AND NOT ENABLE_COMPILER_EXPLORER_BUILD)
+    if (NOT ENABLE_FUZZERS AND NOT ENABLE_COMPILER_EXPLORER_BUILD AND NOT ANDROID)
         # Lagom Services
         add_subdirectory("${SERENITY_PROJECT_ROOT}/Userland/Services" "${CMAKE_CURRENT_BINARY_DIR}/Services")