CI: Build and test SerenityOS with the Clang toolchain on Azure

Meta/Azure/Caches.yml

@@ -6,6 +6,20 @@ parameters:
   ccache_version: 1 # Increment this number if CI has trouble with ccache.
 
 steps:
+  - ${{ if ne(parameters.arch, 'Lagom') }}:
+    - ${{ if eq(parameters.toolchain, 'gcc') }}:
+      - task: Cache@2
+        inputs:
+          key: '"toolchain" | "${{ parameters.arch }}" | Toolchain/BuildClang.sh | Userland/Libraries/LibC/**/*.h | Userland/Libraries/LibPthread/**/*.h'
+          path: $(Build.SourcesDirectory)/Toolchain/Cache
+        displayName: 'Toolchain Cache'
+    - ${{ if eq(parameters.toolchain, 'clang') }}:
+      - task: Cache@2
+        inputs:
+          key: '"toolchain" | "${{ parameters.arch }}" | Toolchain/BuildIt.sh | Userland/Libraries/LibC/**/*.h | Userland/Libraries/LibPthread/**/*.h'
+          path: $(Build.SourcesDirectory)/Toolchain/Cache
+        displayName: 'Toolchain Cache'
+
   - task: Cache@2
     inputs:
       key: '"ccache" | "${{ parameters.os }}" | "${{ parameters.arch }}" | "${{ parameters.toolchain }}" | "${{ parameters.ccache_version }}"'

Meta/Azure/Serenity.yml

@@ -0,0 +1,89 @@
+parameters:
+  arch: 'i686'
+
+jobs:
+  - job: 'Serenity_Clang_${{ parameters.arch }}'
+    timeoutInMinutes: 0 # Setting to 0 means the maximum allowed timeout is used.
+
+    variables:
+    - name: CCACHE_DIR
+      value: $(Build.SourcesDirectory)/.ccache
+
+    pool:
+      vmImage: ubuntu-20.04
+
+    steps:
+    - template: Setup.yml
+      parameters:
+        os: 'Serenity'
+
+    - template: Caches.yml
+      parameters:
+        arch: '${{ parameters.arch }}'
+        toolchain: 'clang'
+        build_directory: 'Build'
+
+    - script: ./Toolchain/BuildClang.sh
+      displayName: Build Toolchain
+      env:
+        TRY_USE_LOCAL_TOOLCHAIN: 'y'
+        ARCH: '${{ parameters.arch }}'
+
+    - script: |
+        mkdir -p Build
+      displayName: 'Create Build Directory'
+
+    - script: |
+        cmake -GNinja \
+          -DSERENITY_ARCH=${{ parameters.arch }} \
+          -DUSE_CLANG_TOOLCHAIN=ON \
+          -DENABLE_UNDEFINED_SANITIZER=ON \
+          -DENABLE_PCI_IDS_DOWNLOAD=OFF \
+          -DENABLE_USB_IDS_DOWNLOAD=OFF \
+          -DCMAKE_C_COMPILER=gcc-10 \
+          -DCMAKE_CXX_COMPILER=g++-10 \
+          ..
+      displayName: 'Create Build Environment'
+      workingDirectory: $(Build.SourcesDirectory)/Build
+
+    - script: |
+        cmake --build .
+      displayName: 'Build'
+      workingDirectory: $(Build.SourcesDirectory)/Build
+
+    - script: |
+        ninja install && ninja image
+      displayName: 'Create RootFS'
+      workingDirectory: $(Build.SourcesDirectory)/Build
+
+    - script: |
+        ninja run
+
+        echo "##[group]Verify Output File"
+        mkdir fsmount
+        sudo mount -t ext2 -o loop,rw _disk_image fsmount
+
+        echo "Results: "
+        sudo cat fsmount/home/anon/test-results.log
+        echo "##[endgroup]"
+
+        if ! sudo grep -q "Failed: 0" fsmount/home/anon/test-results.log
+        then
+          echo "##[error]:^( Tests failed, failing job"
+          exit 1
+        fi
+      displayName: 'Test'
+      workingDirectory: $(Build.SourcesDirectory)/Build
+      env:
+        SERENITY_QEMU_CPU: 'max,vmx=off'
+        SERENITY_KERNEL_CMDLINE: 'boot_mode=self-test'
+        SERENITY_RUN: 'ci'
+
+    - script: |
+        [ ! -e debug.log ] || cat debug.log
+      displayName: 'Print Target Logs'
+      workingDirectory: $(Build.SourcesDirectory)/Build
+
+    - script: |
+        ccache -s
+      displayName: 'Cache Stats'

Meta/Azure/Setup.yml

@@ -5,6 +5,13 @@ steps:
   - checkout: self
     persistCredentials: true
 
+  - ${{ if eq(parameters.os, 'Serenity') }}:
+    - script: |
+        sudo add-apt-repository ppa:canonical-server/server-backports
+        sudo apt-get update
+        sudo apt-get install libmpfr-dev libmpc-dev ninja-build e2fsprogs qemu-utils qemu-system-i386 ccache
+      displayName: 'Install Dependencies'
+
   - ${{ if eq(parameters.os, 'Linux') }}:
     - script: |
         sudo apt-get purge -y clang-11

azure-pipelines.yml

@@ -10,3 +10,11 @@ jobs:
     parameters:
       os: 'macOS'
       allow_test_failures: true
+
+  - template: Meta/Azure/Serenity.yml
+    parameters:
+      arch: 'i686'
+
+  - template: Meta/Azure/Serenity.yml
+    parameters:
+      arch: 'x86_64'