[ci] Add gen_snapshot artifacts

.github/workflows/build.yml

@@ -81,15 +81,13 @@ jobs:
         if: matrix.os == 'host'
         with:
           name: host-${{ matrix.arch }}-${{ matrix.mode }}
-          path: |
-            src/out/${{ env.OUTPUT_NAME }}/*_unittests
+          path: src/out/${{ env.OUTPUT_NAME }}/*_unittests
 
       - uses: actions/upload-artifact@v2
         if: matrix.os == 'linux'
         with:
           name: tizen-${{ matrix.arch }}-${{ matrix.mode }}
-          path: |
-            src/out/${{ env.OUTPUT_NAME }}/libflutter_*.so
+          path: src/out/${{ env.OUTPUT_NAME }}/libflutter_*.so
 
       - uses: actions/upload-artifact@v2
         if: matrix.arch == 'arm' && matrix.mode == 'release'
@@ -101,6 +99,124 @@ jobs:
             src/out/linux_release_arm/cpp_client_wrapper
             !src/out/linux_release_arm/cpp_client_wrapper/engine_method_result.cc
 
+      - uses: actions/upload-artifact@v2
+        if: (matrix.arch == 'arm' || matrix.arch == 'arm64') && (matrix.mode == 'release' || matrix.mode == 'profile')
+        with:
+          name: tizen-${{ matrix.arch }}-${{ matrix.mode }}_linux-x64
+          path: src/out/${{ env.OUTPUT_NAME }}/clang_x64/gen_snapshot
+
+  windows-build:
+    runs-on: windows-2019
+
+    strategy:
+      matrix:
+        arch: [arm, arm64]
+        mode: [release, profile]
+
+    steps:
+      - name: checkout engine
+        run: |
+          mkdir C:\workspace\engine\src\flutter
+          cd C:\workspace\engine\src\flutter
+          git config --global core.autocrlf true
+          git init --quiet
+          git remote add origin https://github.com/${{ github.repository }}
+          git fetch --depth 1 origin ${{ github.sha }}
+          git checkout FETCH_HEAD
+
+      - name: setup environments
+        run: |
+          Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Control\FileSystem" -Name "LongPathsEnabled" -Value 1 -Force
+          echo "DEPOT_TOOLS_WIN_TOOLCHAIN=0" >> $Env:GITHUB_ENV
+          echo "GYP_MSVS_OVERRIDE_PATH=C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise" >> $Env:GITHUB_ENV
+          echo "WINDOWSSDKDIR=C:\Program Files (x86)\Windows Kits\10" >> $Env:GITHUB_ENV
+
+      - name: install depot_tools
+        run: |
+          Invoke-WebRequest -Uri https://storage.googleapis.com/chrome-infra/depot_tools.zip -OutFile depot_tools.zip
+          7z x -y -o"C:\workspace\depot_tools" .\depot_tools.zip
+          echo "C:\workspace\depot_tools" >> $Env:GITHUB_PATH
+
+      - name: gclient sync
+        working-directory: C:\workspace\engine
+        run: |
+          gclient config --name=src\flutter --unmanaged https://github.com/flutter-tizen/engine
+          $env:PYTHONPATH="C:\workspace\depot_tools"
+          python3 src\flutter\ci\tizen\gclient-shallow-sync.py src\flutter\DEPS
+          gclient sync -v --no-history --shallow
+
+      - name: build
+        working-directory: C:\workspace\engine\src
+        run: |
+          python3 .\flutter\tools\gn `
+            --linux --linux-cpu=${{ matrix.arch }} `
+            --runtime-mode=${{ matrix.mode }} `
+            --no-goma
+          ninja -C .\out\linux_${{ matrix.mode }}_${{ matrix.arch }} gen_snapshot
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: tizen-${{ matrix.arch }}-${{ matrix.mode }}_windows-x64
+          path: C:\workspace\engine\src\out\linux_${{ matrix.mode }}_${{ matrix.arch }}\gen_snapshot.exe
+
+  macos-build:
+    runs-on: macos-11
+
+    strategy:
+      matrix:
+        arch: [arm, arm64]
+        mode: [release, profile]
+
+    env:
+      OUTPUT_NAME: linux_${{ matrix.mode }}_${{ matrix.arch }}
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          path: src/flutter
+
+      - uses: actions/cache@v2
+        with:
+          path: src/out/${{ env.OUTPUT_NAME }}
+          key: out-macos-build-${{ env.OUTPUT_NAME }}-${{ github.sha }}
+          restore-keys: |
+            out-macos-build-${{ env.OUTPUT_NAME }}-
+
+      - name: install depot_tools
+        run: |
+          git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
+          echo "$PWD/depot_tools" >> $GITHUB_PATH
+
+      - name: install required packages
+        run: |
+          brew install md5sha1sum
+
+      - name: gclient sync
+        run: |
+          gclient config --name=src/flutter --unmanaged https://github.com/flutter-tizen/engine
+          gclient setdep --var=download_android_deps=False --deps-file=src/flutter/DEPS
+          PYTHONPATH="$PWD/depot_tools" python3 ./src/flutter/ci/tizen/gclient-shallow-sync.py src/flutter/DEPS
+          gclient sync -v --no-history --shallow
+
+      - name: build
+        run: |
+          src/flutter/ci/tizen/cache-checksum.sh restore src/out/$OUTPUT_NAME
+          # Change host_toolchain to mac/clang_x64.
+          sed -i "" "s|//build/toolchain/linux:clang_$host_cpu|//build/toolchain/mac:clang_$host_cpu|g" src/build/config/BUILDCONFIG.gn
+          # Pass dummy toolchain values to avoid using linux target toolchain settings.
+          python3 ./src/flutter/tools/gn \
+            --linux --linux-cpu=${{ matrix.arch }} \
+            --runtime-mode=${{ matrix.mode }} \
+            --no-goma \
+            --target-toolchain _ --target-sysroot _ --target-triple _
+          ninja -C ./src/out/$OUTPUT_NAME clang_x64/gen_snapshot
+          src/flutter/ci/tizen/cache-checksum.sh save src/out/$OUTPUT_NAME
+
+      - uses: actions/upload-artifact@v2
+        with:
+          name: tizen-${{ matrix.arch }}-${{ matrix.mode }}_darwin-x64
+          path: src/out/linux_${{ matrix.mode }}_${{ matrix.arch }}/clang_x64/gen_snapshot
+
   test:
     needs: build
     runs-on: ubuntu-latest

ci/tizen/cache-checksum.sh

@@ -41,7 +41,7 @@ if [[ "$COMMAND" == "restore" ]]; then
 
     # Set mtime of files in $TARGET_DIRS to OLD time.
     for d in $(find $TARGET_DIRS -type d); do
-        touch -c -m -d @1600000000 $d/* &
+        touch -t 202001010000 $d/* &
     done
 
     # Set mtime of changed files to NEW time.

tools/gn

@@ -301,7 +301,7 @@ def to_gn_args(args):
       # attributes in release modes till the toolchain is updated.
       gn_args['skia_enable_api_available_macro'] = args.runtime_mode != "release"
 
-    if sys.platform == 'darwin' and args.target_os not in ['android', 'fuchsia']:
+    if sys.platform == 'darwin' and args.target_os not in ['android', 'fuchsia', 'linux']:
       # OpenGL is deprecated on macOS > 10.11.
       # This is not necessarily needed but enabling this until we have a way to
       # build a macOS metal only shell and a gl only shell.
@@ -390,6 +390,10 @@ def to_gn_args(args):
     if args.target_os in ['android'] and gn_args['target_cpu'] in ['x64' , 'arm64']:
       gn_args['dart_use_compressed_pointers'] = True
 
+    # Don't use the default linux sysroot when buliding for Linux on MacOS
+    if sys.platform == 'darwin' and args.target_os == 'linux':
+      gn_args['use_default_linux_sysroot'] = False
+
     return gn_args
 
 def parse_args(args):