Use sccache for caching Windows builds

Author: mahdisharifithedev

.github/actions/restore-ccache/action.yml

@@ -18,7 +18,7 @@ runs:
       id: ccache-restore
       uses: actions/cache/restore@v6
       with:
-        path: .ccache
+        path: ${{ runner.os == 'Windows' && '.sccache' || '.ccache' }}
         key: ${{ github.workflow }}-${{ inputs.arch }}-${{ hashFiles('**/version.txt') }}
         restore-keys: |
           ${{ github.workflow }}-${{ inputs.arch }}-

.github/actions/save-ccache/action.yml

@@ -15,5 +15,5 @@ runs:
       if: inputs.cache-hit != 'true'
       uses: actions/cache/save@v6
       with:
-        path: .ccache
-        key: ${{ inputs.primary-key }}
+        key: ${{ inputs.primary-key }}
+        path: ${{ runner.os == 'Windows' && '.sccache' || '.ccache' }}

.github/workflows/windows-build.yml

@@ -26,8 +26,26 @@ jobs:
       - name: Setup Node Version
         uses: ./.github/actions/setup-version
 
-      - name: Setup Ninja
-        run: choco install -y python nasm ninja
+      - name: Restore ccache
+        id: ccache
+        uses: ./.github/actions/restore-ccache
+        with:
+          arch: ${{ matrix.arch }}
+
+      - name: Setup Scoop
+        shell: pwsh
+        run: |
+          choco install -y 7zip
+          Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
+          irm get.scoop.sh | iex
+          echo "$env:USERPROFILE\scoop\shims" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+          scoop config use_external_7zip true
+
+      - name: Install building tools
+        shell: pwsh
+        run: |
+          scoop install sccache
+          choco install -y python nasm ninja
 
       - name: Build NodeJS
         env:
@@ -53,4 +71,11 @@ jobs:
           job_status: ${{ job.status }}
           node_version: ${{ env.NODE_VERSION }}
           github_token: ${{ secrets.GITHUB_TOKEN }}
-          archive_path: node\out\Release\libnode-${{ matrix.arch }}-windows.zip
+          archive_path: node\out\Release\libnode-${{ matrix.arch }}-windows.zip
+
+      - name: Save ccache
+        if: always()
+        uses: ./.github/actions/save-ccache
+        with:
+          cache-hit: ${{ steps.ccache.outputs.cache-hit }}
+          primary-key: ${{ steps.ccache.outputs.cache-primary-key }}

scripts/build.bat

@@ -13,10 +13,27 @@ if "%ARCH%"=="amd64" (
     set NODE_ARCH=x64
 )
 
+set "SCCACHE_DIR=%GITHUB_WORKSPACE%\.sccache"
+if not exist "%SCCACHE_DIR%" mkdir "%SCCACHE_DIR%"
+set CC_WRAPPER=sccache
+set CXX_WRAPPER=sccache
+
+REM libffi performs atomic operations using legacy macros. 
+REM Its macros expect volatile long * for atomic variables, 
+REM but they are being passed int *.
+REM On modern versions of Visual Studio (like 2026)
+REM -Wincompatible-pointer-types is triggered.
+REM https://learn.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-level-1-c4047
+REM https://learn.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-level-3-c4133
+set "CFLAGS=/wd4047 /wd4133"
+set "CXXFLAGS=/wd4047 /wd4133"
+
 if not exist "node\" (
     git clone https://github.com/nodejs/node --branch %NODE_VERSION% --depth=1
 )
 
 cd node
 call .\vcbuild.bat %NODE_ARCH% dll
-if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%
+if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%
+
+sccache --show-stats

scripts/build.sh

@@ -48,3 +48,5 @@ fi
 cd node
 ./configure --shared --dest-cpu "$NODE_ARCH" --dest-os "$OS"
 make -j$CORES
+
+ccache --show-stats