build solution

.github/workflows/build-windows.yml

@@ -39,6 +39,18 @@ jobs:
           git config --global core.autocrlf false
           git config --global core.eol lf
 
+      - name: 32 bit - set environment variables
+        if: ${{ matrix.arch == '32' }}
+        shell: powershell
+        run: |
+          echo "PLATFORM=win32" >> $env:GITHUB_ENV
+
+      - name: 64 bit - set environment variables
+        if: ${{ matrix.arch == '64' }}
+        shell: powershell
+        run: |
+          echo "PLATFORM=x64" >> $env:GITHUB_ENV
+
       - name: Checkout ${{ github.ref }}
         uses: actions/checkout@v3
 
@@ -57,10 +69,12 @@ jobs:
           aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
           aws-region: ${{ secrets.AWS_REGION }}
 
-      - name: Build gRPC ${{ matrix.arch }} ( ${{ matrix.configuration }} )
+      - name: Build gRPC ${{ matrix.arch }} bit ( ${{ matrix.configuration }} )
         shell: cmd
         run: |
-          ${{ github.workspace }}/grpc/build_windows.bat ${{ matrix.configuration }} ${{ matrix.arch }}
+          cd ${{ github.workspace }}/grpc/build_windows_${{ matrix.arch}}
+          msbuild.exe -maxcpucount /t:Clean,Build /m /p:Configuration=${{ matrix.configuration }} /p:Platform=${{ env.PLATFORM }} /fl /flp:logfile=build-${{ matrix.arch }}.${{ matrix.configuration }}.log;verbosity=diagnostic grpc.sln
+
         working-directory: ${{ github.workspace }}
         env:
           WORKSPACE: ${{ github.workspace }}