[C++] Add Windows build to the CI matrix

Author: vyazelenko

.github/workflows/ci.yml

@@ -168,3 +168,17 @@ jobs:
           sudo xcode-select -switch /Applications/Xcode_${{ matrix.version }}.app
       - name: Build
         run: ./cppbuild/cppbuild
+
+  cpp-msvc-build:
+    name: C++ MSVC (Windows)
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+    env:
+      CC: cl
+      CXX: cl
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+      - name: Build
+        run: cppbuild/cppbuild.cmd

cppbuild/cppbuild-vs2015.cmd renamed to cppbuild/cppbuild.cmd

@@ -1,14 +1,19 @@
 @if "%DEBUG%" == "" @echo off
-setlocal
+setlocal EnableDelayedExpansion
 
 set SOURCE_DIR=%CD%
 set BUILD_DIR=%CD%\cppbuild\Release
 
+call cppbuild/vs-helper.cmd
+if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%
+
 if EXIST %BUILD_DIR% rd /S /Q %BUILD_DIR%
 
 md %BUILD_DIR%
 pushd %BUILD_DIR%
 
-cmake -G "Visual Studio 14 Win64" %SOURCE_DIR%
 cmake --build . --clean-first --config Release
+if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%
+
 ctest -C Release
+if %ERRORLEVEL% neq 0 exit /b %ERRORLEVEL%

cppbuild/vs-helper.cmd

@@ -0,0 +1,2 @@
+rem Invoke script to set all of the Visual Studio ENV variables
+@for /f "usebackq delims=#" %%a in (`"%programfiles(x86)%\Microsoft Visual Studio\Installer\vswhere" -latest -property installationPath`) do "%%a\Common7\Tools\VsDevCmd.bat"