Squashed 'third_party/protobuf/' content from commit e35e248

Change-Id: I6cbe123d09fe50fdcad0e51466665daeee7433c7
git-subtree-dir: third_party/protobuf
git-subtree-split: e35e24800fb8d694bdeea5fd63dc7d1b14d68723
diff --git a/appveyor.bat b/appveyor.bat
new file mode 100644
index 0000000..9a46b92
--- /dev/null
+++ b/appveyor.bat
@@ -0,0 +1,29 @@
+setlocal
+
+IF %language%==cpp GOTO build_cpp
+IF %language%==csharp GOTO build_csharp
+
+echo Unsupported language %language%. Exiting.
+goto :error
+
+:build_cpp
+echo Building C++
+mkdir build_msvc
+cd build_msvc
+cmake -G "%generator%" -Dprotobuf_BUILD_SHARED_LIBS=%BUILD_DLL% ../cmake
+msbuild protobuf.sln /p:Platform=%vcplatform% /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll" || goto error
+cd %configuration%
+tests.exe || goto error
+goto :EOF
+
+:build_csharp
+echo Building C#
+cd csharp\src
+nuget restore
+msbuild Google.Protobuf.sln /p:Platform="Any CPU" /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll" || goto error
+nunit-console Google.Protobuf.Test\bin\%configuration%\Google.Protobuf.Test.dll || goto error
+goto :EOF
+
+:error
+echo Failed!
+EXIT /b %ERRORLEVEL%