Add appveyor.yml.

appveyor.yml

@@ -0,0 +1,24 @@
+os: Visual Studio 2015
+
+platform:
+  - Win32
+  - Win64
+
+configuration:
+  - Debug
+
+before_build:
+  - if %platform%==Win32 set generator=Visual Studio 14
+  - if %platform%==Win64 set generator=Visual Studio 14 Win64
+  - if %platform%==Win32 set vcplatform=Win32
+  - if %platform%==Win64 set vcplatform=x64
+  - ps: Start-FileDownload 'https://github.com/egorpugin/leptonica/archive/master.zip' -FileName leptonica.zip
+  - 7z x leptonica.zip
+  - cmake -Hleptonica-master -Bleptonica-master/build
+  - make -C leptonica-master/build
+
+build_script:
+  - mkdir build
+  - cd build
+  - cmake .. -G "%generator%" -DLeptonica_DIR=leptonica-master/build
+  - msbuild tesseract.sln /p:Platform=%vcplatform% /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"