trying to speed up appveyor #10689

.appveyor.yml

@@ -20,6 +20,7 @@ environment:
           ver: 2019
           generator: "Visual Studio 16 2019"
           configuration: Release
+          cmake_opts: "-DENABLE_JAVA_BINDINGS=0"
           PYTHON: C:\Python37-x64
         - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
           ver: 2019
@@ -33,15 +34,15 @@ environment:
           PYTHON: C:\Python37-x64
 
 install:
-    - git clone --recurse-submodules https://github.com/DLR-TS/SUMOLibraries
+    - git clone --depth 1 https://github.com/DLR-TS/SUMOLibraries
     - set SUMO_LIBRARIES=%CD%\SUMOLibraries
     - "%PYTHON%\\python.exe -m pip install wheel"
 
 build_script:
     - cd %APPVEYOR_BUILD_FOLDER%
     - mkdir build_msvc%ver% &&
       cd build_msvc%ver% &&
-      cmake .. -G"%generator%" -A x64 -DPYTHON_EXECUTABLE=%PYTHON%\python.exe &&
+      cmake .. -G"%generator%" -A x64 -DPYTHON_EXECUTABLE=%PYTHON%\python.exe %cmake_opts% &&
       cmake --build . --config %configuration% && cd .. &&
       %PYTHON%\python.exe tools\build\setup-libsumo.py bdist_wheel