C++ on Vistual Studio with CMake error: manifest 'build.ninja' still dirty after 100 tries

should help you out With Visual Studio 2010 SP1 and the Visual Studio Visualization and Modeling SDK for Visual Studio 2010, you're licensed to copy and redistribute the necessary files to do T4 transforms at build time on a build server (note, only a build server, not arbitrary redistribution). You can simply copy these files from a machine with Visual Studio and the SDK installed.
The two license files in question are: 1) buildserver.txt in the Visual Studio install directory 2) redist.txt in the VisualStudioIntegration\Tools\DSLTools directory of the SDK.

hope this fix your issue This was asked recently on the CMake mailing list. The response from one of the devs confirms that the behaviour you report is intentional:

With these it helps
Starting in 2.2, Android Studio on 64 bit OS, supports building C/C++ via CMake and ndk-build through stable gradle.

With these it helps Turning my comments into an answer
You have to give full paths for your compilers when you use ninja with visual-studio-2017:

...
"variables": [
     {
         "name": "CMAKE_CXX_COMPILER",
         "value": "C:\\Program Files\\LLVM\\bin\\clang-cl.exe"
     },
     {
         "name": "CMAKE_C_COMPILER",
         "value": "C:\\Program Files\\LLVM\\bin\\clang-cl.exe"
     },
     {
         "name": "CMAKE_SYSTEM_NAME",
         "value": "Windows"
     }
]
...

may help you . I don't think there is a way other than using Custom buildsystem plugin yet. So, eiter use CMake build system with Ninja generator, or custom buildsystem.
But the good news are that Meson plugin for KDevelop is already being baked and hopefully will see a release!