simplify windows rescorer build (LeelaChessZero#4)

Co-authored-by: borg323 <[email protected]>

build.cmd

@@ -1,26 +1,6 @@
 @echo off
 setlocal
 
-rem 1. Set the following for the options you want to build.
-set CUDNN=true
-set DX12=false
-set OPENCL=false
-set MKL=false
-set DNNL=false
-set OPENBLAS=false
-set EIGEN=false
-set TEST=false
-
-rem 2. Edit the paths for the build dependencies.
-set CUDA_PATH=C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.0
-set CUDNN_PATH=C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.0
-set OPENBLAS_PATH=C:\OpenBLAS
-set MKL_PATH=C:\Program Files (x86)\IntelSWTools\compilers_and_libraries\windows\mkl
-set DNNL_PATH=C:\dnnl_win_1.1.1_cpu_vcomp
-set OPENCL_LIB_PATH=%CUDA_PATH%\lib\x64
-set OPENCL_INCLUDE_PATH=%CUDA_PATH%\include
-
-rem 3. In most cases you won't need to change anything further down.
 echo Deleting build directory:
 rd /s build
 
@@ -34,23 +14,7 @@ if exist "C:\Program Files (x86)\Microsoft Visual Studio\2019" (
   set backend=vs2017
 )
 
-if "%CUDA_PATH%"=="%CUDNN_PATH%" (
-  set CUDNN_LIB_PATH=%CUDNN_PATH%\lib\x64
-  set CUDNN_INCLUDE_PATH=%CUDNN_PATH%\include
-) else (
-  set CUDNN_LIB_PATH=%CUDA_PATH%\lib\x64,%CUDNN_PATH%\lib\x64
-  set CUDNN_INCLUDE_PATH=%CUDA_PATH%\include,%CUDNN_PATH%\include
-)
-
-if %CUDNN%==true set PATH=%CUDA_PATH%\bin;%PATH%
-
-meson build --backend %backend% --buildtype release -Ddx=%DX12% -Dcudnn=%CUDNN% -Dopencl=%OPENCL% ^
--Dblas=true -Dmkl=%MKL% -Dopenblas=%OPENBLAS% -Deigen=%EIGEN% -Ddnnl=%DNNL% -Dgtest=%TEST% ^
--Dcudnn_include="%CUDNN_INCLUDE_PATH%" -Dcudnn_libdirs="%CUDNN_LIB_PATH%" ^
--Dmkl_include="%MKL_PATH%\include" -Dmkl_libdirs="%MKL_PATH%\lib\intel64" -Ddnnl_dir="%DNNL_PATH%" ^
--Dopencl_libdirs="%OPENCL_LIB_PATH%" -Dopencl_include="%OPENCL_INCLUDE_PATH%" ^
--Dopenblas_include="%OPENBLAS_PATH%\include" -Dopenblas_libdirs="%OPENBLAS_PATH%\lib" ^
--Ddefault_library=static
+meson build --backend %backend% --buildtype release -Dbuild_backends=false -Dgtest=false -Ddefault_library=static
 
 if errorlevel 1 exit /b