Compilation error 
E:\p2p\p2pool\build>cmake .. -G "Visual Studio 16 2019" -A x64
-- Selecting Windows SDK version 10.0.17763.0 to target Windows 10.0.17134.
-- The C compiler identification is MSVC 19.27.29112.0
-- The CXX compiler identification is MSVC 19.27.29112.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Professional/VC/Tools/MSVC/14.27.29110/bin/Hostx64/x64/cl.exe - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: C:/Program Files (x86)/Microsoft Visual Studio/2019/Professional/VC/Tools/MSVC/14.27.29110/bin/Hostx64/x64/cl.exe - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
CMake Error at CMakeLists.txt:12 (add_subdirectory):
  The source directory

    E:/p2p/p2pool/external/src/RandomX

  does not contain a CMakeLists.txt file.


-- Configuring incomplete, errors occurred!
See also "E:/p2p/p2pool/build/CMakeFiles/CMakeOutput.log".