if(CMAKE_SYSTEM_NAME STREQUAL "iOS" OR CMAKE_SYSTEM_NAME STREQUAL "Android")
  message("excluded db support for IOS build")
  return()
endif()


  message("DB ENGINE: lmdb")  
  add_subdirectory(liblmdb)
  if(MSVC)
     target_compile_options(lmdb PRIVATE /wd4996 /wd4503 /wd4345 /wd4267 /wd4244 /wd4146 /wd4333 /wd4172)
  else()
     # Warnings as used by LMDB itself (LMDB_0.9.23)
     target_compile_options(lmdb PRIVATE -Wall -Wno-unused-parameter -Wbad-function-cast -Wuninitialized)
  endif()
  if(NOT DISABLE_MDBX)
     message("DB ENGINE: mdbx")  
     add_subdirectory(libmdbx)
  endif()