option(gRPC_MSVC_STATIC_RUNTIME "Link with static msvc runtime libraries" OFF)

if(gRPC_MSVC_STATIC_RUNTIME)
  # switch from dynamic to static linking of msvcrt
  foreach(flag_var
    CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
    CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
    CMAKE_CXX_FLAGS CMAKE_CXX_FLAGS_DEBUG CMAKE_CXX_FLAGS_RELEASE
    CMAKE_CXX_FLAGS_MINSIZEREL CMAKE_CXX_FLAGS_RELWITHDEBINFO)

    if(${flag_var} MATCHES "/MD")
    string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
    endif(${flag_var} MATCHES "/MD")
  endforeach(flag_var)
endif()