CMakeLists.txt改为这样即可
#if(HAVE_SOCKLEN_T)
# set(CURL_TYPEOF_CURL_SOCKLEN_T "socklen_t")
# check_type_size("socklen_t" CURL_SIZEOF_CURL_SOCKLEN_T)
# if(NOT HAVE_CURL_SIZEOF_CURL_SOCKLEN_T)
# message(FATAL_ERROR
# "Check for sizeof socklen_t failed, see CMakeFiles/CMakerror.log")
# endif()
#else()
set(CURL_TYPEOF_CURL_SOCKLEN_T int)
set(CURL_SIZEOF_CURL_SOCKLEN_T ${SIZEOF_INT})
#endif()