requiredlibs

   1 cache
   2 commonCrypto
   3 compiler_rt
   4 copyfile
   5 corecrypto
   6 dispatch
   7 dyld
   8 launch
   9 macho
  10 removefile
  11 system_asl
  12 system_blocks
  13 system_c
  14 system_configuration
  15 system_coreservices
  16 system_coretls
  17 system_dnssd
  18 system_info
  19 system_kernel system_sim_kernel
  20 system_m
  21 system_malloc
  22 system_network
  23 system_notify
  24 system_platform system_sim_platform
  25 system_pthread system_sim_pthread
  26 system_sandbox
  27 system_trace
  28 unwind unwind_sim
  29 xpc