[Bug bootstrap/63622] [5.0 Regression] Bootstrap fails on x86_64-apple-darwin1[34] after revision r216305

[howarth at bromo dot med.uc.edu]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63622

--- Comment #10 from howarth at bromo dot med.uc.edu ---
Note that removal of the "-undefined dynamic_lookup" produces...

Undefined symbols for architecture x86_64:
  "__ZNKSt11logic_error4whatEv", referenced from:
      __ZTVSt11logic_error in libc++98convenience.a(stdexcept.o)
      __ZTVSt12domain_error in libc++98convenience.a(stdexcept.o)
      __ZTVSt16invalid_argument in libc++98convenience.a(stdexcept.o)
      __ZTVSt12length_error in libc++98convenience.a(stdexcept.o)
      __ZTVSt12out_of_range in libc++98convenience.a(stdexcept.o)
  "__ZNKSt7codecvtIcc11__mbstate_tE10do_unshiftERS0_PcS3_RS3_", referenced
from:
      __ZTVSt7codecvtIcc11__mbstate_tE in libc++98convenience.a(codecvt.o)
      __ZTVSt14codecvt_bynameIcc11__mbstate_tE in
libc++98convenience.a(locale-inst.o)
  "__ZNKSt7codecvtIcc11__mbstate_tE11do_encodingEv", referenced from:
      __ZTVSt7codecvtIcc11__mbstate_tE in libc++98convenience.a(codecvt.o)
      __ZTVSt14codecvt_bynameIcc11__mbstate_tE in
libc++98convenience.a(locale-inst.o)
  "__ZNKSt7codecvtIcc11__mbstate_tE6do_outERS0_PKcS4_RS4_PcS6_RS6_", referenced
from:
      __ZTVSt7codecvtIcc11__mbstate_tE in libc++98convenience.a(codecvt.o)
      __ZTVSt14codecvt_bynameIcc11__mbstate_tE in
libc++98convenience.a(locale-inst.o)
  "__ZNKSt9type_info14__is_pointer_pEv", referenced from:
      __ZTVN10__cxxabiv117__array_type_infoE in
libsupc++convenience.a(array_type_info.o)
      __ZTVN10__cxxabiv117__class_type_infoE in
libsupc++convenience.a(class_type_info.o)
      __ZTVN10__cxxabiv116__enum_type_infoE in
libsupc++convenience.a(enum_type_info.o)
      __ZTVN10__cxxabiv120__function_type_infoE in
libsupc++convenience.a(function_type_info.o)
      __ZTVN10__cxxabiv123__fundamental_type_infoE in
libsupc++convenience.a(fundamental_type_info.o)
      __ZTVN10__cxxabiv117__pbase_type_infoE in
libsupc++convenience.a(pbase_type_info.o)
      __ZTVN10__cxxabiv129__pointer_to_member_type_infoE in
libsupc++convenience.a(pmem_type_info.o)
      ...
 
"__ZNSbIwSt11char_traitsIwESaIwEE12_S_constructIPwEES4_T_S5_RKS1_St20forward_iterator_tag.part.36",
referenced from:
     
__ZNSbIwSt11char_traitsIwESaIwEE12_S_constructIPwEES4_T_S5_RKS1_St20forward_iterator_tag
in libc++11convenience.a(wstring-inst.o)
  "__ZNSs12_S_constructIPcEES0_T_S1_RKSaIcESt20forward_iterator_tag.part.34",
referenced from:
      __ZNSs12_S_constructIPcEES0_T_S1_RKSaIcESt20forward_iterator_tag in
libc++11convenience.a(string-inst.o)
  "__ZNSt15basic_streambufIcSt11char_traitsIcEE4syncEv", referenced from:
      __ZTVSt12strstreambuf in libc++98convenience.a(strstream.o)
      __ZTVSt15basic_stringbufIcSt11char_traitsIcESaIcEE in
libc++11convenience.a(sstream-inst.o)
      __ZTVSt15basic_streambufIcSt11char_traitsIcEE in
libc++11convenience.a(streambuf-inst.o)
  "__ZNSt15basic_streambufIcSt11char_traitsIcEE5imbueERKSt6locale", referenced
from:
      __ZTVSt12strstreambuf in libc++98convenience.a(strstream.o)
      __ZTVN9__gnu_cxx18stdio_sync_filebufIcSt11char_traitsIcEEE in
libc++11convenience.a(ext11-inst.o)
      __ZTVSt15basic_stringbufIcSt11char_traitsIcESaIcEE in
libc++11convenience.a(sstream-inst.o)
      __ZTVSt15basic_streambufIcSt11char_traitsIcEE in
libc++11convenience.a(streambuf-inst.o)
  "__ZNSt15basic_streambufIcSt11char_traitsIcEE6setbufEPcl", referenced from:
      __ZTVN9__gnu_cxx18stdio_sync_filebufIcSt11char_traitsIcEEE in
libc++11convenience.a(ext11-inst.o)
      __ZTVSt15basic_streambufIcSt11char_traitsIcEE in
libc++11convenience.a(streambuf-inst.o)
 
"__ZNSt15basic_streambufIcSt11char_traitsIcEE7seekoffExSt12_Ios_SeekdirSt13_Ios_Openmode",
referenced from:
      __ZTVSt15basic_streambufIcSt11char_traitsIcEE in
libc++11convenience.a(streambuf-inst.o)
 
"__ZNSt15basic_streambufIcSt11char_traitsIcEE7seekposESt4fposI11__mbstate_tESt13_Ios_Openmode",
referenced from:
      __ZTVSt15basic_streambufIcSt11char_traitsIcEE in
libc++11convenience.a(streambuf-inst.o)
  "__ZNSt15basic_streambufIcSt11char_traitsIcEE8overflowEi", referenced from:
      __ZTVSt15basic_streambufIcSt11char_traitsIcEE in
libc++11convenience.a(streambuf-inst.o)
  "__ZNSt15basic_streambufIcSt11char_traitsIcEE9pbackfailEi", referenced from:
      __ZTVSt15basic_streambufIcSt11char_traitsIcEE in
libc++11convenience.a(streambuf-inst.o)
  "__ZNSt15basic_streambufIcSt11char_traitsIcEE9showmanycEv", referenced from:
      __ZTVSt12strstreambuf in libc++98convenience.a(strstream.o)
      __ZTVN9__gnu_cxx18stdio_sync_filebufIcSt11char_traitsIcEEE in
libc++11convenience.a(ext11-inst.o)
      __ZTVSt15basic_streambufIcSt11char_traitsIcEE in
libc++11convenience.a(streambuf-inst.o)
  "__ZNSt15basic_streambufIcSt11char_traitsIcEE9underflowEv", referenced from:
      __ZTVSt15basic_streambufIcSt11char_traitsIcEE in
libc++11convenience.a(streambuf-inst.o)
  "__ZNSt15basic_streambufIwSt11char_traitsIwEE9pbackfailEi", referenced from:
      __ZTVSt15basic_streambufIwSt11char_traitsIwEE in
libc++11convenience.a(streambuf-inst.o)
  "__ZTCSt9strstream16_So", referenced from:
      __ZNSt9strstreamC1Ev in libc++98convenience.a(strstream.o)
      __ZNSt9strstreamC1EPciSt13_Ios_Openmode in
libc++98convenience.a(strstream.o)
      __ZTTSt9strstream in libc++98convenience.a(strstream.o)