Rainer Orth: > Jeroen Scheerder <[EMAIL PROTECTED]> writes: > > > Partial success only. I think I'll be able to build it without C++ > > support, but compilation per your instruction does choke on > > libstdc++.so.6.0.4. > > I've had the same problem and think I know what's going on. > > > ld: fatal: relocation error: file: .libs/stdexcept.o section: > > .rel.debug_info symbol: : relocation against a discarded symbol, > > symbol is part of discarded section: > > .gnu.linkonce.t._ZNSt12out_of_rangeD0Ev > > If I compare stdexcept.s when building with /usr/sfw/bin/gas vs. gas > 2.15.96, I see differences like the following: > > .Ltext0: > .weak _ZTISt11logic_error > - .section .gnu.linkonce.r._ZTISt11logic_error,"a",@progbits > + .section > .gnu.linkonce.r._ZTISt11logic_error,"aG",@progbits,_ZTISt11logic_error,comdat > > Comparing gcc/auto-host.h between bootstraps with those different gas > versions, I find: > > /* Define 0/1 if your assembler supports COMDAT group. */ > -#define HAVE_GAS_COMDAT_GROUP 0 > +#define HAVE_GAS_COMDAT_GROUP 1 > > So obviously Sun ld doesn't have the necessary support for COMDAT groups > (even with GNU ld, a quite recent version seems to be required). > Unfortunately, gcc's configure.ac doesn't check for this, but should.
Your analysis is very convincing. So an ugly workaround would be to toggle HAVE_GAS_COMDAT_GROUP?
