Hi Jan,
>> It makes the option using thunks unusable though, right? Can you simply make
>> them hidden on systems without comdat support? That duplicates them per TU
>> but at least the feature works. Or those systems should provide the
>> thunks via
>> libgcc.
>>
>> I agree we can followup with a fix for Solaris given lack of a public
>> testing machine.
>
> My memory is bit dim, but I am convinced I was fixing specific errors for
> comdats
> on Solaris, so I think the toolchain supports them in some sort, just is more
> restrictive/different from GNU implementation.
comdat does work just fine in Solaris 11, but the Solaris 10 linker has
problems with what gcc generates.
> Indeed, i think just producing sorry, unimplemented message is what we should
> do
> if we can't support retpoline on given target.
Certainly, coupled with an appropriate effective-target keyword to limit
testcases appropriately.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
