Re: plmerge core dumps...

[Andreas Fink]

> On 13 Feb 2020, at 11:35, Richard Frith-Macdonald 
> <richard@frithmacdonald.me.uk> wrote:
> 
> 
> 
>> On 13 Feb 2020, at 09:44, Andreas Fink <afink@list.fink.org> wrote:
>> 
>> This is not a problem of gnustep but of objectiveC.
>> Yes its a pain that the standard linker doesnt work. But it is what it is. 
>> until someone fixes the standard linker we can't do much.
> 
> I'm not sure where the responsibility lies (maybe nobody knows and that's why 
> it exists):
> Is it a bug in the linker?

yes

> Is it a bug in clang for not invoking the linker correctly?

no 

> Is it a bug in gnustep-make for not passing some extra flag to clang to tell 
> it how to invoke the linker correctly?

no

> 
>> This is mainly given by the fact that modern ObjC support in gcc is still 
>> missing. clang does much better here but there where still some bugs in 
>> clang before version 8 which can get you into trouble.
>> 
>> So golden rule is clang >= 8.0 and linker = ld.gold and it will work.
> 
> Yes, that works for me to build base/gui and quite a lot of other stuff, but 
> not all my code by any means:  I find there are other libraries/tools that 
> fail to link using ld.gold
> Until I can figure out what to do about that, I can't migrate the codebase 
> where I work to use the latest runtime :-(

as far as other libraries  / tools go,  the requirement for ld.gold is only 
there for ObjectiveC code. If you link C code thats not an issue.