Re: Mixing clang and gcc

[Greg Troxel <gdt%lexort.com@localhost>]

Kamil Rytarowski <n54%gmx.com@localhost> writes:

> On 31.08.2019 15:25, Robert Swindells wrote:
>> 
>> Is linking code compiled with pkgsrc clang against system libpthread
>> built by gcc supposed to work ?
>> 
>> I'm getting a core dump that seems to be caused by an incorrect value
>> returned by pthread_self().
>> 
>> This is on aarch64.
>
> They have to use a compatible ABI. If this is not the case, speak up.

My impression, worth not much except as a data point about expectations,
is the programs written in C should have a compatible ABI and mixing
compilers should be ok, but that C++ does not really have a defined ABI
and one needs to use the same compiler for all C++ portions and the
final link.