[systemd-devel] udev-212 and up on Sparc v8

[Mike Gilbert]

On Sat, Jun 21, 2014 at 10:04 AM, Cristian Rodríguez
<crrodriguez at opensuse.org> wrote:
> El 21/06/14 01:38, Chase Rayfield escribió:
>
>> udev up to version 208 builds correctly on Sparc v8. However 212 and
>> greater does not.
>>
>> Complete build logs of 208 and 214 can be found here:
>> https://bugs.gentoo.org/show_bug.cgi?id=514016
>>
>> Any suggestions or alternatives to how we can fix this would be
>> appreciated.
>>
>> This affects old Sun hardware, Leon Sparc, and the sparc implementation
>> being developed at temlib.org .... it may also affect other
>> architectures that I am not aware of.
>>
>> Thanks,
>> Chase Rayfield
>
>
> Not a systemd problem. please ix your tool-chain. systemd does not even use
> __sync_sub_and_fetch_4(), this is a function that ought to be proviided by
> the compiler or libgcc .
>

systemd does use __sync_sub_and_fetch, which probably gets mapped to
__sync_sub_and_fetch_4 somewhere.

src/shared/refcnt.h:#define REFCNT_DEC(r) (__sync_sub_and_fetch(&(r)._value, 1))