Re: [PATCH] lto-plugin: Use GNU ld or Solaris ld version script in preference to -export-symbols-regex [PR102426]

[Richard Biener via Gcc-patches]

> Am 22.03.2022 um 10:28 schrieb Rainer Orth <r...@cebitec.uni-bielefeld.de>:
> 
> Hi Jakub,
> 
>> As reported, libtool -export-symbols-regex doesn't work on Solaris
>> when using GNU ld instead of Sun ld, libtool just always assumes Sun ld.
>> As I'm unsure what is the maintainance status of libtool right now,
> 
> as it happens, libtool 2.4.7 has just been released on 2022-03-16 after
> a hiatus of more than 5 years.  Whatever that means for future
> maintenance...
> 
>> this patch solves it on the lto-plugin side instead, tests at configure time
>> similar way how libssp and other target libraries test for symbol versioning
>> (except omitting the symbol version because we just want one GLOBAL symbol
>> and rest of them LOCAL), and will use the current way of
>> -export-symbols-regex onload as fallback when this doesn't work.
>> 
>> Bootstrapped/regtested on x86_64-linux and i686-linux (where it now uses
>> the GNU versioning instead of -export-symbols-regex onload).
>> Ok for trunk if it works for Rainer too (both Sun and GNU ld)?
> 
> It did without any issues: tested on i386-pc-solaris2.11 (gas/ld and
> gas/gld) and sparc-sun-solaris2.11 (gas/ld).

Ok.

>    Rainer
> 
> -- 
> -----------------------------------------------------------------------------
> Rainer Orth, Center for Biotechnology, Bielefeld University