10.5 and gcc8 x86-64 ok but ppc bails with dlerror

Sergio Had vital.had at gmail.com
Thu Mar 28 18:36:19 UTC 2024

You should not need gcc8. I had gcc11 working on 10.5 ppc (and ppc64 too). I have seen people using gcc13 on 10.5 ppc following my instructions from the PR.

What is the point of gcc8?

You build gcc10-bootstrap and then use it to build gcc13. Nothing else needed in between.
On Mar 28, 2024 at 23:58 +0800, Riccardo Mottola via macports-dev <macports-dev at lists.macports.org>, wrote:
> Hi,
> after all the talk about gcc versions, I tried to build gcc 8 here.
> Officially it says "gcc8 is known to fail".
> I first did just "build" on Intel 64bit and PPC 32bit - Intel 32bit
> later, I fear my MacBook has fan issues.
> Intel 64bit finished build! Took several hours. I thus tried to install
> it... and it says again
> "libgcc8 is known to fail. Try to install anyway?" and yes, it just built!
> However then it asks about libgcc9.... but I want to stay on libgcc8,
> that was the point... am Inheriting that it will go up to gcc13?
> On PowerPC instead build fails (and ultimate goal is to enable newer
> gccs on PPC too, where it is needed)
> :info:build cc1plus: warning: '-mdynamic-no-pic' overrides '-fpic',
> '-fPIC', '-fpie' or '-fPIE'
> :info:build
> /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc8/gcc8/work/gcc-8.5.0/gcc/jit/jit-playback.c:
> In member function 'gcc::jit::result*
> gcc::jit::playback::context::dlopen_built_dso()':
> :info:build
> /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_gcc8/gcc8/work/gcc-8.5.0/gcc/jit/jit-playback.c:2599:3:
> error: 'dlerror' was not declared in this scope
> :info:build dlerror ();
> :info:build ^~~~~~~
> Already seen this? Full build log is 6.7MB
> Should I open a ticket on this or is there already one for gcc8 efforts?
> didn't find it.
> Riccardo
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