Obsolete Solaris 11.3 support

Rainer Orth ro@CeBiTec.Uni-Bielefeld.DE
Tue Dec 13 12:26:08 GMT 2022

Solaris 11.3 has reached the end of its support live, as can be seen in
the following overview based on 


Release	     GA Date  Last     Premier  Extended GCC
      		      Update   Support  Support  Obsoletion Removal

Solaris 8    Feb 2000 Feb 2002 Mar 2009 Mar 2012 Mar 2011   Mar 2012
Solaris 9    Mar 2002 Sep 2005 Oct 2011 Oct 2014 May 2013   Apr 2014
Solaris 10   Jan 2005 Jan 2013 Jan 2018 Jan 2021 May? 2019  May? 2020
Solaris 11.3 Oct 2015 Aug 2018 Jan 2021 Jan 2024 Dec? 2022  May? 2023

There are some features missing in Solaris 11.3 (dl_iterate_phdr, pipe2)
that make continued support more difficult, especially when it gets to
getting workarounds into upstream codebases like LLVM or Golang that
don't support anything but Solaris 11.4.

Therefore I think it's time to obsolete support for anything before
Solaris 11.4 in GCC 13, thus removing it in GCC 14.

There's one highly unfortunate side effect, though: the only public
Solaris 11.3 build system (gcc211 in the GCC Compile Farm) cannot be
upgraded to Solaris 11.4.  I'm currently trying to get one or more
alternative systems in place to avoid that issue.

I'm going to post patches for the actual obsoletion and an entry for
wwwdocs shortly.


Rainer Orth, Center for Biotechnology, Bielefeld University

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