AIX 5.3 no longer is under supported or maintained.
- David
On Wed, Jul 25, 2018 at 1:13 PM Albert Chin
<g...@mlists.thewrittenword.com> wrote:
>
> r227907 had the following change:
> Index: aix61.h
> ===================================================================
> --- aix61.h (revision 227906)
> +++ aix61.h (revision 227907)
> @@ -167,7 +167,7 @@
> %{!maix64:\
> %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
> %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}\
> - %{shared:crtcxa_s%O%s;:crtcxa%O%s}"
> + %{shared:crtcxa_s%O%s;:crtcxa%O%s} crtdbase%O%s"
>
> /* AIX V5 typedefs ptrdiff_t as "long" while earlier releases used "int". */
>
> In trying to build gcc-8.1.0 on AIX 5.3 (cf. PR86553), I looked at how
> libgcc_s.a was built and, on AIX 6 and 7, crtdbase was linked in,
> providing __gcc_unwind_dbase (and crtcxa_s for __dso_handle). However,
> on AIX 5.3, this file is never included because
> gcc/config/rs6000/aix53.h has:
> #undef STARTFILE_SPEC
> #define STARTFILE_SPEC "%{!shared:\
> %{maix64:%{pg:gcrt0_64%O%s}%{!pg:%{p:mcrt0_64%O%s}%{!p:crt0_64%O%s}}}\
> %{!maix64:\
> %{pthread:%{pg:gcrt0_r%O%s}%{!pg:%{p:mcrt0_r%O%s}%{!p:crt0_r%O%s}}}\
> %{!pthread:%{pg:gcrt0%O%s}%{!pg:%{p:mcrt0%O%s}%{!p:crt0%O%s}}}}}"
>
> A patch similar to the above must also be made to aix53.h for 8.1.0 to
> build successfully on AIX 5.3. At the moment, GCC 5+ doesn't build on
> AIX 5.3 because of the above.
>
> --
> albert chin (ch...@thewrittenword.com)
