| From: | Zeugswetter Andreas OSB sIT <Andreas(dot)Zeugswetter(at)s-itsolutions(dot)at> |
|---|---|
| To: | Mihai Criveti <cmihai(at)boreas(dot)ro> |
| Cc: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Subject: | Re: 64 bit PostgreSQL 8.3.6 build on AIX 5300-09-02-0849 with IBM XL C/C++ 10.1.0.1 - initdb fails (could not dump unrecognized node type: 650) |
| Date: | 2009-02-09 09:40:11 |
| Message-ID: | 6DAFE8F5425AB84DB3FCA4537D829A561CF5E56E51@M0164.s-mxs.net |
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| Lists: | pgsql-hackers |
> > So if this is a compiler bug, it certainly isn't an obvious one. I'll dig
> > deeper to see how I can convince configure to use -qnooptimize.
>
> Set CFLAGS in its environment. The default is set in src/template/aix
> CFLAGS="-O2 -qmaxmem=16384 -qsrcmsg -qlonglong"
>
> > When I've used the build farm scripts, configure gives xlC_r these flags:
> > configure:7117: xlC_r -q64 -o conftest -O2 -qmaxmem=16384 -qsrcmsg
> > -qlonglong -g -I/opt/freeware/include/libxml2 -L/opt/freeware/lib
> > conftest.c -lm >&5
Um, why are you using the C++ frontend ? Have you tried xlc_r or cc_r instead ?
Using xlC_r or xlc_r, implicitly sets -qansialias. IIRC we had some issues with
aliasing on other platforms too ? Would that switch be wrong ?
Doc sais: "Use type-based aliasing during optimization."
> Dunno where the -q64 came from ...
Probably together with the choice of compiler command ?
Andreas
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