Re: Index Anding

I will investigate this.

Our gcc is only able to compile 32 bit. I think I will have to see if I
can get/compile a 64 bit gcc

I appreciate the help!

-R

-----Original Message-----
From: pgsql-sql-owner(at)postgresql(dot)org
[mailto:pgsql-sql-owner(at)postgresql(dot)org] On Behalf Of Chris Browne
Sent: Thursday, February 01, 2007 4:45 PM
To: pgsql-sql(at)postgresql(dot)org
Subject: Re: [SQL] Index Anding

ajs(at)crankycanuck(dot)ca (Andrew Sullivan) writes:
>> Does postgres provide 64 bit support? If so is there a precompiled 64
>> bit version for AIX? I have the 32 bit GCC and can compile 32 bit. 64
>> bit GCC I have not gotten stabilized. (I cold use a tip in that
>> direction if anyone lese has experienced similar issues)
>
> I know we've managed to get it to work using gcc, but I haven't had
> to do it in a while (ask on -general or -admin, I suggest). More
> important is to make sure you tell the compiler to use all the
> memory. For reasons that are completely beyond my ken, AIX imposes
> a memory limitation on every program at compile time. There are
> some hints about this in the FAQ_AIX.

Here's the environment data submitted to ./configure for a recent build
of 8.1.5:
pgdba(at)ydb1 $ ./pg_config --configure '--prefix=/where/I/stow/it
'--enable-thread-safety' '--enable-debug'
'--with-libraries=/opt/freeware/lib'
'--with-includes=/opt/freeware/include' 'CC=gcc -maix64'
'LDFLAGS=-Wl,-bmaxdata:0x80000000,-bbigtoc'

Note that you also need to export:
export OBJECT_MODE=64

And you need to make sure that you are using the AIX ld, and not GNU
ld...

For version 7.4, it was considerably fiddlier to do a build. For 8.2,
it is neither overly baroque nor overly unpleasant, which I consider a
direct result of the combination of Seneca Cunningham's reports to
-hackers/-ports as well as BuildFarm runs...
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