From: | Nikola Milutinovic <Nikola(dot)Milutinovic(at)ev(dot)co(dot)yu> |
---|---|
To: | PgSQL General <pgsql-general(at)postgresql(dot)org>, PgSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: PgSQL 7.4.2 - NaN on Tru64 UNIX - CORRECTION!!! |
Date: | 2004-05-19 06:42:23 |
Message-ID: | 40AB01CF.8060507@ev.co.yu |
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Lists: | pgsql-general pgsql-hackers pgsql-patches |
Tom Lane wrote:
> Nikola Milutinovic <Nikola(dot)Milutinovic(at)ev(dot)co(dot)yu> writes:
>
>>[ about NaN on Tru64 ]
>>This compiles on Tru64 4.0D (the compiler swallows it), but fails on
>>Tru64 UNIX 5.1B. Both basic CC and DTK Compaq CC break on that file
>>complaining on that constant evaluation. The best way to solve it is to
>>use system definition of "Infinity Constants":
>>...
>>+ #define NAN DBL_INFINITY
>
>
> Current CVS tip will probably fail with this, because we expect the
> platform to distinguish between NaN and Infinity. Could you retry your
> experiments with a recent snapshot and let us know what seems best now?
Appologies to all, I have been blind!
Disregard my proposed patches. One of users on Tru64 mailing list
pointed me to a correct solution - add "-ieee" to CC flags. I took a
look at templates for OSF1 in PgSQL and they read:
CFLAGS="-O -ieee"
Since I was putting my own definition for CFLAGS, I left out "-ieee". I
have reverted ./src/include/port/osf1.h to the the original and changed
CFLAGS in ./src/Makefile.global to include "-ieee". Then I rebuild
./src/backend/utils/adt/float.o (I'll rebuild the whole PostgreSQL in a
moment) and ran regression tests.
All 93 tests passed.
So, again, my apologies to all, no change neccesary.
Nix.
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