Re: [BUGS] (Modified) Patch request for PostgreSQL 7.4 for HP-UX IA-64 - Mailing list pgsql-patches

From ViSolve Open Source Team
Subject Re: [BUGS] (Modified) Patch request for PostgreSQL 7.4 for HP-UX IA-64
Date
Msg-id 015c01c3b927$554b7ee0$70800d0f@NETMERCURY
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Responses Re: [BUGS] (Modified) Patch request for PostgreSQL 7.4  (Andrew Dunstan <andrew@dunslane.net>)
Re: [BUGS] (Modified) Patch request for PostgreSQL 7.4 for  (Bruce Momjian <pgman@candle.pha.pa.us>)
List pgsql-patches
Bruce,
 
Thanks for the comments/questions.  A couple of points in response:
 
1. About the #if defined (_HP_aCC) || defined (_HP_cc)
 
We agree.  That line can go.
 
2. About the TMPFILE definition change from .c to .h:  Unfortunately,  the -V option does not work the same way across HP compilers (it works as expected with HP aCC, but not with HP cc).  

We have a couple of alternatives here.  
 
a. Using `uname` (to look for HP-UX)  and checking to see if $CPP is set to /usr/bin/cc or /opt/aCC/bin/aCC. Not good.
b. Doing nothing. The TMPFILE mod is a trivial change to make with each new version of PostgreSQL that we build for HP-UX.  (We had in fact suggested this in our original request email). So if  you make no changes to the TMPFILE code, that will be fine too.
 
thanks
ViSolve OpenSource Team
 
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Sat, 29 Nov 2003 23:33:38 -0500 (EST)
From: Bruce Momjian <pgman@candle.pha.pa.us
Message-Id: <200311300433.hAU4Xcs26486@candle.pha.pa.us
Subject: Re: [BUGS] (Modified) Patch request for PostgreSQL 7.4 for HP-UX
IA-64
In-Reply-To: <019301c3af01$029c9470$70800d0f@NETMERCURY
To: ViSolve Open Source Team <opensrc_support_hp@visolve.com
Date: Sat, 29 Nov 2003 23:33:38 -0500 (EST)
CC: PostgreSQL-patches <pgsql-patches@postgresql.org,
   Peter Eisentraut <peter_e@gmx.net
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ViSolve Open Source Team wrote:
Subject: PostgreSQL Patch: Modified Test-and-set routine for HP-UX
(IA-64) specifically for the HP-C compiler
 
With reference to Tom Lane's response to our previous patch request  (at
http://archives.postgresql.org/pgsql-bugs/2003-10/msg00149.php)
this is a modified and more focussed patch request for PostgreSQL for
for HP-UX 11i V2  for the Intel Itanium architecture  (known to the
PostgreSQL code as IA-64).
 
Peter mentioned:
 
>What is this line all about?
 
>+#if defined(__HP_aCC) || defined(__HP_cc)
 
>There are no other compilers supported, so this seems redundant.
 
OK, I will remove this check.
 
Peter also mentioned:
 
>You're doing this:
 
>-TMPFILE="$TMPDIR/genbkitmp$$.c"
>+TMPFILE="$TMPDIR/genbkitmp$$.h"
 
I'm afraid this will not fly, because calling the preprocessor is only
portable on .c files.  Generally, it's also unwise to rely in this kind
of subtle side effect.  We need a general solution.
 
Can you give us a way to test for your preprocessor?  Is there some
unique output like --version or -V that we can test and use *.h only
in that case?
 
--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073
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