PARI/GP Bug report logs - #1239
./Configure issue with GMP ABI selection on HPux 11iv3(B.11.31) ia64

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From Bill.Allombert@math.u-bordeaux1.fr Tue Sep 20 23:58:48 2011
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Date: Tue, 20 Sep 2011 23:58:42 +0200
From: Bill Allombert <Bill.Allombert@math.u-bordeaux1.fr>
To: Bill.Glessner@cwu.EDU, 1239@pari.math.u-bordeaux.fr
Subject: Re: Bug#1239: ./Configure issue with GMP ABI selection on HPux
 11iv3(B.11.31) ia64
Message-ID: <20110920215842.GG21798@yellowpig>
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On Mon, Sep 19, 2011 at 10:37:40AM -0700, Bill.Glessner@cwu.EDU wrote:
> 
> Package: pari
> Version: 2.5.0
> 
> Hello Bill,
> 
> I have had a chance to do some more research into the environment on the
> HPux rx4640 Itanium /HPux 11iv3 platofrm in which I am trying to install
> pari 2.5.0.
> 
> The gmplib.org documentation site in the section
> http://gmplib.org/manual/ABI-and-ISA.html#ABI-and-ISA for IA-64 shows
> two possibilities: IA-64 under HP-UX and other IA-64 systems, basically
> Linux implementations. 
> The HP-UX specifics show that GMP can have either 
> an ABI=32 environment where pointers, ints and longs are 32 bits and GMP 
>  uses a 64 bit long long for a limb or

Hello Bill, 
You hit the problem:
This ABI is not supported by PARI: PARI require limbs to be long.

> an ABI=64 environment where pointers and longs are 32 bits and GMP uses
>  a long for a limb.

did you mean pointers and longs are 64 bits ?

> The initial GMP statement showing 2 possible HP-UX ABI environments says
> that peformance is the same in both.

> When I built the gcc 4.5.3 environment at our site, I did not specify a 
> special ABI for GMP, mpfr, mpc, etc when building them so that their ABIs
> are the default ABI=32.
> In the PARI GP version 2.5.0 config/ directory there is a program 
> gmp_version.c
> 
> The code will not return a gmp_version for the HP-UX / GMP ABI=32
> environment where sizeof(mp_limb_t) would need to match sizeof(long long).

Yes, PARI requires that sizeof(long)==sizeof(void*), so it will not work
with ABI=32.

> separate environment for ABI=64 GMP and its associated libraries so that
> it functions essentially like the Linux IA-64 environments. Since I
> currently don't need a separate ABI=64 GMP environment for anything else
> besides pari, I guess I would prefer that pari change, if possible. 
> 
> The build, /usr/local/bin/gmake gp, of pari 2.5.0 on HP-UX 11iv3 with 
> the change to gmp_version.c does fail with the following:
> 
> ...
> gcc  -c -O3 -Wall -fno-strict-aliasing -fomit-frame-pointer    -I. -I../src/head
> ers -fPIC -o hash.o ../src/language/hash.c
> ../src/language/hash.c:171:1: error: conflicting types for 'compound'
> /usr/include/math.h:379:23: note: previous declaration of 'compound' was here
> gmake[1]: *** [hash.o] Error 1
> gmake[1]: Leaving directory `/DreamLand/JunqueYard_gccN/pari-2.5.0/Ohpux-ia64'
> gmake: *** [gp] Error 2

This is an unrelated issue. 
The file src/language/hash.c include a static function compound which somehow
clash with a function in /usr/include/math.h with the same name.
Since compound is static, you can rename it to something else.
Compound in libm looks like a HPUX addition.

Cheers,
Bill.

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