From Kurt.Hornik@ci.tuwien.ac.at  Thu Apr 22 14:20:19 1999
From: Kurt.Hornik@ci.tuwien.ac.at (Kurt Hornik)
Date: Thu, 22 Apr 1999 15:20:19 +0200 (CEST)
Subject: R on AIX
In-Reply-To: <199904221304.PAA05194@sophie.ethz.ch>
References: <14111.7058.52732.38138@galadriel.ci.tuwien.ac.at>
 <199904221304.PAA05194@sophie.ethz.ch>
Message-ID: <14111.8723.93389.159193@pc87.maho.magnaeu.com>

>>>>> Martin Maechler writes:

>>>>> "FrL" == Friedrich Leisch <Friedrich.Leisch@ci.tuwien.ac.at> writes:
FrL> I tried to build R on AIX and after 2 minor bugfixes everything
FrL> seems to work fine except for dynamic loading of code.

FrL> In a previous mail I found that Fabrizio Moro succeeded using

FrL> SHLIBLDFLAGS="-bM:S1L -bnoentry -bnogc -berok -lc -lm -lodm -lcfg"

FrL> which compiles fine for me, I get also no error messages upon
FrL> dynloading, but no symbols are available afterwards,
FrL> i.e. is.loaded fails (I tried also with trailing underscores
FrL> etc.).

> Yes.  Unfortunately, Fabrizio (nor me) followed up on that mail telling you
> that we (Fabrizio and me) ended up with the exact same symptomps as you
> have.

> I gave up at that time; Fabrizio continues to use S-plus on AIX
> (and R on Linux, to some extentes at least)...
> ... yes a sad story,  but I think we both ended up with the impression that
> AIX is half broken environment anyway 
>  --- at least if you want to compile software that has no problems at all
>      on other architectures...


FrL> Has anybody some experience which flags to use?

FrL> I use an rs6000-ibm-aix4.2.1.0 and the native cc, f77 and ld (gcc
FrL> compiles but produces incorrect code, i.e., some computations are
FrL> wrong).

FrL> Make check succeeds until eda :-)

> exactly. The first time, dyn.load is needed....

It might help to look into other software for which dynloading works
under AIX.  Three potential examples come to mind:

	Xlisp-stat
	Octave
	Tcl

Anyone willing to have a look?

-k
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R on AIX
Kurt Hornik