From Kurt.Hornik at wu-wien.ac.at  Thu May 12 20:51:32 2005
From: Kurt.Hornik at wu-wien.ac.at (Kurt Hornik)
Date: Thu May 12 20:50:36 2005
Subject: [Rd] Implementing R on  IBM p690 cluster Jump
In-Reply-To: <Pine.GSO.4.31.0505121921210.23806-100000@markov.stats>
References: <EC0D7A2E-9673-4D7B-A7EC-AEFD45F35D17@unsw.edu.au>
	<Pine.GSO.4.31.0505121921210.23806-100000@markov.stats>
Message-ID: <17027.42420.949418.284278@mithrandir.hornik.net>

>>>>> Brian D Ripley writes:

> As far as I know R 2.0.1 was built on AIX.  A quick diff
> gannet% diff ~/R/R-2.0.1/src/modules/X11/Makefile
> ~/R/R-2.1.0/src/modules/X11/Makefile
> 54c54
> <       $(SHLIB_LINK) -o $@ $(R_X11_la_LDFLAGS) $(R_X11_la_OBJECTS)
> $(R_X11_la_LIBADD) $(LIBS)
> ---
>> $(SHLIB_LINK) -o $@ $(R_X11_la_LDFLAGS) $(R_X11_la_OBJECTS)
> $(R_X11_la_LIBADD)
> 128c128,129
> <   ../../../src/include/Rmodules/RX11.h
> ---
>> ../../../src/include/Rmodules/RX11.h \
>> ../../../src/include/Rconnections.h

> suggests that AIX (alone) required $(LIBS) there.  As it is harmful on
> some other platforms (the intention is to pick up entry points in
> R.bin/libR rather than duplicate copies of static libraries) I suspect we
> need an AIX-specific workaround (in particular the libintl library is not
> going to be in LIBS).

> This probably applies to other modules and even shared objects in
> packages.

Yes.  It would still be good if someone on AIX could provide us with the
output of BUILDDIR/libtool --config.

-k

> Is there anyone with an AIX machine who is able to work through this
> and provide appropriate diffs?


> On Thu, 12 May 2005, Bill Northcott wrote:

>> On 11/05/2005, at 11:26 PM, Kurt Hornik wrote:
>> >> There seem to be problems in the autoconf stuff.  cos and sin are
>> >> being located in libm but the link line you show has no '-lm' which
>> >> accounts for 6 of the 7 missing symbols.  Also gettext seems to have
>> >> been located by the configure script, but there is no option on the
>> >> link line to include it in the link. Also search configure.in for
>> >> strings like powerpc-ibm-aix to see what stuff is being done
>> >> specifically for AIX.  It may be out of date in relation to your
>> >> system.
>> >>
>> >
>> >
>> >> If it was my problem, I would have look at those bits of the
>> >> configure
>> >> script and the sections of configure.in that generated them.  Then I
>> >> would compare the AC_SUBST variables with the makefile.in that
>> >> generated the link.  It seems there is some non- communication there.
>> 
>> > Yes most of the undefined symbols seem to come from libm.  But they
>> > would also be in libm on all other platforms which have such, and
>> > we do
>> > not include it there.  On Linux I get
>> >
>> > gcc-3.4 -shared -L/usr/local/lib -o R_X11.so  dataentry.lo
>> > devX11.lo rotated.lo rbitmap.lo  -lSM -lICE -L/usr/X11R6/lib -lX11
>> > -ljpeg -lpng -lz -L../../../lib -lR
>> 
>> What happens on Linux is just not really relevant to what happens on
>> AIX, although it might explain why the errors have not been picked
>> up.  A number of platforms do not have a separate libm.  Instead they
>> have a symlink to some general C library.  So typically libm is
>> linked by default on these platforms.  It looks as if that is not the
>> case on AIX, and that a specific -lm flag is needed.
>> >
>> > and this works.  As Brian already wrote, we are building a *module*
>> > here, so I assume that we are not getting the flags for building
>> > modules
>> > right.  Assuming that libtool can, it might be helpful to look at the
>> > output of BUILDDIR/libtool --config.
>> >
>> The error messages are about missing symbols.
>> 
>> Bill
>> 
>> ______________________________________________
>> R-devel@stat.math.ethz.ch mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-devel
>> 

> -- 
> Brian D. Ripley,                  ripley@stats.ox.ac.uk
> Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
> University of Oxford,             Tel:  +44 1865 272861 (self)
> 1 South Parks Road,                     +44 1865 272866 (PA)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595


[Rd] Implementing R on IBM p690 cluster Jump
Kurt Hornik