running R on AIX (>= 4.2)

[Arne Kovac]

On Thu, 10 Jun 1999, Thomas Vogels wrote:

>   - One problem appears to be the list of exported symbols.  Tcl's
>     ldAix can do this job.  It needs a little help, however.

I don't think you need this anymore - just use -bexapll for the linker.

>   - I'm unaware of weaknesses or strengths of the compilers shipped
>     with AIX.  Any preference for the duo xlc/xlf or cc/f77?  (Yes,
>     they look like they're same thing, but NO, they act differently.)

There is a lot of discussion going on about the new library format in AIX
4.3.x. I have experienced a lot of problems with IBM's compiler duo and
usually use egcs. My impression is that using gcc or egcs might facilitate
porting anyway, since a lot of people compile R with these compilers on
other platforms.

>   - Hmm, why did I want to get R on AIX?  Ah, I couldn't get S-plus to
>     load the VR library.  It's nice to have the sources...

If my memories are right, then the shipping S-Plus for AIX was compiled on
a very old AIX version (3.2.5) with an odd version of the compiler. Thus,
there are some problems with loading object code dynamically.

Arne


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