[Rd] dyn.load in linux: missing libraries?
Uwe Ligges
ligges at statistik.uni-dortmund.de
Wed Jul 6 22:49:09 CEST 2005
Tyler Smith wrote:
> ah, that's better. For an immediate fix I just changed .dll to .so, and
No, change it to
.Platform$dynlib.ext
or do as already recommended: use library.dynam()
Uwe Ligges
> it appears to work perfectly. I will read through Writing R Extensions
> to make sure I understand what I'm doing!
>
> Thanks!
>
> Tyler
>
> Peter Dalgaard wrote:
>
>
>>Tyler Smith <tyler.smith at mail.mcgill.ca> writes:
>>
>>
>>
>>
>>>Hi,
>>>
>>>I've just about got myself transferred from windowsXP to Linux (Mepis
>>>3.3.1-1). I've got R 2.1.1, emacs, and ess running from the debian
>>>repositories. Of course, there is a hitch. I have a bit of C code in one
>>>of my personal functions. I have, apparently without problem, been able
>>>to compile it using R CMD SHLIB, but when I try to dyn.load it I get the
>>>following error:
>>>
>>>
>>>>dyn.load("Cfiles/Neutral/Bell2000.dll")
>>>
>>>Error in dyn.load(x, as.logical(local), as.logical(now)) :
>>> unable to load shared library
>>>'/home/tyler/RWorkingDirectory/Cfiles/Neutral/Bell2000.dll':
>>> /home/tyler/RWorkingDirectory/Cfiles/Neutral/Bell2000.dll: invalid ELF
>>>header
>>>
>>>I take this to mean one of the required libraries is either not loaded
>>>or not updated. Or, I've overlooked something. Can anyone point me to a
>>>solution? I tried updating my perl files, and I haven't found anything
>>>using the R Site Search...
>>>
>>>
>>
>>Nope, the missing library is the one that you're trying to load.
>>Dynamic libraries are not called .dll on Linux, but rather .so...
>>
>>You should probably read up on "Writing R Extensions", including the
>>hints on how to write portable code (use library.dynam).
>>
>>
>>
>
>
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