[R] RE: new packages: geepack and KMsurv

[Jari Oksanen]

jsendak at omniwhittington.co.uk said:
> I downloaded geepack from your site and installed it from the zip
> file. However, although it appears under my library directory, I could
> not load into R.

I found out that all old packages with compiled code in shared libraries fail to
load in R-1.6.0. My platform is RH7.3 with the notorious C/G77 compiler, but the
reason seem not to be changes in compiler, but changes in R. Packages that I had
compiled and installed day before upgrading to R-1.6.0 failed after upgrading.
The problem vanishes when the package is re-installed from the source. This is a
mild nuisance and for several packages I wait that they are ugpraded in CRAN so
that re-building happens automatically. I am not sure if this is the reason with
your trouble with binary packages, since your platform is very different. This
is the output I get with one example package:

> library(acepack)
Error in dyn.load(x, as.logical(local), as.logical(now)) : 
	unable to load shared library "/usr/lib/R/library/acepack/libs/acepack.so":
  libR.so: cannot open shared object file: No such file or directory
Error in library(acepack) : .First.lib failed
# But it is there:

> system("ls /usr/lib/R/library/acepack/libs/acepack.so -l")
-rwxr-xr-x    1 root     root        68548 May 29 11:00 /usr/lib/R/library/acepack/libs/acepack.so

> dyn.load("/usr/lib/R/library/acepack/libs/acepack.so")
Error in dyn.load(x, as.logical(local), as.logical(now)) : 
	unable to load shared library "/usr/lib/R/library/acepack/libs/acepack.so":
  libR.so: cannot open shared object file: No such file or directory

I have tried to find if this new behaviour is documented, but I haven't yet
found anything, so this may be an "undocumented feature". Who knows?

cheers, jari oksanen
-- 
Jari Oksanen -- Dept Biology, Univ Oulu, 90014 Oulu, Finland
Ph. +358 8 5531526, cell +358 40 5136529, fax +358 8 5531061
email jari.oksanen at oulu.fi, homepage http://cc.oulu.fi/~jarioksa/


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