[R-SIG-Mac] dyn.load() fails with R 2.6.0

[Simon Urbanek]

Enrico,

On Oct 10, 2007, at 10:02 PM, Enrico Rossi wrote:

> After upgrading to R 2.6.0, I'm having trouble loading compiled  
> Fortran code into R via dyn.load().
>
>> dyn.load("test.so")
> Error in dyn.load("test.so") :
>   unable to load shared library '/Users/erossi/test/test.so':
>   dlopen(/Users/erossi/test/test.so, 6): Library not loaded:
> /Library/Frameworks/R.framework/Versions/2.5/Resources/lib/ 
> libRlapack.dylib
>   Referenced from: /Users/erossi/test/test.so
>   Reason: image not found
>
> Attempting to re-compile using R CMD SHLIB says that the file is up- 
> to-date, and deleting the built file and recompiling makes no  
> difference. The error message seems to be referring to the 2.5  
> framework, not the 2.6 framework ... could that be the problem?
>

Yes, you seem to be mixing R versions when compiling your code. I  
suspect that you have an older R on your PATH so you are compiling  
for the wrong version of R. Please double-check your R versions. If  
the problem persists, please post the full output of the compilation  
and the result of otool -L test.so

Cheers,
Simon



> I also tried the R-patched (2007-10-10 r43136) release from
> r.research.att.net, but that didn't resolve the problem.
> Does anyone know what I'm doing wrong?
>
> Thank you!
> Enrico Rossi
>
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