[Rd] dyn.load (PR#9364)

[Duncan Temple Lang]

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Great. So now we know that Johnatha is running on a PPC.
Unfortunately, this isn't included in the details of the
OS in the bug report.

stefano.iacus at unimi.it wrote:
> here is the output
> 
> 
>  > source("run.R")
> gcc-4.0 -arch ppc -I/Library/Frameworks/R.framework/Resources/include  
> -I/Library/Frameworks/R.framework/Resources/include/ppc  -I/usr/local/ 
> include    -fPIC  -g -O2 -std=gnu99 -c code.c -o code.o
> gcc-4.0 -arch ppc -dynamiclib -Wl,-macosx_version_min -Wl,10.3 - 
> undefined dynamic_lookup -single_module -multiply_defined suppress -L/ 
> usr/local/lib -o foo.so code.o   -L/Library/Frameworks/R.framework/ 
> Resources/lib/ppc -lR -dylib_file libRblas.dylib:/Library/Frameworks/ 
> R.framework/Resources/lib/ppc/libRblas.dylib
> loaded DLL/SO
> first attempt
> gcc-4.0 -arch ppc -I/Library/Frameworks/R.framework/Resources/include  
> -I/Library/Frameworks/R.framework/Resources/include/ppc  -I/usr/local/ 
> include    -fPIC  -g -O2 -std=gnu99 -c other.c -o other.o
> gcc-4.0 -arch ppc -dynamiclib -Wl,-macosx_version_min -Wl,10.3 - 
> undefined dynamic_lookup -single_module -multiply_defined suppress -L/ 
> usr/local/lib -o foo.so other.o   -L/Library/Frameworks/R.framework/ 
> Resources/lib/ppc -lR -dylib_file libRblas.dylib:/Library/Frameworks/ 
> R.framework/Resources/lib/ppc/libRblas.dylib
> loaded DLL/SO
> first attempt
> [1] "Failed"
> 
> 
> On 16/nov/06, at 00:07, Duncan Temple Lang wrote:
> 
> 
> 
> I was just testing this myself on various machines.
> And it behaves on Linux, Windows and also on
> my Intel Mac (OS X 10.4.8).
> 
> Stefano, is this restriction on OS X still in effect?
> (Unfortunately I can't test this on any of my Power PC macs
> just at the moment. Just building R-2.4-0 one one of them.)
> 
> There is test code available at
>   www.omegahat.org/Misc/Rdynunload.tar.gz
> 
> The script run.R does the builds and load and unloads
> and runs the entire test. Without a programmatic test
> it is easy to test the wrong thing.
> 
>  D.
> 
> stefano iacus wrote:
> 
>>In OS X you cannot "unload" dynamically linked code. This is a known
>>"feature" of OS X :(
>>This is not an R bug.
> 
>>stefano
> 
>>On 15/nov/06, at 15:27, tuke at senet.com.au wrote:
> 
> 
> 
>>>Full_Name: Jonathan Tuke
>>>Version: 2.4.0
>>>OS: Mac OS X 10.4.8
>>>Submission from: (NULL) (203.173.46.189)
> 
> 
>>>I am writing C code to implement in R. I am using R CMD SHLIB and  
>>>then
>>>dyn.load("file.so"). The function I then call with .C("function").
>>>Since I
>>>installed the latest R version, I have found that if I alter my C
>>>code and
>>>recompile, then use dyn.load("file.so"), the function in R is not
>>>updated but
>>>remains as the previous code. I have tried dyn.unload, but when I
>>>use dyn.load()
>>>the initially loaded code is used. The only way to load the updated
>>>c code is to
>>>quit R and then reopen.
> 
>>>Thanks,
>>>Jono
> 
>>>______________________________________________
>>>R-devel at r-project.org mailing list
>>>https://stat.ethz.ch/mailman/listinfo/r-devel
> 
> 
> 
>>______________________________________________
>>R-devel at r-project.org mailing list
>>https://stat.ethz.ch/mailman/listinfo/r-devel
> 
> --
> Duncan Temple Lang                    duncan at wald.ucdavis.edu
> Department of Statistics              work:  (530) 752-4782
> 4210 Mathematical Sciences Building   fax:   (530) 752-7099
> One Shields Ave.
> University of California at Davis
> Davis,
> CA 95616,
> USA

> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel

- --
Duncan Temple Lang                    duncan at wald.ucdavis.edu
Department of Statistics              work:  (530) 752-4782
4210 Mathematical Sciences Building   fax:   (530) 752-7099
One Shields Ave.
University of California at Davis
Davis,
CA 95616,
USA
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