Re: [Rd] dyn.load (PR#9364)

From: Duncan Temple Lang <duncan_at_wald.ucdavis.edu>
Date: Wed 15 Nov 2006 - 15:19:31 GMT

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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

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

>
> --
> Duncan Temple Lang duncan@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@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel

iD8DBQFFWzAD9p/Jzwa2QP4RAjbkAJ49mY7NM24Obpmmd+KyofKzWM1QSwCdE2O+ OiS43SZp8c05l6P0aEIJkk8=
=yxdw
-----END PGP SIGNATURE-----



R-devel@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-devel Received on Thu Nov 16 03:02:50 2006

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.1.8, at Wed 15 Nov 2006 - 18:30:44 GMT.

Mailing list information is available at https://stat.ethz.ch/mailman/listinfo/r-devel. Please read the posting guide before posting to the list.