On 14.04.2012 00:24, Katharine Miller wrote:> Hi,
>
> I have some C++ code that I compiled into a dll for use in 32 bit R and
> would like to recompile for use in 64bit R. I thought it would be as easy
> as going to R-2.15.0\bib\x64 and running R CMD SHLIB mfregRF.c
Is this Windows?
1. If so, is your OS 64-bit? Otherwise that R won't run for you.
2. Do you have the latest toolchain first in your PATH?
3. Do yo follow the details of the most recent version of the R
Installation and Administration manual?
Uwe Ligges
> but that doesn't do anything. It doesn't give me any error
messages, but
> it also doesn't create a shared (so) file. I just get the command
prompt
> back.
>
> I also tried \bin\x64 R CMD SHLIB - help, and again got nothing but the
> command prompt back.
>
> Just to check, I ran R CMD SHLIB from \bin\i386 on the same C++ files and
> it produced a working dll just like usual.
>
> Is there something that I need to do to the C++ files to make them
> compatible with 64 bit? They are not file that I made, so I do not know
> how they were originally compiled.
>
> Thanks for any help.
>
> - Katharine
>
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>
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