[R] Question with R CMD SHLIB in 64 bit R

[Uwe Ligges]

On 14.04.2012 19:01, Katharine Miller wrote:
> Hi,
>
> Sorry - I should have said that I was using Windows 7 on a 64 bit computer
> in my earlier post.

Which Windows 7? 64-bit or 32-bit?

>
> I used the installer to install R, I did not do a build from source.  I
> have read the installation instructions.  Both R and Rtools are first in my
> path, but by toolchain do you mean that I need to install the mingw-w64
> toolchain?  Since the installation instructions indicate that Windows
> 64-bit is integrated into the R package and build systems, I assumed this
> wasn't necessary - but that would be an easy fix!

You need Rtools 2.15 (and not earlier).
the gcc 4.6.3 is part of it (and it builds both 32 and 64 bit binaries)

Uwe



>
> Thank you.
>
> - Katharine
>
>
>
> 2012/4/14 Uwe Ligges<ligges at statistik.tu-dortmund.de>
>
>>
>>
>> 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
>>>
>>>         [[alternative HTML version deleted]]
>>>
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>>
>