[Rd] Using Rtools with gcc 4.8.3

[Gabor Grothendieck]

On Sun, Oct 5, 2014 at 6:51 AM, Uwe Ligges
<ligges at statistik.tu-dortmund.de> wrote:
>
>
> On 05.10.2014 12:20, Jeroen Ooms wrote:
>>
>> I started working on some R bindings for mongo-c-driver [1]. The C
>> library compiles fine on Ubuntu Trusty (gcc 4.8.2) and osx (clang),
>> however on my windows machine (gcc 4.6.3 from Rtools 3.1) it fails
>> with:  'INIT_ONCE_STATIC_INIT' undeclared. Google suggests that this
>> might be a problem in older versions of mingw-w64. So I grabbed a copy
>> of mingw-w64 version 4.8.3 and indeed, here the library compiles
>> without errors.
>>
>> Now I am unsure how to make mingw 4.8.3 work with Rtools. I extracted
>> the contents of [2] into "C:\RBuildTools\3.1\gcc-4.8.3\" and my
>> package Makevars contains
>>
>>    CC = "c:/RBuildTools/3.1/gcc-4.8.3/bin/gcc"
>>
>> However it seems like R still uses the old gcc 4.6.3 for R CMD
>> INSTALL. What am I doing wrong? Is there a recommended setup for
>> building packages on Windows using a Rtools but with another compiler?
>>
>> In addition: will I be able to publish this package to CRAN, or do I
>> have to wait for Rtools to get updated with a more recent gcc?
>
>
> Currently only 4.6.3 is supported and that is the one used to build binary
> packages on CRAN. Hence you need to wait until it is updated.
>
> Best,
> Uwe Ligges
>
>
>>
>> [1] https://github.com/mongodb/mongo-c-driver
>> [2]
>> http://sourceforge.net/projects/mingw-w64/files/Toolchains%20targetting%20Win32/Personal%20Builds/mingw-builds/4.8.3/threads-posix/dwarf/
>>

Are there any plans for this?  gcc is already up to 4.9.1 and I am
sure a lot of people would like to see the latest version available as
part of Rtools.


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