[Rcpp-devel] C++ compiler being omitted during compilation

[Qiang Kou]

Hi, Charles, I think this is a known problem in Microsoft R Open.

You can try to add following lines into your ~/.R/Makevars file:

CXX1X=gcc -std=c++0x
CXX1XSTD=-std=c++0x

Best,

KK

On Mon, Feb 20, 2017 at 11:29 AM, Charles Determan <cdetermanjr at gmail.com>
wrote:

> Greetings,
>
> I have run in a problem where a user tries to install my package 'gpuR'
> and the compilation is showing the C++ compiler absent resulting in errors
> like:
>
> I/usr/lib64/microsoft-r/3.3/lib64/R/include -DNDEBUG -I../inst/include
> -DCL_HPP_MINIMUM_OPENCL_VERSION=110 -DCL_USE_DEPRECATED_OPENCL_1_2_APIS
> -DCL_HPP_TARGET_OPENCL_VERSION=120 -I'/usr/include/' -I. -pthread
> -DU_STATIC_IMPLEMENTATION -I"/usr/lib64/microsoft-r/3.3/lib64/R/library/Rcpp/include"
> -I"/usr/lib64/microsoft-r/3.3/lib64/R/library/RcppEigen/include"
> -I"/usr/lib64/microsoft-r/3.3/lib64/R/library/RViennaCL/include"
> -I"/usr/lib64/microsoft-r/3.3/lib64/R/library/BH/include"      -c
> vienna_svd.cpp -o vienna_svd.o
>
> sh: I/usr/lib64/microsoft-r/3.3/lib64/R/include: No such file or directory
>
> You can find the full issue here (https://github.com/cdeterman/
> gpuR/issues/66).
>
> What I don't understand is what could be causing this.  On the particular
> machine (CentOS 7) with using Microsoft R Open the 'Makevars' files ends up
> like this:
>
> CXX_STD=CXX11
> PKG_CPPFLAGS=-I../inst/include -DCL_HPP_MINIMUM_OPENCL_VERSION=110
> -DCL_USE_DEPRECATED_OPENCL_1_2_APIS -DCL_HPP_TARGET_OPENCL_VERSION=120
> -I'/usr/include/' -I. -pthread
> PKG_CXXFLAGS=
> PKG_LIBS=-L../inst/include/loader -lOpenCL -pthread
> BUILD_LIB=../inst/include/loader/libOpenCL.a
>
> $(SHLIB): $(BUILD_LIB)
>
> ../inst/include/loader/libOpenCL.a:
>         cd ../inst/include/loader/ && $(MAKE) libOpenCL.a \
>         CC="$(CC)" CFLAGS="$(ALL_CFLAGS)" AR="$(AR)" RM="$(RM)" \
>         ICD_OS=icd_linux
>
> Have I mistakenly set something here that is causing this problem?
>
> I tried putting the 'CXX=g++' in the `Makevars` but I had previously read
> that it is ignored by the internal R `Makefile` so naturally it provided no
> help.
>
> Regards,
> Charles
>
>
> _______________________________________________
> Rcpp-devel mailing list
> Rcpp-devel at lists.r-forge.r-project.org
> https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
>



-- 
Qiang Kou
qkou at umail.iu.edu
School of Informatics and Computing, Indiana University
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.r-forge.r-project.org/pipermail/rcpp-devel/attachments/20170220/b7855fe2/attachment.html>