[Rcpp-devel] Rcpp release candidate

[JJ Allaire]

I couldn't reproduce this on Windows 7 with R 3.1 (which should have been
using USE_CXX1X="yes" under the hood resulting in -std=c++0x passed to gcc).

However, I have this change which should make the cpp11 plugin
automatically pass -std=c++0x when on R <= 3.0:

https://github.com/RcppCore/Rcpp/pull/148

Does that work for you? You can install with:

devtools::install_github("RcppCore/Rcpp", ref = "feature/windows-c++0x")


On Thu, Jun 5, 2014 at 3:36 AM, Gabor Grothendieck <ggrothendieck at gmail.com>
wrote:

> On Wed, Jun 4, 2014 at 11:21 PM, Dirk Eddelbuettel <edd at debian.org> wrote:
> >
> > Rcpp 0.11.2 should be ready.
> >
> > If anybody wants to jump in and do last minute testing, please do so now.
> >
> > I ran two complete tests against CRAN last weekend, the results are
> > summarized as usual in the GitHub repo at
> >
> >    https://github.com/RcppCore/rcpp-logs
> >
> > Of 215 CRAN packages, all but 18 passed. Of those 18 a number where due
> to
> > package sirt not building because ... I use FC='ccache gfortran' which
> is not
> > gfortran so its configure failed. Grrr. I would pass next time.
> >
> > Anyway, 195 packages passed just fine, so we should be good.  But if
> there is
> > something anyone of you would like to test, now would be a good time as
> I may
> > upload the current version to CRAN in the next few days unless I hear
> > objections.
> >
>
> There seems to be a problem using Rcpp::plugins("cpp11") on Windows
> 8.1.  It gives the error:
> cc1plus.exe: error: unrecognized command line option '-std=c++11'
>
> I am using Rtools 3.1.0.1942 (which is the latest version) and for
> that it needs -std=c++0x or -std=gnu++0x
>
> If I remove the plugins line and instead issue this line first then it
> all works (except as per prior email I built Rcpp without vignettes to
> get around that problem):
> Sys.setenv("PKG_CXXFLAGS"="-std=c++0x") # for gcc 4.6.3
>
> > code <- '
> + // [[Rcpp::plugins("cpp11")]]
> +
> + #include <Rcpp.h>
> + #include <boost/range/irange.hpp>
> +
> + using boost::irange;
> +
> + // [[Rcpp::depends(BH)]]
> +
> + // [[Rcpp::export]]
> + int useCpp11() {
> +     auto sum(0);
> +     for(const auto& i : irange(0,4)) { sum += i; }
> +     return sum;
> + }
> + '
> > library(Rcpp)
> > sourceCpp(code = code)
> g++ -m64 -I"C:/PROGRA~1/R/R-3.1/include" -DNDEBUG
> -I"C:/Users/Gabor/Documents/R/win-library/3.1/Rcpp/include"
> -I"C:/Users/Gabor/Documents/R/win-library/3.1/BH/include"
> -I"d:/RCompile/CRANpkg/extralibs64/local/include"  -std=c++11    -O2
> -Wall  -mtune=core2 -c file18a42f7f546e.cpp -o file18a42f7f546e.o
> cc1plus.exe: error: unrecognized command line option '-std=c++11'
> make: *** [file18a42f7f546e.o] Error 1 Warning message: running
> command 'make -f "C:/PROGRA~1/R/R-3.1/etc/x64/Makeconf" -f
> "C:/PROGRA~1/R/R-3.1/share/make/winshlib.mk"
> SHLIB_LDFLAGS='$(SHLIB_CXXLDFLAGS)' SHLIB_LD='$(SHLIB_CXXLD)'
> SHLIB="sourceCpp_83768.dll" WIN=64 TCLBIN=64
> OBJECTS="file18a42f7f546e.o"' had status 2
> Error in sourceCpp(code = code) :
>   Error 1 occurred building shared library.
> > useCpp11()
> Error: could not find function "useCpp11"
> > sourceCpp(code = code, verbose = TRUE)
>
> Generated extern "C" functions
> --------------------------------------------------------
>
>
> #include <Rcpp.h>
>
> RcppExport SEXP sourceCpp_37333_useCpp11() {
> BEGIN_RCPP
>     SEXP __sexp_result;
>     {
>         Rcpp::RNGScope __rngScope;
>         int __result = useCpp11();
>         PROTECT(__sexp_result = Rcpp::wrap(__result));
>     }
>     UNPROTECT(1);
>     return __sexp_result;
> END_RCPP
> }
>
> Generated R functions
> -------------------------------------------------------
>
> `.sourceCpp_37333_DLLInfo` <-
>
> dyn.load('C:/Users/Gabor/AppData/Local/Temp/RtmpmUpJdX/sourcecpp_18a41e263c3c/sourceCpp_77519.dll')
>
> useCpp11 <- Rcpp:::sourceCppFunction(function() {}, FALSE,
> `.sourceCpp_37333_DLLInfo`, 'sourceCpp_37333_useCpp11')
>
> rm(`.sourceCpp_37333_DLLInfo`)
>
> Building shared library
> --------------------------------------------------------
>
> DIR: C:/Users/Gabor/AppData/Local/Temp/RtmpmUpJdX/sourcecpp_18a41e263c3c
>
> C:/PROGRA~1/R/R-3.1/bin/x64/R CMD SHLIB -o "sourceCpp_77519.dll"
> "file18a42f7f546e.cpp"
> g++ -m64 -I"C:/PROGRA~1/R/R-3.1/include" -DNDEBUG
> -I"C:/Users/Gabor/Documents/R/win-library/3.1/Rcpp/include"
> -I"C:/Users/Gabor/Documents/R/win-library/3.1/BH/include"
> -I"d:/RCompile/CRANpkg/extralibs64/local/include"  -std=c++11    -O2
> -Wall  -mtune=core2 -c file18a42f7f546e.cpp -o file18a42f7f546e.o
> cc1plus.exe: error: unrecognized command line option '-std=c++11'
> make: *** [file18a42f7f546e.o] Error 1
> Warning message:
> running command 'make -f "C:/PROGRA~1/R/R-3.1/etc/x64/Makeconf" -f
> "C:/PROGRA~1/R/R-3.1/share/make/winshlib.mk"
> SHLIB_LDFLAGS='$(SHLIB_CXXLDFLAGS)' SHLIB_LD='$(SHLIB_CXXLD)'
> SHLIB="sourceCpp_77519.dll" WIN=64 TCLBIN=64
> OBJECTS="file18a42f7f546e.o"' had status 2
> Error in sourceCpp(code = code, verbose = TRUE) :
>   Error 1 occurred building shared library.
>
>
>
>
> --
> Statistics & Software Consulting
> GKX Group, GKX Associates Inc.
> tel: 1-877-GKX-GROUP
> email: ggrothendieck at gmail.com
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