[Rcpp-devel] g++ flags

Wed May 7 17:53:59 CEST 2014

Thanks for the clarification, Martyn.

On Wed, May 7, 2014 at 7:18 AM, Martyn Plummer <plummerm at iarc.fr> wrote:
> On Wed, 2014-05-07 at 08:59 -0400, Gabor Grothendieck wrote:
>> I did read it but his theory must be wrong
>
> I'm right here you know.
>
>> since it failed as
>> described before Kevin's fix and worked afterwards.
>
> It is a Windows-specific issue. The help page for Sys.setenv reveals
> all:
>
> "Most platforms allow setting an environment variable to "", but Windows
> does not, and there Sys.setenv(FOO = "") unsets FOO."
>
> Martyn
>
>> On Wed, May 7, 2014 at 8:14 AM, Dirk Eddelbuettel <edd at debian.org> wrote:
>> >
>> > On 7 May 2014 at 06:47, Gabor Grothendieck wrote:
>> > | I am now getting latex errors when I try to install Rcpp from github
>> >
>> > We treat GitHub as a development repository, just like R-Forge before it.
>> >
>> > To us, it is not a means for general distribution (though we strive to keep
>> > the master branch sane at all times).  OTOH releases are rigorously tested on
>> > win-builder and other platforms. So if in doubt, use CRAN.
>> >
>> > That said, even GitHub gets continuous integration and builds on every
>> > commit. Things generally work for the OS X and Linux crowds (for several
>> > flavours of each). We do turn vignettes off on GitHub to save some processing
>> > time. Building vignettes requires highlight (the package) and a decent LaTeX.
>> >
>> > As nobody in Rcpp Core develops (primarily) on Windows, if something breaks
>> > you get to keep the pieces -- at least until you, or someone else, fixes it.
>> >
>> > Dirk
>> >
>> >
>> > | (see below) but it does now work (without the vignettes) if I use:
>> > |    github_install("RcppCore/Rcpp", build_vignettes = FALSE)
>> > | so at least I can proceed without explicitly setting any environment
>> > | variables now.
>> > | Thanks.
>> > |
>> > | > R.version.string
>> > | [1] "R version 3.1.0 Patched (2014-05-03 r65519)"
>> > | >
>> > | > devtools::install_github("RcppCore/rcpp")
>> > | Installing github repo rcpp/master from RcppCore
>> > | Downloading master.zip from https://github.com/RcppCore/rcpp/archive/master.zip
>> > |
>> > | <snip>
>> > |
>> > | * creating vignettes ...Warning: running command
>> > | '"C:/PROGRA~1/R/R-3.1/bin/x64/Rscript" --vanilla --default-packages=
>> > | -e "tools::buildVignettes(dir = '.', tangle = TRUE)"' had status 1
>> > |  ERROR
>> > | Loading required package: inline
>> > | Loading required package: highlight
>> > |
>> > | Attaching package: 'Rcpp'
>> > |
>> > | The following object is masked from 'package:inline':
>> > |
>> > |     registerPlugin
>> > |
>> > | Warning: running command
>> > | '"C:\PROGRA~2\MIKTEX~1.9\miktex\bin\texi2dvi.exe" --quiet --pdf
>> > | "Rcpp-FAQ.tex" --max-iterations=20 -I
>> > | "C:/PROGRA~1/R/R-3.1/share/texmf/tex/latex" -I
>> > | "C:/PROGRA~1/R/R-3.1/share/texmf/bibtex/bst"' had status 1
>> > | Error: running 'texi2dvi' on 'Rcpp-FAQ.tex' failed
>> > |
>> > | LaTeX errors:
>> > | cpp-FAQ.tex:516: pdfTeX error (font expansion): auto expansion is only possible
>> > |  with scalable fonts
>> > |
>> > |
>> > | Here is how much of TeX's memory you used:
>> > | cpp-FAQ.tex:516:  ==> Fatal error occurred, no output PDF file produced!
>> > | Execution halted
>> > | Error: Command failed (1)
>> > |
>> > | On Wed, May 7, 2014 at 1:50 AM, Kevin Ushey <kevinushey at gmail.com> wrote:
>> > | > Hi Gabor,
>> > | >
>> > | > Looks like it was a bug on our end -- R-exts specifies that USE_CXX1X
>> > | > should be set to any value; we try to set it to nothing (ie, define it
>> > | > but leave it empty) but apparently that is not accepted.
>> > | >
>> > | > I just pushed a bug fix to GitHub and it works on my Windows VM; can
>> > | > you give it another shot?
>> > | >
>> > | > Thanks,
>> > | > Kevin
>> > | >
>> > | > On Tue, May 6, 2014 at 9:09 PM, Gabor Grothendieck
>> > | > <ggrothendieck at gmail.com> wrote:
>> > | >> On Windows with R 3.1 I installed the latest Rcpp from github and did
>> > | >> the following but the compliation gave an error which was was due to
>> > | >> the C++11 constructs.  If I rerun it but uncomment the Sys.setenv line
>> > | >> then it works. What do I do to get the cpp11 attribute to work?
>> > | >>
>> > | >> library(Rcpp)
>> > | >> # Sys.setenv("PKG_CXXFLAGS"="-std=c++0x")
>> > | >> cat('
>> > | >> // [[Rcpp::plugins("cpp11")]]
>> > | >> // [[Rcpp::export]]
>> > | >> int useCpp11() {
>> > | >>     auto x = 10;
>> > | >>     return x;
>> > | >> }
>> > | >> ', file = "testauto.cpp")
>> > | >> sourceCpp("testauto.cpp")
>> > | >>
>> > | >> On Wed, Apr 30, 2014 at 11:12 AM, Dirk Eddelbuettel <edd at debian.org> wrote:
>> > | >>>
>> > | >>> On 30 April 2014 at 10:05, Dirk Eddelbuettel wrote:
>> > | >>> |
>> > | >>> | On 30 April 2014 at 10:41, JJ Allaire wrote:
>> > | >>> | | I think that might be overkill (or something that we can do later if users ask
>> > | >>> | | for it).
>> > | >>> |
>> > | >>> | It is a one-liner, and it just sits there to be used, like OpenMP plugin.
>> > | >>> |
>> > | >>> | So in that sense it doesn't hurt, and it may yet help those for which both R
>> > | >>> | < 3.1.0 and Windows are true.
>> > | >>>
>> > | >>> Actually, as Gabor points out, where 'R < 3.1.0' and 'g++ < 4.7' which may
>> > | >>> also be a bunch of servers running older RHEL or Ubuntu LTS.
>> > | >>>
>> > | >>> Dirk
>> > | >>>
>> > | >>> --
>> > | >>> Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com
>> > | >>> _______________________________________________
>> > | >>> 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
>> > | >>
>> > | >>
>> > | >>
>> > | >> --
>> > | >> Statistics & Software Consulting
>> > | >> GKX Group, GKX Associates Inc.
>> > | >> tel: 1-877-GKX-GROUP
>> > | >> email: ggrothendieck at gmail.com
>> > | >> _______________________________________________
>> > | >> 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
>> > |
>> > |
>> > |
>> > | --
>> > | Statistics & Software Consulting
>> > | GKX Group, GKX Associates Inc.
>> > | tel: 1-877-GKX-GROUP
>> > | email: ggrothendieck at gmail.com
>> >
>> > --
>> > Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com
>>
>>
>>
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