Hey Listeners,
I am quite solid in R but a complete noob to C++ and Rcpp so please excuse
if do not get it right ...
My problem is that I would like to have a package using Rcpp AND using
C++11 features AND working on both Linux (Debian derivates) and Windows.
For Linux I seem to be on the right track and features like 'auto' and
'iterators' do work. On Windows however it will not compile.
As far as I understand it, the main problem is that Rtools comes with a
compiler that simply does not support those features (g++ version 4.6.3).
Furthermore, I found that C++11 features are not CRAN compatible - right?
Do I get it right so far? Can you give guidance on how best to proceed?
Should I get a newer g++/or-other compiler and make it the system default?
What are best or good working practices? Windows/Linux is a must and
system tweaks for other Windows users installing/building the package
should be minimal, though CRAN compliance would be only a minor extra.
I hope I did not miss some obvious documentation or already existing
I-take-you-by-the-hand-blog-post.
Best, Peter
Compilation error:
* installing to library 'C:/Users/Admin/Documents/R/win-library/3.2'
* installing *source* package 'spanmatcher' ...
g++ -m64 -std=c++0x -I"C:/PROGRA~1/R/R-32~1.3/include" -DNDEBUG
-I"C:/Users/Admin/Documents/R/win-library/3.2/Rcpp/include"
-I"d:/RCompile/r-compiling/local/local323/include" -O2 -Wall
-mtune=core2 -c span_matcher_worker.cpp -o span_matcher_worker.o
** libs
g++ -m64 -shared -s -static-libgcc -o spanmatcher.dll tmp.def
RcppExports.o span_matcher_worker.o
-Ld:/RCompile/r-compiling/local/local323/lib/x64
-Ld:/RCompile/r-compiling/local/local323/lib
-LC:/PROGRA~1/R/R-32~1.3/bin/x64 -lR
collect2: ld returned 148 exit status
no DLL was created
ERROR: compilation failed for package 'spanmatcher'
My system:
R version 3.2.3 (2015-12-10)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows >= 8 x64 (build 9200)
locale:
[1] LC_COLLATE=German_Germany.1252 LC_CTYPE=German_Germany.1252
[3] LC_MONETARY=German_Germany.1252 LC_NUMERIC=C
[5] LC_TIME=German_Germany.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] devtools_1.9.1 Rcpp_0.12.2
loaded via a namespace (and not attached):
[1] tools_3.2.3
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