[Rcpp-devel] Windows set C++11 flag for new compiler

Dirk Eddelbuettel edd at debian.org
Tue Nov 10 17:16:33 CET 2015

On 10 November 2015 at 10:00, Charles Determan wrote:
| I have installed a more recent compiler and would like to use the -std=c++11
| flag instead of the -std=c++0x.
| system('g++ --version')
| truncated... 5.2.0
| I have a Makevars.win file where I initially set the CXX_STD=CXX11 however this
| uses the default C++11 flag returned from R CMD config CXX1XSTD (i.e. c++0x). 
| This is insufficient as I am using template aliases (not supported in c++0x).
| I also tried putting the -std=c++11 directly in the PKG_CXXFLAGS but I get an
| error stating:
| cc1plus.exe: error: unrecognized command line option '-std=c++11'

That would suggest that g++-4.6.2.exe is still running.

| I can use the C++11 flag if I set PKG_CXXFLAGS manually and run sourceCpp on a
| single file but I want to apply it over an entire package.
| Thanks,
| Charles
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http://dirk.eddelbuettel.com | @eddelbuettel | edd at debian.org

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