* using log directory 'd:/Rcompile/CRANpkg/local/3.5/MLModelSelection.Rcheck'
* using R version 3.5.3 (2019-03-11)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'MLModelSelection/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'MLModelSelection' version '1.0'
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'MLModelSelection' can be installed ... ERROR
Installation failed.
See 'd:/Rcompile/CRANpkg/local/3.5/MLModelSelection.Rcheck/00install.out' for details.
* DONE
The installation logfile:
* installing *source* package 'MLModelSelection' ...
** package 'MLModelSelection' successfully unpacked and MD5 sums checked
** libs

*** arch - i386
make[1]: Entering directory `/cygdrive/d/temp/RtmpYLKq6c/R.INSTALL2118471a2112/MLModelSelection/src-i386'
d:/Compiler/gcc-4.9.3/mingw_32/bin/g++  -I"D:/RCompile/recent/R-3.5.3/include" -DNDEBUG  -I"d:/RCompile/CRANpkg/lib/3.5/Rcpp/include" -I"d:/RCompile/CRANpkg/lib/3.5/RcppArmadillo/include" -I"d:/RCompile/CRANpkg/lib/3.5/RcppDist/include"   -I"d:/Compiler/gcc-4.9.3/local330/include"     -O2 -Wall  -mtune=core2 -c MLModelSelection.cpp -o MLModelSelection.o
In file included from D:/Compiler/gcc-4.9.3/mingw_32/i686-w64-mingw32/include/c++/thread:35:0,
                 from MLModelSelection.h:33,
                 from MLModelSelection.cpp:11:
D:/Compiler/gcc-4.9.3/mingw_32/i686-w64-mingw32/include/c++/bits/c++0x_warning.h:32:2: error: #error This file requires compiler and library support for the ISO C++ 2011 standard. This support is currently experimental, and must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
 #error This file requires compiler and library support for the \
  ^
MLModelSelection.cpp: In member function 'arma::mat MLModelSelection::Dit(int, int, arma::vec, arma::mat)':
MLModelSelection.cpp:211:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int ii=0; ii<lambda.n_rows; ii++){
                     ^
make[1]: *** [MLModelSelection.o] Error 1
make[1]: Leaving directory `/cygdrive/d/temp/RtmpYLKq6c/R.INSTALL2118471a2112/MLModelSelection/src-i386'
ERROR: compilation failed for package 'MLModelSelection'
* removing 'd:/Rcompile/CRANpkg/lib/3.5/MLModelSelection'
In R CMD INSTALL