[Rcpp-devel] RcppThread.h:12 ThreadPool.hpp:11 warning: 'new' of type 'quickpool::ThreadPool'

[Joseph Park]

Dear RcppDev,

A new warning has emerged in mingw compilation on CRAN. The message:

*** arch - x64
make[1]: Entering directory '/d/temp/RtmpsZcaWL/R.INSTALLb59426674c3e/rEDM/src-x64'
d:/Compiler/rtools40/mingw64/bin/g++  -std=gnu++11 -I"D:/RCompile/recent/R-4.1.2/include" -DNDEBUG -I./cppEDM/src -I../ -I'd:/RCompile/CRANpkg/lib/4.1/Rcpp/include' -I'd:/RCompile/CRANpkg/lib/4.1/RcppThread/include'   -I"d:/Compiler/gcc-4.9.3/local330/include"     -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign  -c CCM.cpp -o CCM.o
In file included from d:/RCompile/CRANpkg/lib/4.1/RcppThread/include/RcppThread/ThreadPool.hpp:11,
                 from d:/RCompile/CRANpkg/lib/4.1/RcppThread/include/RcppThread.h:12,
                 from RcppEDMCommon.h:12,
                 from CCM.cpp:2:
d:/RCompile/CRANpkg/lib/4.1/RcppThread/include/RcppThread/quickpool.hpp: In static member function 'static quickpool::ThreadPool& quickpool::ThreadPool::global_instance()':
d:/RCompile/CRANpkg/lib/4.1/RcppThread/include/RcppThread/quickpool.hpp:719:31: warning: 'new' of type 'quickpool::ThreadPool' with extended alignment 64 [-Waligned-new=]
         static auto ptr = new ThreadPool;
                               ^~~~~~~~~~
d:/RCompile/CRANpkg/lib/4.1/RcppThread/include/RcppThread/quickpool.hpp:719:31: note: uses 'void* operator new(std::size_t)', which does not have an alignment parameter
d:/RCompile/CRANpkg/lib/4.1/RcppThread/include/RcppThread/quickpool.hpp:719:31: note: use '-faligned-new' to enable C++17 over-aligned new support

--

Any ideas to address this? The packages uses C++11.

Thank you!

Sincerely,

J Park

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