How this message not be printed again :

Operating System: Windows 10 64 bit
Interface Version: 2.17.0
Compiler/Toolkit: Rtools34.exe
R version: 3.5

When i run my model, this message is printed (but my model is sampling without problem) :


What have to do so that this message will not be printed again?

You can put -Wno-macro-redefined in the CXXFLAGS line of the file at ~/.R/Makevars or if you are brave, update to rstan 2.18 in which case it won’t come up.