How to resolve warning: multi-character character constant in Linux C++

Question

#ifdef WIN32
#   define TARGET_OS \'W_NT\'

I am getting C++ warning in Linux multi-character character constant. at the below line. How to resolve this

Answer 1

String constants use double quotes, single quotes are for character constants.

To suppress the warning if this is what you mean you can use -Wno-multichar gcc option.