How to suppress specific warnings in g++

Question

I want to suppress specific warnings from g++. I\'m aware of the -Wno-XXX flag, but I\'m looking for something more specific. I want some of th

Answer 1

You could just use grep -v on the output.

Depending on the warning you wish to disable, you can sometimes correct in code. E.g.:

int main()
{
  int i;
}

Generates: foo.cc:4: warning: unused variable 'i'

Whereas this does not:

#define MARKUSED(X)  ((void)(&(X)))

int main()
{
  int i;
  MARKUSED(i);
}