How to pass values during compilation with g++ using -DN flag
compiler-flags, g++, gcc
Solution
`-DXXX` flag is just like adding `#define XXX`. So `-DN=2` is just like `#define N 2`.
And you can pass values during compilation using this flag.
Reference:
- GCC Preprocessor Options
Problem
I've heard that you can set values in your c++ program during compilation using g++'s -DN flag. Can anybody explain how? Thank you