Why LINUX-based OSs are bad

asdf.cpp

void f00() {
	throw 'f';
}

asdf.hpp

void f00();

exec.sh

g++ -fPIC -std=c++14 -fvisibility=default -shared -Wl,-E asdf.cpp -olibasdf.so
#OR
g++ -fPIC -std=c++14 -fvisibility=default -c asdf.cpp
ar cr libasdf.a asdf.o

g++ -fPIC -std=c++14 -fvisibility=default -L. -lasdf usr.cpp -ousr.out
./usr.out

usr.cpp

#include "asdf.hpp"
#include <iostream>
int main() {
  try {
    f00();
  } catch(char c) {
    std::cout << c << '\n';
  }
}