#ifdef FOO_LIBRARY | |
#error Unexpected FOO_LIBRARY | |
#endif | |
#ifdef BAR_USE_BANG | |
#ifndef BANG_LIBRARY | |
#error Expected BANG_LIBRARY | |
#endif | |
#include "bang.h" | |
#else | |
#ifdef BANG_LIBRARY | |
#error Unexpected BANG_LIBRARY | |
#endif | |
#endif | |
#include "bar.h" | |
int bar() | |
{ | |
#ifdef BAR_USE_BANG | |
return bang(); | |
#else | |
return 0; | |
#endif | |
} |