1*67e74705SXin Li #include "a.h" 2*67e74705SXin Li 3*67e74705SXin Li #if !__building_module(b) 4*67e74705SXin Li #error "should only get here when building module b" 5*67e74705SXin Li #endif 6*67e74705SXin Li 7*67e74705SXin Li const int b = 2; 8