1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors %s 2*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -std=c99 -emit-pch -o %t %s 3*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors -include-pch %t %s 4*67e74705SXin Li 5*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors -DINCLUDED %s -verify 6*67e74705SXin Li // This last one should warn for -Wempty-translation-unit (C99 6.9p1). 7*67e74705SXin Li 8*67e74705SXin Li #if defined(INCLUDED) 9*67e74705SXin Li 10*67e74705SXin Li // empty except for the prefix header 11*67e74705SXin Li 12*67e74705SXin Li #elif defined(HEADER) 13*67e74705SXin Li 14*67e74705SXin Li typedef int my_int; 15*67e74705SXin Li #define INCLUDED 16*67e74705SXin Li 17*67e74705SXin Li #else 18*67e74705SXin Li 19*67e74705SXin Li #define HEADER 20*67e74705SXin Li #include "empty-with-headers.c" 21*67e74705SXin Li // empty except for the header 22*67e74705SXin Li 23*67e74705SXin Li #endif 24*67e74705SXin Li 25*67e74705SXin Li // This should only fire if the header is not included, 26*67e74705SXin Li // either explicitly or as a prefix header. 27*67e74705SXin Li // expected-error{{ISO C requires a translation unit to contain at least one declaration}} 28