1*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors %s 2*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -std=c99 -emit-pch -o %t %s 3*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors -include-pch %t %s 4*f4a2713aSLionel Sambuc 5*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors -DINCLUDED %s -verify 6*f4a2713aSLionel Sambuc // This last one should warn for -Wempty-translation-unit (C99 6.9p1). 7*f4a2713aSLionel Sambuc 8*f4a2713aSLionel Sambuc #if defined(INCLUDED) 9*f4a2713aSLionel Sambuc 10*f4a2713aSLionel Sambuc // empty except for the prefix header 11*f4a2713aSLionel Sambuc 12*f4a2713aSLionel Sambuc #elif defined(HEADER) 13*f4a2713aSLionel Sambuc 14*f4a2713aSLionel Sambuc typedef int my_int; 15*f4a2713aSLionel Sambuc #define INCLUDED 16*f4a2713aSLionel Sambuc 17*f4a2713aSLionel Sambuc #else 18*f4a2713aSLionel Sambuc 19*f4a2713aSLionel Sambuc #define HEADER 20*f4a2713aSLionel Sambuc #include "empty-with-headers.c" 21*f4a2713aSLionel Sambuc // empty except for the header 22*f4a2713aSLionel Sambuc 23*f4a2713aSLionel Sambuc #endif 24*f4a2713aSLionel Sambuc 25*f4a2713aSLionel Sambuc // This should only fire if the header is not included, 26*f4a2713aSLionel Sambuc // either explicitly or as a prefix header. 27*f4a2713aSLionel Sambuc // expected-error{{ISO C requires a translation unit to contain at least one declaration}} 28