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