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