| 1 | // Check that clang is able to process short response files |
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| 2 | // Since this is a short response file, clang must not use a response file |
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| 3 | // to pass its parameters to other tools. This is only necessary for a large |
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| 4 | // number of parameters. |
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| 5 | // RUN: echo "-DTEST" > %t.0.txt |
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| 6 | // RUN: %clang -E @%t.0.txt %s -v 2>&1 | FileCheck %s -check-prefix=SHORT |
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| 7 | // SHORT-NOT: Arguments passed via response file |
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| 8 | // SHORT: extern int it_works; |
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| 9 | |
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| 10 | // Check that clang is able to process long response files, routing a long |
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| 11 | // sequence of arguments to other tools by using response files as well. |
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| 12 | // We generate a 2MB response file to attempt to surpass any system limit. |
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| 13 | // But there's no guarantee that we actually will (the system limit could be |
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| 14 | // *huge*), so just check that invoking cc1 succeeds under these conditions. |
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| 15 | // |
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| 16 | // RUN: %clang -E %S/Inputs/gen-response.c | grep DTEST > %t.1.txt |
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| 17 | // RUN: %clang -E @%t.1.txt %s -v 2>&1 | FileCheck %s -check-prefix=LONG |
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| 18 | // LONG: extern int it_works; |
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| 19 | |
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| 20 | #ifdef TEST |
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| 21 | extern int it_works; |
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| 22 | #endif |
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| 23 | |
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