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