1 // REQUIRES: long_tests
2 
3 // Check that clang is able to process short response files
4 // Since this is a short response file, clang must not use a response file
5 // to pass its parameters to other tools. This is only necessary for a large
6 // number of parameters.
7 // RUN: echo "-DTEST" >> %t.0.txt
8 // RUN: %clang -E @%t.0.txt %s -v 2>&1 | FileCheck %s -check-prefix=SHORT
9 // SHORT-NOT: Arguments passed via response file
10 // SHORT: extern int it_works;
11 
12 // Check that clang is able to process long response files, routing a long
13 // sequence of arguments to other tools by using response files as well.
14 // We generate a 2MB response file to be big enough to surpass any system
15 // limit.
16 // RUN: %clang -E %S/Inputs/gen-response.c | grep DTEST > %t.1.txt
17 // RUN: %clang -E @%t.1.txt %s -v 2>&1 | FileCheck %s -check-prefix=LONG
18 // LONG: Arguments passed via response file
19 // LONG: extern int it_works;
20 
21 #ifdef TEST
22 extern int it_works;
23 #endif
24