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
22extern int it_works;
23#endif
24