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