1 // RUN: %clang --system-header-prefix=libs/ --no-system-header-prefix=libs/mylib/ -I%S/Inputs/SystemHeaderPrefix -Wundef -E %s 2>&1 | FileCheck %s
2 // RUN: %clang --system-header-prefix libs/ --no-system-header-prefix libs/mylib/ -I%S/Inputs/SystemHeaderPrefix -Wundef -E %s 2>&1 | FileCheck %s
3 
4 #include "src/all.h"
5 
6 // CHECK-NOT: BOOST
7 // CHECK: libs{{/|\\}}mylib{{/|\\}}warn.h:1:5: warning: 'MYLIB' is not defined, evaluates to 0
8 // CHECK-NOT: BOOST
9 // CHECK: libs{{/|\\}}mylib{{/|\\}}warn.h:1:5: warning: 'MYLIB' is not defined, evaluates to 0
10 // CHECK-NOT: BOOST
11 // CHECK: src{{/|\\}}warn.h:1:5: warning: 'SRC' is not defined, evaluates to 0
12 // CHECK-NOT: BOOST
13