clang/test/Frontend/warning-poison-system-directories.c

   1 // REQUIRES: x86-registered-target
   2
   3 // System directory and sysroot option causes warning.
   4 // RUN: %clang -Wpoison-system-directories -target x86_64 -I/usr/include --sysroot %S/Inputs/sysroot_x86_64_cross_linux_tree -c -o - %s 2> %t.1.stderr
   5 // RUN: FileCheck -check-prefix=WARN < %t.1.stderr %s
   6 // RUN: %clang -Wpoison-system-directories -target x86_64 -cxx-isystem/usr/include --sysroot %S/Inputs/sysroot_x86_64_cross_linux_tree -c -o - %s 2> %t.1.stderr
   7 // RUN: FileCheck -check-prefix=WARN < %t.1.stderr %s
   8 // RUN: %clang -Wpoison-system-directories -target x86_64 -iquote/usr/local/include --sysroot %S/Inputs/sysroot_x86_64_cross_linux_tree -c -o - %s 2> %t.1.stderr
   9 // RUN: FileCheck -check-prefix=WARN < %t.1.stderr %s
  10 // RUN: %clang -Wpoison-system-directories -target x86_64 -isystem/usr/local/include --sysroot %S/Inputs/sysroot_x86_64_cross_linux_tree -c -o - %s 2> %t.1.stderr
  11 // RUN: FileCheck -check-prefix=WARN < %t.1.stderr %s
  12
  13 // Missing target but included sysroot still causes the warning.
  14 // RUN: %clang -Wpoison-system-directories -I/usr/include --sysroot %S/Inputs/sysroot_x86_64_cross_linux_tree -c -o - %s 2> %t.2.stderr
  15 // RUN: FileCheck -check-prefix=WARN < %t.2.stderr %s
  16
  17 // With -Werror the warning causes the failure.
  18 // RUN: not %clang -Werror=poison-system-directories -target x86_64 -I/usr/include --sysroot %S/Inputs/sysroot_x86_64_cross_linux_tree -c -o - %s 2> %t.3.stderr
  19 // RUN: FileCheck -check-prefix=ERROR < %t.3.stderr %s
  20
  21 // Cros target without sysroot causes no warning.
  22 // RUN: %clang -Wpoison-system-directories -Werror -target x86_64 -I/usr/include -c -o - %s
  23
  24 // By default the warning is off.
  25 // RUN: %clang -Werror -target x86_64 -I/usr/include --sysroot %S/Inputs/sysroot_x86_64_cross_linux_tree -c -o - %s
  26
  27 // WARN: warning: include location {{[^ ]+}} is unsafe for cross-compilation [-Wpoison-system-directories]
  28
  29 // ERROR: error: include location {{[^ ]+}} is unsafe for cross-compilation [-Werror,-Wpoison-system-directories]