clang/test/Driver/no-knr-functions.c

   1 // Ensure that we cannot disable strict prototypes, no matter how hard we try.
   2
   3 // RUN: not %clang -fno-no-knr-functions -x c++ %s 2>&1 | FileCheck --check-prefixes=NONO %s
   4 // RUN: not %clang -fno-no-knr-functions -x c %s 2>&1 | FileCheck --check-prefixes=NONO %s
   5 // RUN: not %clang -fno-no-knr-functions -std=c89 -x c %s 2>&1 | FileCheck --check-prefixes=NONO %s
   6 // RUN: not %clang -fknr-functions -x c++ %s 2>&1 | FileCheck --check-prefixes=POS %s
   7 // RUN: not %clang -fknr-functions -x c %s 2>&1 | FileCheck --check-prefixes=POS %s
   8 // RUN: not %clang -fknr-functions -std=c89 -x c %s 2>&1 | FileCheck --check-prefixes=POS %s
   9
  10 // Ensure that the driver flag is actually accepted though.
  11 // RUN: %clang -fno-knr-functions -### %s 2>&1 | FileCheck --check-prefixes=ACCEPTED %s
  12
  13 // NONO: error: unknown argument: '-fno-no-knr-functions'
  14 // POS: error: unknown argument: '-fknr-functions'
  15 // ACCEPTED-NOT: warning: argument unused during compilation: '-fno-knr-functions'