diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-02-22 16:48:24 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-03-03 19:07:13 -0300 |
| commit | 4900653829175f60356efc279695bb23c59483c3 (patch) | |
| tree | 7c7b3abf61ac8f4064c74d9d930d9197a7ff4dcd /tools | |
| parent | 02d492e5dcb72c004d213756eb87c9d62a6d76a7 (diff) | |
tools include: Adopt __compiletime_error
From the kernel, get the gcc one and provide the fallback so that we can
continue build with other compilers, such as with clang.
Will be used by tools/arch/x86/include/asm/cmpxchg.h.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-pecgz6efai4a9euuk4rxuotr@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/include/linux/compiler-gcc.h | 4 | ||||
| -rw-r--r-- | tools/include/linux/compiler.h | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h index 48af2f10a42d..616935f1ff56 100644 --- a/tools/include/linux/compiler-gcc.h +++ b/tools/include/linux/compiler-gcc.h @@ -12,3 +12,7 @@ #if GCC_VERSION >= 70000 && !defined(__CHECKER__) # define __fallthrough __attribute__ ((fallthrough)) #endif + +#if GCC_VERSION >= 40300 +# define __compiletime_error(message) __attribute__((error(message))) +#endif /* GCC_VERSION >= 40300 */ diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h index 8de163b17c0d..c9e65e8faacd 100644 --- a/tools/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -5,6 +5,10 @@ #include <linux/compiler-gcc.h> #endif +#ifndef __compiletime_error +# define __compiletime_error(message) +#endif + /* Optimization barrier */ /* The "volatile" is due to gcc bugs */ #define barrier() __asm__ __volatile__("": : :"memory") |