diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/compiler_types.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 1a3060117f1..8b6ce9c11cd 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -71,6 +71,13 @@ extern void __chk_io_ptr(const volatile void __iomem *); #endif /* + * At least gcc 5.1 or clang 8 are needed. + */ +#ifndef COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW +#error Unsupported compiler +#endif + +/* * Some architectures need to provide custom definitions of macros provided * by linux/compiler-*.h, and can do so using asm/compiler.h. We include that * conditionally rather than using an asm-generic wrapper in order to avoid |