diff options
Diffstat (limited to 'include/acpi/platform/acgcc.h')
| -rw-r--r-- | include/acpi/platform/acgcc.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h index 7d63d03cf507..0cd4f61d4248 100644 --- a/include/acpi/platform/acgcc.h +++ b/include/acpi/platform/acgcc.h @@ -3,7 +3,7 @@ * * Name: acgcc.h - GCC specific defines, etc. * - * Copyright (C) 2000 - 2020, Intel Corp. + * Copyright (C) 2000 - 2021, Intel Corp. * *****************************************************************************/ @@ -54,4 +54,19 @@ typedef __builtin_va_list va_list; #define ACPI_USE_NATIVE_MATH64 +/* GCC did not support __has_attribute until 5.1. */ + +#ifndef __has_attribute +#define __has_attribute(x) 0 +#endif + +/* + * Explictly mark intentional explicit fallthrough to silence + * -Wimplicit-fallthrough in GCC 7.1+. + */ + +#if __has_attribute(__fallthrough__) +#define ACPI_FALLTHROUGH __attribute__((__fallthrough__)) +#endif + #endif /* __ACGCC_H__ */ |