diff options
Diffstat (limited to 'payloads/libpayload/include/stdarg.h')
| -rw-r--r-- | payloads/libpayload/include/stdarg.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/payloads/libpayload/include/stdarg.h b/payloads/libpayload/include/stdarg.h index 077645f227..1d7ac051f4 100644 --- a/payloads/libpayload/include/stdarg.h +++ b/payloads/libpayload/include/stdarg.h @@ -31,7 +31,20 @@ #define _LIBPAYLOAD_STDARG_H #include <stddef.h> + +/* With GCC we use -nostdinc -ffreestanding to keep out system includes. + * Unfortunately this also gets us rid of the _compiler_ includes, like + * stdarg.h. To work around the issue, we define varargs directly here. + * On LLVM we can still just include stdarg.h. + */ +#ifdef __GNUC__ +#define va_start(v,l) __builtin_va_start(v,l) +#define va_end(v) __builtin_va_end(v) +#define va_arg(v,l) __builtin_va_arg(v,l) +typedef __builtin_va_list va_list; +#else #include_next <stdarg.h> +#endif /** * @defgroup vprintf Varargs print functions |