diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/mrbconf.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/mrbconf.h b/include/mrbconf.h index d47f46ae4..4796919c2 100644 --- a/include/mrbconf.h +++ b/include/mrbconf.h @@ -7,10 +7,13 @@ #ifndef MRUBYCONF_H #define MRUBYCONF_H +#include <limits.h> +#include <stdint.h> + /* architecture selection: */ /* specify -DMRB_32BIT or -DMRB_64BIT to override */ #if !defined(MRB_32BIT) && !defined(MRB_64BIT) -#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64) || defined(__aarch64__) +#if UINT64_MAX == SIZE_MAX #define MRB_64BIT #else #define MRB_32BIT |