diff options
Diffstat (limited to 'include/mrbconf.h')
| -rw-r--r-- | include/mrbconf.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/mrbconf.h b/include/mrbconf.h index ab5dd1a03..4796919c2 100644 --- a/include/mrbconf.h +++ b/include/mrbconf.h @@ -7,6 +7,23 @@ #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 UINT64_MAX == SIZE_MAX +#define MRB_64BIT +#else +#define MRB_32BIT +#endif +#endif + +#if defined(MRB_32BIT) && defined(MRB_64BIT) +#error Cannot build for 32 and 64 bit architecture at the same time +#endif + /* configuration options: */ /* add -DMRB_USE_FLOAT to use float instead of double for floating point numbers */ //#define MRB_USE_FLOAT |