diff options
| -rw-r--r-- | doc/mrbconf/README.md | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/doc/mrbconf/README.md b/doc/mrbconf/README.md index f0dd50da5..698d2526f 100644 --- a/doc/mrbconf/README.md +++ b/doc/mrbconf/README.md @@ -17,6 +17,10 @@ You can use mrbconfs with following ways: `DISABLE_STDIO` * When defined `<stdio.h>` functions won't be used. +* Some features will be disabled when this is enabled: + * `mrb_irep` load/dump from/to file. + * Compiling mruby script from file. + * Printing features in **src/print.c**. ## Debug macros. `ENABLE_DEBUG` @@ -104,3 +108,18 @@ largest value of required alignment. `MRB_FIXED_STATE_ATEXIT_STACK_SIZE` * Default value is `5`. * If `MRB_FIXED_STATE_ATEXIT_STACK` isn't defined this macro is ignored. + +## `mrb_value` configuration. + +`MRB_ENDIAN_BIG` +* If defined compiles mruby for big endian machines. +* Used in `MRB_NAN_BOXING`. +* Some mrbgem use this mrbconf. + +`MRB_NAN_BOXING` +* If defined represent `mrb_value` in boxed `double`. +* Conflicts with `MRB_USE_FLOAT`. + +`MRB_WORD_BOXING` +* If defined represent `mrb_value` as a word. +* If defined `Float` will be a mruby object with `RBasic`. |