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authorYukihiro "Matz" Matsumoto <[email protected]>2014-06-25 23:32:33 +0900
committerYukihiro "Matz" Matsumoto <[email protected]>2014-06-25 23:32:33 +0900
commit3f13196cbbe2e9fcf7e349388f29cf1588c8e022 (patch)
treef6488f18a91b95f7c5ffc9ec224c7b44c964b61b
parentd4e49c9f8fe752e8f7d3d6b9dc10a55307654dfd (diff)
parent340279885e8f8b5dee6b47667ca1cb2d74496172 (diff)
downloadmruby-3f13196cbbe2e9fcf7e349388f29cf1588c8e022.tar.gz
mruby-3f13196cbbe2e9fcf7e349388f29cf1588c8e022.zip
Merge pull request #2425 from take-cheeze/mrbconf
Update mrbconf.
-rw-r--r--doc/mrbconf/README.md19
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`.