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Define MRB_ENDIAN_BIG automatically; ref #4190

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You had to define this macro on big endian platforms, but it is very
error-prone. So define the macro automatically if possible.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2018-12-21 08:49:23 +09:00
parent 2fdb309e55
commit f5537912ab
1 changed files with 7 additions and 3 deletions
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include/mrbconf.h
+7 -3
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@@ -58,12 +58,16 @@
# endif
#endif
/* define on big endian machines; used by MRB_NAN_BOXING, etc. */
#ifndef MRB_ENDIAN_BIG
# if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
# define MRB_ENDIAN_BIG
# endif
#endif
/* represent mrb_value in boxed double; conflict with MRB_USE_FLOAT and MRB_WITHOUT_FLOAT */
//#define MRB_NAN_BOXING
/* define on big endian machines; used by MRB_NAN_BOXING */
//#define MRB_ENDIAN_BIG
/* represent mrb_value as a word (natural unit of data for the processor) */
//#define MRB_WORD_BOXING