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Fallback to compiler defines when __BYTE_ORDER is not available

This commit is contained in:
Jakub Kulík 2022-08-01 13:07:32 +02:00 committed by Klemens Nanni
parent 9e22b27dad
commit 6448b656c7
1 changed files with 9 additions and 0 deletions
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9
src/borg/algorithms/msgpack/sysdep.h
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@ -66,6 +66,15 @@ typedef unsigned int _msgpack_atomic_counter_t;
#endif
#if !defined(__LITTLE_ENDIAN__) && !defined(__BIG_ENDIAN__)
/*
* __BYTE_ORDER, __LITTLE_ENDIAN and __BIG_ENDIAN are nonstandard and not
* always available. In those cases, fallback to common compiler defines.
*/
#if !defined(__BYTE_ORDER)
#define __BYTE_ORDER __BYTE_ORDER__
#define __LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
#define __BIG_ENDIAN __ORDER_BIG_ENDIAN__
#endif
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define __LITTLE_ENDIAN__
#elif __BYTE_ORDER == __BIG_ENDIAN