From 4e4772bb5b9e96df7e2c53c7a05efa9b51beeee1 Mon Sep 17 00:00:00 2001
From: Damien George <damien.p.george@gmail.com>
Date: Sat, 30 May 2015 23:12:30 +0100
Subject: [PATCH] py: Add further autodetection of endianess in mpconfig.h.
This patch was needed for gcc 4.4.
---
py/mpconfig.h | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 5065e3682..2d9288f32 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -711,7 +711,16 @@ typedef double mp_float_t;
#elif defined(__BIG_ENDIAN__) || defined(__BIG_ENDIAN) || defined (_BIG_ENDIAN)
#define MP_ENDIANNESS_LITTLE (0)
#else
- #error endianness not defined and cannot detect it
+ #include <endian.h>
+ #if defined(__BYTE_ORDER)
+ #if __BYTE_ORDER == __LITTLE_ENDIAN
+ #define MP_ENDIANNESS_LITTLE (1)
+ #else
+ #define MP_ENDIANNESS_LITTLE (0)
+ #endif
+ #else
+ #error endianness not defined and cannot detect it
+ #endif
#endif
#define MP_ENDIANNESS_BIG (!MP_ENDIANNESS_LITTLE)
#endif
--
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