From 4e4772bb5b9e96df7e2c53c7a05efa9b51beeee1 Mon Sep 17 00:00:00 2001 From: Damien George 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 5065e36828..2d9288f32b 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 + #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