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| author | Damien George <damien.p.george@gmail.com> | 2015-05-30 23:12:30 +0100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2015-05-30 23:12:30 +0100 |
| commit | 4e4772bb5b9e96df7e2c53c7a05efa9b51beeee1 (patch) | |
| tree | 1fe3ae7660ef650b0eb777468d2197d77eaba1d9 | |
| parent | 26b512ea1bcc8035f8f5312b2065c85a639c02ae (diff) | |
| download | micropython-4e4772bb5b9e96df7e2c53c7a05efa9b51beeee1.tar.gz micropython-4e4772bb5b9e96df7e2c53c7a05efa9b51beeee1.zip | |
py: Add further autodetection of endianess in mpconfig.h.
This patch was needed for gcc 4.4.
| -rw-r--r-- | py/mpconfig.h | 11 |
1 files changed, 10 insertions, 1 deletions
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 <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 |