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-rw-r--r--include/ruby/io/buffer.h8
1 files changed, 2 insertions, 6 deletions
diff --git a/include/ruby/io/buffer.h b/include/ruby/io/buffer.h
index 88e5598066..e4b855d8e7 100644
--- a/include/ruby/io/buffer.h
+++ b/include/ruby/io/buffer.h
@@ -56,14 +56,10 @@ enum rb_io_buffer_endian {
RB_IO_BUFFER_LITTLE_ENDIAN = 4,
RB_IO_BUFFER_BIG_ENDIAN = 8,
-#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
- RB_IO_BUFFER_HOST_ENDIAN = RB_IO_BUFFER_LITTLE_ENDIAN,
-#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+#if defined(WORDS_BIGENDIAN)
RB_IO_BUFFER_HOST_ENDIAN = RB_IO_BUFFER_BIG_ENDIAN,
-#elif REG_DWORD == REG_DWORD_LITTLE_ENDIAN
+#else
RB_IO_BUFFER_HOST_ENDIAN = RB_IO_BUFFER_LITTLE_ENDIAN,
-#elif REG_DWORD == REG_DWORD_BIG_ENDIAN
- RB_IO_BUFFER_HOST_ENDIAN = RB_IO_BUFFER_BIG_ENDIAN,
#endif
RB_IO_BUFFER_NETWORK_ENDIAN = RB_IO_BUFFER_BIG_ENDIAN