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-rw-r--r--mrbgems/mruby-pack/src/pack.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/mrbgems/mruby-pack/src/pack.c b/mrbgems/mruby-pack/src/pack.c
index 1b1f86a88..f274ff11e 100644
--- a/mrbgems/mruby-pack/src/pack.c
+++ b/mrbgems/mruby-pack/src/pack.c
@@ -64,6 +64,16 @@ const static unsigned char base64chars[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
static unsigned char base64_dec_tab[128];
+#if !defined(BYTE_ORDER) && defined(__BYTE_ORDER__)
+# define BYTE_ORDER __BYTE_ORDER__
+#endif
+#if !defined(BIG_ENDIAN) && defined(__ORDER_BIG_ENDIAN__)
+# define BIG_ENDIAN __ORDER_BIG_ENDIAN__
+#endif
+#if !defined(LITTLE_ENDIAN) && defined(__ORDER_LITTLE_ENDIAN__)
+# define LITTLE_ENDIAN __ORDER_LITTLE_ENDIAN__
+#endif
+
#ifdef BYTE_ORDER
# if BYTE_ORDER == BIG_ENDIAN
# define littleendian 0