Add DOUBLE_BIG_ENDIAN define.

diff --git a/perl.h b/perl.h
index 88b7e0e..9fa001c 100644 (file)
--- a/perl.h
+++ b/perl.h
@@ -6419,6 +6419,12 @@ extern void moncontrol(int);
 #  define DOUBLE_LITTLE_ENDIAN
 #endif
 
+#if DOUBLEKIND == DOUBLE_IS_IEEE_754_32_BIT_BIG_ENDIAN || \
+    DOUBLEKIND == DOUBLE_IS_IEEE_754_64_BIT_BIG_ENDIAN || \
+    DOUBLEKIND == DOUBLE_IS_IEEE_754_128_BIT_BIG_ENDIAN
+#  define DOUBLE_BIG_ENDIAN
+#endif
+
 #ifdef HAS_LONG_DOUBLEKIND
 
 #  if LONG_DOUBLEKIND == LONG_DOUBLE_IS_IEEE_754_128_BIT_LITTLE_ENDIAN || \