better endianness detection

classilla · May 16, 2022 · dac9524 · dac9524
1 parent afc9900
commit dac9524
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/src/luac/pdb.c b/src/luac/pdb.c
@@ -9,7 +9,19 @@
 
 #include "pdb.h"
 
-#ifdef __LITTLE_ENDIAN__
+#if defined(__LITTLE_ENDIAN__)
+#ifndef IS_LITTLE_ENDIAN
+#define IS_LITTLE_ENDIAN 1
+#endif
+#endif
+
+#if defined(__BYTE_ORDER) && (__BYTE_ORDER == __LITTLE_ENDIAN)
+#ifndef IS_LITTLE_ENDIAN
+#define IS_LITTLE_ENDIAN 1
+#endif
+#endif
+
+#if defined(__BYTE_ORDER__) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
 #ifndef IS_LITTLE_ENDIAN
 #define IS_LITTLE_ENDIAN 1
 #endif