--- panorama.h.orig	2022-01-22 10:22:19.000000000 +0100
+++ panorama.h	2022-01-22 10:22:34.000000000 +0100
@@ -45,7 +45,16 @@
 
 // If you need PT_BIGENDIAN, and don't use MacOS, define it here:
 //#define PT_BIGENDIAN                  1
-#if defined(__GNUC__) && !defined(__MINGW32__)
+#if !defined(__Mac_OSX__) && defined(__APPLE_CC__)
+        #define __Mac_OSX__ 1
+#endif
+#ifdef __Mac_OSX__
+    #if (defined(__ppc__) || defined(__ppc64__))
+        #define PT_BIGENDIAN		1
+    #elif defined(__i386__)
+        #undef PT_BIGENDIAN
+    #endif
+#elif defined(__GNUC__) && !defined(__MINGW32__)
 #if defined(__FreeBSD__)
 // special check for FreeBSD because it follow its own rules
 #include <sys/endian.h>
@@ -75,17 +84,6 @@
   #endif
 #endif
 
-#ifndef __Mac_OSX__
-    #if defined(__APPLE_CC__)
-        #define __Mac_OSX__			1
-        #if (defined(__ppc__) || defined(__ppc64__))
-            #define PT_BIGENDIAN		1
-        #elif defined(__i386__)
-            #undef PT_BIGENDIAN
-        #endif
-    #endif
-#endif
-
 // Use FSSpec on Macs as Path-specifyers, else strings
 #define PATH_SEP							'/'