File aarch64-support.patch of Package cfitsio

Index: cfitsio/fitsio2.h
===================================================================
--- cfitsio.orig/fitsio2.h
+++ cfitsio/fitsio2.h
@@ -195,6 +195,18 @@ extern int Fitsio_Pthread_Status;
 #define BYTESWAPPED FALSE
 #endif
  
+#elif defined(__aarch64__)
+
+/* AArch64 CPU can be used in both little and big endian modes */
+
+#if defined(__AARCH64EB__)
+#define BYTESWAPPED FALSE
+#define MACHINE NATIVE
+#else
+#define BYTESWAPPED TRUE
+#endif
+#define LONGSIZE 64
+
 #else
 
 /*  assume all other machine uses the same IEEE formats as used in FITS files */