/Users/fujiik/rpm/BUILD/tmp
diff -uNr root-6.24.06.ORIG/build/rmkdepend/imakemdep.h root-6.24.06/build/rmkdepend/imakemdep.h
--- root-6.24.06.ORIG/build/rmkdepend/imakemdep.h	2021-09-01 17:08:19.000000000 +0900
+++ root-6.24.06/build/rmkdepend/imakemdep.h	2022-02-19 17:25:16.000000000 +0900
@@ -921,6 +921,9 @@
 #ifdef __x86_64__
    {"__x86_64__", "1"},
 #endif
+#ifdef __arm64__
+   {"__arm64__", "1"},
+#endif
 
    /* add any additional symbols before this line */
    {NULL, NULL}