--- common/src/libncarg_c/yMakefile.orig	2019-02-28 08:44:39.000000000 +0900
+++ common/src/libncarg_c/yMakefile	2022-10-08 12:25:19.000000000 +0900
@@ -37,7 +37,7 @@
 EXFSRCS = gbytes.f sbytes.f
 EXOBJS  = sbytes.o gbytes.o bcopyswap.o logic32.o
 
-#elif defined(Darwin) && defined(i386) && defined(__LP64__)
+#elif defined(Darwin) && (defined(i386) || defined(arm64)) && defined(__LP64__)
 EXCSRCS = bcopyswap.c logic32.c
 EXFSRCS = gbytes.f sbytes.f
 EXOBJS  = sbytes.o gbytes.o bcopyswap.o logic32.o