Restore INTERFACE64 for arm64
@@ -635,6 +635,16 @@ endif
ifeq ($(ARCH), arm64)
NO_BINARY_MODE = 1
BINARY_DEFINED = 1
+ifdef INTERFACE64
+ifneq ($(INTERFACE64), 0)
+ifeq ($(F_COMPILER), GFORTRAN)
+FCOMMON_OPT += -fdefault-integer-8
+endif
+ifeq ($(F_COMPILER), FLANG)
+FCOMMON_OPT += -i8
+endif
+endif
+endif
endif
