runtime-rs:skip the build process when the arch is s390x

github.com/kata-containers/tests#4986.To avoid returning an error when running the ci, we just skip the build
process if the arch is s390x

Fixes: #4816
Signed-off-by: Zhongtao Hu <zhongtaohu.tim@linux.alibaba.com>

src/runtime-rs/Makefile

@@ -21,6 +21,16 @@ ARCH_DIR = arch
 ARCH_FILE_SUFFIX = -options.mk
 ARCH_FILE = $(ARCH_DIR)/$(ARCH)$(ARCH_FILE_SUFFIX)
 
+
+ifeq ($(ARCH), s390x)
+##TARGET default: build code
+default:
+	@echo "s390x not support currently"
+	exit 0
+else
+default: runtime show-header
+endif
+
 ifeq (,$(realpath $(ARCH_FILE)))
     $(error "ERROR: invalid architecture: '$(ARCH)'")
 else
@@ -327,9 +337,6 @@ endef
 
 .DEFAULT_GOAL := default
 
-##TARGET default: build code
-default: runtime show-header
-
 runtime: $(TARGET)
 
 $(TARGET): $(GENERATED_CODE) $(TARGET_PATH)

src/runtime-rs/arch/s390x-options.mk

@@ -0,0 +1,15 @@
+# Copyright (c) 2019-2022 Alibaba Cloud
+# Copyright (c) 2019-2022 Ant Group
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+MACHINETYPE :=
+KERNELPARAMS :=
+MACHINEACCELERATORS :=
+CPUFEATURES := pmu=off
+
+QEMUCMD := qemu-system-s390x
+
+# dragonball binary name
+DBCMD := dragonball