installed_odex += $($(TARGET_2ND_ARCH_VAR_PREFIX)DEFAULT_DEX_PREOPT_INSTALLED_IMAGE)
else # boot jar
ifeq ($(LOCAL_MODULE_CLASS),JAVA_LIBRARIES)
-# For a Java library, we build odex for both 1st arch and 2nd arch, if we have one.
+# For a Java library, by default we build odex for both 1st arch and 2nd arch.
+# But it can be overridden with "LOCAL_MULTILIB := first".
+ifneq (,$(filter $(PRODUCT_SYSTEM_SERVER_JARS),$(LOCAL_MODULE)))
+# For system server jars, we build for only "first".
+my_module_multilib := first
+else
+my_module_multilib := $(LOCAL_MULTILIB)
+endif
# #################################################
# Odex for the 1st arch
my_2nd_arch_prefix :=
# #################################################
# Odex for the 2nd arch
ifdef TARGET_2ND_ARCH
+ifneq (first,$(my_module_multilib))
my_2nd_arch_prefix := $(TARGET_2ND_ARCH_VAR_PREFIX)
include $(BUILD_SYSTEM)/setup_one_odex.mk
+endif # my_module_multilib is not first.
endif # TARGET_2ND_ARCH
# #################################################
else # must be APPS