How to build iwpriv tool

step1：
https://hewlettpackard.github.io/wireless-tools/wireless_tools.29.tar.gz

step2：
Below is the sample of Android.mk:
# This is a sample Android.mk for Wireless tools

LOCAL_PATH:=$(call my-dir)
# GENERAL
MY_CFLAGS := -g -Wall -W -O3 -Wno-unused-but-set-variable -Wno-array-bounds -Wno-self-assign -Werror
MY_C_INCLUDES :=
MY_SHARED_LIBS :=
MY_STATIC_LIBS :=
WE_VERSION := $(shell sed -ne "/WE_VERSION/{s:\([^0-9]*\)::;p;q;}" < $(LOCAL_PATH)/iwlib.h)
$(info "WE_VERSION is $(WE_VERSION) ")
$(info "copy wireless.$(WE_VERSION).h to wireless.h ")
$(shell cp $(LOCAL_PATH)/wireless.$(WE_VERSION).h $(LOCAL_PATH)/wireless.h)
MY_SRC_LWE := iwlib.c
MY_STATIC_LIBS += libm
MY_C_INCLUDES += bionic/libm/include bionic/libm
MY_CFLAGS += -Wshadow -Wpointer-arith -Wcast-qual -Winline -fPIC
include $(CLEAR_VARS)
LOCAL_MODULE := iwconfig
LOCAL_SRC_FILES := $(MY_SRC_LWE) iwconfig.c
LOCAL_CFLAGS += $(MY_CFLAGS)
LOCAL_C_INCLUDES := $(MY_C_INCLUDES)
LOCAL_STATIC_LIBRARIES := $(MY_STATIC_LIBS)
LOCAL_SHARED_LIBRARIES := $(MY_SHARED_LIBS)
include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)
LOCAL_MODULE := iwlist
LOCAL_SRC_FILES := $(MY_SRC_LWE) iwlist.c
LOCAL_CFLAGS += $(MY_CFLAGS)
LOCAL_C_INCLUDES := $(MY_C_INCLUDES)
LOCAL_STATIC_LIBRARIES := $(MY_STATIC_LIBS)
LOCAL_SHARED_LIBRARIES := $(MY_SHARED_LIBS)
include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)
LOCAL_MODULE := iwpriv
LOCAL_SRC_FILES := $(MY_SRC_LWE) iwpriv.c
LOCAL_CFLAGS += $(MY_CFLAGS)
LOCAL_C_INCLUDES := $(MY_C_INCLUDES)
LOCAL_STATIC_LIBRARIES := $(MY_STATIC_LIBS)
LOCAL_SHARED_LIBRARIES := $(MY_SHARED_LIBS)
include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)
LOCAL_MODULE := iwspy
LOCAL_SRC_FILES := $(MY_SRC_LWE) iwspy.c
LOCAL_CFLAGS += $(MY_CFLAGS)
LOCAL_C_INCLUDES := $(MY_C_INCLUDES)
LOCAL_STATIC_LIBRARIES := $(MY_STATIC_LIBS)
LOCAL_SHARED_LIBRARIES := $(MY_SHARED_LIBS)
include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)
LOCAL_MODULE := iwgetid
LOCAL_SRC_FILES := $(MY_SRC_LWE) iwgetid.c
LOCAL_CFLAGS += $(MY_CFLAGS)
LOCAL_C_INCLUDES := $(MY_C_INCLUDES)
LOCAL_STATIC_LIBRARIES := $(MY_STATIC_LIBS)
LOCAL_SHARED_LIBRARIES := $(MY_SHARED_LIBS)
include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)
LOCAL_MODULE := iwevent
LOCAL_SRC_FILES := $(MY_SRC_LWE) iwevent.c
LOCAL_CFLAGS += $(MY_CFLAGS)
LOCAL_C_INCLUDES := $(MY_C_INCLUDES)
LOCAL_STATIC_LIBRARIES := $(MY_STATIC_LIBS)
LOCAL_SHARED_LIBRARIES := $(MY_SHARED_LIBS)
include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)
LOCAL_MODULE := ifrename
LOCAL_SRC_FILES := $(MY_SRC_LWE) ifrename.c
LOCAL_CFLAGS += $(MY_CFLAGS)
LOCAL_C_INCLUDES := $(MY_C_INCLUDES)
LOCAL_STATIC_LIBRARIES := $(MY_STATIC_LIBS)
LOCAL_SHARED_LIBRARIES := $(MY_SHARED_LIBS)
include $(BUILD_EXECUTABLE)

# error: undefined reference to 'iw_saether_ntop'
# solution: replace #include "iwlib.h" by #include "iwlib-private.h" in macaddr.c
include $(CLEAR_VARS)
LOCAL_MODULE := macaddr
LOCAL_SRC_FILES := $(MY_SRC_LWE) macaddr.c
LOCAL_CFLAGS += $(MY_CFLAGS)
LOCAL_C_INCLUDES := $(MY_C_INCLUDES)
LOCAL_STATIC_LIBRARIES := $(MY_STATIC_LIBS)
LOCAL_SHARED_LIBRARIES := $(MY_SHARED_LIBS)
include $(BUILD_EXECUTABLE)

include $(CLEAR_VARS)
LOCAL_MODULE := iwmulticall
LOCAL_SRC_FILES := iwmulticall.c
LOCAL_CFLAGS += $(MY_CFLAGS) -Wstrict-prototypes -Wmissing-prototypes -MMD -Wl,-s
LOCAL_C_INCLUDES := $(MY_C_INCLUDES)
LOCAL_STATIC_LIBRARIES := $(MY_STATIC_LIBS)
LOCAL_SHARED_LIBRARIES := $(MY_SHARED_LIBS)
include $(BUILD_EXECUTABLE)

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