​ WARNING: linker: ./demo: unused DT entry: type 0x6ffffffe 解决！！

demo.c

#include <stdio.h>

int main(int argc, char *argv[])
{
    printf("www.chinapyg.com!\n");
    return 0;
}

Android.mk

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE    := demo 
LOCAL_SRC_FILES := ../demo.c 
LOCAL_ARM_MODE := arm
LOCAL_CFLAGS := -g
LOCAL_CFLAGS += -pie -fPIE
LOCAL_LDFLAGS += -pie -fPIE

include $(BUILD_EXECUTABLE)

Application.mk

APP_OPTIM := release
APP_PLATFORM := android-14  
APP_ABI := armeabi-v7a

NDK编译：

C:\Users\piao\Downloads\adbi\demo\jni
λ ndk-build.cmd
[armeabi-v7a] Compile arm    : demo <= demo.c
[armeabi-v7a] Executable     : demo
[armeabi-v7a] Install        : demo => libs/armeabi-v7a/demo

经过测试~~

此警告只会在5.0以上系统出现：

root@ido:/data/local/tmp # ./demo
WARNING: linker: ./demo: unused DT entry: type 0x6ffffffe arg 0x41c
WARNING: linker: ./demo: unused DT entry: type 0x6fffffff arg 0x1
www.chinapyg.com!

解决方法：https://github.com/kost/android-elf-cleaner  

在Ubuntu16.04编译后：

piao@piaopiao:~/Desktop/android-elf-cleaner$ make
g++   -std=c++14 -Wall -Wextra -pedantic -Werror android-elf-cleaner.cpp -o android-elf-cleaner

然后执行：

piao@piaopiao:~/Desktop/android-elf-cleaner$ ./android-elf-cleaner demo
./android-elf-cleaner: Removing the DT_VERNEEDED dynamic section entry from 'demo'
./android-elf-cleaner: Removing the DT_VERNEEDNUM dynamic section entry from 'demo'
piao@piaopiao:~/Desktop/android-elf-cleaner$

再次push到手机里面运行：

root@ido:/data/local/tmp # ./demo
www.chinapyg.com!

如果哪位大神有更加优雅的办法解决（比如添加什么编译参数之类的）还请告知！！

参考文档：https://stackoverflow.com/questions/33206409/unused-dt-entry-type-0x1d-arg/41900551