android源码编译失败（dhcpcd is not in ELF format!）

Question

android source build error of dhcpcd is not in ELF format!

build android environment :

1. ubuntu-16.04.6-desktop-amd64.iso ,
2. jdk1.6 ,
3. android_2.3.3
4. ...

the error bellow :

target Strip: dhcpcd (out/target/product/generic/obj/EXECUTABLES/dhcpcd_intermediates/dhcpcd)
build/tools/soslim/main.c(140): Input file out/target/product/generic/symbols/system/bin/dhcpcd is not in ELF format!
make: * [out/target/product/generic/obj/EXECUTABLES/dhcpcd_intermediates/dhcpcd] Error 1

1. i know ELF error ,but I don't know how to deal with it

Thanks!!