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udp2raw build guide

the guide on how to build udp2raw

Build udp2raw for a specific platform

linux platform which supports local compile

such as PC,raspberry pi

install git

run on debian/ubuntun：

sudo apt-get install git

run on redhat/centos:

sudo yum install git
clone git code

run in any dir：

git clone https://github.com/wangyu-/udp2raw-tunnel.git
cd udp2raw-tunnel
install compile tool

run on debian/ubuntun：

sudo apt-get install build-essential

run on redhat/centos:

sudo yum groupinstall 'Development Tools'

run 'make'，compilation done. the udp2raw file is the just compiled binary

platform which needs cross-compile

such as openwrt router,run following instructions on your PC

install git

run on debian/ubuntun：

sudo apt-get install git

run on redhat/centos:

sudo yum install git
download cross compile tool chain

find it on downloads.openwrt.org according to your openwrt version and cpu model.

for example, my tplink wdr4310 runs chaos_calmer 15.05,its with ar71xx cpu，download the following package.

http://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/OpenWrt-SDK-15.05-ar71xx-generic_gcc-4.8-linaro_uClibc-0.9.33.2.Linux-x86_64.tar.bz2

unzip it to any dir,such as ：/home/wangyu/OpenWrt-SDK-ar71xx-for-linux-x86_64-gcc-4.8-linaro_uClibc-0.9.33.2

cd into staging_dir ，toolchain-xxxxx ，bin .find the soft link with g++ suffix. in my case ,its mips-openwrt-linux-g++ ,check for its full path:

/home/wangyu/Desktop/OpenWrt-SDK-15.05-ar71xx-generic_gcc-4.8-linaro_uClibc-0.9.33.2.Linux-x86_64/staging_dir/toolchain-mips_34kc_gcc-4.8-linaro_uClibc-0.9.33.2/bin/mips-openwrt-linux-g++
compile

modify first line of makefile to:

cc_cross=/home/wangyu/Desktop/OpenWrt-SDK-15.05-ar71xx-generic_gcc-4.8-linaro_uClibc-0.9.33.2.Linux-x86_64/staging_dir/toolchain-mips_34kc_gcc-4.8-linaro_uClibc-0.9.33.2/bin/mips-openwrt-linux-g++

run make cross，the just generated udp2raw_cross is the binary,compile done. copy it to your router to run.

make cross generates non-static binary. If you have any problem on running it,try to compile a static binary by using make cross2 or make cross3.If your toolchain supports static compiling, usually one of them will succeed. The generated file is still named udp2raw_cross.

Build a full release (include all binaries supported in the makefile)

  1. make sure your linux is amd64 version

  2. clone the repo

  3. make sure you have g++ , make sure your g++ support the -m32 option; make your your have installed libraries for -m32 option

  4. download https://github.com/wangyu-/files/releases/download/files/toolchains.tar.gz , and extract it to the right position (according to the makefile)

  5. run make release inside udp2raw's directory