[ovs-discuss] ovs-dpdk:cannot link with dpdk

[wangrongs163]

Mr Dear:
    I am using ovs on DPDK platform,and encountered the following issue:  "configure: error: cannot link with dpdk".
Bellows are the details of the commands.
    Here are my files-list:
[root at root /home/wangrong]#ls
dpdk-2.1.0  iperf-2.0.2  openvswitch-2.4.0  ovs-2.4.0  pcap  tar-gz  test


(1)Make DPDK
export DPDK_DIR=/home/wangrong/dpdk-2.1.0

cd $DPDK_DIR
vim config/common_linuxapp <修改之后编译成单个lib大文件，支持vhost>
    CONFIG_RTE_BUILD_COMBINE_LIBS=y
    CONFIG_RTE_LIBRTE_VHOST=y
    CONFIG_RTE_LIBRTE_VHOST_USER=n

make install T=x86_64-native-linuxapp-gcc //若提示fuse头文件错误，解决方法见附1.
export RTE_SDK=/home/wangrong/dpdk-2.1.0
export RTE_TARGET=x86_64-native-linuxapp-gcc
export EXTRA_CFLAGS="-O0 -g"
cd $DPDK_DIR/lib/librte_vhost/eventfd_link <为了支持vhost，需要编译该内核模块>
make
(2)Make OVS
export OVS_DIR=/home/wangrong/ovs-2.4.0
export DPDK_BUILD=$DPDK_DIR/x86_64-native-linuxapp-gcc
cd $OVS_DIR
./boot.sh
./configure --with-dpdk=$DPDK_BUILD CFLAGS="-g -O2 -Wno-cast-align" <编译OVS的时候指定加入DPDK> 


Here comes the ERROR:configure: error: cannot link with dpdk
        This error confuses me and I come to for help.
Thanks a lot.
  Sincerely youres WangRong








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