Created by: 1224wxwx

• 版本、环境信息：    1）PaddlePaddle版本：1.6.3.post97    2）CPU：    3）GPU：K80、CUDA9.0、CUDNN7.1.4    4）系统环境：ubuntu16.04，python3.7和python2.7，gcc4.8.5，cmake 3.5.1

• 安装方式信息： 1）pip安装：python3 -m pip install paddlepaddle-gpu==1.6.3.post97 -i https://mirror.baidu.com/pypi/simple

• 复现信息：如为报错，请给出复现环境、复现步骤 根据 https://github.com/PaddlePaddle/PaddleDetection/blob/release/0.1/inference/docs/linux_build.md 教程里面的方法，编译安装完opencv后，编译paddleDetection的C++预测库报错。

opencv的cmake命令如下：

预测库的cmake命令如下：

• 问题描述：请详细描述您的问题，同步贴出报错信息、日志/代码关键片段 在C++预测库cmake成功完成后，使用make命令报错如下，显示安装的opencv中少个文件：

opencv之前已经成功安装在/home/wushengjian/release-p-test/opencv如下：

另外在make预测库的时候，还会出现很多warning如下：

Thank you for contributing to PaddlePaddle. Before submitting the issue, you could search issue in Github in case that there was a similar issue submitted or resolved before. If there is no solution,please make sure that this is an installation issue including the following details: System information -PaddlePaddle version （eg.1.1）or CommitID -CPU: including CPUMKL/OpenBlas/MKLDNN version -GPU: including CUDA/CUDNN version -OS Platform (eg. Mac OS 10.14) -Python version

• Install method: pip install/install with docker/build from source(without docker)/build within docker
• Other special cases that you think may be related to this problem, eg. offline install, special internet condition   To Reproduce Steps to reproduce the behavior Describe your current behavior Code to reproduce the issue Other info / logs