CentOS 7下安装OpenCV

摘要: opencv

安装gcc和gcc-c++

yum install -y gcc

yum install - gcc-c++

安装cmake

yum install -y cmake

下载opencv源码

wget https://github.com/opencv/opencv/archive/2.4.13.4.zip
mv 2.4.13.4.zip opencv-2.4.13.4.zip

unzip opencv-2.4.13.4.zip

cd opencv-2.4.13.4

mkdir build

cd build

cmake ../

make或者和make j10 说明第二个参数是并行编译，此参数应由机器核数来设置，一般为CPU核心数目的2倍

make install

环境变量配置

vi /etc/profile

PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
export PKG_CONFIG_PATH

!wp

source /etc/profile

动态库目录设置

vi /etc/ld.so.config.d/opencv.conf

/usr/local/lib

!wp

ldconfig

编译

g++ GM.cpp $(pkg-config --cflags --libs opencv) -shared -fPIC -o libGM.so