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参考博客:http://blog.csdn.net/hansry/article/details/75309906
报错:CMake Error at CMakeLists.txt:7 (find_package):
Could not find a configuration file for package "OpenCV" that is compatible
with requested version "3.1".
The following configuration files were considered but not accepted:
/usr/OpenCV/OpenCVConfig.cmake, version: 2.4.8
查询现在系统中的版本是2.4.8
pkg-config --modversion opencv
以前也安装过3.1.0,所以安装包都有。
进入解压缩之后的文件夹,进入build文件夹,先清空build文件夹,然后cmake
cmake -D CMAKE_BUILD_TYPE=RELEASE -D WITH_TBB=ON -D WITH_V4L=ON -D CMAKE_INSTALL_PREFIX=/usr/local/opencv310 ..
可以发现,上面cmake的时候指定了安装路径为
/usr/local/opencv310
然后依然是
make -j2
sudo make install
安装结束就可以在/usr/local/目录下看到opencv310这个文件夹了
使用:
CMakeLists.txt文件里面这样设置:
# OpenCV 3.1.0
set( OpenCV_DIR /usr/local/opencv310/share/OpenCV )
find_package( OpenCV 3.1 REQUIRED )
include_directories( /usr/local/opencv310/include )
这样就可以调用opencv的3.1.0版本了。
例如:
add_executable( main main.cpp )
target_link_libraries(main ${OpenCV_LIBS})
而如果想调用2.4.8的话,就只用写第二行,并且不用写3.1,即
#OpenCV 2.4.8
find_package( OpenCV REQUIRED )
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