Ubuntu环境下OpenCV 3.2版本中CMake error the source directory does not exist
2018-01-23 11:39
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最近想编译安装一下OpenCV,发现用了CMake问题很多,网上对这一块都没有具体介绍,后来才发现是一个简单的白痴问题,因此将问题在此记录一下。
关于OpenCV的安装文档特别多。
无非都是以下几步:
(1) 下载opencv, opencv-contrib源码。
(2) 提前安装一些库:主要有:
sudo apt-get install build-essential cmake pkg-config
sudo apt-get install libjpeg8-dev libtiff5-dev libjasper-dev libpng12-dev
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
sudo apt-get install libxvidcore-dev libx264-dev
sudo apt-get install libgtk-3-dev
sudo apt-get install libatlas-base-dev gfortran
(3) 开始进行cmake
这个时候,坑就来了,网上大多采用的是:
cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
-D INSTALL_PYTHON_EXAMPLES=ON \
-D INSTALL_C_EXAMPLES=OFF \
-D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib-3.2.0/modules \
-D PYTHON_EXECUTABLE=/usr/lib/python3 \
-D BUILD_EXAMPLES=ON ..
但是这个时候,总是运行不过去,马上就碰到了个文件路径没有找到的问题。
CMake
Error: The source directory "/home/michael/opencv-3.1.0/release/CMAKE_INSTALL_PREFIX=/home/michael/opencv-3.1.0" does not exist.
碰到这个问题基本上无解,找了好多地方都没有说这个问题。
而碰巧的是,最后深度一下,把-D后面的空格去掉果然可以。
cmake -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=/usr/local.. -DINSTALL_PYTHON_EXAMPLES=ON -DINSTALL_C_EXAMPLES=OFF -DOPENCV_EXTRA_MODULES_PATH=~/soft/opencv_contrib-master/modules -DPYTHON_EXECUTABLE=/usr/local/bin/python/python3.6 \
-DBUILD_EXAMPLES=OFF
关于OpenCV的安装文档特别多。
无非都是以下几步:
(1) 下载opencv, opencv-contrib源码。
(2) 提前安装一些库:主要有:
sudo apt-get install build-essential cmake pkg-config
sudo apt-get install libjpeg8-dev libtiff5-dev libjasper-dev libpng12-dev
sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev
sudo apt-get install libxvidcore-dev libx264-dev
sudo apt-get install libgtk-3-dev
sudo apt-get install libatlas-base-dev gfortran
(3) 开始进行cmake
这个时候,坑就来了,网上大多采用的是:
cmake -D CMAKE_BUILD_TYPE=RELEASE \
-D CMAKE_INSTALL_PREFIX=/usr/local \
-D INSTALL_PYTHON_EXAMPLES=ON \
-D INSTALL_C_EXAMPLES=OFF \
-D OPENCV_EXTRA_MODULES_PATH=~/opencv_contrib-3.2.0/modules \
-D PYTHON_EXECUTABLE=/usr/lib/python3 \
-D BUILD_EXAMPLES=ON ..
但是这个时候,总是运行不过去,马上就碰到了个文件路径没有找到的问题。
CMake
Error: The source directory "/home/michael/opencv-3.1.0/release/CMAKE_INSTALL_PREFIX=/home/michael/opencv-3.1.0" does not exist.
碰到这个问题基本上无解,找了好多地方都没有说这个问题。
而碰巧的是,最后深度一下,把-D后面的空格去掉果然可以。
cmake -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=/usr/local.. -DINSTALL_PYTHON_EXAMPLES=ON -DINSTALL_C_EXAMPLES=OFF -DOPENCV_EXTRA_MODULES_PATH=~/soft/opencv_contrib-master/modules -DPYTHON_EXECUTABLE=/usr/local/bin/python/python3.6 \
-DBUILD_EXAMPLES=OFF
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