cmake error the source does not appear to contain CMakeLists txt

Question

I m installing opencv in ubuntu 16 04  After installing the necessary prerequisites I used the following command -  kvs Hunter   opencv contrib  mkdir build kvs Hunter   opencv contrib  cd build kvs Hunter   opencv contrib build   kvs Hunter   opencv contrib build  cmake -D CMAKE BUILD TYPE RELEASE -D CMAKE INSTALL PREFIX  usr local -D INSTALL C EXAMPLES ON -D INSTALL PYTHON EXAMPLES ON -D OPENCV EXTRA MODULES PATH   opencv contrib modules -D BUILD EXAMPLES ON      but it produced an error -  CMake Error  The source directory   home kvs opencv contrib  does not appear to contain CMakeLists txt  Specify --help for usage  or press the help button on the CMake GUI    I used the command provided in the folder  module  documentation  How do I solve it  I tried the answers here at stack-overflow and a few other question but still can t figure it out   Project Git repository here

User · Answer

Since you add    after cmake  it will jump up and up  just like cd     in the directory  But if you want to run cmake under the same folder with CMakeLists txt  please use   instead of

User · Answer

You should do mkdir build and cd build while inside opencv folder  not the opencv-contrib folder  The CMakeLists txt is there

User · Answer

This reply may be late but it may help users having similar problem  The opencv-contrib  available at https   github com opencv opencv contrib releases   contains extra modules but the build procedure has to be done from core opencv  available at from https   github com opencv opencv releases  modules   Follow below steps  assuming you are building it using CMake GUI    Download openCV  from https   github com opencv opencv releases  and unzip it somewhere on your computer  Create build folder inside it Download exra modules from OpenCV   from https   github com opencv opencv contrib releases   Ensure you download the same version  Unzip the folder  Open CMake Click Browse Source and navigate to your openCV folder  Click Browse Build and navigate to your build Folder  Click the configure button  You will be asked how you would like to generate the files  Choose Unix-Makefile from the drop down menu and Click OK  CMake will perform some tests and return a set of red boxes appear in the CMake Window  Search for  OPENCV EXTRA MODULES PATH  and provide the path to modules folder  e g   Users purushottam d Programs OpenCV3 4 5 contrib modules  Click Configure again  then Click Generate  Go to build folder     cd build   make   sudo make install    This will install the opencv libraries on your computer

[python] cmake error 'the source does not appear to contain CMakeLists.txt'

Examples related to python

Examples related to opencv