Facing problem in generating a mex file

I have install opencv also and give following syntax as directed in github but is showing below error

mex generateEllipseCandidates.cpp -IC:\Program Files\MATLAB\opencv-2.4.9\build\include -IC:\Program Files\MATLAB\opencv-2.4.9\build\include\opencv -IC:\Program Files\MATLAB\opencv-2.4.9\build\include\opencv2 -lC:\Program Files\MATLAB\opencv-2.4.9\build\x64\vc11\lib -IC:\Program Files\MATLAB\R2019b\extern\include -lC:\Program Files\MATLAB\R2019b\extern\lib\win64\microsoft -lopencv_core249 -lopencv_highgui249 -lopencv_imgproc249 -llibmwlapack.lib

Error using mex

C:\ProgramFiles\MATLAB\High-quality-ellipse-detection-master\High-quality-ellipse-detection-master\Files\MATLAB\opencv-2.4.9\build\include

not found; check that you are in the correct current folder, and check the spelling of 'C:\Program

Files\MATLAB\High-quality-ellipse-detection-master\High-quality-ellipse-detection-master\Files\MATLAB\opencv-2.4.9\build\include'.

Answer 1

[Praveen Iyyappan Valsala]

Could be because of the spaces in the file paths. Try encapsulating them in double quotes.

mex generateEllipseCandidates.cpp -I"C:\Program Files\MATLAB\opencv-2.4.9\build\include" ...

source: https://in.mathworks.com/matlabcentral/answers/443823-mex-include-path-merged-with-working-directory-path