CMake Error at cmake/OpenCVModule.cmake:291 (add_subdirectory):
The binary directory
D:/opencv3.4/opencv/newbuild/modules/calib3d/.calib3d
is already used to build a source directory. It cannot be used to build
source directory
D:/opencv-3.4.0/opencv-3.4.0/modules/calib3d
Specify a unique binary directory name.
Call Stack (most recent call first):
modules/CMakeLists.txt:7 (ocv_glob_modules)
The binary directory
D:/opencv3.4/opencv/newbuild/modules/calib3d/.calib3d
is already used to build a source directory. It cannot be used to build
source directory
D:/opencv-3.4.0/opencv-3.4.0/modules/calib3d
Specify a unique binary directory name.
Call Stack (most recent call first):
modules/CMakeLists.txt:7 (ocv_glob_modules)