I already build opencv library.
And write a project to use opencv
When I use generator vs2019, it will show the error.
I check the opencv folder and it has
opencv_structured_light445.lib opencv_reg445.lib opencv_saliency445.lib ...
find_package(OPENCV) can find these library
Here is my command
```
cmake -G "Visual Studio 16 2019" -DCMAKE_BUILD_TYPE=Debug ..
```
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_reg" configuration
"RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_rgbd" configuration
"RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_saliency" configuration
"RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_shape" configuration
"RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_stereo" configuration
"RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_structured_light"
configuration "RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_superres" configuration
"RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_surface_matching"
configuration "RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_text" configuration
"RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_tracking" configuration
"RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_videostab"
configuration "RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_wechat_qrcode"
configuration "RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_xfeatures2d"
configuration "RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_ximgproc" configuration
"RelWithDebInfo".
CMake Error in CMakeLists.txt:
IMPORTED_IMPLIB not set for imported target "opencv_xobjdetect"
configuration "RelWithDebInfo".What should I do? It doesnt show line error.
But I try to use the command. Use ninja
```
cmake -G "Ninja" -DCMAKE_BUILD_TYPE=Debug ..
```
Then it will success.
