Fail to build data_preprocessing

[zyhbili]

Thanks for your great work! I encounter some problems when building executables from the c++ files in data_preprocessing.

CMake Error at Pop-Out-Motion/libigl/cmake/libigl.cmake:5 (message):
You included libigl.cmake directly from your own project. This behavior is
not supported anymore. Please add libigl to your project via
add_subdirectory(<path_to_libigl>). See the libigl example project for
more information: https://github.com/libigl/libigl-example-project/
Call Stack (most recent call first):
cmake/FindLIBIGL.cmake:37 (include)
CMakeLists.txt:10 (find_package)

However, I build the libigl-example-project successfully. Could you provide some solutions?

[jyunlee]

Thank you for your interest in our work! I am sorry that I haven't encountered this issue before though... Have you tried adding add_subdirectory(<path_to_libigl>) as the error message suggests? Please let me know if you have solved this issue.