[vtkusers] no debugging symbols found

[anhuiavril]

Hello There, I'm a newbie to VTK and linux, I want to use VTK to do a 3D Graphics Project in Linux. I wanna use g++ to compile VTK examples,but it told me "undefined reference to New() function" I don't know why. However, I use Cmake compile the VTK examples Tutorials/Step1/Cone.cxx, it worked and generated the binary, but if I use gdb to debug the binary, it told me no debuggind symbols found, OH, Could You Help Me???
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