Missing the definition of TGLVertex3::TGLVertex3(double, double, double)

ROOT
1

Hi,
I’m trying to create a TGLVertex3 object on the stack in ROOT prompt:

[XXX@YYY ~]$ root
   ------------------------------------------------------------------
  | Welcome to ROOT 6.24/08                        https://root.cern |
  | (c) 1995-2021, The ROOT Team; conception: R. Brun, F. Rademakers |
  | Built for linuxx8664gcc on Sep 29 2022, 13:04:57                 |
  | From tags/v6-24-08@v6-24-08                                      |
  | With c++ (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)                 |
  | Try '.help', '.demo', '.license', '.credits', '.quit'/'.q'       |
   ------------------------------------------------------------------

root [0] TGLVertex3(1, 2, 3)
IncrementalExecutor::executeFunction: symbol '_ZN10TGLVertex3C1Eddd' unresolved while linking [cling interface function]!
You are probably missing the definition of TGLVertex3::TGLVertex3(double, double, double)
Maybe you need to load the corresponding shared library?
root [1]

Is there anything I can do short of upgrading to a newer ROOT version?
Thanks!

ROOT Version: 6.24/08
Platform: CentOS Linux 7
Compiler: g++ (GCC) 4.8.5 20150623

2

Hi,

As the message says "Maybe you need to load the corresponding shared library?" . Can you load other TGLxxx classes or is it only that one ?

3

I also tried TGLVector3 and TGLRect with the same result:

root [0] TGLVector3(1, 2, 3)
IncrementalExecutor::executeFunction: symbol '_ZN10TGLVector3C1Eddd' unresolved while linking [cling interface function]!
You are probably missing the definition of TGLVector3::TGLVector3(double, double, double)
Maybe you need to load the corresponding shared library?
root [1] TGLRect(1, 2, 3, 4)
IncrementalExecutor::executeFunction: symbol '_ZN7TGLRectC1Eiiii' unresolved while linking [cling interface function]!
You are probably missing the definition of TGLRect::TGLRect(int, int, int, int)
Maybe you need to load the corresponding shared library?
4

It looks like the ROOT version you are using was installed without these classes.

5

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