Cannot modify efficiently the rpath of gurobi tools

Sébastien Moretti

• June 22, 2020 14:45

Hi
We installed gurobi in an unusual place and to avoid usage of LD_LIBRARY_PATH we modified the rpath (with patchelf) of gurobi tools.

We would like to avoid to use LD_LIBRARY_PATH because it can cause issues with some other software.
We usually modify *rpath* for other software and it always works.

Unfortunately only gurobi_cl and grbtune look to work properly.
Other tools such as grbgetkey return this error message:
"grbgetkey: relocation error: grbgetkey: symbol , version GLIBC_2.2.5 not defined in file libc.so.6 with link time reference"

Is there a way to avoid this or to avoid LD_LIBRARY_PATH usage?
Best

0

• 

  Matthias Miltenberger

  Gurobi Staff

  • June 23, 2020 10:30

  Hi Sébastien,

  If you want to avoid a global LD_LIBRARY_PATH, I recommend setting this variable only when you need it, e.g. 

  $> LD_LIBRARY_PATH=<custom/gurobi/path> gurobi_cl

  Please don't modify Gurobi binaries.

  Cheers,
  Matthias

  0
• 

  Sébastien Moretti

  • June 24, 2020 07:21

  

  

  

  I will try to alias commands with

  LD_LIBRARY_PATH=<custom/gurobi/path>

  in front of them. Thanks
  
  But I would like to understand why modifying rpath does not work for gurobi

  0
• 

  Matthias Miltenberger

  Gurobi Staff

  • June 24, 2020 08:21

  Can you explain in more detail how you used patchelf to modify the rpath?

  0
• 

  Sébastien Moretti

  • June 24, 2020 08:44

  

  

  

  On each binary and library (.so file) I run those commands:

  patchelf --set-interpreter <our_local>/ld-linux-x86-64.so.2  <binary or library>
  patchelf --set-rpath       $GUROBI_HOME/lib                  <binary or library>

  0

Please sign in to leave a comment.