Why does Matlab set a custom LD_LIBRARY_PATH when execting "system" on Linux?

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Richard Crozier
Richard Crozier 2015-3-6
回答： Walter Roberson 2016-7-25
Why does Matlab set the LD_LIBRARA_PATH environment variable of the shell in which it executes "system" commands on Linux?
I can understand setting this for matlab's own use, but for commands executed on the system, surely you want them to be executed using the system libraries. I only discovered this because I was finding my commands failing with cryptic errors referencing paths in the Matlab installation directory.
Is there any way to control the behviour?

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Walter Roberson
Walter Roberson 2016-7-25
MATLAB uses system() to invoke its own utilities such as mex(), so it needs to have the right LD_LIBRARY_PATH set up for those, and those utilities need to be accessible to scripts that the user invokes.

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Rob Campbell
Rob Campbell 2016-7-25

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