Question: external function call failed

I called an external function for Gauss elimination written in C in Linux. I successfully compiled and used following command in maple worksheet.

mygauss:=define_external('main',LIB="/home/user/Desktop/gauss.so"):

it gave the following output

 

cannot dynamically load executable

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The C code is attached gauss1.txt.

 

 gauss1.txt

 

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