[Ipopt] IPOPT with MA57

[林涛]

Dear all,
          I used MA57 as the linear solver. But when I ran the example
hs071_cpp, I got the information bellow:

[lt at localhost hs071_cpp]$ ./hs071_cpp
HSL routine MA27AD not found in libhsl.so.
Abort...


What should I do？
-- 
Sincerely Yours, Lintao (林涛）
EDA Labs,
Dept. of Computer Science & Technology,
Tsinghua University,
Beijing, P.R. China
100084
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