[Couenne] configuring Couenne

[Stefan Vigerske]

Hi,

did you provide a linear solver like Mumps? Did configure recognize that
it is there?
If Ipopt does not find a linear solver, it still builds, but tries to
load MA27 (by default) dynamically at runtime.

Stefan

Matthew Galati wrote:
> What is the trick to configuring Couenne? I have tried several things, but I
> cannot get passed this error.
> 
> [magala at orclus71 build]$ ls ThirdParty/HSL/
> config.log  config.status  dummy.lo  libcoinhsl.la  Makefile
> 
> 
> 
> Problem size before reformulation: 14247 variables (4729 integer), 9750
> constrai                                                               nts.
> Couenne: reformulation time 16.536s
> Problem size after  reformulation: 19289 variables (4749 integer), 5021
> constrai                                                               nts.
> Exception of type: OPTION_INVALID in file
> "../../../../Ipopt/src/Algorithm/IpAlg
> Builder.cpp" at line 275:
>  Exception message: Selected linear solver MA27 not available.
> Tried to obtain MA27 from shared library "libhsl.so", but the following
> error oc
> cured:
> libhsl.so: cannot open shared object file: No such file or directory
> 
> EXIT: Invalid option encountered.
> Segmentation fault
> [magala at orclus71 build]$
> 
> 
> 
> ------------------------------------------------------------------------
> 
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-- 
Stefan Vigerske
Humboldt University Berlin, Numerical Mathematics
http://www.math.hu-berlin.de/~stefan