[Ipopt] Question about installing IPOPT

[John Pye]

You need to provide a little more of the 'make' output, in particular
the stuff that came before this bit:

collect2: ld returned 1 exit status

My *guess* would be that you need to provide some more flags for the
./configure command to tell 'make' where your AMPL libraries are
located. But I haven't linked against AMPL so I don't know.

Cheers
JP

Ma Yudong wrote:
> Hello
> I was trying to install IPOPT for my research. And I installed the
> cygwin in my MS vista bussness OS. and follow the steps in the
> "documenation_IPOPT.pdf", everything ran well, and the configuration
> is successful, but when I type make, at the end, an error shows up like
> collect2: ld returned 1 exit status
> make[3]: *** [ipopt.exe] Error 1
> make[3]: Leaving directory `/home/myd/Ipopt/Ipopt/src/Apps/AmplSolver'
> make[2]: *** [all-recursive] Error 1
> make[2]: Leaving directory `/home/myd/Ipopt/Ipopt/src/Apps'
> make[1]: *** [all-recursive] Error 1
> make[1]: Leaving directory `/home/myd/Ipopt/Ipopt'
> make: *** [all-recursive] Error 1
> .
> would you please help me out
>
> -- 
> Thank you very much
>
> Yours
> Yudong Ma
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