[Ipopt] ipopt - Build Issues

[Andrey Romanenko]

Hello,

On Tuesday 21 April 2009 08:46:39 John Pye wrote:
[]
> > ../../Interfaces/.libs/libipopt.so: undefined reference to `s_copy'
> > ../../Interfaces/.libs/libipopt.so: undefined reference to `d_sign'
> > ../../Interfaces/.libs/libipopt.so: undefined reference to `do_fio'
> > collect2: ld returned 1 exit status
>
> Looks like you are failing to link properly to BLAS, unless I'm
> mistaken. Check the output of 'ldd libipopt.so' to see what it's linking
> to, and check that your BLAS exists and contains those symbols. Check
> the configure flags to see if you've missed setting something.

Probably BLAS, or something else was compiled with f77 g77. These appear to be 
symbols either from libf77 or from libg2c. An appropriate linker flag should be 
included (-lf77 or -lg2c)

Best Regards,
Andrey Romanenko

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