[Ipopt] problem with ipopt examples

[Gabriel Hackebeil]

I have run into many cases on OS X in the past where the environment variables set by XCode confuse the C++ compiler with the C compiler during the link phase (or something like this). I was always able to get around it by explicitly setting the compiler variables in the configure step. E.g.,

./configure CC=clang CXX=clang++

or

./configure CC=gcc-6 CXX=g++-6

Maybe that will fix your case.

Gabe

> On Oct 14, 2015, at 2:09 PM, Carmelo Sferrazza (Carlo) <carlo.sferrazza at hotmail.it> wrote:
> 
> Hi,
> 
> I’m trying to run the ‘hs071’ example, but I’m running in the following error:
> 
> Undefined symbols for architecture x86_64:
>   "_IpoptApplicationFactory", referenced from:
> 
> How can I solve this? I’m on a Mac OS X.
> 
> Thank you.
> 
> Carlo
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