[Ipopt] Ipopt include files

[Brad Bell]

Revision 2162 of the Ipopt trunk seems to have fixed the problem.

Thanks.

On 01/01/2013 01:39 PM, Stefan Vigerske wrote:
> Hi,
>
> I can nail it down to IpVector.hpp. There, a number of functions are 
> implemented with inline attribute. Therefor, compiling IpVector.hpp 
> does not define any symbols.
> However, g++ seems to create references to the functions that are 
> called by the implementation, e.g., Ipopt::Vector::AddTwoVectorsImpl.
>
> At 
> http://stackoverflow.com/questions/4769479/c-inlining-class-methods-causes-undefined-reference 
> it is suggested that a possible cause could be that functions have not 
> been declared as inline in the class definition. This was indeed not 
> the case for IpVector.hpp and at some other places. I think I've fixed 
> this now with r2161 in trunk.
>
> Stefan
>
> On 12/31/2012 01:51 PM, Brad Bell wrote:
>> I am attaching a shell script that demonstrates the problem. You will
>> need to change the assignment
>>      ipopt_prefix="$HOME/prefix/ipopt"
>> to the proper prefix for the installation of Ipopt on your system. The
>> result I get when I execute the attached script is:
>>
>> [bradbell at brad trash]$ ./ipopt_include_question.sh
>> g++ ipopt_include_question.cpp -o ipopt_include_question
>> -I/home/bradbell/prefix/ipopt/include
>> /tmp/ccyZl7BK.o:(.rodata._ZTVN5Ipopt6VectorE[_ZTVN5Ipopt6VectorE]+0xc8):
>> undefined reference to `Ipopt::Vector::AddTwoVectorsImpl(double,
>> Ipopt::Vector const&, double, Ipopt::Vector const&, double)'
>> /tmp/ccyZl7BK.o:(.rodata._ZTVN5Ipopt6VectorE[_ZTVN5Ipopt6VectorE]+0xd0):
>> undefined reference to `Ipopt::Vector::FracToBoundImpl(Ipopt::Vector
>> const&, double) const'
>> /tmp/ccyZl7BK.o:(.rodata._ZTVN5Ipopt6VectorE[_ZTVN5Ipopt6VectorE]+0xd8):
>> undefined reference to `Ipopt::Vector::AddVectorQuotientImpl(double,
>> Ipopt::Vector const&, Ipopt::Vector const&, double)'
>> /tmp/ccyZl7BK.o:(.rodata._ZTVN5Ipopt6VectorE[_ZTVN5Ipopt6VectorE]+0xe0):
>> undefined reference to `Ipopt::Vector::HasValidNumbersImpl() const'
>> collect2: error: ld returned 1 exit status
>> [bradbell at brad trash]$
>>
>>
>>
>>
>>
>> On 12/30/2012 07:36 AM, Stefan Vigerske wrote:
>>> Hi,
>>>
>>> On 12/30/2012 02:47 PM, Brad Bell wrote:
>>>> I have a template class header file that includes the files
>>>>      # include <coin/IpIpoptApplication.hpp>
>>>>      # include <coin/IpTNLP.hpp>
>>>>
>>>> I never use the template class, so even though I define it, I do not
>>>> expect to need Ipopt to link the corresponding program. The problem is
>>>> that it appears that the Ipopt include files listed above are not pure
>>>> definitions; i.e., they are actually building code that requires the
>>>> Ipopt library to link ?
>>>
>>> These two header files include a number of other files.
>>> Can you be more specific what code they are building? Which symbols do
>>> they define?
>>>
>>> Stefan
>>>
>>>
>>
>
>