dolfin team mailing list archive

["Dag Lindbo" <dag@xxxxxxxx>]

>
>
> Dag Lindbo wrote:
>>> Quoting Dag Lindbo <dag@xxxxxxxx>:
>>>
>>>> Hi all,
>>>>
>>>> Since updating to 0.6.3 I've run into
>>>>
>>>> 1) The install scripts do not seem to set PKG_CONFIG_PATH. I had to do
>>>> export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig/ after installing
>>>> dolfin.
>>>>
>>> Configure now produces a file dolfin.conf. You just need to do
>>>
>>>   source dolfin.conf
>>>
>>> This sets more that just PKG_CONFIG_PATH, so it may help with the below
>>> problems.
>>
>> OK. Sorry for overlooking this.
>>
>>>> 2) Link problems in my solvers. In 0.6.2x the linking was fine. But
>>>> now
>>>> I
>>>> get link errors like
>>>> ClassX.cpp: multiple definition of
>>>> 'dolfin::formX::BilinearForm::interior_contribution() const'
>>>> (...)
>>>>
>>>> I have form-headers that get included all over the place, i.e.
>>>> "Class1.hpp" includes "formX.h"
>>>> "Class2.hpp" includes "formX.h"
>>>> "Class3.hpp" includes "formX.h"
>>>> and
>>>> "main.cpp" includes Class1.hpp, Class2.hpp ...
>>>>
>>>> Why has this become a problem since 0.6.2? I guess the error is on my
>>>> side, though...
>>>>
>>> Could be because of the problem outlined above. Have you recompiled all
>>> your
>>> forms with FFC?
>>
>> No luck. I have recompiled all form with ffc 0.3.4.
>>
>> I'm no C++ boffin, but it seems to me the the linker (g++) is getting
>> confused over the fact there is code in the form headers that has been
>> compiled multiple times (once for each class that uses the particular
>> form)  . Did libtool do a better job at figuring this out? How do I use
>> libtool?
>>
>
> Can you give a stripped down example where it goes wrong?

The attached files are _very_ simple. Just two classes (that do nothing)
and a main (that does nothing). /Dag

>
> Garth
>
>> /Dag
>>
>>> Garth
>>>
>>>> Thanks a lot!
>>>> Dag Lindbo
>>>>
>>>> _______________________________________________
>>>> DOLFIN-dev mailing list
>>>> DOLFIN-dev@xxxxxxxxxx
>>>> http://www.fenics.org/mailman/listinfo/dolfin-dev
>>>>
>>
>>
>
>

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