[CMake] dependency of dependency

[Mathieu Malaterre]

On Wed, Nov 26, 2008 at 12:06 PM, Hugo Heden <hugoheden at gmail.com> wrote:
> 2008/11/26 Mathieu Malaterre <mathieu.malaterre at gmail.com>:
>> Hi there,
>
> Hi there!
>
>>
>>  I remember there is now a new behavior in cmake where you can
>> specify not to pull a dependency of dependency. For instance my
>> project is linking to vtk which itself is linking to libtiff. If I do
>> not have libtiff.so (the symlink), I get error.
>>
>>
>> make[3]: *** No rule to make target `/usr/lib/libtiff.so', needed by
>> `bin/libvtkgdcm.so.2.0.9'.  Stop.
>> make[3]: Leaving directory `/tmp/buildd/gdcm-2.0.9/debian/build-python2.4'
>>
>>
>>  From gdcm I am not explicitely linking to libtiff, simlpy to
>> libvtkIO. How can I avoid this behavior (all my libs are shared libs)
>> ?
>
> Perhaps by setting property LINK_INTERFACE_LIBRARIES to ""? Example follows.
>
> /Hugo Heden
>
>
> TARGET_LINK_LIBRARIES( mylib otherlib )
>
> # http://www.vtk.org/Bug/view.php?id=3490 ..When other executables and
> # shared libraries link to libmylib.so, they should not necessarily
> # link to the stuff that libmylib.so linked to, just because
> # libmylib.so linked to them. (That is otherwise the default in
> # CMake). So we have to do this:
> SET_PROPERTY( TARGET mylib PROPERTY LINK_INTERFACE_LIBRARIES "" )
>
>

I think that's what I was looking for ... except this is the opposite
behavior. I would need to patch VTK itself to get the right behavior.

I'll check with the debian packager to see if we can come up with a solution.

thanks !
-- 
Mathieu