[Marble-devel] Plugin creattion for Marble

[Dennis Nienhüser]

Hi Christophe,

plugins must be compiled as part of the marble application. Calling 
cmake from a subdirectory of marble does not work because things like 
the "marble_add_plugin" macro are defined in the CMakeLists.txt file in 
the marble root directory. When adding a plugin in, say, the render 
directory, make sure to modify render/CMakeLists.txt as well to include 
the new plugin. For example, when adding newPlugin in render/newPlugin/, 
edit render/CMakeLists.txt to contain a line

add_subdirectory( newPlugin )

Hth,
Dennis

On 01.07.2010 16:34, Christophe Leske wrote:
> Hi,
>
> has anyone on this list more information for me for how to compile 
> Marble plugins?
>
> I am aware of the test plugin provided in the source code by Torsten 
> Rahn, yet I am more struggling with the compiling and debugging part.
>
> How isone supposed to compile a self-made plugin?
>
> Using the normal approach as for compiling the whole marble app does 
> not seem to work. I also see that there is a twitter plugin in the 
> source, yet it does not get build.
>
> If I try to build it, I get two errors:
>
>     I:\SVN_Transfer\Marble\src\plugins\render\twitter>cmake -G "NMake Makefiles" -DQ
>
>     TONLY=ON -DCMAKE_BUILD_TYPE=Release
>
>     CMake Error at CMakeLists.txt:8 (INCLUDE):
>
>        include called with wrong number of arguments.  Include only takes one
>
>        file.
>
>        
>
>     CMake Error at CMakeLists.txt:12 (marble_add_plugin):
>
>        Unknown CMake command "marble_add_plugin".
>
>        
>
>     CMake Warning (dev) in CMakeLists.txt:
>
>        No cmake_minimum_required command is present.  A line of code such as
>
>          cmake_minimum_required(VERSION 2.8)
>
>        should be added at the top of the file.  The version specified may be lower
>
>        if you wish to support older CMake versions for this project.  For more
>
>        information run "cmake --help-policy CMP0000".
>
>     This warning is for project developers.  Use -Wno-dev to suppress it.
>
>     -- Configuring incomplete, errors occurred!
>
>     I:\SVN_Transfer\Marble\src\plugins\render\twitter>
>
>
> Anyone?
> I would like to be able to compile plugins on an individual basis, as 
> well as being able to debug them, if possible.
> Best would be the use of QtCreator/MingW instead of MSVC in this case, 
> as it pertains to a project I would like to modify.
>
>
> TIA,
> Christophe Leske
> multimedial.de
>
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