Adding new class in Digikam namespace

[Dhruv Patel]

HI,

i was trying to add a new class named QmlShow in core/utilities/qmlShow. I have added it in core/CMakelists.txt and core/digikam/Cmakelists.txt. But when I try to instantiate it in core/digikam/views/digikamview.cpp, I get following error in make output:

Linking CXX executable digikam
CMakeFiles/digikam.dir/views/digikamview.cpp.o: In function `Digikam::DigikamView::qml(QList<Digikam::ImageInfo>)':
/home/dhruv/digikam-sc/core/digikam/views/digikamview.cpp:1859: undefined reference to `Digikam::QmlShow::QmlShow(QList<Digikam::ImageInfo>)'
collect2: ld returned 1 exit status
make[2]: *** [core/digikam/digikam] Error 1
make[1]: *** [core/digikam/CMakeFiles/digikam.dir/all] Error 2
make: *** [all] Error 2

Is there more to be done when we add new class?

--
Dhruv


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On 2011-06-25, Dhruv Patel <[hidden email]> wrote:

> i was trying to add a new class named QmlShow in core/utilities/qmlShow. I
> have added it in core/CMakelists.txt and core/digikam/Cmakelists.txt. But
> when I try to instantiate it in core/digikam/views/digikamview.cpp, I get
> following error in make output:
>
> Linking CXX executable digikam
> CMakeFiles/digikam.dir/views/digikamview.cpp.o: In function
> `Digikam::DigikamView::qml(QList<Digikam::ImageInfo>)':
> /home/dhruv/digikam-sc/core/digikam/views/digikamview.cpp:1859: undefined
> reference to `Digikam::QmlShow::QmlShow(QList<Digikam::ImageInfo>)'
> collect2: ld returned 1 exit status
> make[2]: *** [core/digikam/digikam] Error 1
> make[1]: *** [core/digikam/CMakeFiles/digikam.dir/all] Error 2
> make: *** [all] Error 2
>
> Is there more to be done when we add new class?

Is the CPP file that contains
Digikam::QmlShow::QmlShow(QList<Digikam::ImageInfo>) compiled during the
build process? If not, you've made a mistake in the cmake configuration.

If it is linked, is the declaration of
Digikam::QmlShow::QmlShow(QList<Digikam::ImageInfo>) identical with the
definition (i.e. are header file and cpp file in-sync)?

Dirk.

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[Gilles Caulier-4]

Do you use export symbol properlly ?

Do you link with right digiKam component ?

Can we see you patch for details ?

What's the QmlShow class do exactly ?

Gilles caulier

Gilles Caulier

2011/6/26 Dirk Tilger <[hidden email]>

On 2011-06-25, Dhruv Patel <[hidden email]> wrote:
> i was trying to add a new class named QmlShow in core/utilities/qmlShow. I
> have added it in core/CMakelists.txt and core/digikam/Cmakelists.txt. But
> when I try to instantiate it in core/digikam/views/digikamview.cpp, I get
> following error in make output:
>
> Linking CXX executable digikam
> CMakeFiles/digikam.dir/views/digikamview.cpp.o: In function
> `Digikam::DigikamView::qml(QList<Digikam::ImageInfo>)':
> /home/dhruv/digikam-sc/core/digikam/views/digikamview.cpp:1859: undefined
> reference to `Digikam::QmlShow::QmlShow(QList<Digikam::ImageInfo>)'
> collect2: ld returned 1 exit status
> make[2]: *** [core/digikam/digikam] Error 1
> make[1]: *** [core/digikam/CMakeFiles/digikam.dir/all] Error 2
> make: *** [all] Error 2
>
> Is there more to be done when we add new class?

Is the CPP file that contains
Digikam::QmlShow::QmlShow(QList<Digikam::ImageInfo>) compiled during the
build process? If not, you've made a mistake in the cmake configuration.

If it is linked, is the declaration of
Digikam::QmlShow::QmlShow(QList<Digikam::ImageInfo>) identical with the
definition (i.e. are header file and cpp file in-sync)?

Dirk.

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