> On Nov 11, 2020, at 6:03 AM, Egbert de Pauw via subsurface
> <[email protected]> wrote:
>
> I am building subsurface from source, and when I run subsurface it
> complains that it cannot find the googlemaps plugin.
>
> I've build subsurface from source checked out the release tag v4.9.8
>
> It did build and run correctly yesterday, before v4.9.8 was released.
>
> System : Ubuntu 20.10 x86_64
> Installed Qt versions 5.14.2 and 5.15.1
Yeah, that's almost always a challenge. Because you may have parts of your app
build against one, part against the other.
And especially the googlemaps plugin is very sensitive to which version it is
built against as it uses "private" headers.
> commands I've used :
>
> cd ./subsurface
> git fetch --all --tags --prune
> git checkout tags/v4.9.8
> git clean -xdf
> cd ..
> rm -rf ./install-root
> rm -rf ./googlemaps
> rm -rf ./build.log
> ./subsurface/scripts/build.sh
>
> After the build, the libqtgeoservices_googlemaps.so has been built.
>
> The message that's logged is:
>
> MapWidget.qml: cannot find a plugin named: googlemaps
> 1 , "The geoservices provider is not supported."
> qrc:/qml/MapWidget.qml:24: Error: Cannot assign [undefined] to
> QDeclarativeGeoMapType*
Run Subsurface like this
QT_DEBUG_PLUGINS=1 subsurface/build/subsurface
Look at the output as to where Subsurface is looking for the plugin.
Also, use
ldd subsurface/build/subsurface
ldd googlemaps/build/libqtgeoservices_googlemaps.so
to make sure they are built against the same version of Qt.
> So is there something broken in this tag or am I doing something wrong?
It's likely the fact that you have 2 Qt versions installed
> (On my windows machine the v4.9.8 version is working, except the TAG
> filtering as mentioned before)
Subsurface seems to be mostly working on all the platform, as far as I can
tell. I'm still trying to track down why the tag filtering crashes, sadly
debugging on Windows is not my favorite past time.
/D
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