Thanks everybody for the followup! I'm answering this mail but I'll integrate comments about the others too.
On Thu, Nov 15, 2018 at 8:26 AM Alessandro Pasotti <apaso...@gmail.com> wrote: > Hi Andrea, > > I've never seen that particular error, I'd look into cmake installation > and/or version. > See below > The vast majority of QGIS C++ developers uses Qt Creator on a daily basis > on different platforms, what work for me here is: > > Ubuntu xenial > > QtCreator: 4.7.2 installed from https://www.qt.io/download > cmake version 3.10.2 self-built from sources > Qt 10.0.1 self-built from sources > > Notice that none of the above was installed with apt, the main reason is > that xenial is a little bit old, but IIRC that was also to avoid some > problems in the integration of the different components. > I see... on my machine I have everything installed from apt instead, versions are: - QT Creator 4.5.2 - cmake 3.10.2 - QT is 5.9.5 (you have QT 10 instead??) In other comments I've been invited to build from sources using cmake, which I did, worked, but then trying to start qgis as built results in this: aaime@colossus ~/devel/qgis/build-master (master) $ export LD_LIBRARY_PATH=/home/aaime/apps/lib aaime@colossus ~/devel/qgis/build-master (master) $ /home/aaime/apps/bin/qgis src/app/main.cpp: 469: (main) [0ms] Starting qgis main src/core/qgsmessagelog.cpp: 29: (logMessage) [0ms] 2018-11-15T10:04:25 QGIS[1] Successfully loaded globalsettingsfile path: /home/aaime/apps/share/qgis/resources/qgis_global_settings.ini src/core/qgsapplication.cpp: 158: (QgsApplication) [50ms] loading of qt translation failed /usr/share/qt5/translations/qt_it_IT src/app/qgsversionmigration.cpp: 92: (requiresMigration) [1ms] File version is=2 src/app/qgscustomization.cpp: 945: (loadDefault) [4ms] Status path = /Customization/status src/app/qgscustomization.cpp: 946: (loadDefault) [0ms] status = 0 src/app/qgscustomization.cpp: 954: (loadDefault) [0ms] Default customization not found in /home/aaime/apps/share/qgis/resources/customization.ini src/core/qgsfontutils.cpp: 277: (loadStandardTestFonts) [13ms] Test font 'QGIS Vera Sans' (Bold) loaded from testdata.qrc src/core/qgsfontutils.cpp: 277: (loadStandardTestFonts) [7ms] Test font 'QGIS Vera Sans' (Roman) loaded from testdata.qrc src/core/qgsapplication.cpp: 1706: (setMaxThreads) [71ms] maxThreads: -1 src/core/qgsapplication.cpp: 1722: (setMaxThreads) [0ms] set QThreadPool max thread count to 16 src/core/qgsruntimeprofiler.cpp: 54: (end) [1ms] PROFILE: User profile manager - 0 src/core/qgsruntimeprofiler.cpp: 54: (end) [46ms] PROFILE: qgisapp/startup/Setting up UI - 0.046 src/core/qgsruntimeprofiler.cpp: 54: (end) [22ms] PROFILE: qgisapp/startup/Checking database - 0.022 src/core/qgsruntimeprofiler.cpp: 54: (end) [0ms] PROFILE: qgisapp/startup/Creating theme folder - 0 src/core/qgsproviderregistry.cpp: 105: (init) [2ms] Checking /home/aaime/apps/lib/qgis/plugins for provider plugins src/core/qgsproviderregistry.cpp: 158: (init) [7ms] Checking /home/aaime/apps/lib/qgis/plugins/libbasicauthmethod.so: ...invalid (no isProvider method) src/core/qgsproviderregistry.cpp: 150: (init) [2ms] Checking /home/aaime/apps/lib/qgis/plugins/libcoordinatecaptureplugin.so: ...invalid (has type method) QGIS died on signal 11Could not attach to process. If your uid matches the uid of the target process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try again as the root user. For more details, see /etc/sysctl.d/10-ptrace.conf ptrace: Operazione non permessa. No thread selected No stack. gdb returned 0 Annullato I'm starting to think I'd be better of using a virtual machine where one can do any custom setup required. Someone was hinting at a video showing how to do that, using a vagrant setup. Is the same also documented anywhere, like, in text form? Cheers Andrea == GeoServer Professional Services from the experts! Visit http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf Technical Lead GeoSolutions S.A.S. 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