[Qgis-developer] Build failure following qt creator setup instructions

[Andrea Aime]

Hi,
I'm trying to setup qgis source code in QT creator on a freshly installed
Linux Mint 18 (released a few days ago).
The instructions seem to mostly work, except once building I get into this
error:

Generating pyqgis api file
[ 82%] Built target qsci-api
[ 82%] Built target pyfuture
[ 82%] Built target zzz-GdalTools-3-depend
[ 82%] Built target zzz-GdalTools-1-depend
[ 82%] Built target pyqtcompat
[ 82%] Built target pygui
[ 82%] Built target pycore
[ 82%] Generating ui_widgetSieve.py
Traceback (most recent call last):
  File "/home/aaime/devel/qgis/scripts/pyuic-wrapper.py", line 26, in
<module>
    import qgis.PyQt.uic.pyuic
ImportError: No module named PyQt.uic.pyuic
python/plugins/GdalTools/tools/CMakeFiles/zzz-GdalTools-2-depend.dir/build.make:117:
recipe for target 'python/plugins/GdalTools/tools/ui_widgetSieve.py' failed
CMakeFiles/Makefile2:5637: recipe for target
'python/plugins/GdalTools/tools/CMakeFiles/zzz-GdalTools-2-depend.dir/all'
failed
Makefile:160: recipe for target 'all' failed
make[2]: *** [python/plugins/GdalTools/tools/ui_widgetSieve.py] Error 1
make[1]: ***
[python/plugins/GdalTools/tools/CMakeFiles/zzz-GdalTools-2-depend.dir/all]
Error 2
make: *** [all] Error 2
13:54:45: The process "/usr/bin/make" exited with code 2.
Error while building/deploying project qgis2.15.0 (kit: Desktop)
When executing step "Make"
13:54:45: Elapsed time: 00:15.

I've installed the required dependencies following instructions in this
line of the INSTALL guide:

https://github.com/qgis/QGIS/blob/master/INSTALL#L190

and I've verified that pyuci4 and associated libraries are installed, e..g:

> sudo apt-get install pyqt4-dev-tools  pyqt4.qsci-dev
Lettura elenco dei pacchetti... Fatto
Generazione albero delle dipendenze
Lettura informazioni sullo stato... Fatto
pyqt4-dev-tools is already the newest version (4.11.4+dfsg-1build4).
pyqt4.qsci-dev is already the newest version (2.9.1+dfsg-4build1).
0 aggiornati, 0 installati, 0 da rimuovere e 14 non aggiornati.

Any clue as to why the build is failing?

I've also tried following the Ubuntu instructions inj
https://github.com/qgis/QGIS/blob/master/INSTALL,
in that case ccmake fails to find qwtpolar, which does not seem to be a
package included in Mint 18
(I've found libqwt5-qt4 and installed it, but it did not help)... does one
has to hand build this package
in order to build qgis?

Cheers
Andrea


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