[Qgis-developer] Building QGIS2.99 cloned from GitHub on Ubuntu 16.10 (yakkety) 64-bit Python

[Nyall Dawson]

On 8 February 2017 at 13:49,  <gordon at shieldaig.com> wrote:
> Due to previous error, mentioned in a early post, I installed `geos 3.6.1`
> and because build still failed, I place header file `geos_c.h` in
> src/core/geometry folder and replace `<geos_c.h>` with `"geos_c.h"` in
> `qgsgeometry.h`.  This may not have been necessary but I wanted to make it
> clear which header I expected to be used.
>
> At about 16% output from build shows:
> `/home/gordon/dev/cpp/QGIS/src/core/qgsvectorfilewriter.cpp: In member
> function ‘void QgsVectorFileWriter::init(QString, QString, const QgsFields&,
> QgsWkbTypes::Type, QgsCoordinateReferenceSystem, const QString&,
> QStringList, QStringList, QString*,
> QgsVectorFileWriter::FieldValueConverter*, const QString&,
> QgsVectorFileWriter::ActionOnExistingFile)’:
> /home/gordon/dev/cpp/QGIS/src/core/qgsvectorfilewriter.cpp:327:55: warning:
> suggest braces around empty body in an ‘else’ statement [-Wempty-body]
>      QgsDebugMsg( "Opened data source in update mode" );`

Thanks! Fixed in
https://github.com/qgis/QGIS/commit/2f68d1a7c3f4c7e2137dc20458556facf199d79f

                                                        ^
> At about 90% output from build shows:
> `Traceback (most recent call last):
>   File "../../../../scripts/pyuic-wrapper.py", line 26, in <module>
>     import qgis.PyQt.uic.pyuic
>   File "/home/gordon/dev/cpp/QGIS/build/output/python/qgis/__init__.py",
> line 28, in <module>
>     from qgis.core import QgsFeature, QgsGeometry
>   File
> "/home/gordon/dev/cpp/QGIS/build/output/python/qgis/core/__init__.py", line
> 34, in <module>
>     from qgis._core import *
> ImportError: /usr/lib/x86_64-linux-gnu/libQt5Network.so.5: symbol
> _Z15qIsEffectiveTLDRK7QString, version Qt_5 not defined in file
> libQt5Core.so.5 with link time reference
> python/plugins/db_manager/CMakeFiles/zzz-db_manager-15-depend.dir/build.make:72:
> recipe for target 'python/plugins/db_manager/ui_DlgAddGeometryColumn.py'
> failed
> make[2]: *** [python/plugins/db_manager/ui_DlgAddGeometryColumn.py] Error 1
> CMakeFiles/Makefile2:4925: recipe for target
> 'python/plugins/db_manager/CMakeFiles/zzz-db_manager-15-depend.dir/all'
> failed
> make[1]: ***
> [python/plugins/db_manager/CMakeFiles/zzz-db_manager-15-depend.dir/all]
> Error 2
> make[1]: *** Waiting for unfinished jobs....`
>
> Anyone know how to fix this issue?  I used Python3.

Not sure on this one - did you clean your build folder after resolving
the dependency issues?

Nyall


>
> At about 95% `make -j3` terminated before `qgis` executable built.
>
> Gordon
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