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" );`
^
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.
At about 95% `make -j3` terminated before `qgis` executable built.
Gordon
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