[QGIS-Developer] How to build qgis on Windows 10

[Johannes Kröger (WhereGroup)]

QwtPlotCurve sounds like you are missing QWT? This is documented in the 
up-to-date documentation at 
https://github.com/qgis/QGIS/blob/master/INSTALL.md#2-overview and has 
been written in that document for at least two years.

Am 21.12.22 um 16:04 schrieb Deimer Caldera via QGIS-Developer:
> I have tried to build qgis from source with this document 
> https://github.com/qgis/QGIS/blob/ltr-3_22/INSTALL.md but I got many 
> errors. Recently I found this guide
> https://www.mail-archive.com/qgis-developer@lists.osgeo.org/msg52306.html but 
> the build gives me some errors (error LNK2019: unresolved external 
> symbol).
>
> ..\qgis-3.22.13\out\build\x64-Release\qgsrasterhistogramwidget.cpp.obj 
> : error LNK2019: unresolved external symbol "__declspec(dllimport) 
> public: void __cdecl QwtPlotCurve::setSamples(class QVector<class 
> QPointF> const &)" 
> (__imp_?setSamples at QwtPlotCurve@@QEAAXAEBV?$QVector at VQPointF@@@@@Z) 
> referenced in function "public: void __cdecl 
> QgsRasterHistogramWidget::refreshHistogram(void)" 
> (?refreshHistogram at QgsRasterHistogramWidget@@QEAAXXZ)
>
> ..\qgis-3.22.13\out\build\x64-Release\qgscurveeditorwidget.cpp.obj : 
> error LNK2001: unresolved external symbol "__declspec(dllimport) 
> public: void __cdecl QwtPlotCurve::setSamples(class QVector<class 
> QPointF> const &)" 
> (__imp_?setSamples at QwtPlotCurve@@QEAAXAEBV?$QVector at VQPointF@@@@@Z)
>
> ..\qgis-3.22.13\out\build\x64-Release\qgsgradientcolorrampdialog.cpp.obj 
> : error LNK2001: unresolved external symbol "__declspec(dllimport) 
> public: void __cdecl QwtPlotCurve::setSamples(class QVector<class 
> QPointF> const &)" 
> (__imp_?setSamples at QwtPlotCurve@@QEAAXAEBV?$QVector at VQPointF@@@@@Z)
>
> ..\qgis-3.22.13\out\build\x64-Release\qgsrasterhistogramwidget.cpp.obj 
> : error LNK2019: unresolved external symbol "__declspec(dllimport) 
> public: void __cdecl QwtPlotHistogram::setSamples(class QVector<class 
> QwtIntervalSample> const &)" 
> (__imp_?setSamples at QwtPlotHistogram@@QEAAXAEBV?$QVector at VQwtIntervalSample@@@@@Z) 
> referenced in function "public: void __cdecl 
> QgsRasterHistogramWidget::refreshHistogram(void)" 
> (?refreshHistogram at QgsRasterHistogramWidget@@QEAAXXZ)
>
> ..\qgis-3.22.13\out\build\x64-Release\qgscurveeditorwidget.cpp.obj : 
> error LNK2001: unresolved external symbol "__declspec(dllimport) 
> public: void __cdecl QwtPlotHistogram::setSamples(class QVector<class 
> QwtIntervalSample> const &)" 
> (__imp_?setSamples at QwtPlotHistogram@@QEAAXAEBV?$QVector at VQwtIntervalSample@@@@@Z)
>
> ..\qgis-3.22.13\out\build\x64-Release\qgshistogramwidget.cpp.obj : 
> error LNK2001: unresolved external symbol "__declspec(dllimport) 
> public: void __cdecl QwtPlotHistogram::setSamples(class QVector<class 
> QwtIntervalSample> const &)" 
> (__imp_?setSamples at QwtPlotHistogram@@QEAAXAEBV?$QVector at VQwtIntervalSample@@@@@Z)
>
> ..\qgis-3.22.13\out\build\x64-Release\output\bin\qgis_gui.dll : fatal 
> error LNK1120: 2 unresolved externals
>
> Am I missing a package to install?
> Is there any updated documentation to make the build successful?
>
> Thank you so much for your attention.
>
>
>
>
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-- 
Johannes Kröger / GIS-Entwickler/-Berater

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