Hi,
I traced this error to the use of qobject_cast in lines like:
QgsVectorLayer* vlayer = qobject_cast<QgsVectorLayer *>(
mCanvas->currentLayer() );
If I change those lines to use dynamic_cast the linker error disappear
in Windows.
Any idea why?
Many thanks,
Carlos.
On 08/10/2012 05:42 PM, SupportLists wrote:
Hi,
I am building a custom application use QGIS 1.8.0 but I get the
following error:
/ link /LIBPATH:"c:\Qt\4.8.1\lib" /NOLOGO /DYNAMICBASE
/NXCOMPAT /DEBUG /M
ANIFEST /MANIFESTFILE:"debug\nile.intermediate.manifest"
/SUBSYSTEM:WINDOWS "/MA
NIFESTDEPENDENCY:type='win32' name='Microsoft.Windows.Common-Controls'
version='
6.0.0.0' publicKeyToken='6595b64144ccf1df' language='*'
processorArchitecture='*
'" /OUT:debug\nile.exe @C:\DOCUME~1\CARLOS~1\LOCALS~1\Temp\nmF.tmp
mapwidget.obj : error LNK2001: unresolved external symbol "public:
static struct
QMetaObject const QgsVectorLayer::staticMetaObject"
(?staticMetaObject@QgsVecto
rLayer@@2UQMetaObject@@B)
maptoolselect.obj : error LNK2001: unresolved external symbol "public:
static st
ruct QMetaObject const QgsVectorLayer::staticMetaObject"
(?staticMetaObject@QgsV
ectorLayer@@2UQMetaObject@@B)
mapwidget.obj : error LNK2001: unresolved external symbol "public:
static struct
QMetaObject const QgsRasterLayer::staticMetaObject"
(?staticMetaObject@QgsRaste
rLayer@@2UQMetaObject@@B)
debug\nile.exe : fatal error LNK1120: 2 unresolved externals
NMAKE : fatal error U1077: '"C:\Program Files\Microsoft Visual Studio
10.0\VC\BI
N\link.EXE"' : return code '0x460'
Stop.
NMAKE : fatal error U1077: '"C:\Program Files\Microsoft Visual Studio
10.0\VC\BI
N\nmake.exe"' : return code '0x2'
Stop./
My .pro file is defined as:
/QT += core gui sql xml
TARGET = nile
TEMPLATE = app
unix:INCLUDEPATH += /usr/local/gis/include/qgis /usr/local/gis/include
./mapviewsrc
win32:INCLUDEPATH += C:/QGIS/apps/qgis/include C:/QGIS/include
./mapviewsrc
unix:LIBS += -L/usr/local/gis/lib -lgdal -lgeos -lqgis_core -lqgis_gui
win32:LIBS += C:/QGIS/apps/qgis/lib/qgis_core.lib
C:/QGIS/apps/qgis/lib/qgis_gui.lib C:/QGIS/lib/geos_c_i.lib
C:/QGIS/lib/gdal_i.lib
DEFINES += QGISPLUGINDIR=$${QGISPLUGINDIR} CORE_EXPORT= GUI_EXPORT=/
I am using QT 4.8.1 and Visual Studio 2010.
Any idea what is causing the error and how to correct it?
Many thanks in advance,
Carlos
_______________________________________________
Qgis-developer mailing list
[email protected]
http://lists.osgeo.org/mailman/listinfo/qgis-developer
_______________________________________________
Qgis-developer mailing list
[email protected]
http://lists.osgeo.org/mailman/listinfo/qgis-developer
