[Development] Cross-compile on ubuntu for Windows fails

[Stephen Kelly]

Hi,

Attempting to cross compile the stable branch with mingw on ubuntu fails for 
me currently:

i686-w64-mingw32-g++ -c -pipe -fno-keep-inline-dllexport -O2 -std=c++0x -fno-
exceptions -frtti -Wall -Wextra -DUNICODE -DQT_NO_LIBUDEV -DQT_NO_EVDEV -
DQT_NO_XCB -DQT_NO_EXCEPTIONS -DQT_NO_DEBUG -DQT_PLUGIN -
DQT_PLATFORMSUPPORT_LIB -DQT_GUI_LIB -DQT_CORE_LIB -
I/home/stephen/dev/src/qtbase-mingw/src/plugins/platforms/offscreen -
I'../../../../include' -I'../../../../include/QtPlatformSupport' -
I'../../../../include/QtPlatformSupport/5.1.0' -
I'../../../../include/QtPlatformSupport/5.1.0/QtPlatformSupport' -
I'../../../../include/QtGui' -I'../../../../include/QtGui/5.1.0' -
I'../../../../include/QtGui/5.1.0/QtGui' -I'../../../../include/QtCore' -
I'../../../../include/QtCore/5.1.0' -
I'../../../../include/QtCore/5.1.0/QtCore' -I'.moc/release-shared' -I'.' -
I'/home/stephen/dev/src/qtbase-mingw/mkspecs/win32-g++' -o .obj/release-
shared/qoffscreenintegration.o /home/stephen/dev/src/qtbase-
mingw/src/plugins/platforms/offscreen/qoffscreenintegration.cpp
make[2]: Entering directory `/home/stephen/dev/build/qtbase/qtbase-
mingw/src/plugins/platforms/windows'
make[2]: Nothing to be done for `first'.
make[2]: Leaving directory `/home/stephen/dev/build/qtbase/qtbase-
mingw/src/plugins/platforms/windows'
make[1]: Leaving directory `/home/stephen/dev/build/qtbase/qtbase-
mingw/src/plugins/platforms/windows'
i686-w64-mingw32-g++ -Wl,-s -shared -Wl,--out-
implib,/home/stephen/dev/build/qtbase/qtbase-
mingw/plugins/platforms/libqoffscreen.a -o 
../../../../plugins/platforms/qoffscreen.dll .obj/release-shared/main.o 
.obj/release-shared/qoffscreenintegration.o .obj/release-
shared/qoffscreenwindow.o .obj/release-shared/qoffscreencommon.o .obj/release-
shared/qoffscreenintegration_dummy.o  -L/home/stephen/dev/build/qtbase/qtbase-
mingw/lib -lQt5PlatformSupport -lglu32 -lopengl32 -lgdi32 -luser32 -lQt5Gui -
lQt5Core 
.obj/release-shared/qoffscreenintegration.o:qoffscreenintegration.cpp:
(.text+0x19f): undefined reference to `vtable for QBasicFontDatabase'
collect2: ld returned 1 exit status
make[2]: *** [../../../../plugins/platforms/qoffscreen.dll] Error 1
make[2]: Leaving directory `/home/stephen/dev/build/qtbase/qtbase-
mingw/src/plugins/platforms/offscreen'


The QBasicFontDatabase does not seem to be compiled. In 
src/platformsupport/fontdatabases/fontdatabases.pri, the conditional branch is 
not entered to include basic.pri. Despite this, Q_OS_WIN is defined when 
compiling. 

Is this situation fixable?

Thanks,

-- 
Stephen Kelly <stephen.kelly at kdab.com> | Software Engineer
KDAB (Deutschland) GmbH & Co.KG, a KDAB Group Company
www.kdab.com || Germany +49-30-521325470 || Sweden (HQ) +46-563-540090
KDAB - Qt Experts - Platform-Independent Software Solutions
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