Hello,

I'm new to Qt, and I've been experimenting with a few things. I'm stuck with adding custom widgets to Qt Designer. I used the example given in Qt 5.3 (D:\Qt\Qt5.3.0\Examples\Qt-5.3\designer\customwidgetplugin), and ran it with release mode. Qt showed the 'find custom executable' dialogbox, which I think is fine (it's plugin anyway). Now, there are a few lines of command like:

Qt Code: 
  1. TARGET = $$qtLibraryTarget($$TARGET)
  2.  
  3. target.path = $$[QT_INSTALL_PLUGINS]/designer
  4. INSTALLS += target
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I can't find the DLL installed in any 'designer' folder on my installation directory. The custom widget doesn't show up on the left side on Designer either, or pops up when I try to promote a blank widget. When I tried to put the resulting DLL into D:\Qt\Qt5.3.0\Tools\QtCreator\bin\plugins\designer , the designer plugins dialogbox shows that the plugin failed because it used an incompatible library ([5.3.0] release).

Is there anything that I missed?