Hi, I am new with qt programming using mingw.
I have compiled Qt 4.7.4 statically with gcc(mingw) version 4.4.0 at windows vista 32 bits, following the instructions in this page: http://developer.qt.nokia.com/wiki/How_to_build_a_static_Qt_version_for_Windows_with_gcc I can build static libraries and qt applications without any problem, but when I try to build a shared library(dll) that uses qt, I get several "undefined reference" linking errors in qt functions form QString, QDialog, etc... Even the most simple dll, using for example only QString, or a "Hello world" with QMessageBox, I can not link suscessfully. Have I forgot an important configuration variable in the project file? I use qmake to create all my makefiles. The pro files I created till now build shared libraries in gcc linux without any problem, but not in gcc windows(mingw). Do I need to define a special qmake variable in the pro file to build suscessfully a qt dll in gcc at windows? Thanks in advance, Erick
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