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Asked: 2026-06-12T02:39:03+00:00

i download qt and eclipse with c++ cdt , i see that qt come

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i download qt and eclipse with c++ cdt , i see that qt come with qt ide (qt creator) , to develop qt appliation and that fine , but i want to do this wit eclipse , i mean use c++ code with qt inside eclipse . is there any ? because i am trying to use qt to design my user interface only and using other code from other libraries to do other things .

i try to include header files (usr/include/qt4) , but i still have a problem when i compile the program such us ( can’t find qgui.h ) any help the integrate qt with eclipse like netbeans .

edit :

here is my output 

13:48:48 **** Incremental Build of configuration Debug for project test ****
Info: Internal Builder is used for build
g++ -o test src/test.o -lQtCore 
src/test.o: In function `main':
/media/sda2/workspaceeclipse/test/Debug/../src/test.cpp:6: undefined reference to `QApplication::QApplication(int&, char**, int)'
/media/sda2/workspaceeclipse/test/Debug/../src/test.cpp:8: undefined reference to `QPushButton::QPushButton(QString const&, QWidget*)'
/media/sda2/workspaceeclipse/test/Debug/../src/test.cpp:12: undefined reference to `QApplication::exec()'
/media/sda2/workspaceeclipse/test/Debug/../src/test.cpp:12: undefined reference to `QPushButton::~QPushButton()'
/media/sda2/workspaceeclipse/test/Debug/../src/test.cpp:12: undefined reference to `QApplication::~QApplication()'
/media/sda2/workspaceeclipse/test/Debug/../src/test.cpp:8: undefined reference to `QPushButton::~QPushButton()'
/media/sda2/workspaceeclipse/test/Debug/../src/test.cpp:12: undefined reference to `QPushButton::~QPushButton()'
/media/sda2/workspaceeclipse/test/Debug/../src/test.cpp:12: undefined reference to `QApplication::~QApplication()'
src/test.o: In function `QWidget::resize(int, int)':
/usr/include/qt4/QtGui/qwidget.h:996: undefined reference to `QWidget::resize(QSize const&)'
collect2: error: ld returned 1 exit status

13:48:49 Build Finished (took 1s.609ms)
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1 Answer

  1. Editorial Team

    I had to adjust the following settings in “Project Properties => C/C++ General => Paths and Symbols”:

    On the “Includes” tab, for the GNU C++ language, add the following include paths:

    • /usr/include/qt4
    • /usr/include/qt4/QtCore
    • /usr/include/qt4/QtGui

    On the “Symbols” tab, for the GNU C++ language, define the following symbols with a value of “1” (might be different for you, but at least the QT_CC_GNU, QT_CORE_LIB and QT_GUI_LIB are necessary):

    • QT_CC_GNU
    • QT_CORE_LIB
    • QT_GUI_LIB
    • QT_NO_DEBUG
    • QT_SHARED
    • QT_TESTLIB_LIB
    • QT_WEBKIT

    With these settings, the source indexer works well. Other than that, Eclipse is simply calling “make” for the build.

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