From owner-freebsd-questions  Thu Oct 12 11:15:55 2000
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Date: Thu, 12 Oct 2000 13:14:59 -0500
From: nathan <beemern@telecom.ksu.edu>
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Subject: c++/qt lib compile error
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I know this isn't fbsd specific but...

i'm tryin to follow a qt tutorial to get started with the qt libraries.
when tryin to compile 'hello world' :
--snip--
#include <qapplication.h>
#include <qpushbutton.h>

int main( int argc, char **argv )
{
    QApplication a( argc, argv );

    QPushButton hello( "Hello world!", 0 );
    hello.resize( 100, 30 );

    a.setMainWidget( &hello );
    hello.show();
    return a.exec();
}
--snip--

i get this:

--snip--
[nathan@sabre src]$ g++ -I/usr/local/qt/include hello_qt.cc
/tmp/ccJ85228.o: In function `main':
/tmp/ccJ85228.o(.text+0x28): undefined reference to
`QApplication::QApplication(int &, char **)'
/tmp/ccJ85228.o(.text+0x3f): undefined reference to
`QApplication::~QApplication(void)'
/tmp/ccJ85228.o(.text+0x5e): undefined reference to
`QString::QString(char const *)'
/tmp/ccJ85228.o(.text+0xa8): undefined reference to
`QPushButton::QPushButton(QString const &, QWidget *, char const *)'
/tmp/ccJ85228.o(.text+0xe7): undefined reference to
`QPushButton::~QPushButton(void)'
/tmp/ccJ85228.o(.text+0x10e): undefined reference to
`QPushButton::resize(int, int)'
/tmp/ccJ85228.o(.text+0x124): undefined reference to
`QApplication::setMainWidget(QWidget *)'
/tmp/ccJ85228.o(.text+0x136): undefined reference to
`QWidget::show(void)'
/tmp/ccJ85228.o(.text+0x145): undefined reference to
`QApplication::exec(void)'
/tmp/ccJ85228.o(.text+0x169): undefined reference to
`QPushButton::~QPushButton(void)'
/tmp/ccJ85228.o(.text+0x188): undefined reference to
`QApplication::~QApplication(void)'
/tmp/ccJ85228.o: In function `QString::~QString(void)':
/tmp/ccJ85228.o(.gnu.linkonce.t._$_7QString+0x29): undefined reference
to `QStringData::deleteSelf(void)'
[nathan@sabre src]$
--snip--

i've looked in my -I arg dir and it DOES contain the .h files in the
source.

what gives?



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