Re: problems trying to compile qt example from tutorial

[Scott Ellis <storm@gate.net>]

You're missing -lqt so that the library actually gets linked.

On Fri, 13 Feb 1998, Luiz Otavio L. Zorzella wrote:

> I installed qt1g-dev (and qt1g) in my system, but when I try to compile
> the first example from the tutorial, I get the message:
> 
> g++     hello.C   -o hello
> hello.C:9: qapp.h: No such file or directory
> hello.C:10: qpushbt.h: No such file or directory
> make: *** [hello] Error 1
> 
> Wasn't the installation supposed to set the include paths for me, or I
> really have to do it by hand?
> 
> Well, after I tryed to include by hand, I found that the libg++272-dev
> was not installed. Should not the libqtg1-dev depend on it?
> 
> Anyway, I installed libg++272-dev, and now I get these messages, with
> the -I to include qt by hand. What am I missing?
> 
> $ g++ -I/usr/X11R6/include/qt hello.C -o hello
> /tmp/cca045561.o: In function `main':
> /tmp/cca045561.o(.text+0x17): undefined reference to `QApplication::QApplication(int &, char **)'
> /tmp/cca045561.o(.text+0x2f): undefined reference to `QPushButton::QPushButton(char const *, QWidget *, char const *)'
> /tmp/cca045561.o(.text+0x42): undefined reference to `QPushButton::resize(int, int)'
> /tmp/cca045561.o(.text+0x55): undefined reference to `QApplication::setMainWidget(QWidget *)'
> /tmp/cca045561.o(.text+0x64): undefined reference to `QWidget::show(void)'
> /tmp/cca045561.o(.text+0x70): undefined reference to `QApplication::exec(void)'
> /tmp/cca045561.o(.text+0x91): undefined reference to `QApplication::~QApplication(void)'
> /tmp/cca045561.o: In function `QPushButton::~QPushButton(void)':
> /tmp/cca045561.o(.text+0xce): undefined reference to `QPushButton::QPaintDevice virtual table'
> /tmp/cca045561.o(.text+0xd5): undefined reference to `QPushButton virtual table'
> /tmp/cca045561.o(.text+0xdc): undefined reference to `QButton::~QButton(void)'
> /tmp/cca045561.o: In function `QArrayT<char>::detach(void)':
> /tmp/cca045561.o(.text+0x129): undefined reference to `QGArray::detach(void)'
> /tmp/cca045561.o: In function `QArrayT<char>::~QArrayT(void)':
> /tmp/cca045561.o(.text+0x155): undefined reference to `QGArray::~QGArray(void)'
> /tmp/cca045561.o(.rodata+0x2c): undefined reference to `QGArray::newData(void)'
> /tmp/cca045561.o(.rodata+0x34): undefined reference to `QGArray::deleteData(QGArray::array_data *)'
> /tmp/cca045561.o(.rodata+0x54): undefined reference to `QGArray::newData(void)'
> /tmp/cca045561.o(.rodata+0x5c): undefined reference to `QGArray::deleteData(QGArray::array_data *)'
> $ 

-- 
Scott K. Ellis <storm@gate.net>                 http://www.gate.net/~storm/


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