Development with QT 4.3 under Ubuntu 7.10 x86

[James Takac]

Hi Ioannis

On Friday 29 August 2008 00:26:03 Ioannis Vranos wrote:
> OS: Ubuntu 7.10 x86.
>
>
> Hi, I am trying to learn QT 4.3 development, and although I have
> installed the corresponding QT packages, the C++ QT 4.3 specific source
> code does not compile under Anjuta and of course the command line.
>
> No QT3 packages are installed, and all QT4 packages have been reinstalled.
>
>
> I have also tried adding in .profile the lines
>
> PATH=/usr/share/qt4/bin:$PATH
> export PATH
>
> and it didn't help.
>
>
>
> Any ideas?
>
>
> The QT4 hello world program I am trying to compile:
>
>
> #include <QApplication>
> #include <QLabel>
>
> int main(int argc, char **argv)
> {
> 	QApplication app(argc, argv);
>
> 	QLabel *label= new QLabel("Hello QT!");
>
> 	label->show();
>
> 	return app.exec();
> }
>
>
>
> john at john-desktop:~/Projects/foobar-cpp/src$ g++ main.cc -o main
> main.cc:1:24: error: QApplication: No such file or directory
> main.cc:2:18: error: QLabel: No such file or directory
> main.cc: In function ‘int main(int, char**)’:
> main.cc:6: error: ‘QApplication’ was not declared in this scope
> main.cc:6: error: expected `;' before ‘app’
> main.cc:8: error: ‘QLabel’ was not declared in this scope
> main.cc:8: error: ‘label’ was not declared in this scope
> main.cc:8: error: expected type-specifier before ‘QLabel’
> main.cc:8: error: expected `;' before ‘QLabel’
> main.cc:12: error: ‘app’ was not declared in this scope
> john at john-desktop:~/Projects/foobar-cpp/src$


It seems like Anjuta isn't finding your header files. I seem to have better 
luck using kedevelop from the repositories for qt4 programs

James