Some problems

[wysota]

No, you run "qmake -project", not qmake. Remove the line and run qmake.

[Dante]

No difference

[spirit]

could you attach whole project that we can try to build?

[wysota]

No difference

You mean it still adds something to the HEADERS variable?

[Dante]

No.it adds nothing but gives the same errors.
And here's the project.

[spirit]

jpn was right, you compile a xml file

#include "gotocelldialog.ui"//ui has xml structure!!

#include "gotocelldialog.ui"//ui has xml structure!!

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try this

#include "ui_gotocelldialog.h"

#include "ui_gotocelldialog.h"

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I don't know your code will work at all.
looks like you still don't want to read docs about Qt and even more -- about C++!

this is correct code

#include <QApplication>
#include <QDialog>
 
#include "ui_gotocelldialog.h"
 
int main(int argc,char *argv[]){
	QApplication app(argc,argv);
 
	Ui::GoToCellDialog ui;
	QDialog dialog;
	ui.setupUi(&dialog);
 
	return dialog.exec();
}

#include <QApplication>
#include <QDialog>

#include "ui_gotocelldialog.h"

int main(int argc,char *argv[]){
	QApplication app(argc,argv);
	
	Ui::GoToCellDialog ui;
	QDialog dialog;
	ui.setupUi(&dialog);
	
	return dialog.exec();
}

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[Dante]

Corrected.
thanks