No rule to make target

I tried to run a program but the process stops due to the error

Code:

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:-1: error: No rule to make target '../../../../../IBO_win03_1/mainwindow.ui', needed by 'ui_mainwindow.h'.  Stop.

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.h

Code:

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#ifndef MAINWINDOW_H
#define MAINWINDOW_H
 
#include <QMainWindow>
 
 
namespace Ui {
class MainWindow;
}
 
class MainWindow : public QMainWindow
{
    Q_OBJECT
 
public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();
 
private slots:
    void on_pshOdpriDatoteko_clicked();
 
    void on_pshShraniDatoteko_clicked();
 
    void on_actionIzhod_triggered();
 
    void on_actionOdpri_triggered();
 
    void on_actionShrani_kot_triggered();
 
private:
    Ui::MainWindow *ui;
 
    QString dat;
};
 
#endif // MAINWINDOW_H

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main

Code:

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#include "mainwindow.h"
#include <QApplication>
 
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    w.show();
 
    return a.exec();
}

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.cpp

Code:

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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QFileDialog>
#include <QDebug>
#include <QFile>
#include <QTextStream>
#include <QMessageBox>
 
 
MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);
}
 
MainWindow::~MainWindow()
{
    delete ui;
}
 
void MainWindow::on_pshOdpriDatoteko_clicked()
{
    dat = QFileDialog::getOpenFileName(
                this,
                "Odpri datoteko",
                "C://",
                "Vse datoteke (*.*)");
 
    /*
    QMessageBox::information(
                this,
                "",
                dat);
                */
 
    QFile datoteka(dat);
    if (!datoteka.open(QIODevice::ReadOnly))
        QMessageBox::information(
                    this,
                    "",
                    datoteka.errorString()
                    );
    QTextStream in(&datoteka);
    ui->tb->setText(in.readAll());
    datoteka.close();
}
 
void MainWindow::on_pshShraniDatoteko_clicked()
{
    QFile datoteka(dat);
    if (!datoteka.open(QIODevice::ReadWrite))
        QMessageBox::information(
                    this,
                    "",
                    datoteka.errorString()
                    );
    QTextStream out(&datoteka);
    out << ui->tb->toPlainText();
    datoteka.close();
}
 
void MainWindow::on_actionIzhod_triggered()
{
    MainWindow::close();
}
 
void MainWindow::on_actionOdpri_triggered()
{
    MainWindow::on_pshOdpriDatoteko_clicked();
}
 
void MainWindow::on_actionShrani_kot_triggered()
{
    dat = QFileDialog::getSaveFileName(
                this,
                "Shrani datoteko kot",
                "C://",
                "Vse datoteke (*.*)");
 
    QMessageBox::information(
                this,
                "",
                dat);
    QFile datoteka(dat);
 
    if (!datoteka.open(QIODevice::WriteOnly | QIODevice::Text))
        QMessageBox::information(
                    this,
                    "",
                    datoteka.errorString()
                    );
 
    QTextStream out(&datoteka);
    out << ui->tb->toPlainText();
    datoteka.close();
}

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.pro

Code:

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#-------------------------------------------------
#
# Project created by QtCreator 2014-10-30T12:51:09
#
#-------------------------------------------------
 
QT       += core gui
 
greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
 
TARGET = IBO_win_03
TEMPLATE = app
 
 
SOURCES += main.cpp\
        mainwindow.cpp
 
HEADERS  += mainwindow.h
 
FORMS    += \
    ../../../../../IBO_win03_1/mainwindow.ui \
    IBO_win03_1/mainwindow.ui

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Does " ../../../../../IBO_win03_1/mainwindow.ui" actually exist? You seem to have two 'mainwindow.ui' files in your project file

I fixed it and it works now. It seems the problem was with .ui file.

Can you state what the problem was ? It may help others :)

I don' t know exactly. I deleted the .ui file and paste it again and deleted some folders that were in project directory and after that the project compiled.

If you have the same file in two different locations, Ie: "mainwindow.ui" and "../../../../../IBO_win03_1/mainwindow.ui" listed in your project file it will not compile.