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  4. Makefile:62 *** Multiple target patterns. Stop.
Forum Update on Monday, May 27th 2025

Makefile:62 *** Multiple target patterns. Stop.

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  • U Offline
    U Offline
    uhlajs
    wrote on last edited by
    #1

    Hello, I am very desperature. I try to compile and run program which is wrote in c++. I use Qt 5.02 and cygwin on windows 8.1. I have the .cpp file and .pro file. I open a cmd and run following orders.

    @qmake
    make@

    But i get this error: Makefile:62 *** Multiple target patterns. Stop.
    Please do you know where is mistake?

    The .cpp file:

    @//----------------------------------------------------------------------------------------------------------------------
    // Výpis 3.3: Zesilovač – aplikace demonstrující základní použití správců rozvržení
    //----------------------------------------------------------------------------------------------------------------------

    #include <QApplication>

    #include <QDialog>
    #include <QHBoxLayout>
    #include <QVBoxLayout>

    #include <QDial>
    #include <QLabel>
    #include <QLCDNumber>
    #include <QPushButton>
    #include <QProgressBar>

    //----------------------------------------------------------------------------------------------------------------------

    int main(int argc, char *argv[])
    {
    QApplication aplikace(argc, argv);

    QDialog *okno = new QDialog; // tentorkát je pro hlavni okno aplikace vhodnější QDialog
    okno->setWindowTitle(QString::fromUtf8("Zesilovač")); // titulek okna

    // Panel hloubek
    QLabel *popisekHloubky = new QLabel(QString::fromUtf8("<b><font color=red>&Hloubky:</b>"));
    QDial *ciselnikHloubky = new QDial;
    QLCDNumber *lcdHloubky = new QLCDNumber;
    QProgressBar *progresHloubky = new QProgressBar;

    popisekHloubky->setBuddy(ciselnikHloubky); // předání focusu 'přátelskému' widgetu
    ciselnikHloubky->setRange(0, 100); // čiselný rozsah číselniku
    ciselnikHloubky->setNotchesVisible(true); // zviditelnění úrovní číselníku
    ciselnikHloubky->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    lcdHloubky->setSegmentStyle(QLCDNumber::Flat); // styl LCD displeje
    lcdHloubky->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    progresHloubky->setTextVisible(false); // bez textového popisku

    QObject::connect(ciselnikHloubky, SIGNAL(valueChanged(int)), lcdHloubky, SLOT(display(int)));
    QObject::connect(ciselnikHloubky, SIGNAL(valueChanged(int)), progresHloubky, SLOT(setValue(int)));

    ciselnikHloubky->setValue(20); // nastavení a vyslání signálu s počáteční hodnotou

    // Panel středů
    QLabel *popisekStredy = new QLabel(QString::fromUtf8("<b><font color=green>&Středy:</b>"));
    QDial *ciselnikStredy = new QDial;
    QLCDNumber *lcdStredy = new QLCDNumber;
    QProgressBar *progresStredy = new QProgressBar;

    popisekStredy->setBuddy(ciselnikStredy);
    ciselnikStredy->setRange(0, 100);
    ciselnikStredy->setNotchesVisible(true);
    ciselnikStredy->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    lcdStredy->setSegmentStyle(QLCDNumber::Flat);
    lcdStredy->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    progresStredy->setTextVisible(false);

    QObject::connect(ciselnikStredy, SIGNAL(valueChanged(int)), lcdStredy, SLOT(display(int)));
    QObject::connect(ciselnikStredy, SIGNAL(valueChanged(int)), progresStredy, SLOT(setValue(int)));

    ciselnikStredy->setValue(40);

    // Panel výšek
    QLabel *popisekVysky = new QLabel(QString::fromUtf8("<b><font color=blue>&Výšky:</b>"));
    QDial *ciselnikVysky = new QDial;
    QLCDNumber *lcdVysky = new QLCDNumber;
    QProgressBar *progresVysky = new QProgressBar;

    popisekVysky->setBuddy(ciselnikVysky);
    ciselnikVysky->setRange(0, 100);
    ciselnikVysky->setNotchesVisible(true);
    ciselnikVysky->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    lcdVysky->setSegmentStyle(QLCDNumber::Flat);
    lcdVysky->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
    progresVysky->setTextVisible(false);

    QObject::connect(ciselnikVysky, SIGNAL(valueChanged(int)), lcdVysky, SLOT(display(int)));
    QObject::connect(ciselnikVysky, SIGNAL(valueChanged(int)), progresVysky, SLOT(setValue(int)));

    ciselnikVysky->setValue(60);

    QPushButton tlacitko(QString::fromUtf8("&Použít"));
    QObject::connect(&tlacitko, SIGNAL(clicked()), &aplikace, SLOT(quit()));

    // Správci rozvržení jednotlivých widgetů
    QHBoxLayout *horRozvrzeniHloubek = new QHBoxLayout;
    horRozvrzeniHloubek->addWidget(popisekHloubky);
    horRozvrzeniHloubek->addWidget(progresHloubky);
    horRozvrzeniHloubek->addWidget(lcdHloubky);
    horRozvrzeniHloubek->setStretch(0, 1); // poměry velikosti
    horRozvrzeniHloubek->setStretch(1, 3);

    QHBoxLayout *horRozvrzeniStredu = new QHBoxLayout;
    horRozvrzeniStredu->addWidget(popisekStredy);
    horRozvrzeniStredu->addWidget(progresStredy);
    horRozvrzeniStredu->addWidget(lcdStredy);
    horRozvrzeniStredu->setStretch(0, 1);
    horRozvrzeniStredu->setStretch(1, 3);

    QHBoxLayout *horRozvrzeniVysek = new QHBoxLayout;
    horRozvrzeniVysek->addWidget(popisekVysky);
    horRozvrzeniVysek->addWidget(progresVysky);
    horRozvrzeniVysek->addWidget(lcdVysky);
    horRozvrzeniVysek->setStretch(0, 1);
    horRozvrzeniVysek->setStretch(1, 3);

    QHBoxLayout *horRozvrzeniTlacitek = new QHBoxLayout;
    horRozvrzeniTlacitek->addWidget(ciselnikHloubky);
    horRozvrzeniTlacitek->addWidget(ciselnikStredy);
    horRozvrzeniTlacitek->addWidget(ciselnikVysky);

    QVBoxLayout *verRozvrzeni = new QVBoxLayout;
    verRozvrzeni->addLayout(horRozvrzeniHloubek);
    verRozvrzeni->addLayout(horRozvrzeniStredu);
    verRozvrzeni->addLayout(horRozvrzeniVysek);
    verRozvrzeni->addLayout(horRozvrzeniTlacitek);
    verRozvrzeni->addWidget(&tlacitko);

    okno->setLayout(verRozvrzeni); // zavedení hlavního rozvržení do okna
    okno->show(); // zobrazení okna

    return aplikace.exec();
    }

    //----------------------------------------------------------------------------------------------------------------------
    @

    The .pro file:

    @# projekt / Zesilovač

    TARGET = zesilovac

    TEMPLATE = app

    QT += widgets

    SOURCES = zesilovac.cpp
    @

    1 Reply Last reply
    0
    • dheerendraD Offline
      dheerendraD Offline
      dheerendra
      Qt Champions 2022
      wrote on last edited by
      #2

      There is no mistake in the code. I suspect the mistake in make file. Just you have different make command or make files to run for compile. Were you able to compile through QtCreator ?

      Dheerendra
      @Community Service
      Certified Qt Specialist
      http://www.pthinks.com

      1 Reply Last reply
      0
      • U Offline
        U Offline
        uhlajs
        wrote on last edited by
        #3

        Yeah, if i create a new project in QtCreator and copy these codes its work.

        1 Reply Last reply
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