title: QTCreator g++.exe: fatal error: no input files (Windows)
body: <p>An error occurs during the build:</p>
  
  <p>code *.pro:</p>
  
  <pre><code>QT       += core gui
  
  QT = widgets
  
  TARGET = MYPROJECT
  TEMPLATE = app
  
  
  SOURCES += main.cpp\
             mainwindow.cpp
  
  HEADERS  += mainwindow.h
  
  FORMS    += mainwindow.ui
  </code></pre>
  
  <p>code mainwindow.h:</p>
  
  <pre><code>#ifndef MAINWINDOW_H
  #define MAINWINDOW_H
  
  #include &lt;QMainWindow&gt;
  
  
  namespace Ui {
  class MainWindow;
  }
  
  class MainWindow : public QMainWindow
  {
      Q_OBJECT
  
  public:
      explicit MainWindow(QWidget *parent = 0);
      ~MainWindow();
  
  private:
      Ui::MainWindow *ui;
  };
  
  #endif // MAINWINDOW_H
  </code></pre>
  
  <p>As a compliant is installed: <code>C:\Strawberry\c\bin\g++.exe</code></p>
  
  <p>The assembly is made in Windows 10 64 bit.</p>
  
  <p>In time the assembly i get so error: </p>
  
  <blockquote>
    <p>g++.exe: fatal error: no input files
    compilation terminated.
    09:38:38: The process "C:\Strawberry\c\bin\g++.exe" ended with code 1.
    Error in assembling / installing the MYPROJECT project (set: MYPROJECT_DESCTOP)
    During the "Build" stage</p>
  </blockquote>
  
  <p>I tried include full path to files in .pro file, but it isn't helped.</p>