I'd like to add some options to the make command (like -j5) but I can't find it in qtcreator where to set it up.

Qt Code:
  1. Qt Creator 1.2.90 based on Qt 4.5.3
  2.  
  3. BinEditor 1.2.90 Binary editor component.
  4. Bookmarks 1.2.90 Bookmarks in text editors.
  5. CMakeProjectManager 1.2.90 CMake support
  6. CVS 1.2.90 CVS integration.
  7. CodePaster 1.2.90 Codepaster plugin for pushing/fetching diff from server
  8. Core 1.2.90 The core plugin for the Qt IDE.
  9. CppEditor 1.2.90 C/C++ editor component.
  10. CppTools 1.2.90 Tools for analyzing C/C++ code.
  11. Debugger 1.2.90 Debugger integration.
  12. Designer 1.2.90 Qt Designer integration.
  13. DuiEditor 1.2.90 Editor for DUI.
  14. FakeVim 1.2.90 VI-style keyboard navigation.
  15. Find 1.2.90 Provides the find widget and the hooks for find implementations.
  16. GenericProjectManager 1.2.90 Generic support
  17. Help 1.2.90 Help system.
  18. Perforce 1.2.90 Perforce integration.
  19. ProjectExplorer 1.2.90 ProjectExplorer framework that can be extended with different kind of project types.
  20. QmlProjectManager 1.2.90 Qml support
  21. Qt4ProjectManager 1.2.90 Provides project type for Qt 4 pro files and tools.
  22. QtScriptEditor 1.2.90 Editor for QtScript.
  23. QuickOpen 1.2.90 Provides the Locator widget and the hooks for QuickOpen filter implementations.
  24. ResourceEditor 1.2.90 Editor for qrc files.
  25. ScmGit 1.2.90 Git integration.
  26. Subversion 1.2.90 Subversion integration.
  27. TextEditor 1.2.90 Text editor framework and the implementation of the basic text editor.
  28. VCSBase 1.2.90 Version Control System Base Plugin
  29. Welcome 1.2.90 Default Welcome Screen Plugin
  30.  
  31. (C) 2008-2009 Nokia Corporation
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Or is there a way to specify it within the .pro data?
Greets