QT各个模块的可移植性

从QT4开始，已经把QT的各个功能模块独立出来了，各个模块都集成到了各自的Library里了。这样可以单独编译，单独使用，单独移植。

Qt's Modules

Qt 4 consists of several modules, each of which lives in a separate library.

Modules for general software development:

	Core non-graphical classes used by other modules
	Graphical user interface (GUI) components
	Classes for network programming
	OpenGL support classes
	Classes for evaluating Qt Scripts
	Additional Qt Script components
	Classes for database integration using SQL
	Classes for displaying the contents of SVG files
	Classes for displaying and editing Web content
	Classes for handling XML
	An XQuery & XPath engine for XML and custom data models
	Multimedia framework classes
	Qt 3 compatibility classes

Modules for working with Qt's tools:

	Classes for extending Qt Designer
	Classes for handling Qt Designer forms in applications
	Classes for online help
	Support for online help
	Tool classes for unit testing

The following extension modules are available in the on Windows:

	Extension for accessing ActiveX controls
	Extension for writing ActiveX servers

The following extension module is available in all on Unix platforms:

Classes for Inter-Process Communication using the D-Bus

If you use to build your projects, the and modules are included by default. To link only against , add the following line to your .pro file:

 QT -= gui

On Windows, if you do not use , the Visual Studio Integration available to , or other build tools such as CMake, you also need to link against the qtmain library.