# Qt 4.5: Platform-Specific Notes

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# Platform-Specific Notes

These documents describe platform-specific features provided by Qt, and discuss issues related to particular platforms and environments.

ActiveQt Framework | An overview of Qt's ActiveX and COM integration on Windows.
Calling Qt Functions From Unix Signal Handlers | You can't. But don't despair, there is a way...
Compiler Notes | Information about the C++ compilers and tools used to build Qt.
Developing Qt Applications on Mac OS X | A overview of items to be aware of when developing Qt applications on Mac OS X
Known Issues in 4.5.2 | A summary of known issues in Qt 4.5.2 at the time of release.
Platform Notes | Information about the platforms on which Qt can be used.
Qt for Mac OS X - Specific Issues | A description of issues with Qt that are specific to Mac OS X.
Qt is Mac OS X Native | An explanation of Qt's native features on Mac OS X.
Supported Platforms | The platforms supported by Nokia for Qt.
The qtmain Library | Describes the use and license of the qtmain helper library.