Qt-contributors-summit-2014-Program: Difference between revisions

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-h1. Qt3 to Qt4 porting approach
-== General ==
-The large-scale application usually consists of many libraries and some executable modules.
-To reduce time-to-market the following approach looks attractive:
-# Port the application using Q3Support module. Get it up and running
-# In the continues way remove Q3Support classes, replace them with Qt4 equivalents and get benefits from all Qt4 improvements
-== Porting ==
-# Check library dependencies and order them for "one-pass" build. Probably, it is already done in your Qt3 build environment
-# Start from the library that does not depend on any other, and follow in the build order
-# Compile the library using Qt3
-# Create the test application that uses main classes from the library (just display widgets and fill them with data) for Qt3
-# Port library to Qt4
-# Port test application to Qt4
-# Test that the ported application works in the same way as Qt3-based version.
-# After processing of all libraries start to port and debug the main application.

Revision as of 07:08, 25 February 2015