Q:

Compiling Qt Creator with MinGW

How does one recompile Qt Creator using MinGW in Windows XP? 

A:

I would start by reading the README, in it you will find:

Compiling Qt Creator
You need Qt 4.6 to build Qt Creator.  
We recommend that you build Qt Creator not in the source directory, but in a separate directory.  
To do that, use the following commands: 
mkdir $BUILD_DIRECTORY  
cd $BUILD_DIRECTORY
qmake $SOURCE_DIRECTORY/qtcreator.pro
make (or mingw32-make or nmake, depending on your platform)

