Build Qt from source and install it on Windows

The major problem is its installation. 1. Doing shadow building. Configure the building in a side directory. configure -target xp -prefix the-correct-path-to-install -D _USING_V110_SDK71_ For example, the command with ssl support should be like this: configure -target xp -prefix C:/Qt/5.6.3/msvc2015_xp -D _USING_V110_SDK71_ -openssl -I C:/openssl-1.0.2s/inc32 -L C:/openssl-1.0.2s/out32 The correct install path is important, since a…