x86:

1. Запускаем qt5vars.cmd
2. cd qtbase
   configure -opensource -opengl desktop -mp -nomake tests -nomake examples -target xp  -I "%cd%\openssl" -openssl-linked OPENSSL_LIBS_DEBUG="%cd%\openssl\debug\ssleay32.lib %cd%\openssl\debug\libeay32.lib" OPENSSL_LIBS_RELEASE="%cd%\openssl\release\ssleay32.lib %cd%\openssl\release\libeay32.lib"
   nmake

3. cd ..\qttools
   qmake
   nmake

XXX. cd ..\qtwinextras
   qmake
   nmake

4.  cd ..\qtbase
    nmake docs
    cd ..\qttools
    nmake docs
 
5. cd ..
   cleanup.bat

x64:

1. Запускаем qt5vars_x64.cmd
2. cd qtbase
   configure -opensource -opengl desktop -mp -nomake tests -nomake examples -target xp -I "%cd%\openssl_x64" -openssl-linked OPENSSL_LIBS_DEBUG="%cd%\openssl_x64\debug\ssleay32.lib %cd%\openssl_x64\debug\libeay32.lib" OPENSSL_LIBS_RELEASE="%cd%\openssl_x64\release\ssleay32.lib %cd%\openssl_x64\release\libeay32.lib"
   nmake
 
3. cd ..\qttools
   qmake
   nmake

4. cd ..
   cleanup.bat