Qt4 windows deployment -SSE -SSE2 how?

Hello.
I want compile Qt4 on my WinXP Sp3 with SSE/2 support, but i cant find trigers to do that.
From what i can see in 'configure --help' ther is no switch to turn it on, and what is strange i can turn it off.

Quote:

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...
RTTI support................yes
MMX support.................yes
3DNOW support...............no
SSE support.................no
SSE2 support................no
IWMMXT support..............no
OpenGL support..............yes
...

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So how do I turn SSE on?

PS. sorry for my eng its not my native.
Best regards