When I updated my SDK, the qt was 4.6, not 4.7. Unless it has changed a few hours ago or that I didn't update it properly? Anyway, if the autobuilder uses qt-4.7, it should work so I will resubmit the package before the end of weekend.
[sbox-FREMANTLE_ARMEL: ~] > apt-cache policy libqt4-dev libqt4-dev: Installed: 4.7.0~git20100909-0maemo1+0m5 Candidate: 4.7.0~git20100909-0maemo1+0m5 Version table: *** 4.7.0~git20100909-0maemo1+0m5 0 500 http://repository.maemo.org fremantle/sdk/free Packages 100 /var/lib/dpkg/status 4.6.2~git20100401-0maemo1+0m5 0 500 http://repository.maemo.org fremantle/sdk/free Packages 4.6.2~git20100310-0maemo1+0m5 0 500 http://repository.maemo.org fremantle/sdk/free Packages 4.5.3~git20090723-0maemo6+0m5 0 500 http://repository.maemo.org fremantle/sdk/free Packages 4.5.3~git20090723-0maemo4+0m5 0 500 http://repository.maemo.org fremantle/sdk/free Packages [sbox-FREMANTLE_ARMEL: ~] >