libqtm-publishsubscribe and libqtm-publishsubscribe-dev does not contain any library .so or development header files. Please find the contents displayed by dpkg as follows.

[sbox-maemo6-armv7: /var/cache/apt/archives] > dpkg -l | grep libqtm-dev
ii libqtm-dev 1.1.0~git20100825-0maemo1+0m6 Qt Mobility development package

[sbox-maemo6-armv7: /var/cache/apt/archives] > dpkg -S libQtPublishSubscribe.so
dpkg: libQtPublishSubscribe.so not found.

[sbox-maemo6-armv7: /var/cache/apt/archives] > dpkg -c libqtm-publishsubscribe-dev_1.1.0~git20100825-0maemo1+0m6_armel.deb
drwxr-xr-x root/root 0 2010-08-26 11:59 ./
drwxr-xr-x root/root 0 2010-08-26 11:59 ./usr/
drwxr-xr-x root/root 0 2010-08-26 11:59 ./usr/share/
drwxr-xr-x root/root 0 2010-08-26 11:59 ./usr/share/doc/
drwxr-xr-x root/root 0 2010-08-26 11:59 ./usr/share/doc/libqtm-publishsubscribe-dev/
rw-rr- root/root 618 2010-08-25 19:19 ./usr/share/doc/libqtm-publishsubscribe-dev/changelog.Debian.gz
[sbox-maemo6-armv7: /var/cache/apt/archives] >

[sbox-maemo6-armv7: /var/cache/apt/archives] > dpkg -c libqtm-publishsubscribe_1.1.0~git20100825-0maemo1+0m6_armel.deb
drwxr-xr-x root/root 0 2010-08-26 11:58 ./
drwxr-xr-x root/root 0 2010-08-26 11:58 ./usr/
drwxr-xr-x root/root 0 2010-08-26 11:58 ./usr/share/
drwxr-xr-x root/root 0 2010-08-26 11:58 ./usr/share/doc/
drwxr-xr-x root/root 0 2010-08-26 11:59 ./usr/share/doc/libqtm-publishsubscribe/
rw-rr- root/root 618 2010-08-25 19:19 ./usr/share/doc/libqtm-publishsubscribe/changelog.Debian.gz