could you uninstall dc then and try that one-line command?
~ # dpkg -l | grep dc ii advancedcallrecorder 1.0.0 Advanced Call Recorder for Meego rc dc 1.06.95-2+maemo9+0m6 The GNU dcarbitrary precision reverse-polish calculator ii libstdc++6 4.4.1-0maemo14+0m6 The GNU Standard C++ Library v3 ~ #