Nokia-N900:~# apt-get install mupen64plus-arm-gui mupen64plus-arm mupen64plus-arm-gles2n64
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following extra packages will be installed:
  libsdl-ttf2.0
The following NEW packages will be installed:
  libsdl-ttf2.0 mupen64plus-arm mupen64plus-arm-gles2n64
  mupen64plus-arm-gui
0 upgraded, 4 newly installed, 0 to remove and 5 not upgraded.
1 not fully installed or removed.
Need to get 0B/1186kB of archives.
After this operation, 3269kB of additional disk space will be used.
Do you want to continue [Y/n]? si
(Reading database ... 32003 files and directories currently installed.)
Unpacking libsdl-ttf2.0 (from .../libsdl-ttf2.0_2.0.9-1osso0+0m5_armel.deb) ...
dpkg: error processing /var/cache/apt/archives/libsdl-ttf2.0_2.0.9-1osso0+0m5_armel.deb (--unpack):
 trying to overwrite `/usr/lib/libSDL_ttf-2.0.so.0.6.3', which is also in package libsdl-ttf2.0-0
Selecting previously deselected package mupen64plus-arm.
Unpacking mupen64plus-arm (from .../mupen64plus-arm_20100819-0maemo1_armel.deb) ...
Selecting previously deselected package mupen64plus-arm-gles2n64.
Unpacking mupen64plus-arm-gles2n64 (from .../mupen64plus-arm-gles2n64_22-0maemo1_armel.deb) ...
Selecting previously deselected package mupen64plus-arm-gui.
Unpacking mupen64plus-arm-gui (from .../mupen64plus-arm-gui_20100819-0maemo1_all.deb) ...
Errors were encountered while processing:
 /var/cache/apt/archives/libsdl-ttf2.0_2.0.9-1osso0+0m5_armel.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)