To uninstall libecal1.2-dev just follow these instructions.
/debian/wheezy/main///install/index.html Client library for evolution calendars (development files) Debian 7.0 libdevel 3.4.4-3+deb7u1
sudo apt-get remove libecal1.2-dev
Which will remove just the libecal1.2-dev package itself.
sudo apt-get remove --auto-remove libecal1.2-dev
This will remove the libecal1.2-dev package and any other dependant packages which are no longer needed.
If you also want to delete your local/config files for libecal1.2-dev then this will work.
sudo apt-get purge libecal1.2-dev
Or similarly, like this libecal1.2-dev
sudo apt-get purge --auto-remove libecal1.2-dev
|Maintainer||Debian Evolution Maintainers |
|Description||Client library for evolution calendars (development files)|