Buenas yo tengo este problema a la hora de instalar el plugin sc no consigo instalarlo porque me da error, dices que se instala solo puedes decirme como lo haces ¿? yo me he bajado el plugin lo he descomprimido y intento instalarlo y recibo este error:

root@UBUNTU:/home/javier/kaffeine-sc-plugin-0.2.3# ./configure
checking build system type... i686-pc-linux-gnulibc1
checking host system type... i686-pc-linux-gnulibc1
checking target system type... i686-pc-linux-gnulibc1
checking for a BSD-compatible install... /usr/bin/install -c
checking for -p flag to install... yes
checking whether build environment is sane... yes
checking for gawk... no
checking for mawk... mawk
checking whether make sets $(MAKE)... yes
checking for kde-config... /usr/bin/kde-config
checking where to install... /usr (as returned by kde-config)
checking for style of include used by make... GNU
checking for gcc... gcc
checking for C compiler default output file name... configure: error: C compiler cannot create executables
See `config.log' for more details.
root@UBUNTU:/home/javier/kaffeine-sc-plugin-0.2.3#

Gracias salu2.