[Unit]
Description=Meine Geile GCC Config
Requires=GCC und so

[Service]
Type=dbus
Busname=org.poettering.lennart.GCC
ExecStart=/usr/lib/systemd/system/systemd/compilertools/gcc ${SOURCE} -o ${BINARY}
OFlags=-O2
CFLAGS=-Werror

Voll easy! Kann doch jeder!