Installing Plugins

[landy]

g -O2 -MT libsystemload_la-systemload.lo -MD -MP -MF
.deps/libsystemload_la-systemload.Tpo -c systemload.c  -fPIC -DPIC -o
.libs/libsystemload_la-systemload.lo
systemload.c: In function `xfce_control_class_init':
systemload.c:523: error: structure has no member named `add_options'
make[2]: *** [libsystemload_la-systemload.lo] Error 1
make[2]: Leaving directory
`/home/illustre/xfce4-systemload-plugin-0.3.0/panel-plugin'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory
`/home/illustre/xfce4-systemload-plugin-0.3.0'
make: *** [all] Error 2
illustre at pepino:~/xfce4-systemload-plugin-0.3.0