编译gnome-panel包出错

fzhyeale

编译gnome-panel包时，出现如下错误，请问怎么解决？
/usr/bin/ld: cannot find -lecal
collect2: ld returned 1 exit status
make[4]: *** [clock-applet] 错误 1
make[4]: Leaving directory `/usr/src/redhat/BUILD/gnome-panel-2.6.0/applets/clock'
make[3]: *** [all-recursive] 错误 1
make[3]: Leaving directory `/usr/src/redhat/BUILD/gnome-panel-2.6.0/applets/clock'
make[2]: *** [all-recursive] 错误 1
make[2]: Leaving directory `/usr/src/redhat/BUILD/gnome-panel-2.6.0/applets'
make[1]: *** [all-recursive] 错误 1
make[1]: Leaving directory `/usr/src/redhat/BUILD/gnome-panel-2.6.0'
make: *** [all] 错误 2