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i am new to linux...however, i wourld like to install this program. however, when i type in made after ./configure ..i receive this error message...
pls help..
thanks a lot

make all-recursive
make[1]: Entering directory `/home/yang/Desktop/kleardock-0.5'
Making all in src
make[2]: Entering directory `/home/yang/Desktop/kleardock-0.5/src'
/bin/sh ../libtool --silent --mode=link --tag=CXX g++ -Wnon-virtual-dtor -Wno-long-long -Wundef -Wall -pedantic -W -Wpointer-arith -Wwrite-strings -ansi -D_XOPEN_SOURCE=500 -D_BSD_SOURCE -Wcast-align -Wconversion -Wchar-subscripts -O2 -Wformat-security -Wmissing-format-attribute -fno-exceptions -fno-check-new -fno-common -o kleardock -R /usr/lib -R /usr/lib/qt3//lib -R /usr/X11R6/lib -L/usr/X11R6/lib -L/usr/lib/qt3//lib -L/usr/lib main.o kleardock.o item.o showdesktop.o kleardock.moc.o -lkdeui
libtool: link: cannot find the library `/usr/X11R6/lib/libGL.la'
make[2]: *** [kleardock] Error 1
make[2]: Leaving directory `/home/yang/Desktop/kleardock-0.5/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/yang/Desktop/kleardock-0.5'
make: *** [all] Error 2

hrm..it was there initially...but then i still receive the same error message.....