Qt 5.1.0 --- "cannot find -lGL"

[ApteryxOz]

Have move from 4.8.x to 5.1.0 and now have the following issue on comile of my application: (Ubuntu 12.04)

Installs/Qt5//5.1.0/gcc/lib -lQt5Widgets -lQt5SerialPort -lQt5Sql -lQt5Network -lQt5Gui -lQt5Core -lGL -lpthread
/usr/bin/ld: cannot find -lGL
collect2: ld returned 1 exit status
make: *** [cataps] Error 1
09:13:09: The process "/usr/bin/make" exited with code 2.
Error while building/deploying project catap (kit: Desktop Qt 5.1.0 GCC 32bit)
When executing step 'Make'
09:13:09: Elapsed time: 00:36.

Any ideas?

[ArcNexus]

install libgl-mesa-dev and it's solved.

[ApteryxOz]

Awesome thanks = installed libgl1-mesa-dev