cmake Gsm examples

oceancx/CXEngine client/CMakeLists.txt :9 

find_package(gsm)

gnuradio/gnuradio gr-vocoder/CMakeLists.txt :51 

find_package(GSM)

FlightGear/flightgear CMakeLists.txt :163 

find_package(Gsm)

sems-server/sems CMakeLists.txt :205 

FIND_PACKAGE(Gsm)