message(FATAL_ERROR "Cannot find SimGear libraries! (Forgot 'make install' for SimGear?) "
"Compile & INSTALL SimGear before configuring FlightGear. "
"When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.")
message(FATAL_ERROR "Cannot find SimGear libraries! (Forgot 'make install' for SimGear?) "
"Compile & INSTALL SimGear before configuring FlightGear. "
"When using non-standard locations, use 'SIMGEAR_DIR' to configure the SimGear location.")