option(SYSTEM_SQLITE "Set to ON to build FlightGear with the system's SQLite3 library" OFF)
option(ENABLE_IAX "Set to ON to build FlightGear with IAXClient/fgcom built-in (default)" ON)
option(USE_DBUS "Set to ON to build FlightGear with DBus screensaver interaction (default on Linux)" ${USE_DBUS_DEFAULT})
option(SYSTEM_SQLITE "Set to ON to build FlightGear with the system's SQLite3 library" OFF)
option(ENABLE_IAX "Set to ON to build FlightGear with IAXClient/fgcom built-in (default)" ON)
option(USE_DBUS "Set to ON to build FlightGear with DBus screensaver interaction (default on Linux)" ${USE_DBUS_DEFAULT})
option(SYSTEM_SPEEX "Set to ON to build IAXClient with the system's speex and speexdsp library" ${SYSTEM_SPEEX_DEFAULT})
option(SYSTEM_GSM "Set to ON to build IAXClient with the system's GSM library" ${SYSTEM_GSM_DEFAULT})
option(SYSTEM_FLITE "Set to ON to build Flightgear with the system's Flite library" ${SYSTEM_FLITE_DEFAULT})
option(SYSTEM_SPEEX "Set to ON to build IAXClient with the system's speex and speexdsp library" ${SYSTEM_SPEEX_DEFAULT})
option(SYSTEM_GSM "Set to ON to build IAXClient with the system's GSM library" ${SYSTEM_GSM_DEFAULT})
option(SYSTEM_FLITE "Set to ON to build Flightgear with the system's Flite library" ${SYSTEM_FLITE_DEFAULT})
include_directories(${PROJECT_SOURCE_DIR})
include_directories(${PROJECT_SOURCE_DIR}/src)
# following is needed, because config.h is include 'bare', whereas
include_directories(${PROJECT_SOURCE_DIR})
include_directories(${PROJECT_SOURCE_DIR}/src)
# following is needed, because config.h is include 'bare', whereas