flightgear/src/Include/config_cmake.h.in

#cmakedefine FG_NDEBUG
#cmakedefine ENABLE_SP_FDM

// JSBSim needs this, to switch from standalone to in-FG mode
#define FGFS 

#define PU_USE_NONE // PLIB needs this to avoid linking to GLUT

#cmakedefine ENABLE_PLIB_JOYSTICK

// threads are required (used to be optional)
#define ENABLE_THREADS 1 

// audio support is assumed
#define ENABLE_AUDIO_SUPPORT 1 

#cmakedefine HAVE_SYS_TIME_H
#cmakedefine HAVE_CULLSETTINGS_CLEAR_MASK

#define VERSION "@FLIGHTGEAR_VERSION"

#define HAVE_VERSION_H 1 // version.h is assumed for CMake builds

#cmakedefine ENABLE_UIUC_MODEL
#cmakedefine ENABLE_LARCSIM
#cmakedefine ENABLE_YASIM
#cmakedefine ENABLE_JSBSIM

#define PKGLIBDIR "@PKGLIBDIR"