#cmakedefine HAVE_RINT
#cmakedefine HAVE_TIMEGM
#cmakedefine HAVE_ISNAN
+#cmakedefine HAVE_STD_ISNAN
#cmakedefine HAVE_WINDOWS_H
#cmakedefine HAVE_MKDTEMP
#cmakedefine GCC_ATOMIC_BUILTINS_FOUND
-// set if building headless (no OSG or OpenGL libs)
-#cmakedefine NO_OPENSCENEGRAPH_INTERFACE
+#cmakedefine SYSTEM_EXPAT
+#cmakedefine ENABLE_SOUND
+#cmakedefine SIMGEAR_HEADLESS