Index: trunk/MagicSoft/Mars/msim/Makefile
===================================================================
--- trunk/MagicSoft/Mars/msim/Makefile	(revision 9319)
+++ trunk/MagicSoft/Mars/msim/Makefile	(revision 9351)
@@ -26,4 +26,5 @@
 	   MHPhotonEvent.cc \
 	   MSimMMCS.cc \
+	   MSimAtmosphere.cc \
 	   MSimAbsorption.cc \
 	   MSimPointingPos.cc