--- a/branches/vxl-build-makefiles/contrib/brl/bseg/boxm2/reg/ocl/makefile
+++ b/branches/vxl-build-makefiles/contrib/brl/bseg/boxm2/reg/ocl/makefile
@@ -6,6 +6,7 @@
 SOURCES += boxm2_ocl_reg_minfo_func.cxx
 SOURCES += boxm2_ocl_reg_depth_map_to_vol.cxx
 SOURCES += boxm2_ocl_reg_depth_map_to_vol2.cxx
+SOURCES += boxm2_ocl_monte_carlo_reg.cxx
 
 SUBDIRS += exe