Fix CMake when NWM_META=1

* fix cmake reference to .nwm_version file

Author: danrosen25

trunk/NDHMS/utils/CMakeLists.txt

@@ -3,11 +3,11 @@ cmake_minimum_required (VERSION 2.8)
 # read version numbers for wrf_hydro_version and nwm_version from 
 # ../.version and ../.nwm_version
 file (STRINGS "../.version" WRF_HYDRO_VERSION)
-if (NWM_META)
+if (NWM_META AND EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../.nwm_version)
 	file (STRINGS "../.nwm_version"  NWM_VERSION)
-else (NWM_META)
-	set(NWM_VERSION "none")
-endif (NWM_META)
+else (NWM_META AND EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../.nwm_version)
+	set(NWM_VERSION "undefined")
+endif (NWM_META AND EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../.nwm_version)
 
 # add the preprocessor definitions for NWM_VERSION and WRF_HYDRO_VERSION
 # needed to compile module_version.F