Have the wdmerger makefile reference the source directory in relation to the WDMERGER_HOME environment variable, which should now be set.
Have the wdmerger makefile reference the source directory in relation to the WDMERGER_HOME environment variable, which should now be set.

BoxLib-Codes/wdmerger,BoxLib-Codes/wdmerger,BoxLib-Codes/wdmerger,BoxLib-Codes/wdmerger