add beautify make rule to remove trailing whitespace. Have not applie…

…d it to the source tree yet.

Makefile.am

@@ -3,11 +3,11 @@
 
 SUBDIRS = include #src
 
-AUTOMAKE_OPTIONS = subdir-objects 
+AUTOMAKE_OPTIONS = subdir-objects
 ACLOCAL_AMFLAGS  = -I m4
 AM_CFLAGS        = $(libmesh_CFLAGS)
 
-# AM_CPPFLAGS are method-independent cppflags that 
+# AM_CPPFLAGS are method-independent cppflags that
 # we use when compiling libmesh proper, or its utility
 # codes.  These will be augmented with method-specific
 # cppflags later on
@@ -99,6 +99,15 @@ install-data-hook:
 	cat $(DESTDIR)$(libmesh_configdir)/libmesh-config | $(SED) "s/has_been_installed=no/has_been_installed=yes/g" > $(DESTDIR)$(libmesh_configdir)/libmesh-config.installed
 	mv $(DESTDIR)$(libmesh_configdir)/libmesh-config.installed $(DESTDIR)$(libmesh_configdir)/libmesh-config && chmod +x $(DESTDIR)$(libmesh_configdir)/libmesh-config
 
+
+# this rule invokes emacs on each source file to remove trailing whitespace.
+beautify:
+	for file in `find $(srcdir)/{src,include,examples} -name "*.C" -o -name "*.h" -o -name Makefile.am -type f` ; do \
+	  echo $$file ; \
+	  emacs -batch $$file --eval '(delete-trailing-whitespace)' -f save-buffer 2>/dev/null ; \
+	done
+
+
 # Additional files to be deleted by 'make distclean'
 # _configs.sed seems to be leftover by prefix_config
 DISTCLEANFILES =  \
@@ -123,23 +132,23 @@ DISTCLEANFILES =  \
 # 	   test/Makefile.in                         \
 # 	   test/common/Makefile.in 		    \
 # 	   test/comp_ns/Makefile.in		    \
-# 	   test/unit/Makefile.in                    
+# 	   test/unit/Makefile.in
 
 
 
 SUBDIRS += contrib
 
 include src/libmesh_SOURCES
 
-# A convenience library to hold proper libMesh 
-# objects.  This will get appended with any contributed 
+# A convenience library to hold proper libMesh
+# objects.  This will get appended with any contributed
 # sources to create the final library.
-lib_LTLIBRARIES = 
+lib_LTLIBRARIES =
 
 if LIBMESH_DBG_MODE
   lib_LTLIBRARIES        += libmesh_dbg.la
   libmesh_dbg_la_SOURCES  = $(libmesh_SOURCES)
-  libmesh_dbg_la_CPPFLAGS = $(CPPFLAGS_DBG) $(AM_CPPFLAGS) 
+  libmesh_dbg_la_CPPFLAGS = $(CPPFLAGS_DBG) $(AM_CPPFLAGS)
   libmesh_dbg_la_CXXFLAGS = $(CXXFLAGS_DBG)
   libmesh_dbg_la_CFLAGS   = $(CFLAGS_DBG)
   libmesh_dbg_la_LIBADD   = contrib/libcontrib_dbg.la $(LIBS)
@@ -148,7 +157,7 @@ endif
 if LIBMESH_DEVEL_MODE
   lib_LTLIBRARIES          += libmesh_devel.la
   libmesh_devel_la_SOURCES  = $(libmesh_SOURCES)
-  libmesh_devel_la_CPPFLAGS = $(CPPFLAGS_DEVEL) $(AM_CPPFLAGS) 
+  libmesh_devel_la_CPPFLAGS = $(CPPFLAGS_DEVEL) $(AM_CPPFLAGS)
   libmesh_devel_la_CXXFLAGS = $(CXXFLAGS_DEVEL)
   libmesh_devel_la_CFLAGS   = $(CFLAGS_DEVEL)
   libmesh_devel_la_LIBADD   = contrib/libcontrib_devel.la $(LIBS)
@@ -157,7 +166,7 @@ endif
 if LIBMESH_OPT_MODE
   lib_LTLIBRARIES        += libmesh_opt.la
   libmesh_opt_la_SOURCES  = $(libmesh_SOURCES)
-  libmesh_opt_la_CPPFLAGS = $(CPPFLAGS_OPT) $(AM_CPPFLAGS) 
+  libmesh_opt_la_CPPFLAGS = $(CPPFLAGS_OPT) $(AM_CPPFLAGS)
   libmesh_opt_la_CXXFLAGS = $(CXXFLAGS_OPT)
   libmesh_opt_la_CFLAGS   = $(CFLAGS_OPT)
   libmesh_opt_la_LIBADD   = contrib/libcontrib_opt.la $(LIBS)
@@ -166,7 +175,7 @@ endif
 if LIBMESH_PROF_MODE
   lib_LTLIBRARIES          += libmesh_prof.la
   libmesh_prof_la_SOURCES  = $(libmesh_SOURCES)
-  libmesh_prof_la_CPPFLAGS = $(CPPFLAGS_PROF) $(AM_CPPFLAGS) 
+  libmesh_prof_la_CPPFLAGS = $(CPPFLAGS_PROF) $(AM_CPPFLAGS)
   libmesh_prof_la_CXXFLAGS = $(CXXFLAGS_PROF)
   libmesh_prof_la_CFLAGS   = $(CFLAGS_PROF)
   libmesh_prof_la_LIBADD   = contrib/libcontrib_prof.la $(LIBS)
@@ -175,7 +184,7 @@ endif
 if LIBMESH_OPROF_MODE
   lib_LTLIBRARIES          += libmesh_oprof.la
   libmesh_oprof_la_SOURCES  = $(libmesh_SOURCES)
-  libmesh_oprof_la_CPPFLAGS = $(CPPFLAGS_OPROF) $(AM_CPPFLAGS) 
+  libmesh_oprof_la_CPPFLAGS = $(CPPFLAGS_OPROF) $(AM_CPPFLAGS)
   libmesh_oprof_la_CXXFLAGS = $(CXXFLAGS_OPROF)
   libmesh_oprof_la_CFLAGS   = $(CFLAGS_OPROF)
   libmesh_oprof_la_LIBADD   = contrib/libcontrib_oprof.la $(LIBS)
@@ -473,7 +482,7 @@ lcov_dir=$(top_builddir)/doc/lcov/html
 lcov_bin=$(top_srcdir)/contrib/lcov/lcov-1.10/bin
 
 # General philosophy is to maintain code coverage for the
-# base library as generated by "make check" tests. 
+# base library as generated by "make check" tests.
 
 lcov-report:
 	@mkdir -p $(lcov_dir)