fromdos consistency for removing CR

Also fix mistakenly named todos which should be fromdos.
tr is used as it is always available and unfortunately
common.mk is not currently setup to use configure.ac output.

Examples/test-suite/common.mk

@@ -74,6 +74,9 @@ SCRIPTDIR  = $(srcdir)
 # This can be set to ":" on make command line to suppress progress messages.
 ECHO_PROGRESS := echo
 
+# Portable dos2unix / fromdos for stripping CR
+FROMDOS    = tr -d '\r'
+
 # Regenerate Makefile if Makefile.in or config.status have changed.
 Makefile: $(srcdir)/Makefile.in ../../../config.status
 	cd ../../../ && $(SHELL) ./config.status $(EXAMPLES)/$(TEST_SUITE)/$(LANGUAGE)/Makefile
@@ -969,8 +972,7 @@ swig_and_compile_c =  \
 	$(LANGUAGE)$(VARIANT)
 
 swig_and_compile_multi_cpp = \
-	for f in `cat $(top_srcdir)/$(EXAMPLES)/$(TEST_SUITE)/$*.list` ; do \
-	  f=`printf $${f} | grep -v '^$$'`; \
+	for f in `cat $(top_srcdir)/$(EXAMPLES)/$(TEST_SUITE)/$*.list | $(FROMDOS)` ; do \
 	  $(call swig_and_compile_cpp_helper,$${f},'$(SWIGOPT)'); \
 	done
 

Examples/test-suite/errors/Makefile.in

@@ -54,22 +54,21 @@ $(DOXYGEN_ERROR_TEST_CASES): SWIGOPT += -doxygen
 MODULE_OPTION=-module $*
 nomodule.ctest: MODULE_OPTION =
 
-# Portable dos2unix / todos for stripping CR
-TODOS        = tr -d '\r'
-#TODOS        = sed -e 's/\r$$//' # On Mac OS X behaves as if written 's/r$$//'
+# Portable dos2unix / fromdos for stripping CR
+FROMDOS       = tr -d '\r'
 
 # strip source directory from output, so that diffs compare
 STRIP_SRCDIR = sed -e 's|\\|/|g' -e 's|^$(SRCDIR)||'
 
 # Rules for the different types of tests
 %.cpptest:
 	echo "$(ACTION)ing errors testcase $*"
-	-$(SWIGINVOKE) -c++ -python -Wall -Fstandard $(MODULE_OPTION) $(SWIGOPT) $(SRCDIR)$*.i 2>&1 | $(TODOS) | $(STRIP_SRCDIR) > $*.$(ERROR_EXT)
+	-$(SWIGINVOKE) -c++ -python -Wall -Fstandard $(MODULE_OPTION) $(SWIGOPT) $(SRCDIR)$*.i 2>&1 | $(FROMDOS) | $(STRIP_SRCDIR) > $*.$(ERROR_EXT)
 	$(COMPILETOOL) diff -c $(SRCDIR)$*.stderr $*.$(ERROR_EXT)
 
 %.ctest:
 	echo "$(ACTION)ing errors testcase $*"
-	-$(SWIGINVOKE) -python -Wall -Fstandard $(MODULE_OPTION) $(SWIGOPT) $(SRCDIR)$*.i 2>&1 | $(TODOS) | $(STRIP_SRCDIR) > $*.$(ERROR_EXT)
+	-$(SWIGINVOKE) -python -Wall -Fstandard $(MODULE_OPTION) $(SWIGOPT) $(SRCDIR)$*.i 2>&1 | $(FROMDOS) | $(STRIP_SRCDIR) > $*.$(ERROR_EXT)
 	$(COMPILETOOL) diff -c $(SRCDIR)$*.stderr $*.$(ERROR_EXT)
 
 %.clean: