sed_remove_make_variables='s,[$]([A-Za-z0-9_]*),,g'
# Extract the value of "CLEANFILES += ..." and "MOSTLYCLEANFILES += ...".
cleaned_files=`sed -e "$sed_remove_backslash_newline" < "$testdir/$sourcebase/Makefile.am" \
sed_remove_make_variables='s,[$]([A-Za-z0-9_]*),,g'
# Extract the value of "CLEANFILES += ..." and "MOSTLYCLEANFILES += ...".
cleaned_files=`sed -e "$sed_remove_backslash_newline" < "$testdir/$sourcebase/Makefile.am" \