* aclocal.in: Add local variables so that Emacs setups GNU style for perl-mode and cperl-mode. * automake.in: Likewise. (WHITE_PATTERN, RULE_PATTERN, SUFFIX_RULE_PATTERN, MACRO_PATTERN, ASSIGNMENT_PATTERN, IF_PATTERN, ELSE_PATTERN, ENDIF_PATTERN, INCLUDE_PATTERN, EXEC_DIR_PATTERN): Write $ as "$" to please perl-mode.