;; index in makefile-imenu-generic-expression.
(defvar makefile-dependency-regex
;; Allow for two nested levels $(v1:$(v2:$(v3:a=b)=c)=d)
- "^ *\\(\\(?: *\\$\\(?:[({]\\(?:\\$\\(?:[({]\\(?:\\$\\(?:[^({]\\|.[^\n$#})]+?[})]\\)\\|[^\n$#)}]\\)+?[})]\\|[^({]\\)\\|[^\n$#)}]\\)+?[})]\\|[^({]\\)\\| *[^ \n$#:=]+\\)+?\\)[ \t]*\\(:\\)\\(?:[ \t]*$\\|[^=\n]\\(?:[^#\n]*?;[ \t]*\\(.+\\)\\)?\\)"
+ "^\\(\\(?:\\$\\(?:[({]\\(?:\\$\\(?:[({]\\(?:\\$\\(?:[^({]\\|.[^\n$#})]+?[})]\\)\\|[^\n$#)}]\\)+?[})]\\|[^({]\\)\\|[^\n$#)}]\\)+?[})]\\|[^({]\\)\\|[^\n$#:=]\\)+?\\)\\(:\\)\\(?:[ \t]*$\\|[^=\n]\\(?:[^#\n]*?;[ \t]*\\(bb.+\\)\\)?\\)"
"Regex used to find dependency lines in a makefile.")
(defconst makefile-bsdmake-dependency-regex
;; that if you change this regexp you might have to fix the imenu index in
;; makefile-imenu-generic-expression.
(defconst makefile-macroassign-regex
- "^ *\\([^ \n\t][^:#= \t\n]*\\)[ \t]*\\(?:!=[ \t]*\\(\\(?:.+\\\\\n\\)*.+\\)\\|[*:+]?[:?]?=[ \t]*\\(\\(?:.*\\\\\n\\)*.*\\)\\)"
+ "^ *\\([^ \n\t][^:#= \t\n]*\\)[ \t]*\\(?:!=\\|[*:+]?[:?]?=\\)"
"Regex used to find macro assignment lines in a makefile.")
(defconst makefile-var-use-regex
(when (save-excursion
(beginning-of-line)
(looking-at makefile-dependency-regex))
+ (save-excursion
+ (let ((deps-end (match-end 1))
+ (match-data (match-data)))
+ (goto-char deps-end)
+ (skip-chars-backward " \t")
+ (setq deps-end (point))
+ (beginning-of-line)
+ (skip-chars-forward " \t")
+ ;; Alter the bounds recorded for subexp 1,
+ ;; which is what is supposed to match the targets.
+ (setcar (nthcdr 2 match-data) (point))
+ (setcar (nthcdr 3 match-data) deps-end)
+ (store-match-data match-data)))
(end-of-line)
(throw 'found (point)))))
(goto-char pt))