flymake-conf.el

;; flymake
(require 'flymake)
(require 'flymake-cursor)

;; for C
(add-hook 'c-mode-hook
	  '(lambda ()
	     (flymake-mode t)))

;; Use <topdir>/build/Makefile if exist (for ruby)
;; from http://www.emacswiki.org/emacs/FlyMake
(defun ac-find-configure (source-dir)
  (locate-dominating-file source-dir "configure"))

(defun ac-build-dir (source-dir)
  "find the build directory for the given source directory"
      (progn (let* (topdir (ac-find-configure source-dir))
	     (if (file-exists-p (concat topdir "build/Makefile"))
		 (concat topdir "build/")
		 source-dir))))

(defadvice flymake-find-buildfile
  (around advice-find-makefile-separate-obj-dir
	  activate compile)
  "Look for buildfile in a separate build directory"
  (let* ((source-dir (ad-get-arg 1))
	 (bld-dir (ac-build-dir source-dir)))
    (ad-set-arg 1 bld-dir)
    ad-do-it))