Added gtags support to drupal-mode.

`gtags-rootdir' is set to drupal-rootdir if gtags is loaded.

Author: arnested

drupal-mode.el

@@ -307,6 +307,7 @@ mode-hook, i.e.
 
 ;; Load support for various Emacs features if necessary.
 (eval-after-load 'etags '(require 'drupal/etags))
+(eval-after-load 'gtags '(require 'drupal/gtags))
 
 
 

drupal/gtags.el

@@ -0,0 +1,20 @@
+;;; drupal/gtags.el --- Drupal-mode support for gtags
+
+;;; Commentary:
+
+;; Enable drupal-mode support for gtags.
+
+;;; Code:
+
+(defun drupal/gtags-enable ()
+  "Setup rootdir for gtags to be DRUPAL_ROOT."
+  (when (boundp 'drupal-root)
+    (setq gtags-rootdir drupal-root)))
+
+(add-hook 'drupal-mode-hook 'drupal/gtags-enable)
+
+
+
+(provide 'drupal/gtags)
+
+;;; drupal/gtags.el ends here