diff -r 9587cf641288 -r 4c92e9fc2efd .emacs-my
--- a/.emacs-my	Thu Jan 26 17:33:34 2017 +0200
+++ b/.emacs-my	Thu Jan 26 20:01:50 2017 +0200
@@ -1126,6 +1126,23 @@
 (when (featurep 'company)
   (push #'my/company-filter-out-numbers company-transformers))
 
+(defun company-executable (command &optional arg &rest ignored)
+  "Company completion for executable in PATH."
+  (interactive (list 'interactive))
+  (cl-case command
+    (interactive (company-begin-backend 'company-executable))
+    (prefix (thing-at-point 'filename))
+    (candidates (locate-file-completion-table exec-path exec-suffixes (thing-at-point 'filename) 'identity t))))
+
+(defun my/company-text-setup ()
+  (setq-local company-backends '((company-dabbrev company-files)))
+  (company-mode 1))
+
+(defun my/company-code-setup ()
+  (setq-local company-dabbrev-code-other-buffers 'code)
+  (setq-local company-backends '((company-capf company-dabbrev-code company-files)))
+  (company-mode 1))
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 (message "bookmark")
 
@@ -2339,6 +2356,9 @@
 (mapc (lambda (mode) (add-hook (my-mode2hook mode) #'hs-minor-mode))
       '(c-mode c++-mode java-mode js-mode lisp-mode emacs-lisp-mode))
 
+(when (featurep 'company)
+  (add-hook 'prog-mode-hook #'my/company-code-setup))
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 (message "diff, patch, ediff, emerge")
 
@@ -2703,6 +2723,20 @@
 
 (add-to-list 'auto-mode-alist '("\\(Makefile\\|Makefile\\..+\\)\\'" . makefile-gmake-mode) t)
 
+(defun my/makefile-setup ()
+  (add-hook 'completion-at-point-functions 'comint-filename-completion nil t))
+
+(add-hook 'makefile-mode-hook #'my/makefile-setup)
+
+(defun my/makefile-company-setup ()
+  "Limit search for symbols to Makefiles."
+  (setq-local company-dabbrev-code-other-buffers t)
+  (setq-local company-backends '((company-capf company-dabbrev-code company-files company-executable)))
+  (company-mode 1))
+
+(when (featurep 'company)
+  (add-hook 'makefile-mode-hook #'my/makefile-company-setup))
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 (message "asm, assembler")
 
@@ -3373,10 +3407,8 @@
 (add-to-list 'auto-mode-alist '("\\.cygport\\'" . shell-script-mode))
 
 (defun my/sh-company-setup ()
-  (make-local-variable 'company-backends)
-  (setq company-backends '((company-capf company-files company-dabbrev-code)))
-  (make-local-variable 'company-dabbrev-code-other-buffers)
-  (setq company-dabbrev-code-other-buffers t)
+  (setq-local company-backends '((company-capf company-files company-dabbrev-code)))
+  (setq-local company-dabbrev-code-other-buffers t)
   (company-mode 1))
 
 (when (featurep 'company)