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build: Set DOT_USER_PROGRAM for Emacs interface.

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Suggested by Ludovic Courtès <ludo@gnu.org>.

* configure.ac: Set DOT_USER_PROGRAM variable.
* emacs/guix-config.el.in (guix-config-dot-program): New constant.
* emacs/guix-external.el (guix-dot-program): Use it.
This commit is contained in:
Alex Kost 2015-10-16 20:34:32 +03:00
parent cbe9505778
commit 51805219a5
3 changed files with 11 additions and 1 deletions
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1
configure.ac
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@ -206,6 +206,7 @@ AC_CONFIG_FILES([pre-inst-env], [chmod +x pre-inst-env])
AC_CONFIG_FILES([test-env], [chmod +x test-env]) AC_CONFIG_FILES([test-env], [chmod +x test-env])
dnl Emacs interface. dnl Emacs interface.
AC_PATH_PROG([DOT_USER_PROGRAM], [dot], [dot])
AM_PATH_LISPDIR AM_PATH_LISPDIR
AM_CONDITIONAL([HAVE_EMACS], [test "x$EMACS" != "xno"]) AM_CONDITIONAL([HAVE_EMACS], [test "x$EMACS" != "xno"])

4
emacs/guix-config.el.in
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@ -1,6 +1,7 @@
;;; guix-config.el --- Compile-time configuration of Guix. ;;; guix-config.el --- Compile-time configuration of Guix.
;; Copyright © 2015 Mathieu Lirzin <mthl@openmailbox.org> ;; Copyright © 2015 Mathieu Lirzin <mthl@openmailbox.org>
;; Copyright © 2015 Alex Kost <alezost@gmail.com>
;; This file is part of GNU Guix. ;; This file is part of GNU Guix.
@ -35,6 +36,9 @@ strings of the form:
Where ARGS is a list of arguments to the guile program.") Where ARGS is a list of arguments to the guile program.")
(defconst guix-config-dot-program "@DOT_USER_PROGRAM@"
"Name of the 'dot' executable defined at configure time.")
(provide 'guix-config) (provide 'guix-config)
;;; guix-config.el ends here ;;; guix-config.el ends here

7
emacs/guix-external.el
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@ -23,11 +23,16 @@
;;; Code: ;;; Code:
(require 'guix-config)
(defgroup guix-external nil (defgroup guix-external nil
"Settings for external programs." "Settings for external programs."
:group 'guix) :group 'guix)
(defcustom guix-dot-program (executable-find "dot") (defcustom guix-dot-program
(if (file-name-absolute-p guix-config-dot-program)
guix-config-dot-program
(executable-find "dot"))
"Name of the 'dot' executable." "Name of the 'dot' executable."
:type 'string :type 'string
:group 'guix-external) :group 'guix-external)