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;;; pg-init.el --- Init file used for compatibility with package.el and ELPA -*- lexical-binding: t; -*-
;; This file is part of Proof General.
;; Portions © Copyright 1994-2012 David Aspinall and University of Edinburgh
;; Portions © Copyright 2003, 2012, 2014 Free Software Foundation, Inc.
;; Portions © Copyright 2001-2017 Pierre Courtieu
;; Portions © Copyright 2010, 2016 Erik Martin-Dorel
;; Portions © Copyright 2011-2013, 2016-2017 Hendrik Tews
;; Portions © Copyright 2015-2017 Clément Pit-Claudel
;; Author: Clément Pit-Claudel <clement.pitclaudel@live.com>
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Proof General's initialization code (in generic/proof-site) is relatively
;; complex, in part because it was written before package.el existed, and in
;; part because package.el still doesn't look for autoloads in subdirectories.
;; This file is a thin, package.el-friendly wrapper around generic/proof-site,
;; suitable for execution on Emacs start-up. It serves two purposes:
;;
;; * Setting up the load path when byte-compiling PG.
;; * Loading a minimal PG setup on startup (not all of Proof General, of course;
;; mostly mode hooks and autoloads).
;;; Code:
;;;###autoload
(eval-and-compile
(defvar pg-init--script-full-path
(or (and load-in-progress load-file-name)
(bound-and-true-p byte-compile-current-file)
(buffer-file-name)))
(defvar pg-init--pg-root
(file-name-directory pg-init--script-full-path)))
;;;###autoload
(unless (bound-and-true-p byte-compile-current-file)
;; This require breaks compilation, so it must only run when loading the package.
(require 'proof-site (expand-file-name "generic/proof-site" pg-init--pg-root)))
(eval-when-compile
(let ((byte-compile-directories
'("generic" "lib"
"coq" "easycrypt" "pghaskell" "pgocaml" "pgshell" "phox")))
(dolist (dir byte-compile-directories)
(add-to-list 'load-path (expand-file-name dir pg-init--pg-root)))))
(provide 'pg-init)
;;; pg-init.el ends here
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