code.delx.au - gnu-emacs/blob - lisp/cedet/ede/pconf.el

   1 ;;; ede/pconf.el --- configure.ac maintenance for EDE
   2
   3 ;;; Copyright (C) 1998-2000, 2005, 2008-2011  Free Software Foundation, Inc.
   4
   5 ;; Author: Eric M. Ludlam <zappo@gnu.org>
   6 ;; Keywords: project
   7
   8 ;; This file is part of GNU Emacs.
   9
  10 ;; GNU Emacs is free software: you can redistribute it and/or modify
  11 ;; it under the terms of the GNU General Public License as published by
  12 ;; the Free Software Foundation, either version 3 of the License, or
  13 ;; (at your option) any later version.
  14
  15 ;; GNU Emacs is distributed in the hope that it will be useful,
  16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 ;; GNU General Public License for more details.
  19
  20 ;; You should have received a copy of the GNU General Public License
  21 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 ;;; Commentary:
  24 ;;
  25 ;; Code generator for autoconf configure.ac, and support files.
  26
  27 (require 'ede/proj)
  28 (require 'ede/autoconf-edit)
  29 (defvar compilation-in-progress)
  30
  31 (defvar ede-pconf-create-file-query 'ask
  32   "Controls if queries are made while creating project files.
  33 A value of 'ask means to always ask the user before creating
  34 a file, such as AUTHORS.  A value of 'never means don't ask, and
  35 don't do it.  A value of nil means to just do it.")
  36
  37 ;;; Code:
  38 (defmethod ede-proj-configure-file ((this ede-proj-project))
  39   "The configure.ac script used by project THIS."
  40   (ede-expand-filename (ede-toplevel this) "configure.ac" t))
  41
  42 (defmethod ede-proj-configure-test-required-file ((this ede-proj-project) file)
  43   "For project THIS, test that the file FILE exists, or create it."
  44   (let ((f (ede-expand-filename (ede-toplevel this) file t)))
  45     (when (not (file-exists-p f))
  46       (save-excursion
  47         (find-file f)
  48         (cond ((string= file "AUTHORS")
  49                (insert (user-full-name) " <" (user-login-name) ">"))
  50               ((string= file "NEWS")
  51                (insert "NEWS file for " (ede-name this)))
  52               (t (insert "\n")))
  53         (save-buffer)
  54         (when
  55             (and (eq ede-pconf-create-file-query 'ask)
  56                  (not (eq ede-pconf-create-file-query 'never))
  57                  (not (y-or-n-p
  58                        (format "I had to create the %s file for you.  Ok? " file)))
  59                  (error "Quit")))))))
  60
  61
  62 (defmethod ede-proj-configure-synchronize ((this ede-proj-project))
  63   "Synchronize what we know about project THIS into configure.ac."
  64   (let ((b (find-file-noselect (ede-proj-configure-file this)))
  65         ;;(td (file-name-directory (ede-proj-configure-file this)))
  66         (targs (oref this targets))
  67         (postcmd "")
  68         (add-missing nil))
  69     ;; First, make sure we have a file.
  70     (if (not (file-exists-p (ede-proj-configure-file this)))
  71         (autoconf-new-program b (oref this name) "Project.ede"))
  72     (set-buffer b)
  73     ;; Next, verify all targets of all subobjects.
  74     (autoconf-set-version (oref this version))
  75     (let ((top-level-project-local this))
  76       (autoconf-set-output
  77        (ede-map-all-subprojects
  78         this
  79         (lambda (sp)
  80           ;; NOTE: don't put in ./Makefile - configure complains.
  81           (let ((dir (file-name-as-directory
  82                       (directory-file-name
  83                        (ede-subproject-relative-path sp top-level-project-local)))))
  84             (when (string= dir "./") (setq dir ""))
  85             ;; Use concat, because expand-file-name removes the relativity.
  86             (concat dir "Makefile") )))))
  87     ;;
  88     ;; NOTE TO SELF.  TURN THIS INTO THE OFFICIAL LIST
  89     ;;
  90     (ede-proj-dist-makefile this)
  91     ;; Loop over all targets to clean and then add themselves in.
  92     (ede-map-all-subprojects
  93      this
  94      (lambda (sp)
  95        (ede-map-targets sp 'ede-proj-flush-autoconf)))
  96     (ede-map-all-subprojects
  97      this
  98      (lambda (sp)
  99        (ede-map-targets this 'ede-proj-tweak-autoconf)))
 100     ;; Now save
 101     (save-buffer)
 102     (setq postcmd "autoreconf -i;")
 103
 104     ;; Verify a bunch of files that are required by automake.
 105     (ede-proj-configure-test-required-file this "AUTHORS")
 106     (ede-proj-configure-test-required-file this "NEWS")
 107     (ede-proj-configure-test-required-file this "README")
 108     (ede-proj-configure-test-required-file this "ChangeLog")
 109     ;; Let specific targets get missing files.
 110     (mapc 'ede-proj-configure-create-missing targs)
 111     ;; Verify that we have a make system.
 112     (if (or (not (ede-expand-filename (ede-toplevel this) "Makefile"))
 113             ;; Now is this one of our old Makefiles?
 114             (with-current-buffer
 115                 (find-file-noselect
 116                  (ede-expand-filename (ede-toplevel this)
 117                                       "Makefile" t) t)
 118               (goto-char (point-min))
 119               ;; Here is the unique piece for our makefiles.
 120               (re-search-forward "For use with: make" nil t)))
 121         (setq postcmd (concat postcmd "./configure;")))
 122     (if (not (string= "" postcmd))
 123         (progn
 124           (compile postcmd)
 125
 126           (while compilation-in-progress
 127             (accept-process-output)
 128             ;; If sit for indicates that input is waiting, then
 129             ;; read and discard whatever it is that is going on.
 130             (when (not (sit-for 1))
 131               (read-event nil nil .1)
 132               ))
 133
 134           (with-current-buffer "*compilation*"
 135             (goto-char (point-max))
 136
 137             (when (not (string= mode-line-process ":exit [0]"))
 138               (error "Configure failed!"))
 139
 140             ;; The Makefile is now recreated by configure?
 141             (let ((b (get-file-buffer
 142                       (ede-expand-filename (ede-toplevel this)
 143                                            "Makefile" 'newfile))))
 144               ;; This makes sure that if Makefile was loaded, and old,
 145               ;; that it gets flushed so we don't keep rebuilding
 146               ;; the autoconf system.
 147               (if b (kill-buffer b))))
 148
 149           ))))
 150
 151 (defmethod ede-proj-configure-recreate ((this ede-proj-project))
 152   "Delete project THIS's configure script and start over."
 153   (if (not (ede-proj-configure-file this))
 154       (error "Could not determine configure.ac for %S" (object-name this)))
 155   (let ((b (get-file-buffer (ede-proj-configure-file this))))
 156     ;; Destroy all evidence of the old configure.ac
 157     (delete-file (ede-proj-configure-file this))
 158     (if b (kill-buffer b)))
 159   (ede-proj-configure-synchronize this))
 160
 161 (defmethod ede-proj-tweak-autoconf ((this ede-proj-target))
 162   "Tweak the configure file (current buffer) to accommodate THIS."
 163   ;; Check the compilers belonging to THIS, and call the autoconf
 164   ;; setup for those compilers.
 165   (mapc 'ede-proj-tweak-autoconf (ede-proj-compilers this))
 166   (mapc 'ede-proj-tweak-autoconf (ede-proj-linkers this))
 167   )
 168
 169 (defmethod ede-proj-flush-autoconf ((this ede-proj-target))
 170   "Flush the configure file (current buffer) to accommodate THIS.
 171 By flushing, remove any cruft that may be in the file.  Subsequent
 172 calls to `ede-proj-tweak-autoconf' can restore items removed by flush."
 173   nil)
 174
 175 (defmethod ede-proj-configure-add-missing ((this ede-proj-target))
 176   "Query if any files needed by THIS provided by automake are missing.
 177 Results in --add-missing being passed to automake."
 178   nil)
 179
 180 (defmethod ede-proj-configure-create-missing ((this ede-proj-target))
 181   "Add any missing files for THIS by creating them."
 182   nil)
 183
 184 (provide 'ede/pconf)
 185
 186 ;;; ede/pconf.el ends here