lisp/cedet/ede/pconf.el

   1 ;;; ede/pconf.el --- configure.ac maintenance for EDE
   2
   3 ;;; Copyright (C) 1998-2000, 2005, 2008-2014 Free Software Foundation,
   4 ;;; Inc.
   5
   6 ;; Author: Eric M. Ludlam <zappo@gnu.org>
   7 ;; Keywords: project
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 ;;; Commentary:
  25 ;;
  26 ;; Code generator for autoconf configure.ac, and support files.
  27
  28 (require 'ede/proj)
  29 (require 'ede/autoconf-edit)
  30 (defvar compilation-in-progress)
  31
  32 (defvar ede-pconf-create-file-query 'ask
  33   "Controls if queries are made while creating project files.
  34 A value of 'ask means to always ask the user before creating
  35 a file, such as AUTHORS.  A value of 'never means don't ask, and
  36 don't do it.  A value of nil means to just do it.")
  37
  38 ;;; Code:
  39 (defmethod ede-proj-configure-file ((this ede-proj-project))
  40   "The configure.ac script used by project THIS."
  41   (ede-expand-filename (ede-toplevel this) "configure.ac" t))
  42
  43 (defmethod ede-proj-configure-test-required-file ((this ede-proj-project) file)
  44   "For project THIS, test that the file FILE exists, or create it."
  45   (let ((f (ede-expand-filename (ede-toplevel this) file t)))
  46     (when (not (file-exists-p f))
  47       (save-excursion
  48         (find-file f)
  49         (cond ((string= file "AUTHORS")
  50                (insert (user-full-name) " <" (user-login-name) ">"))
  51               ((string= file "NEWS")
  52                (insert "NEWS file for " (ede-name this)))
  53               (t (insert "\n")))
  54         (save-buffer)
  55         (when
  56             (and (eq ede-pconf-create-file-query 'ask)
  57                  (not (eq ede-pconf-create-file-query 'never))
  58                  (not (y-or-n-p
  59                        (format "I had to create the %s file for you.  Ok? " file)))
  60                  (error "Quit")))))))
  61
  62
  63 (defmethod ede-proj-configure-synchronize ((this ede-proj-project))
  64   "Synchronize what we know about project THIS into configure.ac."
  65   (let ((b (find-file-noselect (ede-proj-configure-file this)))
  66         ;;(td (file-name-directory (ede-proj-configure-file this)))
  67         (targs (oref this targets))
  68         (postcmd "")
  69         (add-missing nil))
  70     ;; First, make sure we have a file.
  71     (if (not (file-exists-p (ede-proj-configure-file this)))
  72         (autoconf-new-program b (oref this name) "Project.ede"))
  73     (set-buffer b)
  74     ;; Next, verify all targets of all subobjects.
  75     (autoconf-set-version (oref this version))
  76     (let ((top-level-project-local this))
  77       (autoconf-set-output
  78        (ede-map-all-subprojects
  79         this
  80         (lambda (sp)
  81           ;; NOTE: don't put in ./Makefile - configure complains.
  82           (let ((dir (file-name-as-directory
  83                       (directory-file-name
  84                        (ede-subproject-relative-path sp top-level-project-local)))))
  85             (when (string= dir "./") (setq dir ""))
  86             ;; Use concat, because expand-file-name removes the relativity.
  87             (concat dir "Makefile") )))))
  88     ;;
  89     ;; NOTE TO SELF.  TURN THIS INTO THE OFFICIAL LIST
  90     ;;
  91     (ede-proj-dist-makefile this)
  92     ;; Loop over all targets to clean and then add themselves in.
  93     (ede-map-all-subprojects
  94      this
  95      (lambda (sp)
  96        (ede-map-targets sp 'ede-proj-flush-autoconf)))
  97     (ede-map-all-subprojects
  98      this
  99      (lambda (sp)
 100        (ede-map-targets this 'ede-proj-tweak-autoconf)))
 101     ;; Now save
 102     (save-buffer)
 103     (setq postcmd "autoreconf -i;")
 104
 105     ;; Verify a bunch of files that are required by automake.
 106     (ede-proj-configure-test-required-file this "AUTHORS")
 107     (ede-proj-configure-test-required-file this "NEWS")
 108     (ede-proj-configure-test-required-file this "README")
 109     (ede-proj-configure-test-required-file this "ChangeLog")
 110     ;; Let specific targets get missing files.
 111     (mapc 'ede-proj-configure-create-missing targs)
 112     ;; Verify that we have a make system.
 113     (if (or (not (ede-expand-filename (ede-toplevel this) "Makefile"))
 114             ;; Now is this one of our old Makefiles?
 115             (with-current-buffer
 116                 (find-file-noselect
 117                  (ede-expand-filename (ede-toplevel this)
 118                                       "Makefile" t) t)
 119               (goto-char (point-min))
 120               ;; Here is the unique piece for our makefiles.
 121               (re-search-forward "For use with: make" nil t)))
 122         (setq postcmd (concat postcmd "./configure;")))
 123     (if (not (string= "" postcmd))
 124         (progn
 125           (compile postcmd)
 126
 127           (while compilation-in-progress
 128             (accept-process-output)
 129             ;; If sit for indicates that input is waiting, then
 130             ;; read and discard whatever it is that is going on.
 131             (when (not (sit-for 1))
 132               (read-event nil nil .1)
 133               ))
 134
 135           (with-current-buffer "*compilation*"
 136             (goto-char (point-max))
 137
 138             (when (not (string= mode-line-process ":exit [0]"))
 139               (error "Configure failed!"))
 140
 141             ;; The Makefile is now recreated by configure?
 142             (let ((b (get-file-buffer
 143                       (ede-expand-filename (ede-toplevel this)
 144                                            "Makefile" 'newfile))))
 145               ;; This makes sure that if Makefile was loaded, and old,
 146               ;; that it gets flushed so we don't keep rebuilding
 147               ;; the autoconf system.
 148               (if b (kill-buffer b))))
 149
 150           ))))
 151
 152 (defmethod ede-proj-configure-recreate ((this ede-proj-project))
 153   "Delete project THIS's configure script and start over."
 154   (if (not (ede-proj-configure-file this))
 155       (error "Could not determine configure.ac for %S" (eieio-object-name this)))
 156   (let ((b (get-file-buffer (ede-proj-configure-file this))))
 157     ;; Destroy all evidence of the old configure.ac
 158     (delete-file (ede-proj-configure-file this))
 159     (if b (kill-buffer b)))
 160   (ede-proj-configure-synchronize this))
 161
 162 (defmethod ede-proj-tweak-autoconf ((this ede-proj-target))
 163   "Tweak the configure file (current buffer) to accommodate THIS."
 164   ;; Check the compilers belonging to THIS, and call the autoconf
 165   ;; setup for those compilers.
 166   (mapc 'ede-proj-tweak-autoconf (ede-proj-compilers this))
 167   (mapc 'ede-proj-tweak-autoconf (ede-proj-linkers this))
 168   )
 169
 170 (defmethod ede-proj-flush-autoconf ((this ede-proj-target))
 171   "Flush the configure file (current buffer) to accommodate THIS.
 172 By flushing, remove any cruft that may be in the file.  Subsequent
 173 calls to `ede-proj-tweak-autoconf' can restore items removed by flush."
 174   nil)
 175
 176 (defmethod ede-proj-configure-add-missing ((this ede-proj-target))
 177   "Query if any files needed by THIS provided by automake are missing.
 178 Results in --add-missing being passed to automake."
 179   nil)
 180
 181 (defmethod ede-proj-configure-create-missing ((this ede-proj-target))
 182   "Add any missing files for THIS by creating them."
 183   nil)
 184
 185 (provide 'ede/pconf)
 186
 187 ;;; ede/pconf.el ends here