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;;; ede/pconf.el --- configure.ac maintenance for EDE -*- lexical-binding: t; -*-
;; Copyright (C) 1998-2025 Free Software Foundation, Inc.
;; Author: Eric M. Ludlam <zappo@gnu.org>
;; Keywords: project
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Code generator for autoconf configure.ac, and support files.
(require 'ede/proj)
(require 'ede/autoconf-edit)
(defvar compilation-in-progress)
(defvar ede-pconf-create-file-query 'ask
"Controls if queries are made while creating project files.
A value of `ask' means to always ask the user before creating
a file, such as AUTHORS. A value of `never' means don't ask, and
don't do it. A value of nil means to just do it.")
;;; Code:
(cl-defmethod ede-proj-configure-file ((this ede-proj-project))
"The configure.ac script used by project THIS."
(ede-expand-filename (ede-toplevel this) "configure.ac" t))
(cl-defmethod ede-proj-configure-test-required-file ((this ede-proj-project) file)
"For project THIS, test that the file FILE exists, or create it."
(let ((f (ede-expand-filename (ede-toplevel this) file t)))
(when (not (file-exists-p f))
(save-excursion
(find-file f)
(cond ((string= file "AUTHORS")
(insert (user-full-name) " <" (user-login-name) ">"))
((string= file "NEWS")
(insert "NEWS file for " (ede-name this)))
(t (insert "\n")))
(save-buffer)
(when
(and (eq ede-pconf-create-file-query 'ask)
(not (eq ede-pconf-create-file-query 'never))
(not (y-or-n-p
(format "I had to create the %s file for you. Ok? "
file))))
(error "Quit"))))))
(cl-defmethod ede-proj-configure-synchronize ((this ede-proj-project))
"Synchronize what we know about project THIS into configure.ac."
(let ((b (find-file-noselect (ede-proj-configure-file this)))
;;(td (file-name-directory (ede-proj-configure-file this)))
(targs (oref this targets))
(postcmd "")
) ;; (add-missing nil)
;; First, make sure we have a file.
(if (not (file-exists-p (ede-proj-configure-file this)))
(autoconf-new-program b (oref this name) "Project.ede"))
(set-buffer b)
;; Next, verify all targets of all subobjects.
(autoconf-set-version (oref this version))
(let ((top-level-project-local this))
(autoconf-set-output
(ede-map-all-subprojects
this
(lambda (sp)
;; NOTE: don't put in ./Makefile - configure complains.
(let ((dir (file-name-as-directory
(directory-file-name
(ede-subproject-relative-path sp top-level-project-local)))))
(when (string= dir "./") (setq dir ""))
;; Use concat, because expand-file-name removes the relativity.
(concat dir "Makefile") )))))
;;
;; NOTE TO SELF. TURN THIS INTO THE OFFICIAL LIST
;;
(ede-proj-dist-makefile this)
;; Loop over all targets to clean and then add themselves in.
(ede-map-all-subprojects
this
(lambda (sp)
(ede-map-targets sp #'ede-proj-flush-autoconf)))
(ede-map-all-subprojects
this
(lambda (_sp)
(ede-map-targets this #'ede-proj-tweak-autoconf)))
;; Now save
(save-buffer)
(setq postcmd "autoreconf -f -i;")
;; Verify a bunch of files that are required by automake.
(ede-proj-configure-test-required-file this "AUTHORS")
(ede-proj-configure-test-required-file this "NEWS")
(ede-proj-configure-test-required-file this "README")
(ede-proj-configure-test-required-file this "ChangeLog")
;; Let specific targets get missing files.
(mapc #'ede-proj-configure-create-missing targs)
;; Verify that we have a make system.
(if (or (not (ede-expand-filename (ede-toplevel this) "Makefile"))
;; Now is this one of our old Makefiles?
(with-current-buffer
(find-file-noselect
(ede-expand-filename (ede-toplevel this)
"Makefile" t)
t)
(goto-char (point-min))
;; Here is the unique piece for our makefiles.
(re-search-forward "For use with: make" nil t)))
(setq postcmd (concat postcmd "./configure;")))
(if (not (string= "" postcmd))
(progn
(compile postcmd)
(while compilation-in-progress
(accept-process-output)
;; If sit for indicates that input is waiting, then
;; read and discard whatever it is that is going on.
(when (not (sit-for 1))
(read-event nil nil .1)
))
(with-current-buffer "*compilation*"
(goto-char (point-max))
;; FIXME: Use `compilation-finish-functions' or similar to
;; avoid relying on exact format of `mode-line-process'.
(when (not (string= (car mode-line-process) ":exit [0]"))
(error "Configure failed!"))
;; The Makefile is now recreated by configure?
(let ((b (get-file-buffer
(ede-expand-filename (ede-toplevel this)
"Makefile" 'newfile))))
;; This makes sure that if Makefile was loaded, and old,
;; that it gets flushed so we don't keep rebuilding
;; the autoconf system.
(if b (kill-buffer b))))
))))
(cl-defmethod ede-proj-configure-recreate ((this ede-proj-project))
"Delete project THIS's configure script and start over."
(if (not (ede-proj-configure-file this))
(error "Could not determine configure.ac for %S" (eieio-object-name this)))
(let ((b (get-file-buffer (ede-proj-configure-file this))))
;; Destroy all evidence of the old configure.ac
(delete-file (ede-proj-configure-file this))
(if b (kill-buffer b)))
(ede-proj-configure-synchronize this))
(cl-defmethod ede-proj-tweak-autoconf ((this ede-proj-target))
"Tweak the configure file (current buffer) to accommodate THIS."
;; Check the compilers belonging to THIS, and call the autoconf
;; setup for those compilers.
(mapc #'ede-proj-tweak-autoconf (ede-proj-compilers this))
(mapc #'ede-proj-tweak-autoconf (ede-proj-linkers this))
)
(cl-defmethod ede-proj-flush-autoconf ((_this ede-proj-target))
"Flush the configure file (current buffer) to accommodate THIS.
By flushing, remove any cruft that may be in the file. Subsequent
calls to `ede-proj-tweak-autoconf' can restore items removed by flush."
nil)
;; @TODO - No-one calls this ???
(cl-defmethod ede-proj-configure-add-missing ((_this ede-proj-target))
"Query if any files needed by THIS provided by automake are missing.
Results in --add-missing being passed to automake."
nil)
;; @TODO - No-one implements this yet.
(cl-defmethod ede-proj-configure-create-missing ((_this ede-proj-target))
"Add any missing files for THIS by creating them."
nil)
(provide 'ede/pconf)
;;; ede/pconf.el ends here
|
