194 lines
7.1 KiB
EmacsLisp
194 lines
7.1 KiB
EmacsLisp
;;; ede/pconf.el --- configure.ac maintenance for EDE -*- lexical-binding: t; -*-
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;; Copyright (C) 1998-2024 Free Software Foundation, Inc.
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;; Author: Eric M. Ludlam <zappo@gnu.org>
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;; Keywords: project
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;
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;; Code generator for autoconf configure.ac, and support files.
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(require 'ede/proj)
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(require 'ede/autoconf-edit)
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(defvar compilation-in-progress)
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(defvar ede-pconf-create-file-query 'ask
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"Controls if queries are made while creating project files.
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A value of `ask' means to always ask the user before creating
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a file, such as AUTHORS. A value of `never' means don't ask, and
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don't do it. A value of nil means to just do it.")
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;;; Code:
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(cl-defmethod ede-proj-configure-file ((this ede-proj-project))
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"The configure.ac script used by project THIS."
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(ede-expand-filename (ede-toplevel this) "configure.ac" t))
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(cl-defmethod ede-proj-configure-test-required-file ((this ede-proj-project) file)
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"For project THIS, test that the file FILE exists, or create it."
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(let ((f (ede-expand-filename (ede-toplevel this) file t)))
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(when (not (file-exists-p f))
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(save-excursion
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(find-file f)
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(cond ((string= file "AUTHORS")
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(insert (user-full-name) " <" (user-login-name) ">"))
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((string= file "NEWS")
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(insert "NEWS file for " (ede-name this)))
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(t (insert "\n")))
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(save-buffer)
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(when
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(and (eq ede-pconf-create-file-query 'ask)
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(not (eq ede-pconf-create-file-query 'never))
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(not (y-or-n-p
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(format "I had to create the %s file for you. Ok? "
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file))))
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(error "Quit"))))))
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(cl-defmethod ede-proj-configure-synchronize ((this ede-proj-project))
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"Synchronize what we know about project THIS into configure.ac."
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(let ((b (find-file-noselect (ede-proj-configure-file this)))
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;;(td (file-name-directory (ede-proj-configure-file this)))
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(targs (oref this targets))
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(postcmd "")
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) ;; (add-missing nil)
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;; First, make sure we have a file.
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(if (not (file-exists-p (ede-proj-configure-file this)))
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(autoconf-new-program b (oref this name) "Project.ede"))
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(set-buffer b)
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;; Next, verify all targets of all subobjects.
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(autoconf-set-version (oref this version))
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(let ((top-level-project-local this))
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(autoconf-set-output
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(ede-map-all-subprojects
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this
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(lambda (sp)
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;; NOTE: don't put in ./Makefile - configure complains.
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(let ((dir (file-name-as-directory
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(directory-file-name
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(ede-subproject-relative-path sp top-level-project-local)))))
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(when (string= dir "./") (setq dir ""))
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;; Use concat, because expand-file-name removes the relativity.
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(concat dir "Makefile") )))))
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;;
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;; NOTE TO SELF. TURN THIS INTO THE OFFICIAL LIST
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;;
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(ede-proj-dist-makefile this)
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;; Loop over all targets to clean and then add themselves in.
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(ede-map-all-subprojects
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this
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(lambda (sp)
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(ede-map-targets sp #'ede-proj-flush-autoconf)))
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(ede-map-all-subprojects
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this
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(lambda (_sp)
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(ede-map-targets this #'ede-proj-tweak-autoconf)))
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;; Now save
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(save-buffer)
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(setq postcmd "autoreconf -f -i;")
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;; Verify a bunch of files that are required by automake.
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(ede-proj-configure-test-required-file this "AUTHORS")
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(ede-proj-configure-test-required-file this "NEWS")
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(ede-proj-configure-test-required-file this "README")
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(ede-proj-configure-test-required-file this "ChangeLog")
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;; Let specific targets get missing files.
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(mapc #'ede-proj-configure-create-missing targs)
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;; Verify that we have a make system.
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(if (or (not (ede-expand-filename (ede-toplevel this) "Makefile"))
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;; Now is this one of our old Makefiles?
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(with-current-buffer
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(find-file-noselect
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(ede-expand-filename (ede-toplevel this)
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"Makefile" t)
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t)
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(goto-char (point-min))
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;; Here is the unique piece for our makefiles.
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(re-search-forward "For use with: make" nil t)))
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(setq postcmd (concat postcmd "./configure;")))
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(if (not (string= "" postcmd))
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(progn
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(compile postcmd)
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(while compilation-in-progress
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(accept-process-output)
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;; If sit for indicates that input is waiting, then
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;; read and discard whatever it is that is going on.
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(when (not (sit-for 1))
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(read-event nil nil .1)
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))
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(with-current-buffer "*compilation*"
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(goto-char (point-max))
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;; FIXME: Use `compilation-finish-functions' or similar to
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;; avoid relying on exact format of `mode-line-process'.
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(when (not (string= (car mode-line-process) ":exit [0]"))
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(error "Configure failed!"))
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;; The Makefile is now recreated by configure?
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(let ((b (get-file-buffer
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(ede-expand-filename (ede-toplevel this)
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"Makefile" 'newfile))))
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;; This makes sure that if Makefile was loaded, and old,
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;; that it gets flushed so we don't keep rebuilding
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;; the autoconf system.
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(if b (kill-buffer b))))
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))))
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(cl-defmethod ede-proj-configure-recreate ((this ede-proj-project))
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"Delete project THIS's configure script and start over."
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(if (not (ede-proj-configure-file this))
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(error "Could not determine configure.ac for %S" (eieio-object-name this)))
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(let ((b (get-file-buffer (ede-proj-configure-file this))))
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;; Destroy all evidence of the old configure.ac
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(delete-file (ede-proj-configure-file this))
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(if b (kill-buffer b)))
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(ede-proj-configure-synchronize this))
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(cl-defmethod ede-proj-tweak-autoconf ((this ede-proj-target))
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"Tweak the configure file (current buffer) to accommodate THIS."
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;; Check the compilers belonging to THIS, and call the autoconf
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;; setup for those compilers.
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(mapc #'ede-proj-tweak-autoconf (ede-proj-compilers this))
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(mapc #'ede-proj-tweak-autoconf (ede-proj-linkers this))
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)
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(cl-defmethod ede-proj-flush-autoconf ((_this ede-proj-target))
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"Flush the configure file (current buffer) to accommodate THIS.
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By flushing, remove any cruft that may be in the file. Subsequent
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calls to `ede-proj-tweak-autoconf' can restore items removed by flush."
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nil)
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;; @TODO - No-one calls this ???
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(cl-defmethod ede-proj-configure-add-missing ((_this ede-proj-target))
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"Query if any files needed by THIS provided by automake are missing.
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Results in --add-missing being passed to automake."
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nil)
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;; @TODO - No-one implements this yet.
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(cl-defmethod ede-proj-configure-create-missing ((_this ede-proj-target))
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"Add any missing files for THIS by creating them."
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nil)
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(provide 'ede/pconf)
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;;; ede/pconf.el ends here
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