Since initial (serial 1) posting, elisp.m4 has accrued two more revisions:
dnl History dnl - 1 -- initial release dnl - 2 -- send ‘$EMACS --batch’ out and err to config.log dnl - 3 -- new macro: ELISP_CHECK_FEATURE Here is serial 3:
dnl elisp.m4 --- discover Emacs reality w/ Emacs Lisp dnl serial 3 dnl Copyright (C) 2016 Thien-Thi Nguyen dnl dnl This file is part of EDB. dnl dnl EDB is free software; you can redistribute it and/or modify it under dnl the terms of the GNU General Public License as published by the Free dnl Software Foundation; either version 3, or (at your option) any later dnl version. dnl dnl EDB is distributed in the hope that it will be useful, but WITHOUT dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License dnl for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with EDB. If not, see <http://www.gnu.org/licenses/>. dnl Commentary: dnl This is a simple library to check the Emacs reality by way dnl of Emacs Lisp forms evaluated under ‘$EMACS --batch -Q’. dnl "Exported" (user-facing) macros are named w/ prefix "ELISP_": dnl ELISP_CONFIG_FILE dnl ELISP_CHECK dnl ELISP_CHECK_FEATURE dnl ELISP_CHECK_FBOUNDP dnl ELISP_CHECK_BOUNDP dnl Internal macros have prefix "_ELISP_" (for actions) dnl or "__ELISP_" (for state, like filenames, and so on). dnl dnl TODO: dnl - Add error checking (see FIXME below). dnl - Validate m4 mumblings -- is this the right crazy?! dnl - Add ELISP_CONFIG_VAR as alternate to ELISP_CONFIG_FILE. dnl - Add customization of $EMACS invocation. dnl - Contribute to Autoconf Archive. dnl Code: AC_DEFUN([ELISP_CONFIG_FILE],[dnl dnl 1 -- relative filename (from ‘top_srcdir’) m4_define([__ELISP_CONFIG_FILENAME],[$1])dnl ])dnl AC_DEFUN([_ELISP_PREP],[dnl AS_IF([AS_VAR_TEST_SET([EMACS])],,dnl [AC_MSG_ERROR([No value for EMACS])]) dnl FIXME: Check at autoconf-time that __ELISP_CONFIG_FILENAME is set. dnl (If not, or if the value is unsuitable, throw fatal error.) rm -f __ELISP_CONFIG_FILENAME touch __ELISP_CONFIG_FILENAME ])dnl AC_DEFUN([ELISP_CHECK],[dnl dnl 1 -- Emacs Lisp symbol to add to config file if "success" dnl 2 -- description dnl 3 -- Emacs Lisp body (zero or more forms) dnl 4 -- Emacs Lisp expression for "success" AC_REQUIRE([_ELISP_PREP])dnl AS_VAR_PUSHDEF([CV],[edb_cv_$1])dnl AC_CACHE_CHECK([$2],[CV],[dnl cat >conftest.el <<__ELISP_EOF $3 (kill-emacs (if $4 0 1)) __ELISP_EOF AS_IF([$EMACS --batch -Q -l conftest.el 1>&5 2>&5],[CV=yes],[CV=no])]) AS_IF([test yes = $[]CV],[echo "$1" >> __ELISP_CONFIG_FILENAME]) AS_VAR_POPDEF([CV])dnl ])dnl AC_DEFUN([ELISP_CHECK_FEATURE],[dnl dnl 1 -- Emacs Lisp symbol (a feature name) AC_REQUIRE([_ELISP_PREP])dnl ELISP_CHECK([featurep-$1],[if $EMACS supports feature ‘$1’],[dnl (require (quote $1)) ],[dnl (featurep (quote $1)) ])]) AC_DEFUN([ELISP_CHECK_FBOUNDP],[dnl dnl 1 -- Emacs Lisp symbol dnl 2 -- (optional) space-separated list of features to ‘require’ ELISP_CHECK([$1],[if ‘$1’ is defined],[dnl m4_foreach([FEATURE],m4_split(m4_normalize($2)),[dnl (require 'FEATURE) ])],[(fboundp '$1)])])dnl AC_DEFUN([ELISP_CHECK_BOUNDP],[dnl dnl 1 -- Emacs Lisp symbol dnl 2 -- (optional) space-separated list of features to ‘require’ ELISP_CHECK([$1],[if ‘$1’ is defined],[dnl m4_foreach([FEATURE],m4_split(m4_normalize($2)),[dnl (require 'FEATURE) ])],[(boundp '$1)])])dnl dnl History dnl - 1 -- initial release dnl - 2 -- send ‘$EMACS --batch’ out and err to config.log dnl - 3 -- new macro: ELISP_CHECK_FEATURE dnl Local variables: dnl mode: autoconf dnl End: dnl elisp.m4 ends here
The announcement for EDB 1.32 is stuck in the queue it seems. Gist: Please see <http://www.gnuvola.org/software/edb/>. -- Thien-Thi Nguyen ----------------------------------------------- (defun responsep (query) (pcase (context query) (`(technical mailing-list) t) ...)) 748E A0E8 1CB8 A748 9BFA --------------------------------------- 6CE4 6703 2224 4C80 7502
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