2 eval 'exec perl -w -S $0 ${1+"$@"}' # Portability kludge
5 # config.values.sh --- create config.values.in from ../configure
7 # Author: Martin Buchholz
8 # Maintainer: Martin Buchholz
9 # Keywords: configure elisp report-xemacs-bugs
11 # This file is part of XEmacs.
13 # XEmacs is free software; you can redistribute it and/or modify it
14 # under the terms of the GNU General Public License as published by
15 # the Free Software Foundation; either version 2, or (at your option)
18 # XEmacs is distributed in the hope that it will be useful, but
19 # WITHOUT ANY WARRANTY; without even the implied warranty of
20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 # General Public License for more details.
23 # You should have received a copy of the GNU General Public License
24 # along with XEmacs; see the file COPYING. If not, write to
25 # the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
26 # Boston, MA 02111-1307, USA.
30 ## Extract all the @foo@ configuration symbols from ../configure
31 ## to make them available to elisp later (see util/config.el)
32 ## Primarily useful for creating ridiculously verbose bug reports.
34 ## See lisp/config.el, ../configure.in,
35 ## and the Autoconf documentation on AC_OUTPUT, for more details.
37 ## This script needs only to be run occasionally (before a Net release)
38 ## by an XEmacs Maintainer (consider yourself so blessed, if you are
39 ## actually reading this commentary).
42 if (! -r "./configure") {
43 chdir ".." or die "Can't chdir: $!";
44 if (! -r "./configure") {
45 die "Can't find configure!";
50 local $/ = undef; # Slurp mode
51 open (FILE, "< $_[0]") or die "$_[0]: $!";
52 my $contents = <FILE>;
53 close FILE or die "$_[0]: $!";
57 my $configure_contents = FileContents "./configure";
58 my $cvi_contents = FileContents "lib-src/config.values.in";
60 my $new_cvi_contents =
61 ";;; Do not edit this file!
62 ;;; This file was automatically generated, by the config.values.sh script,
63 ;;; from configure, which was itself automatically generated from configure.in.
65 ;;; See lisp/config.el for details on how this file is used.
67 ;;; You are trapped in a twisty maze of strange-looking files, all autogenerated...
69 ;;; configure is created, from configure.in, by autoconf
70 ;;; config.values.in is created, from configure, by config.values.sh
71 ;;; config.values is created, from config.values.in, by configure
72 ;;; config.values is read by lisp/config.el,
73 ;;; to create the (Lisp object) config-value-hash-table
75 ;;; Variables defined in configure by AC_SUBST follow:
76 ;;; (These are used in Makefiles)
81 for my $var (sort { $a cmp $b }
82 $configure_contents =~
83 /^s\%\@([A-Za-z0-9_]+)\@\%\$[A-Za-z0-9_]+\%g/mg) {
84 $new_cvi_contents .= "$var \"\@$var\@\"\n" unless exists $done{$var};
88 $new_cvi_contents .= "
89 ;;; Variables defined in configure by AC_DEFINE and AC_DEFINE_UNQUOTED follow:
90 ;;; (These are used in C code)
94 if ($cvi_contents ne $new_cvi_contents) {
95 unlink "lib-src/config.values.in";
96 open (CVI, "> lib-src/config.values.in")
97 or die "lib-src/config.values.in: $!";
98 print CVI $new_cvi_contents;
100 or die "lib-src/config.values.in: $!";