2 # Process this file with autoconf to produce a configure script.
4 # Copyright (C) 1992, 1993, 1994, 1995, 1999, 2000, 2001, 2002, 2003,
5 # 2004 Free Software Foundation, Inc.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
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19 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 # We need AC_CONFIG_TESTDIR.
25 AC_INIT([GNU Autoconf], [2.59c], [bug-autoconf@gnu.org])
26 AC_SUBST([PACKAGE_NAME])dnl
27 AC_CONFIG_SRCDIR([ChangeLog])
29 AC_CONFIG_AUX_DIR([config])
30 AC_CONFIG_FILES([config/Makefile])
32 AM_INIT_AUTOMAKE([check-news 1.7.9 dist-bzip2 readme-alpha])
34 # We use `/bin/sh -n script' to check that there are no syntax errors
35 # in the scripts. Although incredible, there are /bin/sh that go into
36 # endless loops with `-n', e.g., SunOS's:
39 # SunOS ondine 4.1.3 2 sun4m unknown
46 # $ time sh endless.sh
47 # sh endless.sh 0,02s user 0,03s system 78% cpu 0,064 total
48 # $ time sh -nx endless.sh
49 # ^Csh -nx endless.sh 3,67s user 0,03s system 63% cpu 5,868 total
51 # So before using `/bin/sh -n' to check our scripts, we first check
52 # that `/bin/sh -n' is not broken to death.
54 # A script that never returns. We don't care that it never returns,
55 # broken /bin/sh loop equally with `false', but it makes it easier to
56 # test the robustness in a good environment: just remove the `-n'.
57 AC_CACHE_CHECK([whether sh -n works], ac_cv_sh_n_works,
58 [cat > conftest.sh <<_CONFEOF_
65 (/bin/sh -n conftest.sh) &
67 if kill $! >/dev/null 2>&1; then
68 # We managed to kill the child, which means that we probably
69 # can't trust `/bin/sh -n', hence the test failed.
76 AC_SUBST(ac_cv_sh_n_works)
78 # Initialize the test suite.
79 AC_CONFIG_TESTDIR([tests])
80 AC_CONFIG_FILES([tests/Makefile tests/atlocal])
81 AC_PATH_PROG([EXPR], [expr])
88 # We use an absolute name for GNU m4 so even if users have another m4 first in
89 # their path, the installer can configure with a path that has GNU m4
90 # first and get that path embedded in the installed autoconf and
93 if test x"$ac_cv_prog_gnu_m4" != xyes; then
94 AC_MSG_ERROR([GNU M4 1.4 is required])
101 AC_CONFIG_FILES(man/Makefile)
102 AM_MISSING_PROG(HELP2MAN, help2man)
109 # We use an absolute name for perl so the #! line in autoscan will work.
110 AC_PATH_PROG([PERL], perl, no)
112 if test "$PERL" = no; then
113 AC_MSG_ERROR([perl is not found])
115 $PERL -e 'require 5.005_03;' || {
116 AC_MSG_ERROR([Perl 5.005_03 or better is required])
124 AC_CONFIG_FILES([lib/emacs/Makefile])
126 test x"$TEST_EMACS" = xt && TEST_EMACS=
127 AC_CHECK_PROGS([TEST_EMACS], [emacs xemacs], [no])
129 # autoconf-mode.el and autotest-mode.el do not work with older version of
130 # Emacs (i.e. 18.x.x). During byte-compilation, Emacs complains:
131 # "Variable (broken nil) seen on pass 2 of byte compiler but not pass 1"
132 # We detect this problem here.
133 AS_IF([test "$TEST_EMACS" != no],
134 [AC_CACHE_CHECK([whether $TEST_EMACS is sufficiently recent],
135 [ac_cv_prog_emacs_ok],
136 [# Note: The quoted "EOF" is intentional. It protects the ` in the text.
137 cat >conftest.el << "EOF"
139 (defun broken-mode () (setq broken-defaults `(broken nil)))
142 [$TEST_EMACS -batch -q -f batch-byte-compile conftest.el 1>&2])],
143 [ac_cv_prog_emacs_ok=yes], [ac_cv_prog_emacs_ok=no])
144 rm -f conftest.el conftest.elc])
145 AS_IF([test $ac_cv_prog_emacs_ok = no], [TEST_EMACS=no])])
147 AC_SUBST([EMACS], [$TEST_EMACS])
164 AC_CONFIG_FILES([Makefile doc/Makefile
165 lib/Makefile lib/Autom4te/Makefile lib/autoscan/Makefile
167 lib/autoconf/Makefile lib/autotest/Makefile
171 # Report the state of this version of Autoconf if this is a beta.
172 m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [[a-z]],
175 You are about to use an experimental version of Autoconf. Be sure to
176 read the relevant mailing lists, most importantly <autoconf@gnu.org>.
178 Below you will find information on the status of this version of Autoconf.
182 sed -n '/^\* Status/,$p' $srcdir/BUGS