mirror of
git://git.sv.gnu.org/autoconf
synced 2024-12-09 02:10:22 +08:00
b95a1aea40
All files changed to add 2010, via 'make update-copyright'. Signed-off-by: Eric Blake <ebb9@byu.net>
242 lines
7.3 KiB
Plaintext
242 lines
7.3 KiB
Plaintext
# -*- Autoconf -*-
|
|
# Process this file with autoconf to produce a configure script.
|
|
|
|
# Copyright (C) 1992, 1993, 1994, 1995, 1999, 2000, 2001, 2002, 2003,
|
|
# 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation,
|
|
# Inc.
|
|
|
|
# This program 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.
|
|
#
|
|
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
# We need AC_CONFIG_TESTDIR, AC_PROG_SED, AC_PROG_GREP.
|
|
AC_PREREQ([2.60])
|
|
|
|
AC_INIT([GNU Autoconf],
|
|
m4_esyscmd([build-aux/git-version-gen .tarball-version]),
|
|
[bug-autoconf@gnu.org])
|
|
AC_CONFIG_SRCDIR([ChangeLog])
|
|
|
|
AC_CONFIG_AUX_DIR([build-aux])
|
|
|
|
AM_INIT_AUTOMAKE([1.10 dist-bzip2 readme-alpha no-texinfo.tex std-options])
|
|
|
|
# We use `/bin/sh -n script' to check that there are no syntax errors
|
|
# in the scripts. Although incredible, there are /bin/sh that go into
|
|
# endless loops with `-n', e.g., SunOS's:
|
|
#
|
|
# $ uname -a
|
|
# SunOS ondine 4.1.3 2 sun4m unknown
|
|
# $ cat endless.sh
|
|
# while false
|
|
# do
|
|
# :
|
|
# done
|
|
# exit 0
|
|
# $ time sh endless.sh
|
|
# sh endless.sh 0,02s user 0,03s system 78% cpu 0,064 total
|
|
# $ time sh -nx endless.sh
|
|
# ^Csh -nx endless.sh 3,67s user 0,03s system 63% cpu 5,868 total
|
|
#
|
|
# Also, some implementations of /bin/sh (e.g., Solaris 8) are soooo slow
|
|
# that they are unusable on large scripts like our testsuite.
|
|
|
|
# So before using `/bin/sh -n' to check our scripts, we first check
|
|
# that `/bin/sh -n' is known to not have these problems.
|
|
|
|
AC_CACHE_CHECK([whether /bin/sh -n is known to work], [ac_cv_sh_n_works],
|
|
[if (
|
|
unset BASH_VERSION ZSH_VERSION
|
|
/bin/sh -c '
|
|
test -n "${BASH_VERSION+set}" || # Bash
|
|
test -n "${KSH_VERSION+set}" || # pdksh
|
|
test -n "${ZSH_VERSION+set}" || # zsh
|
|
test -n "${.sh.version}" # ksh93; put this last since its syntax is dodgy
|
|
'
|
|
) 2>/dev/null
|
|
then ac_cv_sh_n_works=yes
|
|
else ac_cv_sh_n_works=no
|
|
fi
|
|
])
|
|
AC_SUBST([ac_cv_sh_n_works])
|
|
|
|
AC_MSG_CHECKING([for characters that cannot appear in file names])
|
|
AC_CACHE_VAL([ac_cv_unsupported_fs_chars],
|
|
[ac_cv_unsupported_fs_chars=
|
|
for c in '\\' \" '<' '>' '*' '?' '|'
|
|
do
|
|
touch "conftest.t${c}t" 2>/dev/null
|
|
test -f "conftest.t${c}t" && rm -f "conftest.t${c}t" && continue
|
|
# $c cannot be used in a file name.
|
|
ac_cv_unsupported_fs_chars=$ac_cv_unsupported_fs_chars$c
|
|
done
|
|
])
|
|
if test -n "$ac_cv_unsupported_fs_chars"; then
|
|
AC_MSG_RESULT([$ac_cv_unsupported_fs_chars])
|
|
else
|
|
AC_MSG_RESULT([none])
|
|
fi
|
|
|
|
AC_SUBST([ac_cv_unsupported_fs_chars])
|
|
|
|
AC_CACHE_CHECK([whether directories can have trailing spaces],
|
|
[ac_cv_dir_trailing_space],
|
|
[rm -rf 'conftest.d ' && mkdir 'conftest.d ' && touch 'conftest.d /tfile' 2>/dev/null
|
|
stat=$?
|
|
rm -rf 'conftest.d '
|
|
case $stat$? in #(
|
|
00) ac_cv_dir_trailing_space=yes ;; #(
|
|
*) ac_cv_dir_trailing_space=no ;;
|
|
esac
|
|
])
|
|
AC_SUBST([ac_cv_dir_trailing_space])
|
|
|
|
# Initialize the test suite.
|
|
AC_CONFIG_TESTDIR([tests])
|
|
AC_CONFIG_FILES([tests/Makefile tests/atlocal])
|
|
AC_PATH_PROG([EXPR], [expr])
|
|
|
|
|
|
## ---- ##
|
|
## M4. ##
|
|
## ---- ##
|
|
|
|
# We use an absolute name for GNU m4 so even if users have another m4 first in
|
|
# their path, the installer can configure with a path that has GNU m4
|
|
# on it and get that path embedded in the installed autoconf and
|
|
# autoheader scripts.
|
|
AC_PROG_GNU_M4
|
|
|
|
## ----------- ##
|
|
## Man pages. ##
|
|
## ----------- ##
|
|
|
|
AC_CONFIG_FILES([man/Makefile])
|
|
AM_MISSING_PROG([HELP2MAN], [help2man])
|
|
|
|
|
|
## ------ ##
|
|
## Perl. ##
|
|
## ------ ##
|
|
|
|
# We use an absolute name for perl so the #! line in autoscan will work.
|
|
AC_PATH_PROG([PERL], [perl], [no])
|
|
AC_SUBST([PERL])dnl
|
|
if test "$PERL" = no; then
|
|
AC_MSG_ERROR([perl is not found])
|
|
fi
|
|
$PERL -e 'require 5.005_03;' || {
|
|
AC_MSG_ERROR([Perl 5.005_03 or better is required])
|
|
}
|
|
|
|
# Find out whether the system supports flock
|
|
# Note this test does not try to find out whether it works with this
|
|
# particular file system. It merely avoids us running flock on systems
|
|
# where that bails out.
|
|
AC_CACHE_CHECK([whether $PERL Fcntl::flock is implemented],
|
|
[ac_cv_perl_flock_implemented],
|
|
[echo lock me > conftest.fil
|
|
if $PERL -e 'use Fcntl ":flock"; flock("conftest.fil", LOCK_EX); 1;'; then
|
|
ac_cv_perl_flock_implemented=yes
|
|
else
|
|
ac_cv_perl_flock_implemented=no
|
|
fi
|
|
rm -f conftest.fil
|
|
])
|
|
AC_SUBST([PERL_FLOCK], [$ac_cv_perl_flock_implemented])
|
|
|
|
|
|
## ------- ##
|
|
## Emacs. ##
|
|
## ------- ##
|
|
|
|
AC_CONFIG_FILES([lib/emacs/Makefile])
|
|
TEST_EMACS=$EMACS
|
|
test x"$TEST_EMACS" = xt && TEST_EMACS=
|
|
AC_CHECK_PROGS([TEST_EMACS], [emacs xemacs], [no])
|
|
|
|
# autoconf-mode.el and autotest-mode.el do not work with older version of
|
|
# Emacs (i.e. 18.x.x). During byte-compilation, Emacs complains:
|
|
# "Variable (broken nil) seen on pass 2 of byte compiler but not pass 1"
|
|
# We detect this problem here.
|
|
AS_IF([test "$TEST_EMACS" != no],
|
|
[AC_CACHE_CHECK([whether $TEST_EMACS is sufficiently recent],
|
|
[ac_cv_prog_emacs_ok],
|
|
[# Note: The quoted "EOF" is intentional. It protects the ` in the text.
|
|
cat >conftest.el << "EOF"
|
|
(defvar broken)
|
|
(defun broken-mode () (setq broken-defaults `(broken nil)))
|
|
EOF
|
|
AS_IF([AC_RUN_LOG(
|
|
[$TEST_EMACS -batch -q -f batch-byte-compile conftest.el 1>&2])],
|
|
[ac_cv_prog_emacs_ok=yes], [ac_cv_prog_emacs_ok=no])
|
|
rm -f conftest.el conftest.elc])
|
|
AS_IF([test $ac_cv_prog_emacs_ok = no], [TEST_EMACS=no])])
|
|
|
|
AC_SUBST([EMACS], [$TEST_EMACS])
|
|
|
|
AM_PATH_LISPDIR
|
|
|
|
|
|
## ------------ ##
|
|
## Grep & sed. ##
|
|
## ------------ ##
|
|
AC_PROG_GREP
|
|
AC_PROG_EGREP
|
|
AC_PROG_SED
|
|
|
|
|
|
## ----- ##
|
|
## Make. ##
|
|
## ----- ##
|
|
AC_PROG_MAKE_CASE_SENSITIVE
|
|
|
|
|
|
## ------------ ##
|
|
## Conclusion. ##
|
|
## ------------ ##
|
|
|
|
dnl Allow maintainer rules under GNU make even in VPATH builds. This does
|
|
dnl not work in autoconf 2.61 or earlier, but we don't want to require
|
|
dnl unreleased autoconf during bootstrap, hence the version test.
|
|
dnl TODO remove the version check once we depend on autoconf 2.62.
|
|
dnl Meanwhile, we must use a shell variable so that we bypass automake's
|
|
dnl attempts to remove the sole copy of GNUmakefile in a non-VPATH build
|
|
dnl during 'make distclean'.
|
|
dnl TODO avoid the shell variable once automake is fixed.
|
|
GNUmakefile=GNUmakefile
|
|
m4_if(m4_version_compare([2.61a.100],
|
|
m4_defn([m4_PACKAGE_VERSION])), [1], [],
|
|
[AC_CONFIG_LINKS([$GNUmakefile:$GNUmakefile], [],
|
|
[GNUmakefile=$GNUmakefile])])
|
|
|
|
AC_CONFIG_FILES([Makefile doc/Makefile
|
|
lib/Makefile lib/Autom4te/Makefile lib/autoscan/Makefile
|
|
lib/m4sugar/Makefile
|
|
lib/autoconf/Makefile lib/autotest/Makefile
|
|
bin/Makefile])
|
|
|
|
AC_OUTPUT
|
|
# Report the state of this version of Autoconf if this is a beta.
|
|
m4_bmatch(m4_defn([AC_PACKAGE_VERSION]), [[-a-z]],
|
|
[ cat <<EOF
|
|
|
|
You are about to use an experimental version of Autoconf. Be sure to
|
|
read the relevant mailing lists, most importantly <autoconf@gnu.org>.
|
|
|
|
Below you will find information on the status of this version of Autoconf.
|
|
|
|
EOF
|
|
sed -n '/^\* Status/,$p' $srcdir/BUGS
|
|
echo
|
|
])dnl
|