#!/bin/sh
#-
# Copyright (c) 2007 Dag-Erling Smørgrav
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer
# in this position and unchanged.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
bindir=/usr/local/bin
tool=$(basename $0)
exec 4<&0
error() {
echo "$@" 1>&2
exit 1
}
# Verify that the requested tool is one we know about
case ${tool} in
autoconf|autoheader|autom4te|autoreconf|autoscan|autoupdate|ifnames)
;;
*)
error "${tool}: unknown tool"
;;
esac
if [ -n "${AUTOTOOLS_DEBUG}" -a -n "${AUTOCONF_VERSION}" ] ; then
echo "Requested ${tool} version ${AUTOCONF_VERSION}" 1>&2
fi
#
# Identify available versions.
#
# The double sort is necessary to correctly identify 1.10 as newer
# than 1.9.
#
# Note that it is conceivable that version A.BC of the requested tool
# is present both as "toolABC" and as "tool-A.BC". We take no special
# measures to handle this case.
#
/usr/bin/find ${bindir}/ -name "${tool}*[0-9]" | /usr/bin/sed -E \
-e "s@^.*/${tool}-([0-9])\\.([0-9]+)\$@\1 \2 \1.\2@" | \
/usr/bin/sort -n -k1 | /usr/bin/sort -n -s -k2 | {
while read maj min suffix ; do
selected_version=$suffix
if [ -n "${AUTOCONF_VERSION}" -a \
"x${AUTOCONF_VERSION}" = x${selected_version} ] ; then
break
fi
done
if [ -z "${selected_version}" ] ; then
error "${tool}: not installed"
fi
if [ -n "${AUTOCONF_VERSION}" -a \
"x${AUTOCONF_VERSION}" != x${selected_version} ] ; then
error "${tool}: required version" \
"${AUTOCONF_VERSION} not found"
fi
if [ -n "${AUTOTOOLS_DEBUG}" ] ; then
echo "Selecting ${tool} version ${selected_version}" \
"(${bindir}/${tool}-${selected_version})" 1>&2
fi
exec 0<&4 4<&-
exec ${bindir}/${tool}-${selected_version} "$@"
}
Mini Shell