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