#!/bin/sh

version=`cat dist/autoconf-version`
prog='autoconf'
# TODO: accept a different tool (autoheader) from the command line

searchprefixes="/usr/local"
for path in $searchprefixes ; do
    if [ -d "$path/autoconf-$version" ]; then
	prog="$path/autoconf-$version/bin/$prog"
	break;
    fi
    if [ -x "$path/bin/autoconf-$version" ]; then
	prog="$path/bin/$prog-$version"
	break;
    fi
done

echo "trying $prog version"
echo "$prog --version"
toolversion=`$prog --version | head -1 | awk '{print $NF}'`

echo "Expected: $version"
echo "Found:    $toolversion"

if [ "$version" != "$toolversion" ] ; then
    echo "$prog doesn't match the expected version"
    echo ""
    echo "If you want this tool to auto-find versions, build the right"
    echo "autoconf version using --prefix=/usr/local/autoconf-$version"
    echo "and then re-run this tool ($0) once it's installed"
    exit 1
fi

echo "Running $prog"
$prog "$@"