+VERSION=1.10
+
+run_versioned() {
+ local P
+ local V
+
+ V=$(echo "$2" | sed -e 's,\.,,g')
+
+ if [ -e "`which $1$V 2> /dev/null`" ] ; then
+ P="$1$V"
+ else
+ if [ -e "`which $1-$2 2> /dev/null`" ] ; then
+ P="$1-$2"
+ else
+ P="$1"
+ fi
+ fi
+
+ shift 2
+ "$P" "$@"
+}
+
+set -ex
+
+# We check for this here, because if pkg-config is not found in the
+# system, it's likely that the pkg.m4 macro file is also not present,
+# which will make PKG_PROG_PKG_CONFIG be undefined and the generated
+# configure file faulty.
+if ! pkg-config --version &>/dev/null; then
+ echo "pkg-config is required to bootstrap this program" &>/dev/null
+ exit 1
+fi
+