+configure_in=NONE
+if test -f configure.in; then
+ configure_in=configure.in
+else
+ if test -f configure.ac; then
+ configure_in=configure.ac
+ fi
+fi
+# Check in which directory config.rpath, mkinstalldirs etc. belong.
+auxdir=`cat "$configure_in" | grep '^AC_CONFIG_AUX_DIR' | sed -n -e 's/AC_CONFIG_AUX_DIR(\([^()]*\))/\1/p' | sed -e 's/^\[\(.*\)\]$/\1/' | sed -e 1q`
+if test -n "$auxdir"; then
+ auxdir="$auxdir/"
+fi
+