--- xpilot-ng-4.7.3/configure.ac~ 2010-03-06 02:20:30.000000000 +0100
+++ xpilot-ng-4.7.3/configure.ac 2016-02-01 14:29:21.981049477 +0100
@@ -325,7 +325,8 @@ if test x$enable_sound = xyes; then
alut,
main,
[have_alut=yes],
- [])
+ [],
+ -lopenal)
if test x$have_openal = xyes; then
if test x$have_alut = xyes; then
have_sound=yes