If test cannot be run, say so to automake

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@221 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/examples/ping/test_sg b/examples/ping/test_sg
index dbbf5f9..8034fc8 100755 (executable)
--- a/examples/ping/test_sg
+++ b/examples/ping/test_sg
@@ -1,3 +1,4 @@
 #! /bin/sh
+test -e ./ping_simulator || exit 77
 exec ./ping_simulator ../WAN_3.platform.txt ping_deployment