configure: exit if luajit header are not found but build ask

diff --git a/configure.ac b/configure.ac
index 1661b88866c2ca8ed3dccbea56c39c1ada684d26..0c7fe9a3898e44fb1e05d473a14dd434ec2f78a3 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1301,6 +1301,14 @@ AC_INIT(configure.ac)
 
             AC_DEFINE([HAVE_LUAJIT],[1],[libluajit available])
             enable_luajit="yes"
+        else
+               echo
+                echo "   ERROR!  libluajit headers not found, go get them"
+                echo "   from http://luajit.org/index.html or your distribution:"
+                echo
+                echo "   Ubuntu: apt-get install libluajit-5.1-dev"
+                echo
+                exit 1
         fi
     fi