1 files changed, 17 insertions, 1 deletions
diff --git a/boost-build.jam b/boost-build.jam
index 0a2b927770..75542e4d71 100644
--- a/boost-build.jam
+++ b/boost-build.jam
@@ -1,2 +1,18 @@
 BOOST_ROOT = $(.boost-build-file:D) ;
-boost-build tools/build ;
+if --v2 in $(ARGV)
+{
+    if $(JAM_VERSION:J="") < 030103
+    {
+	ECHO "error: Boost.Jam 3.1.3 or later required" ;
+	EXIT ;
+    }
+    else
+    {
+        JAMFILE = Jamfile.v2 ;
+	boost-build tools/build/new ;
+    }	
+}
+else
+{
+    boost-build tools/build ;
+}