Add empty stage/install targets when Python is not configured

pdimov · stefanseefeld · commit c7799aa44f08 · 2018-10-12T14:34:15.000-04:00
diff --git a/build/Jamfile b/build/Jamfile
@@ -136,3 +136,14 @@ lib boost_numpy
 boost-install boost_python boost_numpy ;
 
 }
+else
+{
+# Python not configured
+
+alias stage : config-warning ;
+explicit stage ;
+
+alias install : config-warning ;
+explicit install ;
+
+}
