diff -r 3ee8458a6ca9 -r 7665471a56c1 rt/aot/src/main/java/org/apidesign/bck2brwsr/aot/Bck2BrwsrJars.java
--- a/rt/aot/src/main/java/org/apidesign/bck2brwsr/aot/Bck2BrwsrJars.java	Tue May 27 09:20:06 2014 +0200
+++ b/rt/aot/src/main/java/org/apidesign/bck2brwsr/aot/Bck2BrwsrJars.java	Tue May 27 12:25:41 2014 +0200
@@ -70,6 +70,9 @@
         Set<String> exported = new HashSet<>();
 
         listJAR(jf, classes, resources, exported);
+        
+        String cp = jf.getManifest().getMainAttributes().getValue("Class-Path"); // NOI18N
+        String[] classpath = cp == null ? new String[0] : cp.split(" ");
 
         class JarRes extends EmulationResources implements Bck2Brwsr.Resources {
 
@@ -80,7 +83,7 @@
             }
         }
         return Bck2Brwsr.newCompiler()
-            .library(true)
+            .library(classpath)
             .addClasses(classes.toArray(new String[classes.size()]))
             .addExported(exported.toArray(new String[exported.size()]))
             .addResources(resources.toArray(new String[resources.size()]))