build: Add more searching for Java libjvm.so. On Macs, look for jni.h in a list of possible directories. * configure.ac: Search for libjvm in JAVA_LDPATH, JAVA_BOOTPATH, and heuristic list of directories. Search for jni.h in possible list of directories on Mac platforms. * build-aux/OctJavaQry.java: Add JAVA_BOOTPATH query option. * build-aux/OctJavaQry.class: Add JAVA_BOOTPATH query option.

--- a/build-aux/OctJavaQry.java	Tue Dec 11 15:40:02 2012 -0500
+++ b/build-aux/OctJavaQry.java	Tue Dec 11 14:06:09 2012 -0800
@@ -14,6 +14,10 @@
       {
         System.out.println (System.getProperty ("java.library.path"));
       }
+      else if (args[0].equals ("JAVA_BOOTPATH"))
+      {
+        System.out.println (System.getProperty ("sun.boot.library.path"));
+      }
     }
   }
 }