diff --git a/.gitignore b/.gitignore
index 0ef7a1efa..fe4d8477d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,4 +38,5 @@ debian/files
 config.sub*
 config.guess*
 bindings/java/${dist}
-bindings/python/build
\ No newline at end of file
+bindings/python/build
+.DS_Store
diff --git a/bindings/java/build.xml b/bindings/java/build.xml
index d6d749dfb..7e509b526 100644
--- a/bindings/java/build.xml
+++ b/bindings/java/build.xml
@@ -96,7 +96,7 @@
       <classpath refid="alljars"/>
     </available>
     <javac destdir="${build}/classes"
-           source="1.4" target="1.4"
+           source="1.5" target="1.5"
            sourcepath=""
            debug="true"
            classpathref="libjars">
diff --git a/bindings/java/hyperic_jni/jni-build.xml b/bindings/java/hyperic_jni/jni-build.xml
index 38abedd99..c2461288d 100644
--- a/bindings/java/hyperic_jni/jni-build.xml
+++ b/bindings/java/hyperic_jni/jni-build.xml
@@ -161,7 +161,7 @@
     <echo message="jni.src=${jni.src}, jni.jdk.os=${jni.jdk.os}, ${sun.arch.data.model}-bit"/>
 
     <javac srcdir="${jni.src.java}" destdir="${build}/classes" debug="true"
-           source="1.4" target="1.4"
+           source="1.5" target="1.5"
 	   includes="org/hyperic/jni/*.java"/>
 
     <taskdef name="libarch" classname="org.hyperic.jni.ArchNameTask">
@@ -224,37 +224,23 @@
     <antcall target="${jni.cc}" inheritRefs="true"/>
   </target>
 
-  <!-- run jni-cc twice {ppc,i386}, then feed both to lipo to build a universal binary -->
   <target name="uni-cc" if="jni.libarch">
     <property name="shlib" value="${jni.objdir}/lib/lib${jni.libname}.dylib"/>
 
-    <!-- ppc -->
-    <echo message="build 'ppc' arch"/>
+    <echo message="build 'x86_64' arch"/>
     <antcall target="jni-cc" inheritRefs="true">
-      <param name="uni.arch" value="ppc"/>
+      <param name="uni.arch" value="x86_64"/>
     </antcall>
 
-    <copy file="${shlib}" tofile="${shlib}.ppc"/>
+    <copy file="${shlib}" tofile="${shlib}.x86_64"/>
 
-    <!-- i386 -->
-    <echo message="build 'i386' arch"/>
-    <delete>
-      <fileset dir="${jni.objdir}" includes="*.o"/>
-    </delete>
-
-    <antcall target="jni-cc" inheritRefs="true">
-      <param name="uni.arch" value="i386"/>
-    </antcall>
-
-    <copy file="${shlib}" tofile="${shlib}.i386"/>
-
-    <echo message="lipo 'ppc'+'i386'"/>
+    <echo message="lipo 'x86_64'"/>
     <exec executable="lipo">
-      <arg line="-create ${shlib}.ppc ${shlib}.i386 -output ${jni.objdir}/lib/lib${jni.libname}.dylib"/>
+      <arg line="-create ${shlib}.x86_64 -output ${jni.objdir}/lib/lib${jni.libname}.dylib"/>
     </exec>
 
     <delete>
-      <fileset dir="${jni.objdir}/lib" includes="*.ppc,*.i386"/>
+      <fileset dir="${jni.objdir}/lib" includes="*.x86_64"/>
     </delete>
   </target>
 
@@ -372,6 +358,8 @@
         <!-- for Gestalt() -->
         <linkerarg value="-framework"/>
         <linkerarg value="CoreServices"/>
+        <linkerarg value="-framework"/>
+        <linkerarg value="IOKit"/>
 
         <linkerarg value="-sectcreate,__TEXT,__info_plist,${jni.info.plist}" if="jni.info.plist"/>
 
@@ -379,7 +367,6 @@
                 dir="${jni.libset.dir}"
                 libs="${jni.libset.libs}"/>
 
-        <syslibset libs="IOKit"/>
       </linker>
 
       <!-- Freebsd -->
diff --git a/bindings/java/hyperic_jni/src/org/hyperic/jni/ArchNameTask.java b/bindings/java/hyperic_jni/src/org/hyperic/jni/ArchNameTask.java
index 4cf53924f..fe0ed1e69 100644
--- a/bindings/java/hyperic_jni/src/org/hyperic/jni/ArchNameTask.java
+++ b/bindings/java/hyperic_jni/src/org/hyperic/jni/ArchNameTask.java
@@ -24,6 +24,7 @@
 import java.io.FileReader;
 import java.io.Reader;
 import java.util.Arrays;
+import java.util.Comparator;
 
 import org.apache.tools.ant.Task;
 import org.apache.tools.ant.BuildException;
@@ -105,7 +106,17 @@ public boolean accept(File file) {
                 });
 
             if (sdks != null) {
-                Arrays.sort(sdks);
+                Arrays.sort(sdks, new Comparator<File>() {
+
+                    @Override
+                    public int compare(File o1, File o2) {
+                        String name1 = o1.getName();
+                        String name2 = o2.getName();
+                        String v1 = name1.substring("MacOSX10.".length(),name1.length()-".sdk".length());
+                        String v2 = name2.substring("MacOSX10.".length(),name2.length()-".sdk".length());
+                        return Integer.parseInt(v1)-Integer.parseInt(v2);
+                    }
+                });
                 String prop = "uni.sdk";
                 String sdk = getProject().getProperty(prop);
                 String defaultMin = "10.3";