--- jsr166/build.xml	2015/09/11 18:43:46	1.177
+++ jsr166/build.xml	2015/09/13 03:41:53	1.180
@@ -365,6 +365,10 @@
 
     <jar destfile="${product.jar}">
       <fileset dir="${build.classes.dir}"/>
+      <manifest>
+        <attribute name="Built-By" value="${user.name}"/>
+        <attribute name="Implementation-Vendor" value="JCP JSR-166 Expert Group."/>
+      </manifest>
     </jar>
   </target>
 
@@ -423,6 +427,10 @@
       <exclude name="src/emulation/**"/>
       <exclude name="**/SyntaxTest.java"/>
       <exclude name="**/SuperfluousAbstract.java"/>
+      <manifest>
+        <attribute name="Built-By" value="${user.name}"/>
+        <attribute name="Implementation-Vendor" value="JCP JSR-166 Expert Group."/>
+      </manifest>
     </jar>
   </target>
 
@@ -521,6 +529,11 @@
 
 
   <target name="configure-compiler">
+    <fail message="ant version too old">
+      <condition>
+	<not> <antversion atleast="1.9.1"/> </not>
+      </condition>
+    </fail>
 
     <property name="unchecked.option" value="-Xlint:unchecked"/>
 
@@ -660,6 +673,10 @@
 
     <jar destfile="${4jdk7product.jar}">
       <fileset dir="${build.4jdk7.classes.dir}"/>
+      <manifest>
+        <attribute name="Built-By" value="${user.name}"/>
+        <attribute name="Implementation-Vendor" value="JCP JSR-166 Expert Group."/>
+      </manifest>
     </jar>
 
   </target>
@@ -820,6 +837,10 @@
 
     <jar destfile="${jsr166x.jar}">
       <fileset dir="${build.jsr166x.classes.dir}"/>
+      <manifest>
+        <attribute name="Built-By" value="${user.name}"/>
+        <attribute name="Implementation-Vendor" value="JCP JSR-166 Expert Group."/>
+      </manifest>
     </jar>
 
   </target>
@@ -907,6 +928,10 @@
 
     <jar destfile="${jsr166y.jar}" index="true">
       <fileset dir="${build.jsr166y.classes.dir}"/>
+      <manifest>
+        <attribute name="Built-By" value="${user.name}"/>
+        <attribute name="Implementation-Vendor" value="JCP JSR-166 Expert Group."/>
+      </manifest>
     </jar>
 
   </target>
@@ -995,6 +1020,10 @@
 
     <jar destfile="${extra166y.jar}" index="true">
       <fileset dir="${build.extra166y.classes.dir}"/>
+      <manifest>
+        <attribute name="Built-By" value="${user.name}"/>
+        <attribute name="Implementation-Vendor" value="JCP JSR-166 Expert Group."/>
+      </manifest>
     </jar>
 
   </target>
@@ -1110,6 +1139,10 @@
 
     <jar destfile="${jsr166e.jar}" index="true">
       <fileset dir="${build.jsr166e.classes.dir}"/>
+      <manifest>
+        <attribute name="Built-By" value="${user.name}"/>
+        <attribute name="Implementation-Vendor" value="JCP JSR-166 Expert Group."/>
+      </manifest>
     </jar>
 
   </target>