Include com.sun.tools as dependency only if Java 8

This change causes com.sun.tools to be included as a dependency
only if the JDK version is 1.8.

Otherwise, without this change, the build fails when run under any
Java version later than Java 8.

Author: sideshowbarker

pom.xml

@@ -87,15 +87,6 @@
       <plugin>
         <artifactId>maven-antrun-plugin</artifactId>
         <version>1.7</version>
-        <dependencies>
-          <dependency>
-            <groupId>com.sun</groupId>
-            <artifactId>tools</artifactId>
-            <version>1.5.0</version>
-            <scope>system</scope>
-            <systemPath>${java.home}/../lib/tools.jar</systemPath>
-          </dependency>
-        </dependencies>
         <executions>
           <execution>
             <id>intitialize-sources</id>
@@ -237,4 +228,21 @@
     <rpm.javadoc.dir>/usr/share/javadoc</rpm.javadoc.dir>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
   </properties>
+  <profiles>
+    <profile>
+      <id>Java 8</id>
+      <activation>
+        <jdk>1.8</jdk>
+      </activation>
+      <dependencies>
+        <dependency>
+          <groupId>com.sun</groupId>
+          <artifactId>tools</artifactId>
+          <version>1.5.0</version>
+          <scope>system</scope>
+          <systemPath>${java.home}/../lib/tools.jar</systemPath>
+        </dependency>
+      </dependencies>
+    </profile>
+  </profiles>
 </project>