Added profiles

Author: jamtur01

pom.xml

@@ -188,6 +188,56 @@
       </plugin>
     </plugins>
   </build>
+  <profiles>
+    <!-- JDK 8: no release flag -->
+    <profile>
+        <id>jdk8</id>
+        <activation>
+        <jdk>[1.8,1.9)</jdk>
+        </activation>
+        <build>
+        <plugins>
+            <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-compiler-plugin</artifactId>
+            <version>3.11.0</version>
+            <configuration>
+                <source>1.8</source>
+                <target>1.8</target>
+                <compilerArgs>
+                <arg>-Xlint:deprecation</arg>
+                <arg>-Xlint:unchecked</arg>
+                </compilerArgs>
+            </configuration>
+            </plugin>
+        </plugins>
+        </build>
+    </profile>
+
+    <!-- JDK 9+: prefer release -->
+    <profile>
+        <id>jdk9plus</id>
+        <activation>
+        <jdk>[9,)</jdk>
+        </activation>
+        <build>
+        <plugins>
+            <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-compiler-plugin</artifactId>
+            <version>3.11.0</version>
+            <configuration>
+                <release>8</release>
+                <compilerArgs>
+                <arg>-Xlint:deprecation</arg>
+                <arg>-Xlint:unchecked</arg>
+                </compilerArgs>
+            </configuration>
+            </plugin>
+        </plugins>
+        </build>
+    </profile>
+  </profiles>
 
   <distributionManagement>
     <repository>