pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  
  <groupId>io.jitpack</groupId>
  <artifactId>example-root</artifactId>
  <version>${revision}</version>
  <packaging>pom</packaging>
  <name>example-root</name>

  <properties>
	<revision>1.0.0-local-SNAPSHOT</revision>
  </properties>

<profiles>
  <profile>
     <id>default</id>
     <activation>
        <activeByDefault>true</activeByDefault>
        <property>
           <name>default</name>
           <value>!disabled</value>
        </property>
     </activation>
     <modules>
	    <module>module1</module>
	    <module>module2</module>
     </modules>
  </profile>
  <profile>
     <id>testRelease</id>
     <modules>
        <module>testRelease</module>
     </modules>
  </profile>
</profiles>

  <build>
    <plugins>

      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.2</version>
        <configuration> <!-- Compile java 7 compatible bytecode -->
          <source>1.7</source>
          <target>1.7</target>
        </configuration>
      </plugin>
    </plugins>
  </build>
</project>