Example of creation symlink to target folder on Windows. symlink may be to another partion with more space or even in memory (that increases build speed up to 20%)

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/maven-v4_0_0.xsd">

    <modelVersion>4.0.0</modelVersion>
    <groupId>com.github.stokito</groupId>
    <artifactId>clean-symlink-sample</artifactId>
    <version>1.0-SNAPSHOT</version>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-clean-plugin</artifactId>
                <version>3.0.0</version>
                <configuration>
                    <excludeDefaultDirectories>true</excludeDefaultDirectories>
                    <filesets>
                        <fileset>
                            <directory>target</directory>
                            <followSymlinks>false</followSymlinks>
                            <includes>
                                <include>**/*</include>
                            </includes>
                        </fileset>
                    </filesets>
                </configuration>
            </plugin>

            <plugin>
                <groupId>com.pyx4j</groupId>
                <artifactId>maven-junction-plugin</artifactId>
                <version>1.0.3</version>
                <executions>
                    <execution>
                        <id>id.post-clean</id>
                        <phase>clean</phase>
                        <goals>
                            <goal>link</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <links>
                        <!-- link the html generated by client to webapp directory -->
                        <link>
                            <src>C:/opt/dist/${project.artifactId}</src>
                            <dst>${project.build.directory}</dst>
                        </link>
                    </links>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

profile_pom.xml

    <profiles>
        <profile>
            <id>inmemory</id>
            <build>
                <plugins>
                    <plugin>
                        <groupId>org.apache.maven.plugins</groupId>
                        <artifactId>maven-antrun-plugin</artifactId>
                        <version>1.3</version>
                        <executions>
                            <execution>
                                <id>createInMemoryTarget</id>
                                <phase>initialize</phase>
                                <configuration>
                                    <tasks>
                                        <mkdir dir="M:/${project.groupId}/${project.artifactId}/${project.version}"/>
                                    </tasks>
                                </configuration>
                                <goals>
                                    <goal>run</goal>
                                </goals>
                            </execution>
                        </executions>
                    </plugin>
                    <plugin>
                        <groupId>com.pyx4j</groupId>
                        <artifactId>maven-junction-plugin</artifactId>
                        <version>1.0.3</version>
                        <executions>
                            <execution>
                                <id>symlinkTargetToInMemory</id>
                                <phase>initialize</phase>
                                <goals>
                                    <goal>link</goal>
                                </goals>
                            </execution>
                        </executions>
                        <configuration>
                            <links>
                                <!-- link the target folder to appropriate in-memory to directory -->
                                <link>
                                    <src>M:/${project.groupId}/${project.artifactId}/${project.version}</src>
                                    <dst>${project.build.directory}</dst>
                                </link>
                            </links>
                        </configuration>
                    </plugin>
                </plugins>
            </build>
        </profile>
    </profiles>

See also ImDisk help