A pom.xml fragment for building a Maven NAR project.

pom.xml fragment

         <properties>
             <MSC>C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC</MSC>
             <SDK>C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A</SDK>
             <!-- Tests via nar are run in the integration test phase, so turn off the normal test phase. -->
             <skipTests>true</skipTests>
         </properties>

         ...
         <plugin>
            <!-- Not officially released into Central Maven yet, so use a version that is. -->
            <groupId>org.codeswarm</groupId>
            <artifactId>maven-nar-plugin</artifactId>
            <version>20121119</version>
            <extensions>true</extensions>
            <configuration>
               <java>
                  <include>true</include>
               </java>
               <javah />
               <libraries>
                  <library>
                     <type>jni</type>
                     <narSystemPackage>org.devzendo.foo</narSystemPackage>
                  </library>
               </libraries>
               <cpp>
                  <includePaths>
                     <includePath>${MSC}\INCLUDE</includePath>
                     <includePath>${SDK}\INCLUDE</includePath>
                  </includePaths>
               </cpp>
               <linker>
                  <libs>
                     <lib>
                        <name>MSVCRT</name>
                        <directory>${MSC}\LIB</directory>
                     </lib>
                     <lib>
                        <name>MSVCPRT</name>
                        <directory>${MSC}\LIB</directory>
                     </lib>
                     <lib>
                        <name>OLDNAMES</name>
                        <directory>${MSC}\LIB</directory>
                     </lib>
                     <lib>
                        <name>KERNEL32</name>
                        <directory>${SDK}\LIB</directory>
                     </lib>
                     <lib>
                        <name>UUID</name>
                        <directory>${SDK}\LIB</directory>
                     </lib>
                     <lib>
                        <name>PDH</name>
                        <directory>${SDK}\LIB</directory>
                     </lib>
                  </libs>
               </linker>
            </configuration>
         </plugin>

Also need to add the paths to the windows compiler and sdk libraries - setting ${MSC} and ${SDK} appropriately.