Allow to enable the native profile via Maven property

In some cases it could be desired to enable the `native` profile
directly from Maven, so that the caller of Maven does not need
to call Maven with `-Pnative`. To enable this behavior, I
added an activation section to the generated POM with
the profile definition.

Author: obfischer

spring-boot-project/spring-boot-docs/src/docs/antora/modules/how-to/pages/native-image/developing-your-first-application.adoc

@@ -210,6 +210,15 @@ With the `native` profile active, you can invoke the `native:compile` goal to tr
 $ mvn -Pnative native:compile
 ----
 
+The `native` profile can be activated by default by setting the Maven property `native` to `true` in the POM.
+
+[source,xml]
+----
+<properties>
+  <native>true</native>
+</properties>
+----
+
 The native image executable can be found in the `target` directory.
 
 

spring-boot-project/spring-boot-starters/spring-boot-starter-parent/build.gradle

@@ -248,6 +248,12 @@ publishing.publications.withType(MavenPublication) {
 			profiles {
 				profile {
 					delegate.id("native")
+					activation {
+						property {
+							delegate.name('native')
+							delegate.value('true')
+						}
+					}
 					build {
 						pluginManagement {
 							plugins {