Merge pull request #26 from scijava/openjdk-15

enable build on OpenJDK-15

Author: hinerm

pom.xml

@@ -236,13 +236,13 @@
 		<maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
 		<maven-dependency-plugin.version>3.1.2</maven-dependency-plugin.version>
 		<maven-deploy-plugin.version>2.8.2</maven-deploy-plugin.version>
-		<maven-enforcer-plugin.version>1.4.1</maven-enforcer-plugin.version>
+		<maven-enforcer-plugin.version>3.0.0-M3</maven-enforcer-plugin.version>
 		<maven-failsafe-plugin.version>2.22.2</maven-failsafe-plugin.version>
 		<maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
 		<maven-install-plugin.version>2.5.2</maven-install-plugin.version>
 		<maven-invoker-plugin.version>3.2.1</maven-invoker-plugin.version>
 		<maven-jar-plugin.version>3.2.0</maven-jar-plugin.version>
-		<maven-javadoc-plugin.version>3.1.1</maven-javadoc-plugin.version>
+		<maven-javadoc-plugin.version>3.2.0</maven-javadoc-plugin.version>
 		<maven-plugin-plugin.version>3.6.0</maven-plugin-plugin.version>
 		<maven-project-info-reports-plugin.version>3.1.0</maven-project-info-reports-plugin.version>
 		<maven-release-plugin.version>2.5.3</maven-release-plugin.version>
@@ -265,7 +265,7 @@
 		<dokka-maven-plugin.version>0.9.18</dokka-maven-plugin.version>
 		<formatter-maven-plugin.version>2.11.0</formatter-maven-plugin.version>
 		<impsort-maven-plugin.version>1.3.2</impsort-maven-plugin.version>
-		<jacoco-maven-plugin.version>0.8.5</jacoco-maven-plugin.version>
+		<jacoco-maven-plugin.version>0.8.6</jacoco-maven-plugin.version>
 		<javafx-maven-plugin.version>8.8.3</javafx-maven-plugin.version>
 		<maven-graph-plugin.version>1.45</maven-graph-plugin.version>
 		<nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
@@ -2037,6 +2037,17 @@
 			<properties>
 				<maven.compiler.release>${scijava.jvm.version}</maven.compiler.release>
 			</properties>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.apache.maven.plugins</groupId>
+						<artifactId>maven-javadoc-plugin</artifactId>
+						<configuration>
+							<javadocExecutable>${java.home}/bin/javadoc</javadocExecutable>
+						</configuration>
+					</plugin>
+				</plugins>
+			</build>
 		</profile>
 	</profiles>
 </project>