Build: Compile jsps in-order for reproducibility (ticket #2279)

apps/routerconsole/java/build.xml

@@ -401,16 +401,23 @@
            **
            **  As of Tomcat 8.5.33, forking their JspC won't complete,
            **  because the JspC compilation is now threaded and the thread pool workers aren't daemons.
-           **  May be fixed in a future release, maybe not, but we don't know what version distros may have.
+           **  Will be fixed in 8.5.35, but we don't know what version distros may have.
            **
            **  https://tomcat.apache.org/tomcat-8.5-doc/changelog.html
            **  https://bz.apache.org/bugzilla/show_bug.cgi?id=53492
+           **  http://trac.i2p2.i2p/ticket/2307
+           **  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=908884
+           **  https://bz.apache.org/bugzilla/show_bug.cgi?id=62674
            **
            **  We could set fork=false in build.xml, but then the paths are all wrong.
         -->
         <java classname="net.i2p.servlet.util.JspC" fork="true" failonerror="true">
             <!-- this prevents tomcat from complaining in debian builds -->
             <jvmarg value="-Dtomcat.util.scan.StandardJarScanFilter.jarsToSkip=commons-collections.jar,junit.jar,junit4.jar" />
+            <!-- these are to detect tomcat version and reproducible build setting -->
+            <jvmarg value="-Dbuild.reproducible=${build.reproducible}" />
+            <jvmarg value="-Dwith-libtomcat8-java=${with-libtomcat8-java}" />
+            <jvmarg value="-Djasper.jar=../../jetty/jettylib/jasper-runtime.jar" />
             <classpath>
                 <pathelement location="../../jetty/jettylib/jasper-runtime.jar" />
                 <pathelement location="../../jetty/jettylib/javax.servlet.jar" />