Emmanuel, I started a branch wip-2.3 in salsa/fop:
https://salsa.debian.org/java-team/fop/commits/wip-2.3 All I did is: 1. Inject 2.3 tarball from upstream 2. Ran (with your previous directions): $ mh_make -v -t false -d false 3. Edit debian/maven.rules to try to fix the issue with batik. Now if I try to run again mh_make here is what I get: Oct 24, 2018 7:20:44 PM org.debian.maven.packager.DependenciesSolver resolveDependencies SEVERE: Error while resolving ./fop/pom.xml: Dependency not found org.apache.xmlgraphics:fop-parent:pom:2.3 Oct 24, 2018 7:20:45 PM org.debian.maven.packager.DependenciesSolver resolveDependencies SEVERE: org.debian.maven.repo.DependencyNotFoundException: Dependency not found org.apache.xmlgraphics:fop-parent:pom:2.3 at org.debian.maven.repo.Repository.registerPom(Repository.java:414) at org.debian.maven.packager.DependenciesSolver.resolveDependencies(DependenciesSolver.java:321) at org.debian.maven.packager.DependenciesSolver.resolveDependencies(DependenciesSolver.java:421) at org.debian.maven.packager.DependenciesSolver.solveDependencies(DependenciesSolver.java:261) at org.debian.maven.packager.DependenciesSolver.main(DependenciesSolver.java:967) All this is from a sid chroot (up to date). Thanks for suggestion