XMVN_DEBUG=1

eclipse.spec

@@ -486,6 +486,7 @@ find . -name MANIFEST.MF -exec sed -i -e 's@9.0.0)@9.1.0]@' {} \;
 %build
 #This is the lowest value where the build succeeds. 512m is not enough.
 export MAVEN_OPTS="-Xmx900m -XX:CompileCommand=exclude,org/eclipse/tycho/core/osgitools/EquinoxResolver,newState"
+export XMVN_DEBUG=1
 
 mvn-rpmbuild -f eclipse-parent/pom.xml \
     install \
@@ -498,13 +499,13 @@ pushd rt.equinox.framework/bundles/org.eclipse.equinox.executable/library/gtk/
 popd
 
 pushd eclipse.platform.swt.binaries/bundles/org.eclipse.swt.gtk.linux.%{eclipse_arch}
-	mvn-rpmbuild clean install \
+	mvn-rpmbuild -X clean install \
    -Dmaven.test.skip=true -Dnative=gtk.linux.%{eclipse_arch} -DskipTychoVersionCheck \
    -Dmaven.local.mode=true -Dtycho.local.keepTarget -Dbuilddoc=$((%{bootstrap} != 1)) -Pno-bree-libs
 popd
 
 export GTK_VERSION=3.0
-mvn-rpmbuild clean install \
+mvn-rpmbuild -X clean install \
    -Dmaven.test.skip=true -Dnative=gtk.linux.%{eclipse_arch} -DskipTychoVersionCheck \
    -Dmaven.local.mode=true -Dtycho.local.keepTarget -Dbuilddoc=$((%{bootstrap} != 1)) -Pno-bree-libs