[ci-skip] Flags job in jenkins: cleanup more agressively.

diff --git a/tools/jenkins/Flags.sh b/tools/jenkins/Flags.sh
index 9358cf6..c07669c 100755 (executable)
--- a/tools/jenkins/Flags.sh
+++ b/tools/jenkins/Flags.sh
@@ -94,4 +94,5 @@ cmake -Denable_documentation=OFF -Denable_java=${buildjava} -Denable_msg=${build
       -Denable_ns3=$(onoff test "$buildmc" != "ON") -Denable_coverage=OFF -DLTO_EXTRA_FLAG="auto" "$WORKSPACE"
 
 make -j$NUMPROC tests
-make clean
+cd ..
+rm -rf build