Sync build flags and CI scripts with ndn-cxx

Change-Id: I977af445cd989996d3938d4a3edad0175cc6038a
diff --git a/.jenkins.d/09-cleanup.sh b/.jenkins.d/09-cleanup.sh
new file mode 100755
index 0000000..26254a5
--- /dev/null
+++ b/.jenkins.d/09-cleanup.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+set -ex
+
+PROJ=ndncert
+
+sudo rm -f /usr/local/bin/"$PROJ"*
+sudo rm -fr /usr/local/include/"$PROJ"
+sudo rm -f /usr/local/lib{,64}/lib"$PROJ"*
+sudo rm -f /usr/local/lib{,64}/pkgconfig/{,lib}"$PROJ".pc