debian/changelog

+zookeeper (3.4.12-2) UNRELEASED; urgency=medium
+
+  * Add patch for FTBFS with GCC-8 (Closes: #897892)
+
+ -- tony mancill <tmancill@debian.org>  Sat, 30 Jun 2018 20:59:21 -0700
+
 zookeeper (3.4.12-1) unstable; urgency=medium
 
   * Team upload.

debian/patches/14-ftbfs-with-gcc-8.patch

+Description: Address FTBFS with gcc-8 due to format-overflow
+Author: tony mancill <tmancill@debian.org>
+--- a/src/c/src/zookeeper.c
++++ b/src/c/src/zookeeper.c
+@@ -3477,7 +3477,7 @@
+ 
+ static const char* format_endpoint_info(const struct sockaddr_storage* ep)
+ {
+-    static char buf[128];
++    static char buf[128 + 6];	// include space for the port :xxxxx
+     char addrstr[128];
+     void *inaddr;
+ #ifdef WIN32

debian/patches/series

@@ -9,3 +9,4 @@
 11-disable-minikdc-tests.patch
 12-add-yetus-annotations.patch
 13-disable-netty-connection-factory.patch
+14-ftbfs-with-gcc-8.patch