The new release fails to compile from source on FreeBSD 9.3 and 10.2 (AMD64) with the following error:
Linking C executable comp_sql
[ 5%] Building C object zlib/CMakeFiles/zlib.dir/compress.c.o
[ 5%] Building C object libservices/CMakeFiles/mysqlservices.dir/my_thread_scheduler_service.c.o
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c: In function 'vio_client_must_be_proxied':
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:709: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:709: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:709: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:710: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:710: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:711: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:712: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:712: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:713: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:714: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:714: error: 'struct in6_addr' has no member named 's6_addr32'
/usr/ports/databases/percona56-client/work/percona-server-5.6.26-74.0/vio/viosocket.c:715: error: 'struct in6_addr' has no member named 's6_addr32'
*** [vio/CMakeFiles/vio.dir/viosocket.c.o] Error code 1
[ 5%] Built target comp_sql
1 error
*** [vio/CMakeFiles/vio.dir/all] Error code 2
Looks like a regression from the proxy protocol support patch. FreeBSD is not one of our supported platforms but if someone sends us a patch that adds proper in6_addr there, we could apply it.