Build error on Amazon Linux
Master branch, commit 337f9dd0
Linux hostname 4.14.47-56.37.amzn1.x86_64 #1 SMP Wed Jun 6 18:49:01 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
make[3]: Entering directory `/home/ray/src/bind9/bin/named/unix'
gcc -std=gnu99 -I/home/ray/src/bind9 -I../../.. -I./include -I./../include -I/home/ray/src/bind9/lib/isccfg/include -I../../../lib/isccfg/include -I/home/ray/src/bind9/lib/isccc/include -I../../../lib/isccc/include -I/home/ray/src/bind9/lib/dns/include -I../../../lib/dns/include -I/home/ray/src/bind9/lib/isc/include -I../../../lib/isc -I../../../lib/isc/include -I../../../lib/isc/unix/include -I../../../lib/isc/pthreads/include -I../../../lib/isc/x86_32/include -I/usr/include -D_REENTRANT -D_GNU_SOURCE -g -O2 -fPIC -W -Wall -Wmissing-prototypes -Wcast-qual -Wwrite-strings -Wformat -Wpointer-arith -fno-strict-aliasing -fno-delete-null-pointer-checks -c os.c
In file included from /usr/include/sys/prctl.h:22:0,
from os.c:122:
/usr/include/linux/prctl.h:135:2: error: unknown type name ‘__u64’
__u64 start_code; /* code section bounds */