ROMs trying to build cm 13 for sg5 klte. getting sysconfig/backup.xml' failed

[lokiwuh]

trying to build cm 13 for sg5 klte. the build stops at

target StaticLib: libperfprofdutils (/home/loki/cm/system/out/target/product/klte/obj/STATIC_LIBRARIES/libperfprofdutils_intermediates/libperfprofdutils.a)
target thumb C++: simpleperf <= system/extras/simpleperf/main.cpp
target Prebuilt: wget (/home/loki/cm/system/out/target/product/klte/obj/EXECUTABLES/wget_intermediates/wget)
target StaticLib: libsimpleperf (/home/loki/cm/system/out/target/product/klte/obj/STATIC_LIBRARIES/libsimpleperf_intermediates/libsimpleperf.a)
Copy: /home/loki/cm/system/out/target/product/klte/system/etc/CHANGELOG-CM.txt
Copy: /home/loki/cm/system/out/target/product/klte/system/addon.d/50-cm.sh
Copy: /home/loki/cm/system/out/target/product/klte/system/addon.d/blacklist
Copy xml: /home/loki/cm/system/out/target/product/klte/system/etc/sysconfig/backup.xml
Copy: /home/loki/cm/system/out/target/product/klte/system/etc/init.d/00banner
/bin/bash: xmllint: command not found
build/core/Makefile:46: recipe for target '/home/loki/cm/system/out/target/product/klte/system/etc/sysconfig/backup.xml' failed
make: *** [/home/loki/cm/system/out/target/product/klte/system/etc/sysconfig/backup.xml] Error 127
make: *** Waiting for unfinished jobs....
make: Leaving directory '/home/loki/cm/system'

any help would be greatly appreciated. lol I've been searching for days and found nothing. perhaps I'm asking google the wrong question.