/usr/src/xtables-addons-2.12/extensions/Kbuild is in xtables-addons-dkms 2.12-0.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 | # -*- Makefile -*-
include ${XA_ABSTOPSRCDIR}/mconfig
-include ${XA_ABSTOPSRCDIR}/mconfig.*
obj-m                    += compat_xtables.o
obj-${build_ACCOUNT}     += ACCOUNT/
obj-${build_CHAOS}       += xt_CHAOS.o
obj-${build_DELUDE}      += xt_DELUDE.o
obj-${build_DHCPMAC}     += xt_DHCPMAC.o
obj-${build_DNETMAP}     += xt_DNETMAP.o
obj-${build_ECHO}        += xt_ECHO.o
obj-${build_IPMARK}      += xt_IPMARK.o
obj-${build_LOGMARK}     += xt_LOGMARK.o
obj-${build_SYSRQ}       += xt_SYSRQ.o
obj-${build_TARPIT}      += xt_TARPIT.o
obj-${build_condition}   += xt_condition.o
obj-${build_fuzzy}       += xt_fuzzy.o
obj-${build_geoip}       += xt_geoip.o
obj-${build_iface}       += xt_iface.o
obj-${build_ipp2p}       += xt_ipp2p.o
obj-${build_ipv4options} += xt_ipv4options.o
obj-${build_length2}     += xt_length2.o
obj-${build_lscan}       += xt_lscan.o
obj-${build_pknock}      += pknock/
obj-${build_psd}         += xt_psd.o
obj-${build_quota2}      += xt_quota2.o
-include ${M}/*.Kbuild
-include ${M}/Kbuild.*
 |