160963Speter# $FreeBSD$ 260963Speter 360963Speter# Search for kernel source tree in standard places. 4130835Spjd.for _dir in ${.CURDIR}/../.. ${.CURDIR}/../../.. ${.CURDIR}/../../../.. \ 5183736Simp ${.CURDIR}/../../../../.. /sys /usr/src/sys 6130835Spjd.if !defined(SYSDIR) && exists(${_dir}/kern/) && exists(${_dir}/conf/kmod.mk) 760963SpeterSYSDIR= ${_dir} 860963Speter.endif 960963Speter.endfor 10130835Spjd.if !defined(SYSDIR) || !exists(${SYSDIR}/kern/) || \ 11130835Spjd !exists(${SYSDIR}/conf/kmod.mk) 12231834Simp.error Unable to locate the kernel source tree. Set SYSDIR to override. 1360963Speter.endif 1460963Speter 1560965Speter.include "${SYSDIR}/conf/kmod.mk" 1676861Skris 1776861Skris.include <bsd.sys.mk> 18