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# $FreeBSD$
#
# Handles common items for kernel module ports.
#
# Feature:  kmod
# Usage:    USES=kmod
# Valid ARGS:   none
#
# MAINTAINER: rene@FreeBSD.org

.if !defined(_INCLUDE_USES_KMOD_MK)
_INCLUDE_USES_KMOD_MK=  yes

_USES_POST= kmod

.if defined(kmod_ARGS)
IGNORE= USES=kmod takes no arguments
.endif

.if !exists(${SRC_BASE}/sys/Makefile)
IGNORE= requires kernel source files in ${SRC_BASE}
.endif

CATEGORIES+=    kld

SSP_UNSAFE= kernel module supports SSP natively

KMODDIR?=   /boot/modules
.if ${KMODDIR} == /boot/kernel
KMODDIR=    /boot/modules
.endif
PLIST_SUB+= KMODDIR="${KMODDIR:C,^/,,}"
MAKE_ENV+=  KMODDIR="${KMODDIR}" SYSDIR="${SRC_BASE}/sys" NO_XREF=yes

STRIP_CMD+= --strip-debug # do not strip kernel symbols
.endif

.if defined(_POSTMKINCLUDED) && !defined(_INCLUDE_USES_KMOD_POST_MK)
_INCLUDE_USES_KMOD_POST_MK= yes

pre-install: ${STAGEDIR}${KMODDIR}
${STAGEDIR}${KMODDIR}:
    @${MKDIR} ${.TARGET}

kmod-post-install:
    @${ECHO_CMD} "@exec /usr/sbin/kldxref ${KMODDIR}" >> ${TMPPLIST}
    @${ECHO_CMD} "@unexec /usr/sbin/kldxref ${KMODDIR}" >> ${TMPPLIST}
.if ${KMODDIR} != /boot/modules
    @${ECHO_CMD} "@unexec rmdir -p ${KMODDIR} 2>/dev/null || true" \
        >> ${TMPPLIST}
.endif

.endif