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# $NetBSD: pf.buildlink3.mk,v 1.1 2008/06/26 20:58:48 peter Exp $
#
# Makefile fragment for packages using pf.
#
# The following variables are set by this file:
#
# PFVAR_H The path to the pfvar.h header file.
# PFCTL The path to the pfctl program.
# PF_VERSION The detected PF version (as in OpenBSD).
#
.if !defined(PF_BUILDLINK3_MK)
PF_BUILDLINK3_MK= #defined
.include "../../mk/bsd.fast.prefs.mk"
# Platforms where pf is available on.
ONLY_FOR_PLATFORM?= NetBSD-[3-9]*-* OpenBSD-[3-9]*-* FreeBSD-[5-9]*-* \
DragonFly-*-*
# Detect the pfvar.h header.
.if exists(/usr/include/net/pfvar.h)
_PFVAR_H= /usr/include/net/pfvar.h
.elif exists(/usr/include/net/pf/pfvar.h)
_PFVAR_H= /usr/include/net/pf/pfvar.h
.else
PKG_FAIL_REASON+= "Couldn't find pfvar.h header; please make sure that this header is available in /usr/include/net."
.endif
PFVAR_H?= ${_PFVAR_H}
PFCTL?= /sbin/pfctl
# Compute the version number of the PF API by checking for the presence
# of symbols added in newer versions and store the result in ${PF_VERSION}.
# Default to the first version with PF, which was OpenBSD 3.0.
PF_VERSION= 3.0
.if !empty(PFVAR_H)
# OpenBSD 4.2: pf_statelist added
_PF_4_2!= ${GREP} -c pf_statelist ${PFVAR_H} || ${TRUE}
# OpenBSD 4.1: PF_OSFP_INET6 added
_PF_4_1!= ${GREP} -c PF_OSFP_INET6 ${PFVAR_H} || ${TRUE}
# OpenBSD 3.8: pf_socket_lookup added
_PF_3_8!= ${GREP} -c pf_socket_lookup ${PFVAR_H} || ${TRUE}
# OpenBSD 3.7: pf_threshold added
_PF_3_7!= ${GREP} -c pf_threshold ${PFVAR_H} || ${TRUE}
# OpenBSD 3.6: pf_cksum_fixup added
_PF_3_6!= ${GREP} -c pf_cksum_fixup ${PFVAR_H} || ${TRUE}
# OpenBSD 3.5: pfi_lookup_if added
_PF_3_5!= ${GREP} -c pfi_lookup_if ${PFVAR_H} || ${TRUE}
. if ${_PF_4_2} != "0"
PF_VERSION= 4.2
. elif ${_PF_4_1} != "0"
PF_VERSION= 4.1
. elif ${_PF_3_8} != "0"
PF_VERSION= 3.8
. elif ${_PF_3_7} != "0"
PF_VERSION= 3.7
. elif ${_PF_3_6} != "0"
PF_VERSION= 3.6
. elif ${_PF_3_5} != "0"
PF_VERSION= 3.5
. endif
.endif
.endif # PF_BUILDLINK3_MK
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