mk/pf.buildlink3.mk

   1 # $NetBSD$
   2 #
   3 # Makefile fragment for packages using pf.
   4 #
   5 # The following variables are set by this file:
   6 #
   7 #   PFVAR_H     The path to the pfvar.h header file.
   8 #   PFCTL       The path to the pfctl program.
   9 #   PF_VERSION  The detected PF version (as in OpenBSD).
  10 #
  11
  12 .if !defined(PF_BUILDLINK3_MK)
  13 PF_BUILDLINK3_MK=       #defined
  14
  15 .include "../../mk/bsd.fast.prefs.mk"
  16
  17 # Platforms where pf is available on.
  18 ONLY_FOR_PLATFORM?=     NetBSD-[3-9]*-* OpenBSD-[3-9]*-* FreeBSD-[5-9]*-* \
  19                         DragonFly-*-*
  20
  21 # Detect the pfvar.h header.
  22 .if exists(/usr/include/net/pfvar.h)
  23 _PFVAR_H=       /usr/include/net/pfvar.h
  24 .elif exists(/usr/include/net/pf/pfvar.h)
  25 _PFVAR_H=       /usr/include/net/pf/pfvar.h
  26 .else
  27 PKG_FAIL_REASON+=       "Couldn't find pfvar.h header; please make sure that this header is available in /usr/include/net."
  28 .endif
  29
  30 PFVAR_H?=       ${_PFVAR_H}
  31 PFCTL?=         /sbin/pfctl
  32
  33 # Compute the version number of the PF API by checking for the presence
  34 # of symbols added in newer versions and store the result in ${PF_VERSION}.
  35
  36 # Default to the first version with PF, which was OpenBSD 3.0.
  37 PF_VERSION=     3.0
  38
  39 .if !empty(PFVAR_H)
  40 # OpenBSD 4.2: pf_statelist added
  41 _PF_4_2!=       ${GREP} -c pf_statelist ${PFVAR_H} || ${TRUE}
  42 # OpenBSD 4.1: PF_OSFP_INET6 added
  43 _PF_4_1!=       ${GREP} -c PF_OSFP_INET6 ${PFVAR_H} || ${TRUE}
  44 # OpenBSD 3.8: pf_socket_lookup added
  45 _PF_3_8!=       ${GREP} -c pf_socket_lookup ${PFVAR_H} || ${TRUE}
  46 # OpenBSD 3.7: pf_threshold added
  47 _PF_3_7!=       ${GREP} -c pf_threshold ${PFVAR_H} || ${TRUE}
  48 # OpenBSD 3.6: pf_cksum_fixup added
  49 _PF_3_6!=       ${GREP} -c pf_cksum_fixup ${PFVAR_H} || ${TRUE}
  50 # OpenBSD 3.5: pfi_lookup_if added
  51 _PF_3_5!=       ${GREP} -c pfi_lookup_if ${PFVAR_H} || ${TRUE}
  52
  53 .    if ${_PF_4_2} != "0"
  54 PF_VERSION=     4.2
  55 .    elif ${_PF_4_1} != "0"
  56 PF_VERSION=     4.1
  57 .    elif ${_PF_3_8} != "0"
  58 PF_VERSION=     3.8
  59 .    elif ${_PF_3_7} != "0"
  60 PF_VERSION=     3.7
  61 .    elif ${_PF_3_6} != "0"
  62 PF_VERSION=     3.6
  63 .    elif ${_PF_3_5} != "0"
  64 PF_VERSION=     3.5
  65 .    endif
  66 .endif
  67
  68 .endif  # PF_BUILDLINK3_MK