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# $NetBSD: features-vars.mk,v 1.7 2007/10/01 11:47:00 rillig Exp $
#
# This file is included by bsd.prefs.mk.
#
# Package-settable variables:
#
# USE_FEATURES
# Lists the system features required by the package.
#
# Possible:
# * err: The functions err, verr, errx, verrx.
# * warn: The functions warn, vwarn, warnx, vwarnx.
# * fts_close, ftp_open, fts_read, fts_set: Functions
# for filesystem traversal.
# * getopt_long: The GNU version of getopt.
# * getprogname, setprogname
# * glob
# * regcomp
# * snprintf, vsnprintf
# * utimes
# * nbcompat: All of the above.
#
# Default value: undefined
#
# Variables defined by this file:
#
# MISSING_FEATURES
# The features listed in USE_FEATURES that are missing on the
# current system. Also includes "inet6" if the system doesn't
# support IPv6.
#
_VARGROUPS+= features
_USER_VARS.features= # none
_PKG_VARS.features= USE_FEATURES
_SYS_VARS.features= MISSING_FEATURES
MISSING_FEATURES= # empty
#
# Handle "inet6" feature specially -- we always add it to
# MISSING_FEATURES if the operating system doesn't support IPv6,
# regardless of whether or not "inet6" is a requested feature
# in USE_FEATURES.
#
.if defined(_OPSYS_HAS_INET6) && !empty(_OPSYS_HAS_INET6:M[nN][oO])
MISSING_FEATURES+= inet6
.endif
.for _feature_ in err warn
. if defined(USE_FEATURES) && !empty(USE_FEATURES:M${_feature_})
. if (${OPSYS} != NetBSD) && (${OPSYS} != FreeBSD) && (${OPSYS} != DragonFly)
MISSING_FEATURES+= ${_feature_}
. endif
. endif
.endfor
.for _feature_ in fts_close fts_open fts_read fts_set
. if defined(USE_FEATURES) && !empty(USE_FEATURES:M${_feature_})
. if !exists(/usr/include/fts.h)
MISSING_FEATURES+= ${_feature_}
. endif
. endif
.endfor
.for _feature_ in getopt_long
. if defined(USE_FEATURES) && !empty(USE_FEATURES:M${_feature_})
. if !exists(/usr/include/getopt.h)
MISSING_FEATURES+= ${_feature_}
. endif
. endif
.endfor
.for _feature_ in getprogname setprogname
. if defined(USE_FEATURES) && !empty(USE_FEATURES:M${_feature_})
. if (${OPSYS} != NetBSD) && (${OPSYS} != FreeBSD) && (${OPSYS} != DragonFly)
MISSING_FEATURES+= ${_feature_}
. endif
. endif
.endfor
.for _feature_ in glob
. if defined(USE_FEATURES) && !empty(USE_FEATURES:M${_feature_})
. if !exists(/usr/include/glob.h)
MISSING_FEATURES+= ${_feature_}
. endif
. endif
.endfor
.for _feature_ in regcomp
. if defined(USE_FEATURES) && !empty(USE_FEATURES:M${_feature_})
. if !exists(/usr/include/regex.h)
MISSING_FEATURES+= ${_feature_}
. endif
. endif
.endfor
.for _feature_ in snprintf vsnprintf
. if defined(USE_FEATURES) && !empty(USE_FEATURES:M${_feature_})
. if !empty(LOWER_OPSYS:Mirix5*)
MISSING_FEATURES+= ${_feature_}
. endif
. endif
.endfor
.for _feature_ in utimes
. if defined(USE_FEATURES) && !empty(USE_FEATURES:M${_feature_})
. if ${OPSYS} == "Interix"
MISSING_FEATURES+= ${_feature_}
. endif
. endif
.endfor
.if defined(USE_FEATURES) && !empty(USE_FEATURES:Mnbcompat)
MISSING_FEATURES+= nbcompat
.endif
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