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# $NetBSD: distname.help,v 1.2 2007/09/11 21:21:33 rillig Exp $
#
# DISTNAME
# Every package definition should start with the definition of this
# variable. It is used in three places:
#
# 1. It is the first part of the default value for DISTFILES.
# 2. It is the default value for PKGNAME, except for the trailing
# "nb" part.
# 3. The default value of WRKSRC is ${WRKDIR}/${DISTNAME}.
#
# PKGNAME
# This variable is somewhat special in pkgsrc. On the one hand, it
# is intended to be defined by the package, but on the other hand,
# it is overridden by bsd.pkg.mk with a value that is similar, but
# not identical to the one provided by the package. This makes it
# somewhat tricky to use this variable correctly, because its
# value changes over time.
#
# When the variable is defined by the package, it should consist
# of the package name (PKGBASE) and version. The version is a list
# of numbers, separated by either a dot or one of the keywords
# "alpha", "beta", "pre", "rc" (release candidate),
# "pl" (patch level).
#
# The "nb" part, which is often seen in package names, is not
# specified with PKGNAME, but with PKGREVISION.
#
# Later, in bsd.pkg.mk, the "nb" part is added to PKGNAME, so when
# it is used in the package, its value may differ. The package
# name without the "nb" suffix is provided in the PKGNAME_NOREV
# variable.
#
# See also: DISTNAME, PKGREVISION, PKGNAME_NOREV.
#
# PKGREVISION
# When a pkgsrc package changes but there has not been an update
# of the upstream package, there must be a way to mark a package
# as "newer" than a previous one. That's the purpose of
# PKGREVISION.
#
# Whenever a package is modified in a user-visible way, this
# variable is increased.
#
# The value of PKGREVISION (if defined, non-empty and non-zero)
# is the last part of the PKGNAME, separated from the rest by the
# letters "nb" (which stand for NetBSD).
#
# Since this variable is specific to a single package, the only
# place where it may be defined is the package Makefile itself.
# No other file may define it.
#
# Keywords: nb
#
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