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# $NetBSD: license.mk,v 1.11 2009/03/25 13:50:44 rillig Exp $
#
# Note: This file is in draft state and not yet included in default
# pkgsrc operations.
#
# This file handles everything about the LICENSE variable. It is
# included automatically by bsd.pkg.mk.
#
# XXX: Some of this content arguably belongs in the pkgsrc guide
# instead.
#
# === User-settable variables ===
#
# ACCEPTABLE_LICENSES
# If a package declares a license and that license is not a
# member of the list defined by this variable, pkgsrc will
# refuse to build the package.
#
# XXX: pkg_install should also check LICENSE and decline to
# install if it is not in ACCEPTABLE_LICENSES.
#
# XXX: Perhaps there should be some mechanism to prevent running
# programs that are part of packages that declare LICENSEs that
# are not in ACCEPTABLE_LICENSES or some per-user variable.
# This is surely controversial and requires discussion.
#
# To include the default licenses, you can use the += operator
# in mk.conf. To override it, use the plain = operator.
#
# Default value: ${DEFAULT_ACCEPTABLE_LICENSES}
#
# === Package-settable variables ===
#
# LICENSE
# The license of the package.
#
# Sometimes licensing is other than a single text file. See
# doc/TODO for discussion of how to handle packages with dual
# licensing (a choice) or where multiple licenses apply
# simultaneously.
#
# Every package should specify its license. (Prior to July 2007,
# Open Source and Free software did not have license tags.)
#
# As of 2008-01, we are adding #LICENSE=; until this file is
# included from bsd.pkg.mk such tags will cause failure because
# DEFAULT_ACCEPTABLE_LICENSES is not yet implemented.
#
# Licenses are collected in the licenses/ subdirectory of
# pkgsrc. For open source license, we generally use the same
# names as either the Open Source Initiative or the Free
# Software Foundation, choosing a name to reduce confusion.
# Open source and free licenses do not have a -license suffix,
# and non-free licenses do.
#
# http://opensource.org/licenses/category
# http://www.fsf.org/licensing/licenses/index_html
#
# === Predefined variables ===
#
# DEFAULT_ACCEPTABLE_LICENSES
# The list of licenses that will be the default value of
# ACCEPTABLE_LICENSES. Adapting the longstanding policy of Open
# Source or Free licenses not requiring tags, it should contain
# all licenses that are Open Source or Free, so as to provide
# the most expansive default that almost all people find
# acceptable. (Many people will want to add more licenses to
# ACCEPTABLE_LICENSES; the point is to have a default that very
# few people want to shrink.)
#
# === See also ===
#
# ../doc/TODO, section "Licenses of packages"
#
# Keywords: licence
#
# This list is not complete. Free and Open Source licenses should be
# added to the list as they are added to pkgsrc.
# The convention is that Free or Open Source licenses do not have a
# -license suffix, and nonfree licenses end in -license.
# XXX open-font-license should perhaps be changed to open-font
# XXX Surely we will encounter licenses that clearly are Free, but
# which have not been formally approved. These licenses, if added,
# should be somehow marked.
DEFAULT_ACCEPTABLE_LICENSES= \
public-domain \
gnu-gpl-v2 gnu-lgpl-v2 \
gnu-gpl-v3 gnu-lgpl-v3 \
original-bsd modified-bsd \
x11 \
apache-2.0 \
cddl-1.0 \
open-font-license
.if !defined(LICENSE)
# XXX Revisit date.
. if defined(AFTER_2007Q3)
LICENSE?= unknown
PKG_FAIL_REASON+= "[license.mk] Every package must define a LICENSE."
. else
WARNINGS+= "[license.mk] Every package should define a LICENSE."
. endif
.else
# Note: some bulk builders rely on the fact that they can set
# _ACCEPTABLE to bypass license checks. Inform them when you intend to
# remove this variable.
. if defined(ACCEPTABLE_LICENSES) && !empty(ACCEPTABLE_LICENSES:M${LICENSE})
_ACCEPTABLE= yes
. endif
. if !defined(_ACCEPTABLE)
PKG_FAIL_REASON+= "${PKGNAME} has an unacceptable license: ${LICENSE}." \
" To view the license, enter \"${MAKE} show-license\"." \
" To indicate acceptance, add this line to your mk.conf:" \
" ACCEPTABLE_LICENSES+=${LICENSE}"
. endif
.endif
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