path: root/Mk/bsd.licenses.mk

#-*- mode: makefile; tab-width: 4; -*-
# ex:ts=4
#
# $FreeBSD$

Licenses_Include_MAINTAINER=         portmgr@FreeBSD.org

#
# bsd.licenses.mk - License auditing framework.
#
# Created by: Alejandro Pulver <alepulver@FreeBSD.org>
#
# Please view me with 4 column tabs!
#

# TODO:
# - Bring back save and checksum with new dialog interface (only offers to do
#   so if ran by root, otherwise silently remove the options). Also only allow
#   saving per-port options (known or unknown), and only when accepted.
# - Add custom restriction targets for better integration (now some files are
#   removed from FTP if restricted for CDROM for example, as the old
#   behavior).

# The following cases are not considered:
#
# - Redistribution of modified distfiles, because is never done.
# - Creating binaries from modified sources, because packages almost always
#   contain modifications to the source, can not be autodetected (i.e.
#   patch-* in ${FILESDIR}, post-* targets, etc), and these licenses tend to
#   have more restrictions anyways.
#

# Integration with target sequences
#
# _SANITY_SEQ+=     check-license (after check-vulnerable)
# _PATCH_SEQ+=      ask-license (before any other targets)
# _INSTALL_SUSEQ+=  install-license (after install-desktop-entries)
#
# The 'check-license' target will determine if the license was accepted,
# rejected or has to be asked later to the user in 'ask-license' (by then
# licenses should be extracted).  The 'install-license' target installs the
# applications' licenses, a general package license mentioning them, and a
# restriction report (to be used by ports, scripts and similar tools).

# Variables provided to the ports system and users in general, to modify the
# behavior of the framework
#
# DISABLE_LICENSES          - Disable license auditing framework completely.
# NO_LICENSES_INSTALL       - Do not install catalog, report and licenses.
# NO_LICENSES_DIALOGS       - Disable interactive menus for asking licenses.

#NO_LICENSES_INSTALL=       yes
#NO_LICENSES_DIALOGS=       yes

# Variables provided to users (can be passed to make or set in /etc/make.conf)
#
# LICENSES_ACCEPTED - Accepted licenses.
# LICENSES_REJECTED - Rejected licenses.
# LICENSES_GROUPS_ACCEPTED  - Accepted license groups.
# LICENSES_GROUPS_REJECTED  - Rejected license groups.
# LICENSES_ASK      - Require explicit user approval for all licenses not
#                     present in previous variables (for example, stock
#                     accepted licenses will ask confirmation).
#

# Variables provided to ports
#
# LICENSE           - Code of license (short name).
# LICENSE_PERMS     - Permissions; use "none" if empty.
# LICENSE_GROUPS    - Groups the license belongs.
# LICENSE_NAME      - Full license name (for the reports).
# LICENSE_FILE      - Full path to license (or use LICENSE_TEXT).
# LICENSE_TEXT      - Text to use as a license, useful when referencing to
#                     another place if it's not in the distfile.
# LICENSE_DISTFILES - Name of licensed files (defaults to ${_DISTFILES}).
# LICENSE_COMB      - Set to "dual" or "multi", for OR/AND behavior
#                     (defaults to "single" if undefined, the common case)
#
# The following cases are supported after defining LICENSE:
#
# Case 1: license defined in the framework (aka "known").
#
# In this case the only allowed variables to set are LICENSE_FILE and
# LICENSE_DISTFILES. The rest are managed by the framework and are not allowed
# to change.
#
# Case 2: license only known by the port (aka "unknown").
#
# In this case LICENSE_{PERMS,NAME} are mandatory, in addition to
# either LICENSE_FILE or LICENSE_TEXT. Optional variables are
# LICENSE_{GROUPS,NOTES}.
#
# Available components for LICENSE_PERMS:
# dist-mirror   - No free redistribution of distfile (like FTP mirroring; RESTRICTED).
# dist-sell     - No selling of distfile (like in CD-ROM; NO_CDROM).
# pkg-mirror    - No free redistribution of package (like FTP upload; NO_PACKAGE).
# pkg-sell      - No selling of package (like in CD-ROM; NO_CDROM).
# auto-accept   - If license is accepted by default, without presented
#                 agreement, unless the user defines LICENSES_ASK.
#
# Notes about permissions:
# - Permissions use a default-deny policy.
# - Components can be negated by prefixing them with "no-" (like
#   "no-pkg-sell").
# - In case a component is present and also excluded (i.e. no-dist-sell and
#   dist-sell together in LICENSE_PERMS), it will be excluded.
# - XXX Currently there is no point in "no-" prefixes, as permissions are not
#   inherited from groups. Maybe it looks more clear that way than leaving the
#   variable empty?
#
# Dual/multiple licenses:
#
# If LICENSE_COMB is set to "dual", then LICENSE can (must, actually) have
# more than one component. After that each license "lic" in LICENSE falls in
# previous cases (known or unknown), but their variables are prefixed by
# _LICENSE_ and suffixed by _lic. The main license name, perms and groups will
# be set automatically (following appropiate logic). The idea is that any
# license from LICENSE can be chosen to use the package.
#
# The case when LICENSE_COMB is set to "multi" is similar. But the idea is
# that all of the licenses in LICENSE must be agreed to use the package.
#

.if defined(_POSTMKINCLUDED) && !defined(BEFOREPORTMK)

.if defined(LICENSE)

# Include known licenses from database

.include "${PORTSDIR}/Mk/bsd.licenses.db.mk"

# Lists of variables and valid components
#
# _LICENSE_LIST_PERMS       - Valid permission components
# _LICENSE_LIST_PORT_VARS   - License variables defined by the port

_LICENSE_LIST_PERMS=        dist-mirror dist-sell pkg-mirror pkg-sell auto-accept none
_LICENSE_LIST_PORT_VARS=    PERMS NAME GROUPS

# Path variables
#
# _LICENSE_DIR      - Directory to install licenses
# _LICENSE_DIR_REL  - Same as above, without ${PREFIX}
# _LICENSE_STORE    - Store for known license files
# _LICENSE_CATALOG  - License catalog (make include file) to be created (dst)
# _LICENSE_CATALOG_TMP  - Same as above, but in WRKDIR (src)
# _LICENSE_REPORT   - License summary, shows licenses and how they are combined (dst)
# _LICENSE_REPORT_TMP   - Same as above, but in WRKDIR (src)
# _LICENSE_COOKIE   - Set when license is accepted, it is not present in
#                     bsd.port.mk to avoid creating LICENSE_{REQ,SEQ} for a
#                     few more targets only.

_LICENSE_DIR?=      ${PREFIX}/share/licenses/${PKGNAME}
_LICENSE_DIR_REL?=  share/licenses/${PKGNAME}
_LICENSE_STORE?=    ${PORTSDIR}/Templates/Licenses
_LICENSE_CATALOG?=  ${_LICENSE_DIR}/catalog.mk
_LICENSE_CATALOG_TMP?=  ${WRKDIR}/.license-catalog.mk
_LICENSE_REPORT?=   ${_LICENSE_DIR}/LICENSE
_LICENSE_REPORT_TMP?=   ${WRKDIR}/.license-report
_LICENSE_COOKIE?=   ${WRKDIR}/.license_done.${PORTNAME}.${PREFIX:S/\//_/g}

# Defaults (never overriden for now)
#
# _LICENSE          - Copy of LICENSE (for now)
# _LICENSE_COMB     - Copy of LICENSE_COMB (but "single" instead of empty)

_LICENSE?=          ${LICENSE}
.if !defined(LICENSE_COMB)
_LICENSE_COMB=      single
.else
_LICENSE_COMB=      ${LICENSE_COMB}
.endif

# Check if single or dual/multiple license
#
# Make sure LICENSE_COMB is only used with more than one license.

.if ${_LICENSE_COMB} != "single" && ${_LICENSE_COMB} != "dual" && ${_LICENSE_COMB} != "multi"
_LICENSE_ERROR?=    invalid value for LICENSE_COMB: "${_LICENSE_COMB}" (should be "single", "dual" or "multi")
.endif

.for lic in ${_LICENSE}
.   if defined(_LICENSE_DEFINED)
.       if ${_LICENSE_COMB} == "single"
_LICENSE_ERROR?=    multiple licenses in LICENSE, but LICENSE_COMB is set to "single" (or undefined)
.       else
_LICENSE_MULTI=     yes
.       endif
.   else
_LICENSE_DEFINED=   yes
.   endif
.endfor
.if ${_LICENSE_COMB} != "single" && !defined(_LICENSE_MULTI)
_LICENSE_ERROR?=    single license in LICENSE, but LICENSE_COMB is set to "${_LICENSE_COMB}" (requires more than one)
.endif
.if !defined(_LICENSE_DEFINED)
_LICENSE_ERROR?=    no licenses present in LICENSE (empty string)
.endif
.undef _LICENSE_DEFINED
.undef _LICENSE_MULTI

# Evaluate port license groups and permissions
#
# Available values for _LICENSE_TYPE:
#
# Case 1: "known" (license info taken from internal database)
# Case 2: "unknown" (LICENSE is not known, and info taken from port)
#
# Make sure required variables are defined, and remove conflicting (positive
# and negative) duplicated components.

.if ${_LICENSE_COMB} == "single"
# Defaults to empty
_LICENSE_GROUPS?=   #
# Start
.   for lic in ${_LICENSE}
.       if ${_LICENSE_LIST:M${lic}} != ""
# Case 1: license defined in the framework.
_LICENSE_TYPE=      known
.           for var in ${_LICENSE_LIST_PORT_VARS}
.               if defined(LICENSE_${var})
_LICENSE_ERROR?=    redefining LICENSE_${var} is not allowed for known licenses, to define a custom license try another LICENSE name like ${_LICENSE}-variant
.               endif
.               if !defined(_LICENSE_${var}_${lic})
_LICENSE_ERROR?=    ERROR: missing _LICENSE_${var}_${lic} in bsd.licenses.db.mk
.               else
_LICENSE_${var}=    ${_LICENSE_${var}_${lic}}
.               endif
.           endfor
# Check for LICENSE_FILE or at least LICENSE_TEXT (which simulates it)
.           if !defined(LICENSE_FILE)
.               if !defined(LICENSE_TEXT)
.                   if exists(${_LICENSE_STORE}/${lic})
_LICENSE_FILE=      ${_LICENSE_STORE}/${lic}
.                   else
# No license file in /usr/ports/Templates/Licenses
_LICENSE_TEXT=      The license: ${_LICENSE} (${_LICENSE_NAME}) is standard, please read from the web.
_LICENSE_FILE=      ${WRKDIR}/${lic}
.                   endif
.               else
_LICENSE_ERROR?=    defining LICENSE_TEXT is not allowed for known licenses
.               endif
.           else
_LICENSE_FILE=      ${LICENSE_FILE}
.           endif

.       else
# Case 2: license only known by the port.
_LICENSE_TYPE=      unknown
.           for var in ${_LICENSE_LIST_PORT_VARS}
.               if defined(LICENSE_${var})
_LICENSE_${var}=    ${LICENSE_${var}}
.               elif !defined(_LICENSE_${var})
_LICENSE_ERROR?=    for unknown licenses, defining LICENSE_${var} is mandatory (otherwise use a known LICENSE)
.               endif
.           endfor
# Check LICENSE_PERMS for invalid, ambiguous and duplicate components
__LICENSE_PERMS:=   #
.           for comp in ${_LICENSE_PERMS}
.               if ${_LICENSE_LIST_PERMS:M${comp:C/^no-//}} == ""
_LICENSE_ERROR?=    invalid LICENSE_PERMS component "${comp}"
.               elif ${__LICENSE_PERMS:M${comp}} == "" && \
                     ${_LICENSE_PERMS:Mno-${comp:C/^no-//}} == ""
__LICENSE_PERMS+=   ${comp}
.               endif
.           endfor
_LICENSE_PERMS:=    ${__LICENSE_PERMS}
.           undef __LICENSE_PERMS
# Check for LICENSE_FILE or at least LICENSE_TEXT (which simulates it)
.           if !defined(LICENSE_FILE)
.               if !defined(LICENSE_TEXT)
_LICENSE_ERROR?=    either LICENSE_FILE or LICENSE_TEXT must be defined
.               else
_LICENSE_TEXT=      ${LICENSE_TEXT}
_LICENSE_FILE=      ${WRKDIR}/${lic}
.               endif
.           else
_LICENSE_FILE=      ${LICENSE_FILE}
.           endif
.       endif

# Only one is allowed
.       if defined(LICENSE_FILE) && defined(LICENSE_TEXT)
_LICENSE_ERROR?=    defining both LICENSE_FILE and LICENSE_TEXT is not allowed
.       endif
# Distfiles
.       if !defined(LICENSE_DISTFILES)
_LICENSE_DISTFILES= ${_DISTFILES}
.       else
_LICENSE_DISTFILES= ${LICENSE_DISTFILES}
.       endif
.   endfor

.else
.   for lic in ${_LICENSE}
# Defaults to empty
_LICENSE_GROUPS_${lic}?=#
.       if ${_LICENSE_LIST:M${lic}} != ""
# Case 1: license defined in the framework.
_LICENSE_TYPE_${lic}=   known
.           for var in ${_LICENSE_LIST_PORT_VARS}
.               if defined(LICENSE_${var}_${lic})
_LICENSE_ERROR?=    redefining LICENSE_${var}_${lic} is not allowed for known licenses, to define a custom license try another LICENSE name for ${lic} like ${lic}-variant
.               endif
.               if !defined(_LICENSE_${var}_${lic})
_LICENSE_ERROR?=    ERROR: missing _LICENSE_${var}_${lic} in bsd.licenses.db.mk
.               endif
.           endfor
# Check for LICENSE_FILE or at least LICENSE_TEXT (which simulates it)
.           if !defined(LICENSE_FILE_${lic})
.               if !defined(LICENSE_TEXT_${lic})
.                   if exists(${_LICENSE_STORE}/${lic})
_LICENSE_FILE_${lic}=       ${_LICENSE_STORE}/${lic}
.                   else
#  No license file in /usr/ports/Templates/Licenses
_LICENSE_TEXT_${lic}=   The license: ${lic} (${_LICENSE_NAME_${lic}}) is standard, please read from the web.
_LICENSE_FILE_${lic}=   ${WRKDIR}/${lic}
.                   endif
.               else
_LICENSE_ERROR?=    defining LICENSE_TEXT_${lic} is not allowed for known licenses
.               endif
.           else
_LICENSE_FILE_${lic}=   ${LICENSE_FILE_${lic}}
.           endif

.       else
# Case 2: license only known by the port.
_LICENSE_TYPE_${lic}=   unknown
.           for var in ${_LICENSE_LIST_PORT_VARS}
.               if defined(LICENSE_${var}_${lic})
_LICENSE_${var}_${lic}= ${LICENSE_${var}_${lic}}
.               elif !defined(_LICENSE_${var}_${lic})
_LICENSE_ERROR?=    for unknown licenses, defining LICENSE_${var}_${lic} is mandatory (otherwise use a known LICENSE)
.               endif
.           endfor
# Check LICENSE_PERMS for invalid, ambiguous and duplicate components
__LICENSE_PERMS:=   #
.           for comp in ${_LICENSE_PERMS_${lic}}
.               if ${_LICENSE_LIST_PERMS:M${comp:C/^no-//}} == ""
_LICENSE_ERROR?=        invalid LICENSE_PERMS_${var} component "${comp}"
.               elif ${__LICENSE_PERMS:M${comp}} == "" && \
                     ${_LICENSE_PERMS_${lic}:Mno-${comp:C/^no-//}} == ""
__LICENSE_PERMS+=       ${comp}
.               endif
.           endfor
_LICENSE_PERMS_${lic}:= ${__LICENSE_PERMS}
.           undef __LICENSE_PERMS
# Check for LICENSE_FILE or at least LICENSE_TEXT (which simulates it)
.           if !defined(LICENSE_FILE_${lic})
.               if !defined(LICENSE_TEXT_${lic})
_LICENSE_ERROR?=        either LICENSE_FILE_${lic} or LICENSE_TEXT_${lic} must be defined
.               else
_LICENSE_TEXT_${lic}=   ${LICENSE_TEXT_${lic}}
_LICENSE_FILE_${lic}=   ${WRKDIR}/${lic}
.               endif
.           else
_LICENSE_FILE_${lic}=   ${LICENSE_FILE_${lic}}
.           endif
.       endif

# Only one is allowed
.       if defined(LICENSE_FILE_${lic}) && defined(LICENSE_TEXT_${lic})
_LICENSE_ERROR?=        defining both LICENSE_FILE_${lic} and LICENSE_TEXT_${lic}is not allowed
.       endif
# Distfiles
.       if !defined(LICENSE_DISTFILES_${lic})
_LICENSE_DISTFILES_${lic}=  ${_DISTFILES}
.       else
_LICENSE_DISTFILES_${lic}=  ${LICENSE_DISTFILES_${lic}}
.       endif
.   endfor
.endif

# Check if the user agrees with the license

# Make sure these are defined

LICENSES_ACCEPTED?=         #
LICENSES_REJECTED?=         #
LICENSES_GROUPS_ACCEPTED?=  #
LICENSES_GROUPS_REJECTED?=  #

# Evaluate per-license status

.if ${_LICENSE_COMB} == "single"
.   for lic in ${_LICENSE}
.       if ${LICENSES_REJECTED:M${lic}} != ""
_LICENSE_STATUS?=   rejected
.       endif
.       for group in ${_LICENSE_GROUPS}
.           if ${LICENSES_GROUPS_REJECTED:M${group}} != ""
_LICENSE_STATUS?=   rejected
.           endif
.           if ${LICENSES_GROUPS_ACCEPTED:M${group}} != ""
_LICENSE_STATUS?=   accepted
.           endif
.       endfor
.       if ${LICENSES_ACCEPTED:M${lic}} != ""
_LICENSE_STATUS?=   accepted
.       endif
.       if ${_LICENSE_PERMS:Mauto-accept} != "" && !defined(LICENSES_ASK)
_LICENSE_STATUS?=   accepted
.       endif
_LICENSE_STATUS?=   ask
.   endfor

.else
.   for lic in ${_LICENSE}
.       if ${LICENSES_REJECTED:M${lic}} != ""
_LICENSE_STATUS_${lic}?=    rejected
.       endif
.       for group in ${_LICENSE_GROUPS_${lic}}
.           if ${LICENSES_GROUPS_REJECTED:M${group}} != ""
_LICENSE_STATUS_${lic}?=    rejected
.           endif
.           if ${LICENSES_GROUPS_ACCEPTED:M${group}} != ""
_LICENSE_STATUS_${lic}?=    accepted
.           endif
.       endfor
.       if ${LICENSES_ACCEPTED:M${lic}} != ""
_LICENSE_STATUS_${lic}?=    accepted
.       endif
.       if ${_LICENSE_PERMS_${lic}:Mauto-accept} != "" && !defined(LICENSES_ASK)
_LICENSE_STATUS_${lic}?=    accepted
.       endif
_LICENSE_STATUS_${lic}?=    ask
.   endfor
.endif

# Evaluate general status

.if ${_LICENSE_COMB} == "dual"
.   for lic in ${_LICENSE}
.       if ${_LICENSE_STATUS_${lic}} == "accepted"
_LICENSE_STATUS=    accepted
.       elif ${_LICENSE_STATUS_${lic}} == "ask"
_LICENSE_STATUS?=   ask
_LICENSE_TO_ASK+=   ${lic}
.       endif
_LICENSE_STATUS?=   rejected
.   endfor

.elif ${_LICENSE_COMB} == "multi"
.   for lic in ${_LICENSE}
.       if ${_LICENSE_STATUS_${lic}} == "rejected"
_LICENSE_STATUS=    rejected
.       elif ${_LICENSE_STATUS_${lic}} == "ask"
_LICENSE_STATUS?=   ask
_LICENSE_TO_ASK+=   ${lic}
.       endif
.   endfor
_LICENSE_STATUS?=   accepted
.endif

# For dual/multi licenses, after processing all sub-licenses, the following
# must be determined: _LICENSE_NAME, _LICENSE_PERMS and _LICENSE_GROUPS.

.if ${_LICENSE_COMB} == "dual"
_LICENSE_NAME=      Dual (any of): ${_LICENSE}
# Calculate least restrictive permissions (union)
_LICENSE_PERMS:=    #
.   for lic in ${_LICENSE}
.       for comp in ${_LICENSE_LIST_PERMS}
.           if ${_LICENSE_PERMS_${lic}:M${comp}} != "" && \
               ${_LICENSE_PERMS:M${comp}} == ""
_LICENSE_PERMS+=    ${comp}
.           endif
.       endfor
.   endfor
# Calculate least restrictive groups (union)
_LICENSE_GROUPS:=   #
.   for lic in ${_LICENSE}
.       for comp in ${_LICENSE_LIST_GROUPS}
.           if ${_LICENSE_GROUPS_${lic}:M${comp}} != "" && \
               ${_LICENSE_GROUPS:M${comp}} == ""
_LICENSE_GROUPS+=   ${comp}
.           endif
.       endfor
.   endfor

.elif ${_LICENSE_COMB} == "multi"
_LICENSE_NAME=      Multiple (all of): ${_LICENSE}
# Calculate most restrictive permissions (intersection)
_LICENSE_PERMS:=    ${_LICENSE_LIST_PERMS}
.   for lic in ${_LICENSE}
.       for comp in ${_LICENSE_LIST_PERMS}
.           if ${_LICENSE_PERMS_${lic}:M${comp}} == ""
_LICENSE_PERMS:=    ${_LICENSE_PERMS:N${comp}}
.           endif
.       endfor
.   endfor
# Calculate most restrictive groups (intersection)
_LICENSE_GROUPS:=   ${_LICENSE_LIST_GROUPS}
.   for lic in ${_LICENSE}
.       for comp in ${_LICENSE_LIST_GROUPS}
.           if ${_LICENSE_GROUPS_${lic}:M${comp}} == ""
_LICENSE_GROUPS:=   ${_LICENSE_GROUPS:N${comp}}
.           endif
.       endfor
.   endfor
.endif

# Prepare information for asking license to the user

.if ${_LICENSE_STATUS} == "ask" && ${_LICENSE_COMB} != "single"
_LICENSE_ASK_DATA!= mktemp -ut portslicense
.endif

# Calculate restrictions and set RESTRICTED_FILES when
# appropiate, together with cleaning targets.
#
# XXX For multiple licenses restricted distfiles are always removed from both
# CDROM and FTP, but the current framework supports separating them (would
# require better/new delete-package and delete-distfiles targets)

.if ${_LICENSE_PERMS:Mpkg-mirror} == ""
_LICENSE_RESTRICTED+=   delete-package
.elif ${_LICENSE_PERMS:Mpkg-sell} == ""
_LICENSE_CDROM+=        delete-package
.endif

.if ${_LICENSE_COMB} == "multi"
.   for lic in ${_LICENSE}
.       if ${_LICENSE_PERMS_${lic}:Mdist-mirror} == "" || ${_LICENSE_PERMS_${lic}:Mdist-sell} == ""
RESTRICTED_FILES+=      ${_LICENSE_DISTFILES_${lic}}
.       endif
.   endfor
.   if defined(RESTRICTED_FILES)
RESTRICTED_FILES+=      ${_PATCHFILES}
_LICENSE_RESTRICTED+=   delete-distfiles
_LICENSE_CDROM+=        delete-distfiles
.   endif
.else
.   if ${_LICENSE_PERMS:Mdist-mirror} == ""
_LICENSE_RESTRICTED+=   delete-distfiles
RESTRICTED_FILES=       ${_PATCHFILES} ${_DISTFILES}
.   elif ${_LICENSE_PERMS:Mdist-sell} == ""
_LICENSE_CDROM+=        delete-distfiles
RESTRICTED_FILES=       ${_PATCHFILES} ${_DISTFILES}
.   endif
.endif

.if defined(_LICENSE_RESTRICTED)
clean-restricted:   ${_LICENSE_RESTRICTED}
clean-restricted-list: ${_LICENSE_RESTRICTED:C/$/-list/}
.else
clean-restricted:
clean-restricted-list:
.endif

.if defined(_LICENSE_CDROM)
clean-for-cdrom:    ${_LICENSE_CDROM}
clean-for-cdrom-list: ${_LICENSE_CDROM:C/$/-list/}
.else
clean-for-cdrom:
clean-for-cdrom-list:
.endif

# Check variables are correctly defined and print status up to here

check-license:
.if defined(_LICENSE_ERROR)
        @${ECHO_MSG} "===>  License not correctly defined: ${_LICENSE_ERROR}"
        @exit 1
.endif
.   if ${_LICENSE_STATUS} == "rejected"
        @${ECHO_MSG} "===>  License ${_LICENSE} rejected by the user"
        @${ECHO_MSG}
        @${ECHO_MSG} "If you want to install this port make sure the following license(s) are not present in LICENSES_REJECTED, either in make arguments or /etc/make.conf: ${_LICENSE}. Also check LICENSES_GROUPS_REJECTED in case they contain a group this license(s) belong to." | ${FMT}
        @${ECHO_MSG}
        @exit 1
.   elif ${_LICENSE_STATUS} == "accepted"
        @${ECHO_MSG} "===>  License ${_LICENSE} accepted by the user"
.   elif ${_LICENSE_STATUS} == "ask"
.       if defined(BATCH)
        @${ECHO_MSG} "===>  License ${_LICENSE} needs confirmation, but BATCH is defined"
        @exit 1
.       else
        @${ECHO_MSG} "===>  License ${_LICENSE} needs confirmation, will ask later"
.       endif
.   endif

# Display, ask and save preference if requested

ask-license: ${_LICENSE_COOKIE}

${_LICENSE_COOKIE}:
# Make sure all required license files exist
.if ${_LICENSE_COMB} == "single"
.   if !defined(LICENSE_FILE) && defined(_LICENSE_TEXT)
    @test -f ${_LICENSE_FILE} || ${ECHO_CMD} "${_LICENSE_TEXT}" | ${FMT} > ${_LICENSE_FILE}
.   endif
    @test -f ${_LICENSE_FILE} || \
        (${ECHO_MSG} "===>  Missing license file for ${_LICENSE} in ${_LICENSE_FILE}"; exit 1)
.else
.   for lic in ${_LICENSE}
.       if !defined(LICENSE_FILE_${lic}) && defined(_LICENSE_TEXT_${lic})
    @test -f ${_LICENSE_FILE_${lic}} || ${ECHO_CMD} "${_LICENSE_TEXT_${lic}}" | ${FMT} > ${_LICENSE_FILE_${lic}}
.       endif
    @test -f ${_LICENSE_FILE_${lic}} || \
        (${ECHO_MSG} "===>  Missing license file for ${lic} in ${_LICENSE_FILE_${lic}}"; exit 1)
.   endfor
.endif

.if ${_LICENSE_STATUS} == "ask"
.   if !defined(NO_LICENSES_DIALOGS)
# Dialog interface
.       if ${_LICENSE_COMB} == "single"
    @trap '${RM} -f $$tmpfile' EXIT INT TERM; \
    tmpfile=$$(mktemp -t portlicenses); \
    while true; do \
        ${DIALOG} --menu "License for ${PKGNAME} (${_LICENSE})" 21 70 15 accept "Accept license" reject "Reject license" view "View license" 2>"$${tmpfile}"; \
        result=`${CAT} $${tmpfile}`; \
        case $${result} in \
        accept) break ;; \
        reject) exit 1;; \
        view)   ${DIALOG} --textbox "${_LICENSE_FILE}" 21 75 ;; \
        esac; \
    done

.       elif ${_LICENSE_COMB} == "dual"
    @${RM} -f ${_LICENSE_ASK_DATA}
.           for lic in ${_LICENSE_TO_ASK}
    @${ECHO_CMD} "${lic}:${_LICENSE_FILE_${lic}}" >> ${_LICENSE_ASK_DATA}
.           endfor
    @menu_cmd="${DIALOG} --hline \"This port requires you to accept at least one license\" --menu \"License for ${PKGNAME} (dual)\" 21 70 15"; \
    trap '${RM} -f $$tmpfile' EXIT INT TERM; \
    tmpfile=$$(mktemp -t portlicenses); \
    for lic in ${_LICENSE_TO_ASK}; do \
        menu_cmd="$${menu_cmd} VIEW_$${lic} \"View the license $${lic}\" USE_$${lic} \"Accept the license $${lic}\""; \
    done; \
    menu_cmd="$${menu_cmd} REJECT \"Reject the licenses (all)\""; \
    while true; do \
        ${SH} -c "$${menu_cmd} 2>\"$${tmpfile}\""; \
        result=$$(${CAT} "$${tmpfile}"); \
        case $${result} in \
        REJECT) exit 1;; \
        VIEW_*) name=$$(${ECHO_CMD} $${result} | ${SED} -e 's/^VIEW_//'); \
                file=$$(${GREP} "^$${name}:" ${_LICENSE_ASK_DATA} | ${CUT} -d : -f 2); \
                ${DIALOG} --textbox "$${file}" 21 75 ;; \
        USE_*)  name=$$(${ECHO_CMD} $${result} | ${SED} -e 's/^USE_//'); \
                ${ECHO_CMD} $${name} > ${_LICENSE_COOKIE}; \
                break ;; \
        esac; \
    done

.       elif ${_LICENSE_COMB} == "multi"
    @${RM} -f ${_LICENSE_ASK_DATA}
.           for lic in ${_LICENSE_TO_ASK}
    @${ECHO_CMD} "${lic}:${_LICENSE_FILE_${lic}}" >> ${_LICENSE_ASK_DATA}
.           endfor
    @menu_cmd="${DIALOG} --hline \"This port requires you to accept all mentioned licenses\" --menu \"License for ${PKGNAME} (multi)\" 21 70 15"; \
    trap '${RM} -f $$tmpfile' EXIT INT TERM; \
    tmpfile=$$(mktemp -t portlicenses); \
    for lic in ${_LICENSE_TO_ASK}; do \
        menu_cmd="$${menu_cmd} VIEW_$${lic} \"View the license $${lic}\""; \
    done; \
    menu_cmd="$${menu_cmd} ACCEPT \"Accept the licenses (all)\" REJECT \"Reject the licenses (all)\""; \
    while true; do \
        ${SH} -c "$${menu_cmd} 2>\"$${tmpfile}\""; \
        result=$$(${CAT} "$${tmpfile}"); \
        case $${result} in \
        ACCEPT) break ;; \
        REJECT) exit 1 ;; \
        VIEW_*) name=$$(${ECHO_CMD} $${result} | ${SED} -e 's/^VIEW_//'); \
                file=$$(${GREP} "^$${name}:" ${_LICENSE_ASK_DATA} | ${CUT} -d : -f 2); \
                ${DIALOG} --textbox "$${file}" 21 75 ;; \
        esac; \
    done
.       endif

.   else
# Text interface
    @${ECHO_MSG}
.       if ${_LICENSE_COMB} == "single"
    @${ECHO_MSG} "To install the port you must agree to the license: ${_LICENSE} (${_LICENSE_NAME})." | ${FMT}
    @${ECHO_MSG}
    @${ECHO_MSG} "You can view the license at ${_LICENSE_FILE:S/${WRKDIR}\//${WRKDIR:T}\//}."
.       elif ${_LICENSE_COMB} == "dual"
    @${ECHO_MSG} "To install the port you must agree to any of the following licenses:"
.       elif ${_LICENSE_COMB} == "multi"
    @${ECHO_MSG} "To install the port you must agree to all of the following licenses:"
.       endif
    @${ECHO_MSG}
.       if ${_LICENSE_COMB} != "single"
.           for lic in ${_LICENSE_TO_ASK}
    @${ECHO_MSG} "- ${lic} (${_LICENSE_NAME_${lic}}), available at ${_LICENSE_FILE_${lic}:S/${WRKDIR}\//${WRKDIR:T}\//}"
.           endfor
    @${ECHO_MSG}
.       endif
    @${ECHO_MSG} "If you agree with the corresponding license(s), add them to LICENSES_ACCEPTED either in make arguments or /etc/make.conf." | ${FMT}
    @${ECHO_MSG}
    @exit 1
.   endif
    @${RM} -f ${_LICENSE_ASK_DATA}
.endif

# Create report and catalog
.if !defined(NO_LICENSES_INSTALL)
    @${RM} -f ${_LICENSE_CATALOG_TMP} ${_LICENSE_REPORT_TMP}
.   if ${_LICENSE_COMB} == "single"
# Catalog
.       for var in _LICENSE _LICENSE_NAME _LICENSE_PERMS _LICENSE_GROUPS _LICENSE_DISTFILES
    @${ECHO_CMD} "${var}=${${var}:C/^[[:blank:]]*//}" >> ${_LICENSE_CATALOG_TMP}
.       endfor
# Report
    @${ECHO_CMD} "This package has a single license: ${_LICENSE} (${_LICENSE_NAME})." > ${_LICENSE_REPORT_TMP}
.   else
# Catalog
.       for var in _LICENSE _LICENSE_COMB _LICENSE_NAME _LICENSE_PERMS _LICENSE_GROUPS
    @${ECHO_CMD} "${var}=${${var}:C/^[[:blank:]]*//}" >> ${_LICENSE_CATALOG_TMP}
.       endfor
.       if ${_LICENSE_COMB} == "dual" && ${_LICENSE_STATUS} == "ask"
    @${SED} -e 's/^/_LICENSE_SELECTED=/' ${_LICENSE_COOKIE} >> ${_LICENSE_CATALOG_TMP}
.       endif
.       for lic in ${_LICENSE}
.           for var in NAME PERMS GROUPS DISTFILES
    @${ECHO_CMD} "_LICENSE_${var}_${lic}=${_LICENSE_${var}_${lic}:C/^[[:blank:]]*//}" >> ${_LICENSE_CATALOG_TMP}
.           endfor
.       endfor
# Report
.       if ${_LICENSE_COMB} == "dual"
    @${ECHO_CMD} "This package has dual licenses (any of):"  >> ${_LICENSE_REPORT_TMP}
.       elif ${_LICENSE_COMB} == "multi"
    @${ECHO_CMD} "This package has multiple licenses (all of):"  >> ${_LICENSE_REPORT_TMP}
.       endif
.       for lic in ${_LICENSE}
    @${ECHO_CMD} "- ${lic} (${_LICENSE_NAME_${lic}})"  >> ${_LICENSE_REPORT_TMP}
.       endfor
.   endif
.endif

# Cookie (done here)
    @${TOUCH} ${_LICENSE_COOKIE}

# Package list entries, and installation

.if !defined(NO_LICENSES_INSTALL)
PLIST_FILES+=   ${_LICENSE_DIR_REL}/${_LICENSE_CATALOG:T} \
                ${_LICENSE_DIR_REL}/${_LICENSE_REPORT:T}

.if ${_LICENSE_COMB} == "single"
PLIST_FILES+=   ${_LICENSE_DIR_REL}/${_LICENSE}
.else
.   for lic in ${_LICENSE}
.       if defined(_LICENSE_FILE_${lic})
PLIST_FILES+=   ${_LICENSE_DIR_REL}/${lic}
.       endif
.   endfor
.endif

install-license:
    @${MKDIR} ${_LICENSE_DIR}
    @${INSTALL_DATA} ${_LICENSE_CATALOG_TMP} ${_LICENSE_CATALOG}
    @${INSTALL_DATA} ${_LICENSE_REPORT_TMP} ${_LICENSE_REPORT}
.if ${_LICENSE_COMB} == "single"
    @${INSTALL_DATA} ${_LICENSE_FILE} ${_LICENSE_DIR}/${_LICENSE}
.else
.   for lic in ${_LICENSE}
    @${INSTALL_DATA} ${_LICENSE_FILE_${lic}} ${_LICENSE_DIR}/${lic}
.   endfor
.endif
# XXX @dirrmtry entry must be here (no way to do with PLIST_* vars)
# XXX Important, keep the whitespace behind "@cwd "!
    @${ECHO_CMD} "@cwd " >> ${TMPPLIST}
    @${ECHO_CMD} "@dirrm ${_LICENSE_DIR_REL}" >> ${TMPPLIST}
    @${ECHO_CMD} "@unexec rmdir %D/share/licenses 2>/dev/null || true" >> ${TMPPLIST}

.else
install-license:
    @${DO_NADA}

.endif

.else   # !LICENSE

check-license:
    @${ECHO_MSG} "===>  License check disabled, port has not defined LICENSE"

.endif  # LICENSE

.endif