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# Copyright (C) 2024 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# Adds a license id and its text to the sbom.
function(_qt_internal_sbom_add_license)
if(NOT QT_GENERATE_SBOM)
return()
endif()
set(opt_args
NO_LICENSE_REF_PREFIX
)
set(single_args
LICENSE_ID
LICENSE_PATH
EXTRACTED_TEXT
)
set(multi_args
)
cmake_parse_arguments(PARSE_ARGV 0 arg "${opt_args}" "${single_args}" "${multi_args}")
_qt_internal_validate_all_args_are_parsed(arg)
if(NOT arg_LICENSE_ID)
message(FATAL_ERROR "LICENSE_ID must be set")
endif()
if(NOT arg_TEXT AND NOT arg_LICENSE_PATH)
message(FATAL_ERROR "Either TEXT or LICENSE_PATH must be set")
endif()
# Sanitize the content a bit.
if(arg_TEXT)
set(text "${arg_TEXT}")
string(REPLACE ";" "$<SEMICOLON>" text "${text}")
string(REPLACE "\"" "\\\"" text "${text}")
else()
file(READ "${arg_LICENSE_PATH}" text)
string(REPLACE ";" "$<SEMICOLON>" text "${text}")
string(REPLACE "\"" "\\\"" text "${text}")
endif()
set(license_id "${arg_LICENSE_ID}")
if(NOT arg_NO_LICENSE_REF_PREFIX)
set(license_id "LicenseRef-${license_id}")
endif()
_qt_internal_sbom_generate_add_license(
LICENSE_ID "${license_id}"
EXTRACTED_TEXT "<text>${text}</text>"
)
endfunction()
# Get a qt spdx license expression given the id.
function(_qt_internal_sbom_get_spdx_license_expression id out_var)
set(license "")
# The default for modules / plugins
if(id STREQUAL "QT_DEFAULT" OR id STREQUAL "QT_COMMERCIAL_OR_LGPL3")
set(license "LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only")
# For commercial only entities
elseif(id STREQUAL "QT_COMMERCIAL")
set(license "LicenseRef-Qt-Commercial")
# For GPL3 only modules
elseif(id STREQUAL "QT_COMMERCIAL_OR_GPL3")
set(license "LicenseRef-Qt-Commercial OR GPL-3.0-only")
# For tools and apps
elseif(id STREQUAL "QT_COMMERCIAL_OR_GPL3_WITH_EXCEPTION")
set(license "LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0")
# For things like the qtmain library
elseif(id STREQUAL "QT_COMMERCIAL_OR_BSD3")
set(license "LicenseRef-Qt-Commercial OR BSD-3-Clause")
# For documentation
elseif(id STREQUAL "QT_COMMERCIAL_OR_GFDL1_3")
set(license "LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only")
# For examples and the like
elseif(id STREQUAL "BSD3")
set(license "BSD-3-Clause")
endif()
if(NOT license)
message(FATAL_ERROR "No SPDX license expression found for id: ${id}")
endif()
set(${out_var} "${license}" PARENT_SCOPE)
endfunction()
# Joins two license IDs with the given ${op}, avoiding parenthesis when possible.
function(_qt_internal_sbom_join_two_license_ids_with_op left_id op right_id out_var)
if(NOT left_id)
set(${out_var} "${right_id}" PARENT_SCOPE)
return()
endif()
if(NOT right_id)
set(${out_var} "${left_id}" PARENT_SCOPE)
return()
endif()
set(value "(${left_id}) ${op} (${right_id})")
set(${out_var} "${value}" PARENT_SCOPE)
endfunction()
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