Each qt_find_package can specify a PROVIDED_TARGETS option, to inform which targets will be created by that package. The call then saves the package name, version, etc on each of the provided targets. Currently the provided targets info is not persisted anywhere after configuration ends. We will need this for SBOM creation, so that we can collect information about such dependencies when configuring leaf repos, where find_dependency calls are implicit, and don't contain the PROVIDED_TARGETS option, and we need to go from package name to target name (and any recorded info it the target has). This is especially relevant for static library builds, where private dependencies become public dependencies. Collect the provided targets information at post process time and persist it for each 'package name + components requested' combination into the Dependencies.cmake file. This information will be used in a later change for SBOM generation. Change-Id: I1693f81b1ad3beaf9b02e44b09a5e977923f0d85 Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
56 lines
1.8 KiB
CMake
56 lines
1.8 KiB
CMake
# Copyright (C) 2022 The Qt Company Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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function(qt_internal_disable_find_package_global_promotion target)
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set_target_properties("${target}" PROPERTIES _qt_no_promote_global TRUE)
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endfunction()
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# Transforms a list of package components into a string, so it can serve as a valid infix
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# in a property name.
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function(_qt_internal_get_package_components_as_valid_key_infix value out_var)
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string(REPLACE ";" "_" valid_value "${value}")
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set(${out_var} "${valid_value}" PARENT_SCOPE)
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endfunction()
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# This function computes a unique key / id using the package name and the components that are
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# passed.
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# The result is later used as property name, to store provided targets for a specific
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# package + components combination.
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function(_qt_internal_get_package_components_id)
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set(opt_args "")
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set(single_args
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PACKAGE_NAME
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OUT_VAR_KEY
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)
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set(multi_args
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COMPONENTS
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OPTIONAL_COMPONENTS
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)
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cmake_parse_arguments(PARSE_ARGV 0 arg "${opt_args}" "${single_args}" "${multi_args}")
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_qt_internal_validate_all_args_are_parsed(arg)
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if(NOT arg_PACKAGE_NAME)
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message(FATAL_ERROR "PACKAGE_NAME is required")
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endif()
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if(NOT arg_OUT_VAR_KEY)
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message(FATAL_ERROR "OUT_VAR_KEY is required")
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endif()
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set(key "${arg_PACKAGE_NAME}")
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if(arg_COMPONENTS)
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_qt_internal_get_package_components_as_valid_key_infix("${arg_COMPONENTS}"
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components_as_string)
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string(APPEND key "-${components_as_string}")
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endif()
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if(arg_OPTIONAL_COMPONENTS)
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_qt_internal_get_package_components_as_valid_key_infix("${arg_OPTIONAL_COMPONENTS}"
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components_as_string)
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string(APPEND key "-${components_as_string}")
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endif()
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set(${arg_OUT_VAR_KEY} "${key}" PARENT_SCOPE)
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endfunction()
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