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CMake: Move some of the target promotion functions to public files

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They will used from another Public.cmake file in a follow up commit.

Pick-to: 6.8
Change-Id: I71b69ed76ca48c391ba45329eb9c305e4a2a238b
Reviewed-by:  Alexey Edelev <alexey.edelev@qt.io>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
This commit is contained in:
Alexandru Croitor 2024-07-08 17:50:48 +02:00
parent 4801d4c708
commit dad49f5a1e
3 changed files with 24 additions and 24 deletions
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25
cmake/QtFindPackageHelpers.cmake
View File

@ -1,21 +1,6 @@
# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: BSD-3-Clause
# This function recursively walks transitive link libraries of the given target
# and promotes those targets to be IMPORTED_GLOBAL if they are not.
#
# This is required for .prl file generation in top-level builds, to make sure that imported 3rd
# party library targets in any repo are made global, so there are no scoping issues.
#
# Only works if called from qt_find_package(), because the promotion needs to happen in the same
# directory scope where the imported target is first created.
#
# Uses __qt_internal_walk_libs.
function(qt_find_package_promote_targets_to_global_scope target)
__qt_internal_walk_libs("${target}" _discarded_out_var _discarded_out_var_2
"qt_find_package_targets_dict" "promote_global")
endfunction()
# As an optimization when using -developer-build, qt_find_package records which
# packages were found during the initial configuration. Then on subsequent
# reconfigurations it skips looking for packages that were not found on the
@ -226,11 +211,11 @@ macro(qt_find_package)
get_property(is_global TARGET ${qt_find_package_target_name} PROPERTY
IMPORTED_GLOBAL)
qt_internal_should_not_promote_package_target_to_global(
_qt_internal_should_not_promote_package_target_to_global(
"${qt_find_package_target_name}" should_not_promote)
if(NOT is_global AND NOT should_not_promote)
__qt_internal_promote_target_to_global(${qt_find_package_target_name})
qt_find_package_promote_targets_to_global_scope(
_qt_find_package_promote_targets_to_global_scope(
"${qt_find_package_target_name}")
endif()
@ -658,9 +643,3 @@ function(qt_register_target_dependencies target public_libs private_libs)
set_target_properties("${target}" PROPERTIES _qt_target_deps "${target_deps}")
endfunction()
# Sets out_var to to TRUE if the target was marked to not be promoted to global scope.
function(qt_internal_should_not_promote_package_target_to_global target out_var)
get_property(should_not_promote TARGET "${target}" PROPERTY _qt_no_promote_global)
set("${out_var}" "${should_not_promote}" PARENT_SCOPE)
endfunction()

21
cmake/QtPublicTargetHelpers.cmake
View File

@ -253,6 +253,27 @@ function(__qt_internal_collect_object_libraries_recursively out_var target initi
set(${out_var} "${object_libraries}" PARENT_SCOPE)
endfunction()
# Sets out_var to to TRUE if the target was marked to not be promoted to global scope.
function(_qt_internal_should_not_promote_package_target_to_global target out_var)
get_property(should_not_promote TARGET "${target}" PROPERTY _qt_no_promote_global)
set("${out_var}" "${should_not_promote}" PARENT_SCOPE)
endfunction()
# This function recursively walks transitive link libraries of the given target
# and promotes those targets to be IMPORTED_GLOBAL if they are not.
#
# This is required for .prl file generation in top-level builds, to make sure that imported 3rd
# party library targets in any repo are made global, so there are no scoping issues.
#
# Only works if called from qt_find_package(), because the promotion needs to happen in the same
# directory scope where the imported target is first created.
#
# Uses __qt_internal_walk_libs.
function(_qt_find_package_promote_targets_to_global_scope target)
__qt_internal_walk_libs("${target}" _discarded_out_var _discarded_out_var_2
"qt_find_package_targets_dict" "promote_global")
endfunction()
function(__qt_internal_promote_target_to_global target)
get_property(is_global TARGET ${target} PROPERTY IMPORTED_GLOBAL)
if(NOT is_global)

2
cmake/QtPublicWalkLibsHelpers.cmake
View File

@ -249,7 +249,7 @@ function(__qt_internal_walk_libs
# Allow opting out of promotion. This is useful in certain corner cases
# like with WrapLibClang and Threads in qttools.
qt_internal_should_not_promote_package_target_to_global(
_qt_internal_should_not_promote_package_target_to_global(
"${lib_target_unaliased}" should_not_promote)
if(is_imported AND NOT should_not_promote)
__qt_internal_promote_target_to_global(${lib_target_unaliased})