CMake: Make qt_internal_walk_libs available in public projects
Needed for the upcoming static plugin mechanism, where we have to extract the list of Qt module dependencies of a target and then extract the plugins associated with those modules. To do that we need to recursively collect the dependencies of a given target. Rename the moved functions to contain the __qt_internal prefix. Also rename the existing QtPublicTargetsHelpers.cmake into QtPlatformTargetHelpers.cmake to avoid confusion with the newly introduced QtPublicTargetHelpers.cmake. Task-number: QTBUG-92933 Change-Id: I48b5b6a8718a3424f59ca60f11fc9e97a809765d Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
This commit is contained in:
Alexandru Croitor
parent
b70a4da4f7
commit
471ff20f33
@ -134,7 +134,7 @@ target_include_directories(GlobalConfigPrivate INTERFACE
|
|||||||
)
|
)
|
||||||
add_library(Qt::GlobalConfigPrivate ALIAS GlobalConfigPrivate)
|
add_library(Qt::GlobalConfigPrivate ALIAS GlobalConfigPrivate)
|
||||||
|
|
||||||
include(QtPublicTargetsHelpers)
|
include(QtPlatformTargetHelpers)
|
||||||
qt_internal_setup_public_platform_target()
|
qt_internal_setup_public_platform_target()
|
||||||
|
|
||||||
# defines PlatformCommonInternal PlatformModuleInternal PlatformPluginInternal PlatformToolInternal
|
# defines PlatformCommonInternal PlatformModuleInternal PlatformPluginInternal PlatformToolInternal
|
||||||
@ -214,7 +214,7 @@ qt_copy_or_install(FILES
|
|||||||
cmake/QtPrecompiledHeadersHelpers.cmake
|
cmake/QtPrecompiledHeadersHelpers.cmake
|
||||||
cmake/QtPriHelpers.cmake
|
cmake/QtPriHelpers.cmake
|
||||||
cmake/QtPrlHelpers.cmake
|
cmake/QtPrlHelpers.cmake
|
||||||
cmake/QtPublicTargetsHelpers.cmake
|
cmake/QtPlatformTargetHelpers.cmake
|
||||||
cmake/QtProcessConfigureArgs.cmake
|
cmake/QtProcessConfigureArgs.cmake
|
||||||
cmake/QtQmakeHelpers.cmake
|
cmake/QtQmakeHelpers.cmake
|
||||||
cmake/QtResourceHelpers.cmake
|
cmake/QtResourceHelpers.cmake
|
||||||
@ -245,6 +245,8 @@ set(__public_cmake_helpers
|
|||||||
cmake/QtFeature.cmake
|
cmake/QtFeature.cmake
|
||||||
cmake/QtFeatureCommon.cmake
|
cmake/QtFeatureCommon.cmake
|
||||||
cmake/QtPublicPluginHelpers.cmake
|
cmake/QtPublicPluginHelpers.cmake
|
||||||
|
cmake/QtPublicTargetHelpers.cmake
|
||||||
|
cmake/QtPublicWalkLibsHelpers.cmake
|
||||||
)
|
)
|
||||||
|
|
||||||
qt_copy_or_install(FILES ${__public_cmake_helpers} DESTINATION "${__GlobalConfig_install_dir}")
|
qt_copy_or_install(FILES ${__public_cmake_helpers} DESTINATION "${__GlobalConfig_install_dir}")
|
||||||
|
|||||||
@ -547,6 +547,8 @@ endif()
|
|||||||
|
|
||||||
# Helpers that are available in public projects and while building Qt itself.
|
# Helpers that are available in public projects and while building Qt itself.
|
||||||
include(QtPublicPluginHelpers)
|
include(QtPublicPluginHelpers)
|
||||||
|
include(QtPublicTargetHelpers)
|
||||||
|
include(QtPublicWalkLibsHelpers)
|
||||||
|
|
||||||
|
|
||||||
# TODO: This block provides support for old variables. It should be removed once
|
# TODO: This block provides support for old variables. It should be removed once
|
||||||
|
|||||||
@ -56,6 +56,8 @@ file(TO_CMAKE_PATH "$ENV{QT_ADDITIONAL_PACKAGES_PREFIX_PATH}" _qt_additional_pac
|
|||||||
# Public helpers available to all Qt packages.
|
# Public helpers available to all Qt packages.
|
||||||
include("${CMAKE_CURRENT_LIST_DIR}/QtFeature.cmake")
|
include("${CMAKE_CURRENT_LIST_DIR}/QtFeature.cmake")
|
||||||
include("${CMAKE_CURRENT_LIST_DIR}/QtPublicPluginHelpers.cmake")
|
include("${CMAKE_CURRENT_LIST_DIR}/QtPublicPluginHelpers.cmake")
|
||||||
|
include("${CMAKE_CURRENT_LIST_DIR}/QtPublicTargetHelpers.cmake")
|
||||||
|
include("${CMAKE_CURRENT_LIST_DIR}/QtPublicWalkLibsHelpers.cmake")
|
||||||
|
|
||||||
# Find required dependencies, if any.
|
# Find required dependencies, if any.
|
||||||
include(CMakeFindDependencyMacro)
|
include(CMakeFindDependencyMacro)
|
||||||
|
|||||||
@ -7,9 +7,9 @@
|
|||||||
# Only works if called from qt_find_package(), because the promotion needs to happen in the same
|
# Only works if called from qt_find_package(), because the promotion needs to happen in the same
|
||||||
# directory scope where the imported target is first created.
|
# directory scope where the imported target is first created.
|
||||||
#
|
#
|
||||||
# Uses qt_internal_walk_libs.
|
# Uses __qt_internal_walk_libs.
|
||||||
function(qt_find_package_promote_targets_to_global_scope target)
|
function(qt_find_package_promote_targets_to_global_scope target)
|
||||||
qt_internal_walk_libs("${target}" _discarded_out_var _discarded_out_var_2
|
__qt_internal_walk_libs("${target}" _discarded_out_var _discarded_out_var_2
|
||||||
"qt_find_package_targets_dict" "promote_global")
|
"qt_find_package_targets_dict" "promote_global")
|
||||||
endfunction()
|
endfunction()
|
||||||
|
|
||||||
|
|||||||
@ -36,7 +36,7 @@ macro(qt_collect_third_party_deps target)
|
|||||||
endif()
|
endif()
|
||||||
|
|
||||||
# Strip any directory scope tokens.
|
# Strip any directory scope tokens.
|
||||||
qt_internal_strip_target_directory_scope_token("${dep}" dep)
|
__qt_internal_strip_target_directory_scope_token("${dep}" dep)
|
||||||
if(TARGET ${dep})
|
if(TARGET ${dep})
|
||||||
list(FIND third_party_deps_seen ${dep} dep_seen)
|
list(FIND third_party_deps_seen ${dep} dep_seen)
|
||||||
|
|
||||||
|
|||||||
@ -1,19 +1,8 @@
|
|||||||
# Add libraries to variable ${out_libs_var} in a way that duplicates
|
|
||||||
# are added at the end. This ensures the library order needed for the
|
|
||||||
# linker.
|
|
||||||
function(qt_merge_libs out_libs_var)
|
|
||||||
foreach(dep ${ARGN})
|
|
||||||
list(REMOVE_ITEM ${out_libs_var} ${dep})
|
|
||||||
list(APPEND ${out_libs_var} ${dep})
|
|
||||||
endforeach()
|
|
||||||
set(${out_libs_var} ${${out_libs_var}} PARENT_SCOPE)
|
|
||||||
endfunction()
|
|
||||||
|
|
||||||
# Collects the library dependencies of a target.
|
# Collects the library dependencies of a target.
|
||||||
# As well as rcc object file dependencies.
|
# As well as rcc object file dependencies.
|
||||||
# This takes into account transitive usage requirements.
|
# This takes into account transitive usage requirements.
|
||||||
function(qt_collect_libs target libs_out_var rcc_objects_out_var)
|
function(qt_collect_libs target libs_out_var rcc_objects_out_var)
|
||||||
qt_internal_walk_libs("${target}" "${libs_out_var}"
|
__qt_internal_walk_libs("${target}" "${libs_out_var}"
|
||||||
"${rcc_objects_out_var}" "qt_collect_libs_dict" "collect_libs")
|
"${rcc_objects_out_var}" "qt_collect_libs_dict" "collect_libs")
|
||||||
set("${libs_out_var}" "${${libs_out_var}}" PARENT_SCOPE)
|
set("${libs_out_var}" "${${libs_out_var}}" PARENT_SCOPE)
|
||||||
|
|
||||||
@ -21,230 +10,6 @@ function(qt_collect_libs target libs_out_var rcc_objects_out_var)
|
|||||||
|
|
||||||
endfunction()
|
endfunction()
|
||||||
|
|
||||||
# Extracts value from per-target dict key and assigns it to out_var.
|
|
||||||
# Assumes dict_name to be an existing INTERFACE target.
|
|
||||||
function(qt_internal_get_dict_key_values out_var target_infix dict_name dict_key)
|
|
||||||
get_target_property(values "${dict_name}" "INTERFACE_${target_infix}_${dict_key}")
|
|
||||||
set(${out_var} "${values}" PARENT_SCOPE)
|
|
||||||
endfunction()
|
|
||||||
|
|
||||||
# Assigns 'values' to per-target dict key, including for aliases of the target.
|
|
||||||
# Assumes dict_name to be an existing INTERFACE target.
|
|
||||||
function(qt_internal_memoize_values_in_dict target dict_name dict_key values)
|
|
||||||
# Memoize the computed values for the target as well as its aliases.
|
|
||||||
#
|
|
||||||
# Aka assigns the contents of ${values} to INTERFACE_Core, INTERFACE_Qt::Core,
|
|
||||||
# INTERFACE_Qt6::Core.
|
|
||||||
#
|
|
||||||
# Yes, i know it's crazy that target names are legal property names.
|
|
||||||
#
|
|
||||||
# Assigning for library aliases is needed to avoid multiple recomputation of values.
|
|
||||||
# Scenario in the context of qt_internal_walk_libs:
|
|
||||||
# 'values' are computed for Core target and memoized to INTERFACE_Core.
|
|
||||||
# When processing Gui, it depends on Qt::Core, but there are no values for INTERFACE_Qt::Core.
|
|
||||||
set_target_properties(${dict_name} PROPERTIES INTERFACE_${target}_${dict_key} "${values}")
|
|
||||||
|
|
||||||
get_target_property(versionless_alias "${target}" "_qt_versionless_alias")
|
|
||||||
if(versionless_alias)
|
|
||||||
qt_internal_get_dict_key_values(
|
|
||||||
versionless_values "${versionless_alias}" "${dict_name}" "${dict_key}")
|
|
||||||
if(versionless_values MATCHES "-NOTFOUND$")
|
|
||||||
set_target_properties(${dict_name}
|
|
||||||
PROPERTIES INTERFACE_${versionless_alias}_${dict_key} "${values}")
|
|
||||||
endif()
|
|
||||||
endif()
|
|
||||||
|
|
||||||
get_target_property(versionfull_alias "${target}" "_qt_versionfull_alias")
|
|
||||||
if(versionfull_alias)
|
|
||||||
qt_internal_get_dict_key_values(
|
|
||||||
versionfull_values "${versionfull_alias}" "${dict_name}" "${dict_key}")
|
|
||||||
if(versionfull_values MATCHES "-NOTFOUND$")
|
|
||||||
set_target_properties(${dict_name}
|
|
||||||
PROPERTIES INTERFACE_${versionfull_alias}_${dict_key} "${values}")
|
|
||||||
endif()
|
|
||||||
endif()
|
|
||||||
endfunction()
|
|
||||||
|
|
||||||
# Walks a target's link libraries recursively, and performs some actions (poor man's polypmorphism)
|
|
||||||
#
|
|
||||||
# out_var is the name of the variable where the result will be assigned. The result is a list of
|
|
||||||
# libraries, mostly in generator expression form.
|
|
||||||
# rcc_objects_out_var is the name of the variable where the collected rcc object files will be
|
|
||||||
# assigned (for the initial target and its dependencies)
|
|
||||||
# dict_name is used for caching the results, and preventing the same target from being processed
|
|
||||||
# twice
|
|
||||||
# operation is a string to tell the function what additional behaviors to execute.
|
|
||||||
function(qt_internal_walk_libs
|
|
||||||
target out_var rcc_objects_out_var dict_name operation)
|
|
||||||
set(collected ${ARGN})
|
|
||||||
if(target IN_LIST collected)
|
|
||||||
return()
|
|
||||||
endif()
|
|
||||||
list(APPEND collected ${target})
|
|
||||||
|
|
||||||
if(target STREQUAL "${QT_CMAKE_EXPORT_NAMESPACE}::EntryPoint")
|
|
||||||
# We can't (and don't need to) process EntryPoint because it brings in $<TARGET_PROPERTY:prop>
|
|
||||||
# genexes which get replaced with $<TARGET_PROPERTY:EntryPoint,prop> genexes in the code below
|
|
||||||
# and that causes 'INTERFACE_LIBRARY targets may only have whitelisted properties.' errors
|
|
||||||
# with CMake versions equal to or lower than 3.18. These errors are super unintuitive to
|
|
||||||
# debug because there's no mention that it's happening during a file(GENERATE) call.
|
|
||||||
return()
|
|
||||||
endif()
|
|
||||||
|
|
||||||
if(NOT TARGET ${dict_name})
|
|
||||||
add_library(${dict_name} INTERFACE IMPORTED GLOBAL)
|
|
||||||
endif()
|
|
||||||
qt_internal_get_dict_key_values(libs "${target}" "${dict_name}" "libs")
|
|
||||||
qt_internal_get_dict_key_values(rcc_objects "${target}" "${dict_name}" "rcc_objects")
|
|
||||||
|
|
||||||
if(libs MATCHES "-NOTFOUND$")
|
|
||||||
unset(libs)
|
|
||||||
unset(rcc_objects)
|
|
||||||
get_target_property(target_libs ${target} INTERFACE_LINK_LIBRARIES)
|
|
||||||
if(NOT target_libs)
|
|
||||||
unset(target_libs)
|
|
||||||
endif()
|
|
||||||
get_target_property(target_type ${target} TYPE)
|
|
||||||
if(target_type STREQUAL "STATIC_LIBRARY")
|
|
||||||
get_target_property(link_libs ${target} LINK_LIBRARIES)
|
|
||||||
if(link_libs)
|
|
||||||
list(APPEND target_libs ${link_libs})
|
|
||||||
endif()
|
|
||||||
endif()
|
|
||||||
|
|
||||||
# Need to record the rcc object file info not only for dependencies, but also for
|
|
||||||
# the current target too. Otherwise the saved information is incomplete for prl static
|
|
||||||
# build purposes.
|
|
||||||
get_target_property(main_target_rcc_objects ${target} _qt_rcc_objects)
|
|
||||||
if(main_target_rcc_objects)
|
|
||||||
qt_merge_libs(rcc_objects ${main_target_rcc_objects})
|
|
||||||
endif()
|
|
||||||
|
|
||||||
foreach(lib ${target_libs})
|
|
||||||
# Cannot use $<TARGET_POLICY:...> in add_custom_command.
|
|
||||||
# Check the policy now, and replace the generator expression with the value.
|
|
||||||
while(lib MATCHES "\\$<TARGET_POLICY:([^>]+)>")
|
|
||||||
cmake_policy(GET ${CMAKE_MATCH_1} value)
|
|
||||||
if(value STREQUAL "NEW")
|
|
||||||
set(value "TRUE")
|
|
||||||
else()
|
|
||||||
set(value "FALSE")
|
|
||||||
endif()
|
|
||||||
string(REPLACE "${CMAKE_MATCH_0}" "${value}" lib "${lib}")
|
|
||||||
endwhile()
|
|
||||||
|
|
||||||
# Fix up $<TARGET_PROPERTY:FOO> expressions that refer to the "current" target.
|
|
||||||
# Those cannot be used with add_custom_command.
|
|
||||||
while(lib MATCHES "\\$<TARGET_PROPERTY:([^,>]+)>")
|
|
||||||
string(REPLACE "${CMAKE_MATCH_0}" "$<TARGET_PROPERTY:${target},${CMAKE_MATCH_1}>"
|
|
||||||
lib "${lib}")
|
|
||||||
endwhile()
|
|
||||||
|
|
||||||
# Skip static plugins.
|
|
||||||
set(_is_plugin_marker_genex "\\$<BOOL:QT_IS_PLUGIN_GENEX>")
|
|
||||||
if(lib MATCHES "${_is_plugin_marker_genex}")
|
|
||||||
continue()
|
|
||||||
endif()
|
|
||||||
|
|
||||||
# Strip any directory scope tokens.
|
|
||||||
qt_internal_strip_target_directory_scope_token("${lib}" lib)
|
|
||||||
|
|
||||||
if(lib MATCHES "^\\$<TARGET_OBJECTS:")
|
|
||||||
# Skip object files.
|
|
||||||
continue()
|
|
||||||
elseif(lib MATCHES "^\\$<LINK_ONLY:(.*)>$")
|
|
||||||
set(lib_target ${CMAKE_MATCH_1})
|
|
||||||
else()
|
|
||||||
set(lib_target ${lib})
|
|
||||||
endif()
|
|
||||||
|
|
||||||
# Skip CMAKE_DIRECTORY_ID_SEP. If a target_link_libraries is applied to a target
|
|
||||||
# that was defined in a different scope, CMake appends and prepends a special directory
|
|
||||||
# id separator. Filter those out.
|
|
||||||
if(lib_target MATCHES "^::@")
|
|
||||||
continue()
|
|
||||||
elseif(TARGET ${lib_target})
|
|
||||||
if ("${lib_target}" MATCHES "^Qt::(.*)")
|
|
||||||
# If both, Qt::Foo and Foo targets exist, prefer the target name without
|
|
||||||
# namespace. Which one is preferred doesn't really matter. This code exists to
|
|
||||||
# avoid ending up with both, Qt::Foo and Foo in our dependencies.
|
|
||||||
set(namespaceless_lib_target "${CMAKE_MATCH_1}")
|
|
||||||
if(TARGET namespaceless_lib_target)
|
|
||||||
set(lib_target ${namespaceless_lib_target})
|
|
||||||
endif()
|
|
||||||
endif()
|
|
||||||
get_target_property(lib_target_type ${lib_target} TYPE)
|
|
||||||
if(lib_target_type STREQUAL "INTERFACE_LIBRARY")
|
|
||||||
qt_internal_walk_libs(
|
|
||||||
${lib_target}
|
|
||||||
lib_libs_${target}
|
|
||||||
lib_rcc_objects_${target}
|
|
||||||
"${dict_name}" "${operation}" ${collected})
|
|
||||||
if(lib_libs_${target})
|
|
||||||
qt_merge_libs(libs ${lib_libs_${target}})
|
|
||||||
set(is_module 0)
|
|
||||||
endif()
|
|
||||||
if(lib_rcc_objects_${target})
|
|
||||||
qt_merge_libs(rcc_objects ${lib_rcc_objects_${target}})
|
|
||||||
endif()
|
|
||||||
elseif(NOT lib_target_type STREQUAL "OBJECT_LIBRARY")
|
|
||||||
qt_merge_libs(libs "$<TARGET_LINKER_FILE:${lib_target}>")
|
|
||||||
|
|
||||||
get_target_property(target_rcc_objects "${lib_target}" _qt_rcc_objects)
|
|
||||||
if(target_rcc_objects)
|
|
||||||
qt_merge_libs(rcc_objects ${target_rcc_objects})
|
|
||||||
endif()
|
|
||||||
|
|
||||||
qt_internal_walk_libs(
|
|
||||||
${lib_target}
|
|
||||||
lib_libs_${target}
|
|
||||||
lib_rcc_objects_${target}
|
|
||||||
"${dict_name}" "${operation}" ${collected})
|
|
||||||
if(lib_libs_${target})
|
|
||||||
qt_merge_libs(libs ${lib_libs_${target}})
|
|
||||||
endif()
|
|
||||||
if(lib_rcc_objects_${target})
|
|
||||||
qt_merge_libs(rcc_objects ${lib_rcc_objects_${target}})
|
|
||||||
endif()
|
|
||||||
endif()
|
|
||||||
if(operation STREQUAL "promote_global")
|
|
||||||
set(lib_target_unaliased "${lib_target}")
|
|
||||||
get_target_property(aliased_target ${lib_target} ALIASED_TARGET)
|
|
||||||
if(aliased_target)
|
|
||||||
set(lib_target_unaliased ${aliased_target})
|
|
||||||
endif()
|
|
||||||
|
|
||||||
get_property(is_imported TARGET ${lib_target_unaliased} PROPERTY IMPORTED)
|
|
||||||
get_property(is_global TARGET ${lib_target_unaliased} PROPERTY IMPORTED_GLOBAL)
|
|
||||||
|
|
||||||
# Allow opting out of promotion. This is useful in certain corner cases
|
|
||||||
# like with WrapLibClang and Threads in qttools.
|
|
||||||
qt_internal_should_not_promote_package_target_to_global(
|
|
||||||
"${lib_target_unaliased}" should_not_promote)
|
|
||||||
if(NOT is_global AND is_imported AND NOT should_not_promote)
|
|
||||||
set_property(TARGET ${lib_target_unaliased} PROPERTY IMPORTED_GLOBAL TRUE)
|
|
||||||
endif()
|
|
||||||
endif()
|
|
||||||
elseif("${lib_target}" MATCHES "^Qt::(.*)")
|
|
||||||
message(FATAL_ERROR "The ${CMAKE_MATCH_1} target is mentioned as a dependency for \
|
|
||||||
${target}, but not declared.")
|
|
||||||
else()
|
|
||||||
set(final_lib_name_to_merge "${lib_target}")
|
|
||||||
if(lib_target MATCHES "/([^/]+).framework$")
|
|
||||||
set(final_lib_name_to_merge "-framework ${CMAKE_MATCH_1}")
|
|
||||||
endif()
|
|
||||||
qt_merge_libs(libs "${final_lib_name_to_merge}")
|
|
||||||
endif()
|
|
||||||
endforeach()
|
|
||||||
qt_internal_memoize_values_in_dict("${target}" "${dict_name}" "libs" "${libs}")
|
|
||||||
qt_internal_memoize_values_in_dict("${target}" "${dict_name}"
|
|
||||||
"rcc_objects" "${rcc_objects}")
|
|
||||||
|
|
||||||
endif()
|
|
||||||
set(${out_var} ${libs} PARENT_SCOPE)
|
|
||||||
set(${rcc_objects_out_var} ${rcc_objects} PARENT_SCOPE)
|
|
||||||
endfunction()
|
|
||||||
|
|
||||||
# Generate a qmake .prl file for the given target.
|
# Generate a qmake .prl file for the given target.
|
||||||
# The install_dir argument is a relative path, for example "lib".
|
# The install_dir argument is a relative path, for example "lib".
|
||||||
function(qt_generate_prl_file target install_dir)
|
function(qt_generate_prl_file target install_dir)
|
||||||
|
|||||||
16
cmake/QtPublicTargetHelpers.cmake
Normal file
16
cmake/QtPublicTargetHelpers.cmake
Normal file
@ -0,0 +1,16 @@
|
|||||||
|
function(__qt_internal_strip_target_directory_scope_token target out_var)
|
||||||
|
# In CMake versions earlier than CMake 3.18, a subdirectory scope id is appended to the
|
||||||
|
# target name if the target is referenced in a target_link_libraries command from a
|
||||||
|
# different directory scope than where the target was created.
|
||||||
|
# Strip it.
|
||||||
|
#
|
||||||
|
# For informational purposes, in CMake 3.18, the target name looks as follows:
|
||||||
|
# ::@(0x5604cb3f6b50);Threads::Threads;::@
|
||||||
|
# This case doesn't have to be stripped (at least for now), because when we iterate over
|
||||||
|
# link libraries, the tokens appear as separate target names.
|
||||||
|
#
|
||||||
|
# Example: Threads::Threads::@<0x5604cb3f6b50>
|
||||||
|
# Output: Threads::Threads
|
||||||
|
string(REGEX REPLACE "::@<.+>$" "" target "${target}")
|
||||||
|
set("${out_var}" "${target}" PARENT_SCOPE)
|
||||||
|
endfunction()
|
||||||
237
cmake/QtPublicWalkLibsHelpers.cmake
Normal file
237
cmake/QtPublicWalkLibsHelpers.cmake
Normal file
@ -0,0 +1,237 @@
|
|||||||
|
# Add libraries to variable ${out_libs_var} in a way that duplicates
|
||||||
|
# are added at the end. This ensures the library order needed for the
|
||||||
|
# linker.
|
||||||
|
function(__qt_internal_merge_libs out_libs_var)
|
||||||
|
foreach(dep ${ARGN})
|
||||||
|
list(REMOVE_ITEM ${out_libs_var} ${dep})
|
||||||
|
list(APPEND ${out_libs_var} ${dep})
|
||||||
|
endforeach()
|
||||||
|
set(${out_libs_var} ${${out_libs_var}} PARENT_SCOPE)
|
||||||
|
endfunction()
|
||||||
|
|
||||||
|
|
||||||
|
# Extracts value from per-target dict key and assigns it to out_var.
|
||||||
|
# Assumes dict_name to be an existing INTERFACE target.
|
||||||
|
function(__qt_internal_get_dict_key_values out_var target_infix dict_name dict_key)
|
||||||
|
get_target_property(values "${dict_name}" "INTERFACE_${target_infix}_${dict_key}")
|
||||||
|
set(${out_var} "${values}" PARENT_SCOPE)
|
||||||
|
endfunction()
|
||||||
|
|
||||||
|
|
||||||
|
# Assigns 'values' to per-target dict key, including for aliases of the target.
|
||||||
|
# Assumes dict_name to be an existing INTERFACE target.
|
||||||
|
function(__qt_internal_memoize_values_in_dict target dict_name dict_key values)
|
||||||
|
# Memoize the computed values for the target as well as its aliases.
|
||||||
|
#
|
||||||
|
# Aka assigns the contents of ${values} to INTERFACE_Core, INTERFACE_Qt::Core,
|
||||||
|
# INTERFACE_Qt6::Core.
|
||||||
|
#
|
||||||
|
# Yes, i know it's crazy that target names are legal property names.
|
||||||
|
#
|
||||||
|
# Assigning for library aliases is needed to avoid multiple recomputation of values.
|
||||||
|
# Scenario in the context of __qt_internal_walk_libs:
|
||||||
|
# 'values' are computed for Core target and memoized to INTERFACE_Core.
|
||||||
|
# When processing Gui, it depends on Qt::Core, but there are no values for INTERFACE_Qt::Core.
|
||||||
|
set_target_properties(${dict_name} PROPERTIES INTERFACE_${target}_${dict_key} "${values}")
|
||||||
|
|
||||||
|
get_target_property(versionless_alias "${target}" "_qt_versionless_alias")
|
||||||
|
if(versionless_alias)
|
||||||
|
__qt_internal_get_dict_key_values(
|
||||||
|
versionless_values "${versionless_alias}" "${dict_name}" "${dict_key}")
|
||||||
|
if(versionless_values MATCHES "-NOTFOUND$")
|
||||||
|
set_target_properties(${dict_name}
|
||||||
|
PROPERTIES INTERFACE_${versionless_alias}_${dict_key} "${values}")
|
||||||
|
endif()
|
||||||
|
endif()
|
||||||
|
|
||||||
|
get_target_property(versionfull_alias "${target}" "_qt_versionfull_alias")
|
||||||
|
if(versionfull_alias)
|
||||||
|
__qt_internal_get_dict_key_values(
|
||||||
|
versionfull_values "${versionfull_alias}" "${dict_name}" "${dict_key}")
|
||||||
|
if(versionfull_values MATCHES "-NOTFOUND$")
|
||||||
|
set_target_properties(${dict_name}
|
||||||
|
PROPERTIES INTERFACE_${versionfull_alias}_${dict_key} "${values}")
|
||||||
|
endif()
|
||||||
|
endif()
|
||||||
|
endfunction()
|
||||||
|
|
||||||
|
|
||||||
|
# Walks a target's link libraries recursively, and performs some actions (poor man's polypmorphism)
|
||||||
|
#
|
||||||
|
# out_var is the name of the variable where the result will be assigned. The result is a list of
|
||||||
|
# libraries, mostly in generator expression form.
|
||||||
|
# rcc_objects_out_var is the name of the variable where the collected rcc object files will be
|
||||||
|
# assigned (for the initial target and its dependencies)
|
||||||
|
# dict_name is used for caching the results, and preventing the same target from being processed
|
||||||
|
# twice
|
||||||
|
# operation is a string to tell the function what additional behaviors to execute.
|
||||||
|
function(__qt_internal_walk_libs
|
||||||
|
target out_var rcc_objects_out_var dict_name operation)
|
||||||
|
set(collected ${ARGN})
|
||||||
|
if(target IN_LIST collected)
|
||||||
|
return()
|
||||||
|
endif()
|
||||||
|
list(APPEND collected ${target})
|
||||||
|
|
||||||
|
if(target STREQUAL "${QT_CMAKE_EXPORT_NAMESPACE}::EntryPoint")
|
||||||
|
# We can't (and don't need to) process EntryPoint because it brings in $<TARGET_PROPERTY:prop>
|
||||||
|
# genexes which get replaced with $<TARGET_PROPERTY:EntryPoint,prop> genexes in the code below
|
||||||
|
# and that causes 'INTERFACE_LIBRARY targets may only have whitelisted properties.' errors
|
||||||
|
# with CMake versions equal to or lower than 3.18. These errors are super unintuitive to
|
||||||
|
# debug because there's no mention that it's happening during a file(GENERATE) call.
|
||||||
|
return()
|
||||||
|
endif()
|
||||||
|
|
||||||
|
if(NOT TARGET ${dict_name})
|
||||||
|
add_library(${dict_name} INTERFACE IMPORTED GLOBAL)
|
||||||
|
endif()
|
||||||
|
__qt_internal_get_dict_key_values(libs "${target}" "${dict_name}" "libs")
|
||||||
|
__qt_internal_get_dict_key_values(rcc_objects "${target}" "${dict_name}" "rcc_objects")
|
||||||
|
|
||||||
|
if(libs MATCHES "-NOTFOUND$")
|
||||||
|
unset(libs)
|
||||||
|
unset(rcc_objects)
|
||||||
|
get_target_property(target_libs ${target} INTERFACE_LINK_LIBRARIES)
|
||||||
|
if(NOT target_libs)
|
||||||
|
unset(target_libs)
|
||||||
|
endif()
|
||||||
|
get_target_property(target_type ${target} TYPE)
|
||||||
|
if(target_type STREQUAL "STATIC_LIBRARY")
|
||||||
|
get_target_property(link_libs ${target} LINK_LIBRARIES)
|
||||||
|
if(link_libs)
|
||||||
|
list(APPEND target_libs ${link_libs})
|
||||||
|
endif()
|
||||||
|
endif()
|
||||||
|
|
||||||
|
# Need to record the rcc object file info not only for dependencies, but also for
|
||||||
|
# the current target too. Otherwise the saved information is incomplete for prl static
|
||||||
|
# build purposes.
|
||||||
|
get_target_property(main_target_rcc_objects ${target} _qt_rcc_objects)
|
||||||
|
if(main_target_rcc_objects)
|
||||||
|
__qt_internal_merge_libs(rcc_objects ${main_target_rcc_objects})
|
||||||
|
endif()
|
||||||
|
|
||||||
|
foreach(lib ${target_libs})
|
||||||
|
# Cannot use $<TARGET_POLICY:...> in add_custom_command.
|
||||||
|
# Check the policy now, and replace the generator expression with the value.
|
||||||
|
while(lib MATCHES "\\$<TARGET_POLICY:([^>]+)>")
|
||||||
|
cmake_policy(GET ${CMAKE_MATCH_1} value)
|
||||||
|
if(value STREQUAL "NEW")
|
||||||
|
set(value "TRUE")
|
||||||
|
else()
|
||||||
|
set(value "FALSE")
|
||||||
|
endif()
|
||||||
|
string(REPLACE "${CMAKE_MATCH_0}" "${value}" lib "${lib}")
|
||||||
|
endwhile()
|
||||||
|
|
||||||
|
# Fix up $<TARGET_PROPERTY:FOO> expressions that refer to the "current" target.
|
||||||
|
# Those cannot be used with add_custom_command.
|
||||||
|
while(lib MATCHES "\\$<TARGET_PROPERTY:([^,>]+)>")
|
||||||
|
string(REPLACE "${CMAKE_MATCH_0}" "$<TARGET_PROPERTY:${target},${CMAKE_MATCH_1}>"
|
||||||
|
lib "${lib}")
|
||||||
|
endwhile()
|
||||||
|
|
||||||
|
# Skip static plugins.
|
||||||
|
set(_is_plugin_marker_genex "\\$<BOOL:QT_IS_PLUGIN_GENEX>")
|
||||||
|
if(lib MATCHES "${_is_plugin_marker_genex}")
|
||||||
|
continue()
|
||||||
|
endif()
|
||||||
|
|
||||||
|
# Strip any directory scope tokens.
|
||||||
|
__qt_internal_strip_target_directory_scope_token("${lib}" lib)
|
||||||
|
|
||||||
|
if(lib MATCHES "^\\$<TARGET_OBJECTS:")
|
||||||
|
# Skip object files.
|
||||||
|
continue()
|
||||||
|
elseif(lib MATCHES "^\\$<LINK_ONLY:(.*)>$")
|
||||||
|
set(lib_target ${CMAKE_MATCH_1})
|
||||||
|
else()
|
||||||
|
set(lib_target ${lib})
|
||||||
|
endif()
|
||||||
|
|
||||||
|
# Skip CMAKE_DIRECTORY_ID_SEP. If a target_link_libraries is applied to a target
|
||||||
|
# that was defined in a different scope, CMake appends and prepends a special directory
|
||||||
|
# id separator. Filter those out.
|
||||||
|
if(lib_target MATCHES "^::@")
|
||||||
|
continue()
|
||||||
|
elseif(TARGET ${lib_target})
|
||||||
|
if ("${lib_target}" MATCHES "^Qt::(.*)")
|
||||||
|
# If both, Qt::Foo and Foo targets exist, prefer the target name without
|
||||||
|
# namespace. Which one is preferred doesn't really matter. This code exists to
|
||||||
|
# avoid ending up with both, Qt::Foo and Foo in our dependencies.
|
||||||
|
set(namespaceless_lib_target "${CMAKE_MATCH_1}")
|
||||||
|
if(TARGET namespaceless_lib_target)
|
||||||
|
set(lib_target ${namespaceless_lib_target})
|
||||||
|
endif()
|
||||||
|
endif()
|
||||||
|
get_target_property(lib_target_type ${lib_target} TYPE)
|
||||||
|
if(lib_target_type STREQUAL "INTERFACE_LIBRARY")
|
||||||
|
__qt_internal_walk_libs(
|
||||||
|
${lib_target}
|
||||||
|
lib_libs_${target}
|
||||||
|
lib_rcc_objects_${target}
|
||||||
|
"${dict_name}" "${operation}" ${collected})
|
||||||
|
if(lib_libs_${target})
|
||||||
|
__qt_internal_merge_libs(libs ${lib_libs_${target}})
|
||||||
|
set(is_module 0)
|
||||||
|
endif()
|
||||||
|
if(lib_rcc_objects_${target})
|
||||||
|
__qt_internal_merge_libs(rcc_objects ${lib_rcc_objects_${target}})
|
||||||
|
endif()
|
||||||
|
elseif(NOT lib_target_type STREQUAL "OBJECT_LIBRARY")
|
||||||
|
__qt_internal_merge_libs(libs "$<TARGET_LINKER_FILE:${lib_target}>")
|
||||||
|
|
||||||
|
get_target_property(target_rcc_objects "${lib_target}" _qt_rcc_objects)
|
||||||
|
if(target_rcc_objects)
|
||||||
|
__qt_internal_merge_libs(rcc_objects ${target_rcc_objects})
|
||||||
|
endif()
|
||||||
|
|
||||||
|
__qt_internal_walk_libs(
|
||||||
|
${lib_target}
|
||||||
|
lib_libs_${target}
|
||||||
|
lib_rcc_objects_${target}
|
||||||
|
"${dict_name}" "${operation}" ${collected})
|
||||||
|
if(lib_libs_${target})
|
||||||
|
__qt_internal_merge_libs(libs ${lib_libs_${target}})
|
||||||
|
endif()
|
||||||
|
if(lib_rcc_objects_${target})
|
||||||
|
__qt_internal_merge_libs(rcc_objects ${lib_rcc_objects_${target}})
|
||||||
|
endif()
|
||||||
|
endif()
|
||||||
|
if(operation STREQUAL "promote_global")
|
||||||
|
set(lib_target_unaliased "${lib_target}")
|
||||||
|
get_target_property(aliased_target ${lib_target} ALIASED_TARGET)
|
||||||
|
if(aliased_target)
|
||||||
|
set(lib_target_unaliased ${aliased_target})
|
||||||
|
endif()
|
||||||
|
|
||||||
|
get_property(is_imported TARGET ${lib_target_unaliased} PROPERTY IMPORTED)
|
||||||
|
get_property(is_global TARGET ${lib_target_unaliased} PROPERTY IMPORTED_GLOBAL)
|
||||||
|
|
||||||
|
# Allow opting out of promotion. This is useful in certain corner cases
|
||||||
|
# like with WrapLibClang and Threads in qttools.
|
||||||
|
qt_internal_should_not_promote_package_target_to_global(
|
||||||
|
"${lib_target_unaliased}" should_not_promote)
|
||||||
|
if(NOT is_global AND is_imported AND NOT should_not_promote)
|
||||||
|
set_property(TARGET ${lib_target_unaliased} PROPERTY IMPORTED_GLOBAL TRUE)
|
||||||
|
endif()
|
||||||
|
endif()
|
||||||
|
elseif("${lib_target}" MATCHES "^Qt::(.*)")
|
||||||
|
message(FATAL_ERROR "The ${CMAKE_MATCH_1} target is mentioned as a dependency for \
|
||||||
|
${target}, but not declared.")
|
||||||
|
else()
|
||||||
|
set(final_lib_name_to_merge "${lib_target}")
|
||||||
|
if(lib_target MATCHES "/([^/]+).framework$")
|
||||||
|
set(final_lib_name_to_merge "-framework ${CMAKE_MATCH_1}")
|
||||||
|
endif()
|
||||||
|
__qt_internal_merge_libs(libs "${final_lib_name_to_merge}")
|
||||||
|
endif()
|
||||||
|
endforeach()
|
||||||
|
__qt_internal_memoize_values_in_dict("${target}" "${dict_name}" "libs" "${libs}")
|
||||||
|
__qt_internal_memoize_values_in_dict("${target}" "${dict_name}"
|
||||||
|
"rcc_objects" "${rcc_objects}")
|
||||||
|
|
||||||
|
endif()
|
||||||
|
set(${out_var} ${libs} PARENT_SCOPE)
|
||||||
|
set(${rcc_objects_out_var} ${rcc_objects} PARENT_SCOPE)
|
||||||
|
endfunction()
|
||||||
@ -264,23 +264,6 @@ function(qt_internal_check_directory_or_type name dir type default result_var)
|
|||||||
endif()
|
endif()
|
||||||
endfunction()
|
endfunction()
|
||||||
|
|
||||||
function(qt_internal_strip_target_directory_scope_token target out_var)
|
|
||||||
# In CMake versions earlier than CMake 3.18, a subdirectory scope id is appended to the
|
|
||||||
# target name if the target is referenced in a target_link_libraries command from a
|
|
||||||
# different directory scope than where the target was created.
|
|
||||||
# Strip it.
|
|
||||||
#
|
|
||||||
# For informational purposes, in CMake 3.18, the target name looks as follows:
|
|
||||||
# ::@(0x5604cb3f6b50);Threads::Threads;::@
|
|
||||||
# This case doesn't have to be stripped (at least for now), because when we iterate over
|
|
||||||
# link libraries, the tokens appear as separate target names.
|
|
||||||
#
|
|
||||||
# Example: Threads::Threads::@<0x5604cb3f6b50>
|
|
||||||
# Output: Threads::Threads
|
|
||||||
string(REGEX REPLACE "::@<.+>$" "" target "${target}")
|
|
||||||
set("${out_var}" "${target}" PARENT_SCOPE)
|
|
||||||
endfunction()
|
|
||||||
|
|
||||||
# Create a Qt*AdditionalTargetInfo.cmake file that is included by Qt*Config.cmake
|
# Create a Qt*AdditionalTargetInfo.cmake file that is included by Qt*Config.cmake
|
||||||
# and sets IMPORTED_*_<CONFIG> properties on the exported targets.
|
# and sets IMPORTED_*_<CONFIG> properties on the exported targets.
|
||||||
#
|
#
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user