2021-04-29 10:47:52 +00:00
|
|
|
# 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()
|
|
|
|
|
|
|
|
|
|
|
2021-04-28 14:27:19 +00:00
|
|
|
# Walks a target's public link libraries recursively, and performs some actions (poor man's
|
|
|
|
|
# polypmorphism)
|
|
|
|
|
#
|
|
|
|
|
# Walks INTERFACE_LINK_LIBRARIES for all target types, as well as LINK_LIBRARIES for static
|
|
|
|
|
# library targets.
|
|
|
|
|
#
|
|
|
|
|
# out_var: 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: the name of the variable where the collected rcc object files will be
|
|
|
|
|
# assigned (for the initial target and its dependencies)
|
|
|
|
|
# dict_name: used for caching the results, and preventing the same target from being processed
|
|
|
|
|
# twice
|
|
|
|
|
# operation: a string to tell the function what additional behaviors to execute.
|
|
|
|
|
# 'collect_libs' (default) operation is to collect linker file paths and flags.
|
|
|
|
|
# Used for prl file generation.
|
|
|
|
|
# 'promote_global' promotes walked imported targets to global scope.
|
|
|
|
|
# 'collect_targets' collects all target names (discards framework or link flags)
|
|
|
|
|
#
|
2021-04-29 10:47:52 +00:00
|
|
|
#
|
|
|
|
|
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")
|
2021-04-28 14:27:19 +00:00
|
|
|
|
|
|
|
|
if(operation STREQUAL "collect_targets")
|
|
|
|
|
__qt_internal_merge_libs(libs ${lib_target})
|
|
|
|
|
else()
|
|
|
|
|
__qt_internal_merge_libs(libs "$<TARGET_LINKER_FILE:${lib_target}>")
|
|
|
|
|
endif()
|
2021-04-29 10:47:52 +00:00
|
|
|
|
|
|
|
|
get_target_property(target_rcc_objects "${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 \
|
|
|
|
|
${target}, but not declared.")
|
|
|
|
|
else()
|
2021-04-28 14:27:19 +00:00
|
|
|
if(NOT operation STREQUAL "collect_targets")
|
|
|
|
|
set(final_lib_name_to_merge "${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}")
|
2021-04-29 10:47:52 +00:00
|
|
|
endif()
|
|
|
|
|
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()
|
2021-04-28 14:27:19 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
# Given ${target}, collect all its private dependencies that are CMake targets.
|
|
|
|
|
#
|
|
|
|
|
# Discards non-CMake-target dependencies like linker flags or file paths.
|
|
|
|
|
# Does nothing when given an interface library.
|
|
|
|
|
#
|
|
|
|
|
# To be used to extract the full list of target dependencies of a library or executable.
|
|
|
|
|
function(__qt_internal_collect_all_target_dependencies target out_var)
|
|
|
|
|
set(dep_targets "")
|
|
|
|
|
|
|
|
|
|
get_target_property(target_type ${target} TYPE)
|
|
|
|
|
|
|
|
|
|
if(NOT target_type STREQUAL "INTERFACE_LIBRARY")
|
|
|
|
|
get_target_property(link_libs ${target} LINK_LIBRARIES)
|
|
|
|
|
if(link_libs)
|
|
|
|
|
foreach(lib ${link_libs})
|
|
|
|
|
if(TARGET "${lib}")
|
|
|
|
|
list(APPEND dep_targets "${lib}")
|
|
|
|
|
|
|
|
|
|
__qt_internal_walk_libs(
|
|
|
|
|
"${lib}"
|
|
|
|
|
lib_walked_targets
|
|
|
|
|
_discarded_out_var
|
|
|
|
|
"qt_private_link_library_targets"
|
|
|
|
|
"collect_targets")
|
|
|
|
|
|
|
|
|
|
if(lib_walked_targets)
|
|
|
|
|
list(APPEND dep_targets ${lib_walked_targets})
|
|
|
|
|
endif()
|
|
|
|
|
endif()
|
|
|
|
|
endforeach()
|
|
|
|
|
endif()
|
|
|
|
|
endif()
|
|
|
|
|
|
|
|
|
|
list(REMOVE_DUPLICATES dep_targets)
|
|
|
|
|
|
|
|
|
|
set(${out_var} "${dep_targets}" PARENT_SCOPE)
|
|
|
|
|
endfunction()
|
