diff options
| -rw-r--r-- | cmake/QtTargetHelpers.cmake | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/cmake/QtTargetHelpers.cmake b/cmake/QtTargetHelpers.cmake index fefc582f04..1c9e1247b6 100644 --- a/cmake/QtTargetHelpers.cmake +++ b/cmake/QtTargetHelpers.cmake @@ -62,14 +62,19 @@ function(qt_internal_extend_target target) # CMake versions less than 3.19 don't support adding the source files to the PRIVATE scope # of the INTERFACE libraries. These PRIVATE sources are only needed by IDEs to display # them in a project tree, so to avoid build issues and appearing the sources in - # INTERFACE_SOURCES property of INTERFACE_LIBRARY let's simply exclude them for - # compatibility with CMake versions less than 3.19. + # INTERFACE_SOURCES property of INTERFACE_LIBRARY. Collect them inside the + # _qt_internal_target_sources property, since they can be useful in the source processing + # functions. The property itself is not exported and should only be used in the Qt internal + # build tree. if(NOT is_interface_lib OR CMAKE_VERSION VERSION_GREATER_EQUAL "3.19") target_sources("${target}" PRIVATE ${arg_SOURCES} ${dbus_sources}) if (arg_COMPILE_FLAGS) set_source_files_properties(${arg_SOURCES} PROPERTIES COMPILE_FLAGS "${arg_COMPILE_FLAGS}") endif() + else() + set_property(TARGET ${target} APPEND PROPERTY + _qt_internal_target_sources ${arg_SOURCES} ${dbus_sources}) endif() set(public_visibility_option "PUBLIC") @@ -907,3 +912,25 @@ function(qt_internal_add_repo_local_defines target) target_compile_definitions("${target}" PRIVATE ${QT_EXTRA_INTERNAL_TARGET_DEFINES}) endif() endfunction() + +# The function returns the value of the target's SOURCES property. The function takes into account +# the limitation of the CMake version less than 3.19, that restricts to add non-interface sources +# to an interface target. +# Note: The function works correctly only if qt_internal_extend_target is used when adding source +# files. +function(qt_internal_get_target_sources out_var target) + qt_internal_get_target_sources_property(sources_property) + get_target_property(${out_var} ${target} ${sources_property}) + set(${out_var} "${${out_var}}" PARENT_SCOPE) +endfunction() + +# The function distinguishes what property supposed to store target sources, based on target TYPE +# and the CMake version. +function(qt_internal_get_target_sources_property out_var) + set(${out_var} "SOURCES") + get_target_property(target_type ${target} TYPE) + if(CMAKE_VERSION VERSION_LESS "3.19" AND target_type STREQUAL "INTERFACE_LIBRARY") + set(${out_var} "_qt_internal_target_sources") + endif() + set(${out_var} "${${out_var}}" PARENT_SCOPE) +endfunction() |