diff options
Diffstat (limited to 'src/entrypoint/CMakeLists.txt')
| -rw-r--r-- | src/entrypoint/CMakeLists.txt | 79 |
1 files changed, 56 insertions, 23 deletions
diff --git a/src/entrypoint/CMakeLists.txt b/src/entrypoint/CMakeLists.txt index 5242337ee4..ba8342e41a 100644 --- a/src/entrypoint/CMakeLists.txt +++ b/src/entrypoint/CMakeLists.txt @@ -1,28 +1,59 @@ -# special case begin -# special case skip regeneration -if (NOT WIN32 AND NOT CMAKE_SYSTEM_NAME STREQUAL "iOS") +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: BSD-3-Clause + +if (NOT (WIN32 OR UIKIT)) return() endif() -# The EntryPoint package consists of two targets: one for CMake consumption, +# The EntryPointPrivate package consists of two targets: one for CMake consumption, # and one internal that produces the static library. Together these form the # entrypoint module in qmake terms. This split allows us to inject library # dependencies that need to go _before_ the static library, to work around # CMake's lack of whole archive. +# ---- Set up an intermediate imported library for libmingw32.a ---- + +set(export_name_prefix "${INSTALL_CMAKE_NAMESPACE}EntryPointPrivate") +qt_path_join(config_install_dir ${QT_CONFIG_INSTALL_DIR} ${export_name_prefix}) + +set(extra_cmake_includes_arg) +if(MINGW) + # The mingw32 library needs to come before the entry-point library in the linker line, so that + # the static linker will pick up the WinMain symbol from the entry-point library. In order to + # achieve that reliably, we create an imported library EntryPointMinGW32 that represents + # libmingw32.a and add a link dependency to EntryPointImplementation. The resulting dependency + # chain looks like this: EntryPointPrivate -> EntryPointMinGW32 -> EntryPointImplementation + + set(mingw32target_config_file "${INSTALL_CMAKE_NAMESPACE}EntryPointMinGW32Target.cmake") + configure_file("EntryPointMinGW32Target.cmake.in" "${mingw32target_config_file}" @ONLY) + qt_copy_or_install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${mingw32target_config_file}" + DESTINATION "${config_install_dir}") + # In prefix builds we also need to copy the file into the build config directory, so that the + # build-dir Qt6Config.cmake finds the files when building other repos in a top-level build. + if(QT_WILL_INSTALL) + get_filename_component(absolute_config_install_dir "${config_install_dir}" ABSOLUTE + BASE_DIR "${QT_BUILD_DIR}") + file(COPY "${CMAKE_CURRENT_BINARY_DIR}/${mingw32target_config_file}" + DESTINATION "${absolute_config_install_dir}") + endif() + include("${CMAKE_CURRENT_BINARY_DIR}/${mingw32target_config_file}") + set(extra_cmake_includes_arg EXTRA_CMAKE_INCLUDES "${mingw32target_config_file}") +endif() + # ---- The header-only target produces the actual module ---- -qt_internal_add_module(EntryPoint +qt_internal_add_module(EntryPointPrivate HEADER_MODULE INTERNAL_MODULE NO_SYNC_QT NO_MODULE_HEADERS NO_PRIVATE_MODULE NO_ADDITIONAL_TARGET_INFO + ${extra_cmake_includes_arg} ) -set(export_targets EntryPoint) +set(export_targets EntryPointPrivate) # We don't need any include paths or default module defines -set_target_properties(EntryPoint PROPERTIES +set_target_properties(EntryPointPrivate PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "" INTERFACE_COMPILE_DEFINITIONS "" ) @@ -67,31 +98,37 @@ if(WIN32) endif() if(MINGW) - # The mingw32 library needs to come before the entry-point library in the - # linker line, so that the static linker will pick up the WinMain symbol - # from the entry-point library. - target_link_libraries(EntryPoint INTERFACE mingw32) - set_property(TARGET EntryPoint APPEND PROPERTY INTERFACE_QT_MODULE_LDFLAGS "-lmingw32") + # Link against EntryPointImplementation via EntryPointMinGW32 + target_link_libraries(EntryPointPrivate INTERFACE EntryPointMinGW32) + set_property(TARGET EntryPointPrivate + APPEND PROPERTY INTERFACE_QT_MODULE_LDFLAGS "-lmingw32" + ) - target_compile_definitions(EntryPoint INTERFACE QT_NEEDS_QMAIN) + target_compile_definitions(EntryPointPrivate INTERFACE QT_NEEDS_QMAIN) qt_internal_extend_target(EntryPointImplementation DEFINES QT_NEEDS_QMAIN) endif() + + qt_internal_add_sync_header_dependencies(EntryPointImplementation Core) endif() -if(CMAKE_SYSTEM_NAME STREQUAL "iOS") - set_target_properties(EntryPoint PROPERTIES INTERFACE_LINK_OPTIONS "-Wl,-e,_qt_main_wrapper") - set_property(TARGET EntryPoint APPEND PROPERTY INTERFACE_QT_MODULE_LDFLAGS "-Wl,-e,_qt_main_wrapper") +if(UIKIT) + set_target_properties(EntryPointPrivate PROPERTIES + INTERFACE_LINK_OPTIONS "-Wl,-e,_qt_main_wrapper" + ) + set_property(TARGET EntryPointPrivate + APPEND PROPERTY INTERFACE_QT_MODULE_LDFLAGS "-Wl,-e,_qt_main_wrapper" + ) endif() # ---- Finally, make sure the static library can be consumed by clients ----- if(using_entrypoint_library) - target_link_libraries(EntryPoint INTERFACE Qt6::EntryPointImplementation) + target_link_libraries(EntryPointPrivate INTERFACE Qt6::EntryPointImplementation) qt_internal_get_target_property(entrypoint_implementation_ldflags EntryPointImplementation QT_MODULE_LDFLAGS) - set_target_properties(EntryPoint PROPERTIES + set_target_properties(EntryPointPrivate PROPERTIES INTERFACE_QT_MODULE_PRI_EXTRA_CONTENT " QT.entrypoint_implementation.name = QtEntryPointImplementation QT.entrypoint_implementation.module = Qt6EntryPoint${QT_LIBINFIX} @@ -102,16 +139,12 @@ QT.entrypoint_implementation.module_config = staticlib v2 internal_module INTERFACE_QT_MODULE_DEPENDS "entrypoint_implementation" ) - set(export_name "${INSTALL_CMAKE_NAMESPACE}EntryPointTargets") + set(export_name "${INSTALL_CMAKE_NAMESPACE}EntryPointPrivateTargets") qt_install(TARGETS EntryPointImplementation EXPORT ${export_name}) qt_generate_prl_file(EntryPointImplementation "${INSTALL_LIBDIR}") endif() -set(export_name_prefix "${INSTALL_CMAKE_NAMESPACE}EntryPoint") -qt_path_join(config_install_dir ${QT_CONFIG_INSTALL_DIR} ${export_name_prefix}) qt_internal_export_additional_targets_file( TARGETS ${export_targets} EXPORT_NAME_PREFIX ${export_name_prefix} CONFIG_INSTALL_DIR "${config_install_dir}") - -# special case end |