qt5base-lts/cmake/QtPlugins.cmake.in
Jean-Michaël Celerier 5769e1a2f6 cmake: allow client apps to load static plug-ins
Based in part on Kyle Edwards's implementation :
https://codereview.qt-project.org/c/qt/qtbase/+/243731

Example :
```
cmake_minimum_required(VERSION 3.15)
project(foo)

add_executable(foo main.cpp)

find_package(ICU COMPONENTS i18n uc data REQUIRED)
find_package(Qt6 COMPONENTS Core Gui REQUIRED)
target_link_libraries(foo Qt6::Core Qt6::Gui)

qt_import_plugins(foo
    INCLUDE
        Qt6::qxcb
    EXCLUDE
        Qt6::qgtk3 Qt6::qeglfs-kms-integration Qt6::qjpeg
)
```

Change-Id: If7736c42f669f7d7f43052cae59c28fc7fcb4156
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
2019-07-05 14:56:56 +00:00

41 lines
1.9 KiB
CMake

@QT_MODULE_PLUGIN_INCLUDES@
if(NOT @BUILD_SHARED_LIBS@)
set(_module_target "@INSTALL_CMAKE_NAMESPACE@::@QT_MODULE@")
set(_default_plugins_genex "$<GENEX_EVAL:$<TARGET_PROPERTY:QT_DEFAULT_PLUGINS>>")
set(_manual_plugins_genex "$<GENEX_EVAL:$<TARGET_PROPERTY:QT_PLUGINS>>")
set(_no_plugins_genex "$<GENEX_EVAL:$<TARGET_PROPERTY:QT_NO_PLUGINS>>")
foreach(target @qt_plugins@)
set(_plugin_target "@INSTALL_CMAKE_NAMESPACE@::${target}")
get_target_property(_classname "${_plugin_target}" QT_PLUGIN_CLASS_NAME)
if(NOT _classname)
message("Warning: plugin ${_plugin_target} has no class name, skipping.")
continue()
endif()
set(_user_specified_genex "$<IN_LIST:${_plugin_target},${_manual_plugins_genex}>")
string(CONCAT _plugin_condition
"$<BOOL:$<OR:"
# Add this plugin if it\'s in the list of manual plugins or plugins for the type
"${_user_specified_genex},"
# Add this plugin if the default plugins haven't been disabled, the module of the plug-in
# is either empty or equal to the module name, and the user hasn't blacklisted it
"$<AND:"
"${_default_plugins_genex},"
"$<NOT:$<IN_LIST:${_plugin_target},${_no_plugins_genex}>>"
">"
">>"
)
set(_plugin_genex "$<${_plugin_condition}:${_plugin_target}>")
target_link_libraries(${_module_target} INTERFACE "${_plugin_genex}")
file(GENERATE
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/qt_@QT_MODULE@_${target}.cpp"
CONTENT "#include <QtPlugin>\nQ_IMPORT_PLUGIN(${_classname})"
)
target_sources(${_module_target} INTERFACE "$<${_plugin_condition}:${CMAKE_CURRENT_BINARY_DIR}/qt_@QT_MODULE@_${target}.cpp>")
endforeach()
endif()