Cockatrice/cmake/FindQtRuntime.cmake
2026-09-12 18:34:48 +02:00

173 lines
5 KiB
CMake

# FindQtRuntime.cmake
#
# Find a compatible Qt version
#
# Inputs:
# WITH_CLIENT
# WITH_ORACLE
# WITH_SERVER
# TEST
#
# Outputs:
# QT_MAIN_VERSION_STRING
# QT_CORE_MODULE
# QT_MODULES_COCKATRICE
# QT_MODULES_ORACLE
# QT_MODULES_SERVATRICE
# QT_MODULES_TEST
# QT_LIBRARY_DIR
# QT_PLUGINS_DIR
# ---------------------------------------------------------------------------
# Define the Qt components required by each target
# ---------------------------------------------------------------------------
set(QT_COMPONENTS_COCKATRICE
Concurrent
Gui
Multimedia
Network
PrintSupport
ShaderTools
Svg
WebSockets
Widgets
Xml
Quick
QuickWidgets
)
set(QT_COMPONENTS_ORACLE Concurrent Network Svg Widgets Xml)
set(QT_COMPONENTS_SERVATRICE Network Sql WebSockets)
# Union of Qt modules required across all test targets (independent of application targets).
# When adding a new test that needs additional Qt modules, add them here instead to tests/CMakeLists.txt.
set(QT_COMPONENTS_TEST Concurrent Network Svg Widgets)
# ---------------------------------------------------------------------------
# Determine which Qt components are required for this build
# ---------------------------------------------------------------------------
set(QT_COMPONENTS_REQUIRED Core)
if(WITH_CLIENT)
list(APPEND QT_COMPONENTS_REQUIRED ${QT_COMPONENTS_COCKATRICE})
endif()
if(WITH_ORACLE)
list(APPEND QT_COMPONENTS_REQUIRED ${QT_COMPONENTS_ORACLE})
endif()
if(WITH_SERVER)
list(APPEND QT_COMPONENTS_REQUIRED ${QT_COMPONENTS_SERVATRICE})
endif()
if(TEST)
list(APPEND QT_COMPONENTS_REQUIRED ${QT_COMPONENTS_TEST})
endif()
list(REMOVE_DUPLICATES QT_COMPONENTS_REQUIRED)
# ---------------------------------------------------------------------------
# Find Qt and define minimum version centrally
# ---------------------------------------------------------------------------
# Add Qt Linguist as required component unrelated of build target
find_package(Qt6 6.4 REQUIRED COMPONENTS ${QT_COMPONENTS_REQUIRED} LinguistTools)
set(QT_MAIN_VERSION_STRING Qt6)
# ---------------------------------------------------------------------------
# Qt Linguist tools
# ---------------------------------------------------------------------------
if(TARGET Qt6::lrelease)
set(QT6_LRELEASE_INDEX 0)
else()
message(WARNING "Qt6 lrelease not found.")
endif()
if(TARGET Qt6::lupdate)
set(QT6_LUPDATE_INDEX 0)
else()
message(WARNING "Qt6 lupdate not found.")
endif()
# ---------------------------------------------------------------------------
# Export Qt target lists for individual targets
# ---------------------------------------------------------------------------
# Convert components list into Qt modules, e.g.
# Network;Sql;WebSockets --> Qt6::Network;Qt6::Sql;Qt6::WebSockets
function(_qt_components_to_targets COMPONENTS OUTPUT_VARIABLE)
set(TARGETS)
foreach(COMPONENT IN LISTS COMPONENTS)
list(APPEND TARGETS "${QT_MAIN_VERSION_STRING}::${COMPONENT}")
endforeach()
set(${OUTPUT_VARIABLE}
"${TARGETS}"
PARENT_SCOPE
)
endfunction()
if(WITH_CLIENT)
_qt_components_to_targets("${QT_COMPONENTS_COCKATRICE}" QT_MODULES_COCKATRICE)
endif()
if(WITH_ORACLE)
_qt_components_to_targets("${QT_COMPONENTS_ORACLE}" QT_MODULES_ORACLE)
endif()
if(WITH_SERVER)
_qt_components_to_targets("${QT_COMPONENTS_SERVATRICE}" QT_MODULES_SERVATRICE)
endif()
if(TEST)
_qt_components_to_targets("${QT_COMPONENTS_TEST}" QT_MODULES_TEST)
endif()
# Core-only export (useful for headless libraries)
set(QT_CORE_MODULE "${QT_MAIN_VERSION_STRING}::Core")
# ---------------------------------------------------------------------------
# Qt runtime library & plugin paths
# ---------------------------------------------------------------------------
if(NOT TARGET "${QT_CORE_MODULE}")
message(FATAL_ERROR "${QT_CORE_MODULE} target is not available")
endif()
get_target_property(QT_LIBRARY_DIR "${QT_CORE_MODULE}" LOCATION)
get_filename_component(QT_LIBRARY_DIR "${QT_LIBRARY_DIR}" DIRECTORY)
get_filename_component(QT_LIBRARY_DIR "${QT_LIBRARY_DIR}/../../.." ABSOLUTE)
get_filename_component(QT_PLUGINS_DIR "${Qt6Core_DIR}/../../../${QT6_INSTALL_PLUGINS}" ABSOLUTE)
if(UNIX AND APPLE)
# macOS needs a bit more help finding all necessary components
list(APPEND QT_LIBRARY_DIR "/usr/local/lib")
endif()
# ---------------------------------------------------------------------------
# Debug information
# ---------------------------------------------------------------------------
message(STATUS "Found Qt: ${Qt6_DIR} (found version \"${Qt6_VERSION}\")")
message(STATUS "QT_COMPONENTS_REQUIRED = ${QT_COMPONENTS_REQUIRED}")
if(WITH_CLIENT)
message(STATUS "QT_MODULES_COCKATRICE = ${QT_MODULES_COCKATRICE}")
endif()
if(WITH_ORACLE)
message(STATUS "QT_MODULES_ORACLE = ${QT_MODULES_ORACLE}")
endif()
if(WITH_SERVER)
message(STATUS "QT_MODULES_SERVATRICE = ${QT_MODULES_SERVATRICE}")
endif()
if(TEST)
message(STATUS "QT_MODULES_TEST = ${QT_MODULES_TEST}")
endif()
message(DEBUG "QT_PLUGINS_DIR = ${QT_PLUGINS_DIR}")
message(DEBUG "QT_LIBRARY_DIR = ${QT_LIBRARY_DIR}")