Cockatrice/cmake/FindQtRuntime.cmake
2026-08-28 19:46:28 +02:00

180 lines
5 KiB
CMake

# FindQtRuntime.cmake
#
# Find a compatible Qt version
#
# Inputs:
# WITH_SERVER
# WITH_CLIENT
# WITH_ORACLE
# TEST
#
# Outputs:
# COCKATRICE_QT_VERSION_NAME
# QT_CORE_MODULE
# SERVATRICE_QT_MODULES
# COCKATRICE_QT_MODULES
# ORACLE_QT_MODULES
# TEST_QT_MODULES
# QT_LIBRARY_DIR
# QT_PLUGINS_DIR
set(COCKATRICE_QT_VERSION_NAME Qt6)
# ---------------------------------------------------------------------------
# Define the Qt components required by each target
# ---------------------------------------------------------------------------
set(SERVATRICE_QT_COMPONENTS Network Sql WebSockets)
set(COCKATRICE_QT_COMPONENTS
Concurrent
Gui
Multimedia
Network
PrintSupport
ShaderTools
Svg
WebSockets
Widgets
Xml
Quick
QuickWidgets
)
set(ORACLE_QT_COMPONENTS Concurrent Network Svg Widgets)
set(TEST_QT_COMPONENTS Concurrent Network Svg Widgets)
# ---------------------------------------------------------------------------
# Determine which Qt components are required for this build
# ---------------------------------------------------------------------------
set(REQUIRED_QT_COMPONENTS Core)
if(WITH_SERVER)
list(APPEND REQUIRED_QT_COMPONENTS ${SERVATRICE_QT_COMPONENTS})
endif()
if(WITH_CLIENT)
list(APPEND REQUIRED_QT_COMPONENTS ${COCKATRICE_QT_COMPONENTS})
endif()
if(WITH_ORACLE)
list(APPEND REQUIRED_QT_COMPONENTS ${ORACLE_QT_COMPONENTS})
endif()
if(TEST)
list(APPEND REQUIRED_QT_COMPONENTS ${TEST_QT_COMPONENTS})
endif()
list(REMOVE_DUPLICATES REQUIRED_QT_COMPONENTS)
# ---------------------------------------------------------------------------
# Find Qt and define minimum version centrally
# ---------------------------------------------------------------------------
find_package(Qt6 6.4 REQUIRED COMPONENTS ${REQUIRED_QT_COMPONENTS} Linguist)
# ---------------------------------------------------------------------------
# Convert a component list such as:
# Network;Sql;WebSockets
# into:
# Qt6::Network;Qt6::Sql;Qt6::WebSockets
# ---------------------------------------------------------------------------
function(_qt_components_to_targets COMPONENTS OUTPUT_VARIABLE)
set(TARGETS)
foreach(COMPONENT IN LISTS COMPONENTS)
list(APPEND TARGETS "${COCKATRICE_QT_VERSION_NAME}::${COMPONENT}")
endforeach()
set(${OUTPUT_VARIABLE}
"${TARGETS}"
PARENT_SCOPE
)
endfunction()
# ---------------------------------------------------------------------------
# Export Qt target lists for the individual targets
# ---------------------------------------------------------------------------
if(WITH_SERVER)
_qt_components_to_targets("${SERVATRICE_QT_COMPONENTS}" SERVATRICE_QT_MODULES)
endif()
if(WITH_CLIENT)
_qt_components_to_targets("${COCKATRICE_QT_COMPONENTS}" COCKATRICE_QT_MODULES)
endif()
if(WITH_ORACLE)
_qt_components_to_targets("${ORACLE_QT_COMPONENTS}" ORACLE_QT_MODULES)
endif()
if(TEST)
_qt_components_to_targets("${TEST_QT_COMPONENTS}" TEST_QT_MODULES)
endif()
# Core-only export (useful for headless libraries)
set(QT_CORE_MODULE "${COCKATRICE_QT_VERSION_NAME}::Core")
# ---------------------------------------------------------------------------
# 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()
# ---------------------------------------------------------------------------
# Qt runtime/plugin paths
# ---------------------------------------------------------------------------
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
if(NOT TARGET Qt6::Core)
message(FATAL_ERROR "Qt6::Core target is not available")
endif()
get_target_property(QT_LIBRARY_DIR Qt6::Core LOCATION)
get_filename_component(QT_LIBRARY_DIR "${QT_LIBRARY_DIR}" DIRECTORY)
get_filename_component(QT_PLUGINS_DIR "${Qt6Core_DIR}/../../../${QT6_INSTALL_PLUGINS}" ABSOLUTE)
get_filename_component(QT_LIBRARY_DIR "${QT_LIBRARY_DIR}/../../.." 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(DEBUG "QT_PLUGINS_DIR = ${QT_PLUGINS_DIR}")
message(DEBUG "QT_LIBRARY_DIR = ${QT_LIBRARY_DIR}")
message(STATUS "Qt6_VERSION = ${Qt6_VERSION}")
message(STATUS "Qt6_DIR = ${Qt6_DIR}")
message(STATUS "Qt6Core_DIR = ${Qt6Core_DIR}")
message(STATUS "REQUIRED_QT_COMPONENTS = ${REQUIRED_QT_COMPONENTS}")
if(WITH_CLIENT)
message(STATUS "COCKATRICE_QT_MODULES = ${COCKATRICE_QT_MODULES}")
endif()
if(WITH_ORACLE)
message(STATUS "ORACLE_QT_MODULES = ${ORACLE_QT_MODULES}")
endif()
if(WITH_SERVER)
message(STATUS "SERVATRICE_QT_MODULES = ${SERVATRICE_QT_MODULES}")
endif()
if(TEST)
message(STATUS "TEST_QT_MODULES = ${TEST_QT_MODULES}")
endif()