Reduce indentation in QtLinkage CMake module
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@ -1,127 +1,129 @@
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cmake_minimum_required(VERSION 3.3.0 FATAL_ERROR)
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# determines the Qt linkage
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# defines helper to link against Qt dynamically or statically
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if(NOT DEFINED QT_LINKAGE_DETERMINED)
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include(3rdParty)
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# prevent multiple inclusion
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if(DEFINED QT_LINKAGE_DETERMINED)
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return()
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endif()
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set(QT_LINKAGE_DETERMINED ON)
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# by default, require Qt 5.6 or higher
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if(NOT META_QT5_VERSION)
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set(META_QT5_VERSION 5.6)
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include(3rdParty)
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# by default, require Qt 5.6 or higher
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if(NOT META_QT5_VERSION)
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set(META_QT5_VERSION 5.6)
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endif()
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# determine whether to use dynamic or shared version of Qt (or both)
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set(QT_LINKAGE "AUTO_LINKAGE" CACHE STRING "specifies whether to link statically or dynamically against Qt 5")
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if(BUILD_STATIC_LIBS OR ("${QT_LINKAGE}" STREQUAL "AUTO_LINKAGE" AND ((STATIC_LINKAGE AND "${META_PROJECT_TYPE}" STREQUAL "application") OR (STATIC_LIBRARY_LINKAGE AND ("${META_PROJECT_TYPE}" STREQUAL "" OR "${META_PROJECT_TYPE}" STREQUAL "library")))) OR ("${QT_LINKAGE}" STREQUAL "STATIC"))
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set(USE_STATIC_QT_BUILD ON)
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message(STATUS "Checking for static Qt 5 libraries to use in project ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}")
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endif()
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if(("${QT_LINKAGE}" STREQUAL "AUTO_LINKAGE" AND (NOT (STATIC_LINKAGE AND "${META_PROJECT_TYPE}" STREQUAL "application") OR NOT (STATIC_LIBRARY_LINKAGE AND ("${META_PROJECT_TYPE}" STREQUAL "" OR "${META_PROJECT_TYPE}" STREQUAL "library")))) OR ("${QT_LINKAGE}" STREQUAL "SHARED"))
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set(USE_SHARED_QT_BUILD ON)
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message(STATUS "Checking for dynamic Qt 5 libraries to use in project ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}")
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endif()
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macro(find_qt5_module MODULE REQUIRED)
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# determine whether the library is required or optional
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# FIXME: improve passing required argument
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if("${REQUIRED}" STREQUAL "OPTIONAL")
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unset(QT_5_${MODULE}_REQUIRED)
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elseif("${REQUIRED}" STREQUAL "REQUIRED")
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set(QT_5_${MODULE}_REQUIRED "REQUIRED")
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else()
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message(FATAL_ERROR "Invalid use of link_against_library; must specify either REQUIRED or OPTIONAL.")
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endif()
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set(QT_LINKAGE "AUTO_LINKAGE" CACHE STRING "specifies whether to link statically or dynamically against Qt 5")
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if(BUILD_STATIC_LIBS OR ("${QT_LINKAGE}" STREQUAL "AUTO_LINKAGE" AND ((STATIC_LINKAGE AND "${META_PROJECT_TYPE}" STREQUAL "application") OR (STATIC_LIBRARY_LINKAGE AND ("${META_PROJECT_TYPE}" STREQUAL "" OR "${META_PROJECT_TYPE}" STREQUAL "library")))) OR ("${QT_LINKAGE}" STREQUAL "STATIC"))
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set(USE_STATIC_QT_BUILD ON)
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message(STATUS "Checking for static Qt 5 libraries to use in project ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}")
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endif()
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if(("${QT_LINKAGE}" STREQUAL "AUTO_LINKAGE" AND (NOT (STATIC_LINKAGE AND "${META_PROJECT_TYPE}" STREQUAL "application") OR NOT (STATIC_LIBRARY_LINKAGE AND ("${META_PROJECT_TYPE}" STREQUAL "" OR "${META_PROJECT_TYPE}" STREQUAL "library")))) OR ("${QT_LINKAGE}" STREQUAL "SHARED"))
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set(USE_SHARED_QT_BUILD ON)
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message(STATUS "Checking for dynamic Qt 5 libraries to use in project ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}")
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endif()
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macro(find_qt5_module MODULE REQUIRED)
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# determine whether the library is required or optional
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# FIXME: improve passing required argument
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if("${REQUIRED}" STREQUAL "OPTIONAL")
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unset(QT_5_${MODULE}_REQUIRED)
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elseif("${REQUIRED}" STREQUAL "REQUIRED")
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set(QT_5_${MODULE}_REQUIRED "REQUIRED")
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else()
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message(FATAL_ERROR "Invalid use of link_against_library; must specify either REQUIRED or OPTIONAL.")
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endif()
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# find static version
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if(USE_STATIC_QT_BUILD)
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# check for 'Static'-prefixed CMake module first
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# - patched mingw-w64-qt5 packages providing those files are available in my PKGBUILDs repository
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# - has the advantage that usage of dynamic and static Qt during the same build is possible
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find_package(StaticQt5${MODULE} ${META_QT5_VERSION})
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if(StaticQt5${MODULE}_FOUND)
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if(TARGET StaticQt5::${MODULE})
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set(QT5_${MODULE}_STATIC_PREFIX "StaticQt5::")
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else()
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set(QT5_${MODULE}_STATIC_PREFIX "Qt5::static::")
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endif()
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set(QT5_${MODULE}_STATIC_LIB "${QT5_${MODULE}_STATIC_PREFIX}${MODULE}")
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set(QT5_${MODULE}_ASSUME_STATIC OFF)
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set(QT5_${MODULE}_FOUND ON)
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# reverse lookup for pkg-config
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set(PC_PKG_STATIC_Qt5_${MODULE} "StaticQt5${MODULE}")
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set(PC_PKG_STATIC_StaticQt5_${MODULE} "StaticQt5${MODULE}")
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set(PC_PKG_STATIC_Qt5_static_${MODULE} "StaticQt5${MODULE}")
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# find static version
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if(USE_STATIC_QT_BUILD)
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# check for 'Static'-prefixed CMake module first
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# - patched mingw-w64-qt5 packages providing those files are available in my PKGBUILDs repository
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# - has the advantage that usage of dynamic and static Qt during the same build is possible
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find_package(StaticQt5${MODULE} ${META_QT5_VERSION})
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if(StaticQt5${MODULE}_FOUND)
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if(TARGET StaticQt5::${MODULE})
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set(QT5_${MODULE}_STATIC_PREFIX "StaticQt5::")
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else()
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# consider the regular Qt package (without "Static" prefix) the static version if
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# static Qt is required and Qt package with "Static" prefix doesn't exist
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# (fallback if not using patched version of Qt mentioned above)
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find_package(Qt5${MODULE} ${META_QT5_VERSION} ${QT_5_${MODULE}_REQUIRED})
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if(Qt5${MODULE}_FOUND)
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set(QT5_${MODULE}_STATIC_PREFIX "Qt5::")
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set(QT5_${MODULE}_STATIC_LIB "${QT5_${MODULE}_STATIC_PREFIX}${MODULE}")
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set(QT5_${MODULE}_ASSUME_STATIC ON)
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set(QT5_${MODULE}_FOUND ON)
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# reverse lookup for pkg-config
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set(PC_PKG_STATIC_Qt5_${MODULE} "Qt5${MODULE}")
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message(WARNING "Building static libs and/or static Qt linkage has been enabled. Hence assuming provided Qt 5 module ${MODULE} is static.")
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endif()
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endif()
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# use INTERFACE_LINK_LIBRARIES_RELEASE of the imported target as general INTERFACE_LINK_LIBRARIES to get correct transitive dependencies
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# under any configuration
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if(StaticQt5${MODULE}_FOUND OR Qt5${MODULE}_FOUND)
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get_target_property(QT5_${MODULE}_STATIC_LIB_DEPS "${QT5_${MODULE}_STATIC_LIB}" INTERFACE_LINK_LIBRARIES_RELEASE)
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set_target_properties("${QT5_${MODULE}_STATIC_LIB}" PROPERTIES INTERFACE_LINK_LIBRARIES "${QT5_${MODULE}_STATIC_LIB_DEPS}")
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endif()
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endif()
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# find dynamic version
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if(USE_SHARED_QT_BUILD)
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if(QT5_${MODULE}_ASSUME_STATIC)
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message(FATAL_ERROR "The provided Qt 5 module ${MODULE} is assumed to be static. However, a shared version is required for building dynamic libs and/or dynamic Qt linkage.")
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set(QT5_${MODULE}_STATIC_PREFIX "Qt5::static::")
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endif()
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set(QT5_${MODULE}_STATIC_LIB "${QT5_${MODULE}_STATIC_PREFIX}${MODULE}")
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set(QT5_${MODULE}_ASSUME_STATIC OFF)
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set(QT5_${MODULE}_FOUND ON)
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# reverse lookup for pkg-config
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set(PC_PKG_STATIC_Qt5_${MODULE} "StaticQt5${MODULE}")
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set(PC_PKG_STATIC_StaticQt5_${MODULE} "StaticQt5${MODULE}")
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set(PC_PKG_STATIC_Qt5_static_${MODULE} "StaticQt5${MODULE}")
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else()
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# consider the regular Qt package (without "Static" prefix) the static version if
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# static Qt is required and Qt package with "Static" prefix doesn't exist
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# (fallback if not using patched version of Qt mentioned above)
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find_package(Qt5${MODULE} ${META_QT5_VERSION} ${QT_5_${MODULE}_REQUIRED})
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if(Qt5${MODULE}_FOUND)
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set(QT5_${MODULE}_DYNAMIC_LIB Qt5::${MODULE})
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set(QT5_${MODULE}_STATIC_PREFIX "Qt5::")
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set(QT5_${MODULE}_STATIC_LIB "${QT5_${MODULE}_STATIC_PREFIX}${MODULE}")
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set(QT5_${MODULE}_ASSUME_STATIC ON)
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set(QT5_${MODULE}_FOUND ON)
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# reverse lookup for pkg-config
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set(PC_PKG_SHARED_Qt5_${MODULE} "Qt5${MODULE}")
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set(PC_PKG_STATIC_Qt5_${MODULE} "Qt5${MODULE}")
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message(WARNING "Building static libs and/or static Qt linkage has been enabled. Hence assuming provided Qt 5 module ${MODULE} is static.")
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endif()
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endif()
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endmacro()
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macro(use_qt5_module MODULE REQUIRED)
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if(${MODULE} IN_LIST META_PUBLIC_QT_MODULES)
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list(APPEND META_PUBLIC_SHARED_LIB_DEPENDS "${QT5_${MODULE}_DYNAMIC_LIB}")
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list(APPEND META_PUBLIC_STATIC_LIB_DEPENDS "${QT5_${MODULE}_STATIC_LIB}")
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# use INTERFACE_LINK_LIBRARIES_RELEASE of the imported target as general INTERFACE_LINK_LIBRARIES to get correct transitive dependencies
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# under any configuration
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if(StaticQt5${MODULE}_FOUND OR Qt5${MODULE}_FOUND)
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get_target_property(QT5_${MODULE}_STATIC_LIB_DEPS "${QT5_${MODULE}_STATIC_LIB}" INTERFACE_LINK_LIBRARIES_RELEASE)
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set_target_properties("${QT5_${MODULE}_STATIC_LIB}" PROPERTIES INTERFACE_LINK_LIBRARIES "${QT5_${MODULE}_STATIC_LIB_DEPS}")
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endif()
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link_against_library("QT5_${MODULE}" "${QT_LINKAGE}" "${REQUIRED}")
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endmacro()
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endif()
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macro(use_static_qt5_plugin MODULE PLUGIN FOR_SHARED_TARGET FOR_STATIC_TARGET)
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if("${FOR_SHARED_TARGET}")
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list(APPEND PRIVATE_LIBRARIES "${QT5_${MODULE}_STATIC_PREFIX}Q${PLUGIN}Plugin")
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message(STATUS "Linking ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX} against static Qt 5 plugin ${QT5_${MODULE}_STATIC_PREFIX}Q${PLUGIN}Plugin")
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# find dynamic version
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if(USE_SHARED_QT_BUILD)
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if(QT5_${MODULE}_ASSUME_STATIC)
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message(FATAL_ERROR "The provided Qt 5 module ${MODULE} is assumed to be static. However, a shared version is required for building dynamic libs and/or dynamic Qt linkage.")
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endif()
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if("${FOR_STATIC_TARGET}")
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list(APPEND PRIVATE_STATIC_LIBRARIES "${QT5_${MODULE}_STATIC_PREFIX}Q${PLUGIN}Plugin")
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message(STATUS "Adding static Qt 5 plugin ${QT5_${MODULE}_STATIC_PREFIX}Q${PLUGIN}Plugin to dependencies of static ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}")
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find_package(Qt5${MODULE} ${META_QT5_VERSION} ${QT_5_${MODULE}_REQUIRED})
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if(Qt5${MODULE}_FOUND)
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set(QT5_${MODULE}_DYNAMIC_LIB Qt5::${MODULE})
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set(QT5_${MODULE}_FOUND ON)
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# reverse lookup for pkg-config
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set(PC_PKG_SHARED_Qt5_${MODULE} "Qt5${MODULE}")
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endif()
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endmacro()
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endif()
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endmacro()
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macro(query_qmake_variable QMAKE_VARIABLE)
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get_target_property(QMAKE_BIN Qt5::qmake IMPORTED_LOCATION)
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execute_process(
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COMMAND "${QMAKE_BIN}" -query "${QMAKE_VARIABLE}"
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RESULT_VARIABLE "${QMAKE_VARIABLE}_RESULT"
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OUTPUT_VARIABLE "${QMAKE_VARIABLE}"
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)
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if(NOT "${${QMAKE_VARIABLE}_RESULT}" STREQUAL 0 OR "${${QMAKE_VARIABLE}}" STREQUAL "")
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message(FATAL_ERROR "Unable to read qmake variable ${QMAKE_VARIABLE} via \"${QMAKE_BIN} -query ${QMAKE_VARIABLE}\"; output was \"${${QMAKE_VARIABLE}}\".")
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endif()
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string(REGEX REPLACE "\n$" "" "${QMAKE_VARIABLE}" "${${QMAKE_VARIABLE}}")
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message(STATUS "qmake variable ${QMAKE_VARIABLE} is ${${QMAKE_VARIABLE}}")
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endmacro()
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macro(use_qt5_module MODULE REQUIRED)
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if(${MODULE} IN_LIST META_PUBLIC_QT_MODULES)
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list(APPEND META_PUBLIC_SHARED_LIB_DEPENDS "${QT5_${MODULE}_DYNAMIC_LIB}")
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list(APPEND META_PUBLIC_STATIC_LIB_DEPENDS "${QT5_${MODULE}_STATIC_LIB}")
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endif()
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link_against_library("QT5_${MODULE}" "${QT_LINKAGE}" "${REQUIRED}")
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endmacro()
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set(QT_LINKAGE_DETERMINED YES)
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endif(NOT DEFINED QT_LINKAGE_DETERMINED)
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macro(use_static_qt5_plugin MODULE PLUGIN FOR_SHARED_TARGET FOR_STATIC_TARGET)
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if("${FOR_SHARED_TARGET}")
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list(APPEND PRIVATE_LIBRARIES "${QT5_${MODULE}_STATIC_PREFIX}Q${PLUGIN}Plugin")
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message(STATUS "Linking ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX} against static Qt 5 plugin ${QT5_${MODULE}_STATIC_PREFIX}Q${PLUGIN}Plugin")
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endif()
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if("${FOR_STATIC_TARGET}")
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list(APPEND PRIVATE_STATIC_LIBRARIES "${QT5_${MODULE}_STATIC_PREFIX}Q${PLUGIN}Plugin")
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message(STATUS "Adding static Qt 5 plugin ${QT5_${MODULE}_STATIC_PREFIX}Q${PLUGIN}Plugin to dependencies of static ${TARGET_PREFIX}${META_PROJECT_NAME}${TARGET_SUFFIX}")
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endif()
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endmacro()
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macro(query_qmake_variable QMAKE_VARIABLE)
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get_target_property(QMAKE_BIN Qt5::qmake IMPORTED_LOCATION)
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execute_process(
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COMMAND "${QMAKE_BIN}" -query "${QMAKE_VARIABLE}"
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RESULT_VARIABLE "${QMAKE_VARIABLE}_RESULT"
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OUTPUT_VARIABLE "${QMAKE_VARIABLE}"
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)
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if(NOT "${${QMAKE_VARIABLE}_RESULT}" STREQUAL 0 OR "${${QMAKE_VARIABLE}}" STREQUAL "")
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message(FATAL_ERROR "Unable to read qmake variable ${QMAKE_VARIABLE} via \"${QMAKE_BIN} -query ${QMAKE_VARIABLE}\"; output was \"${${QMAKE_VARIABLE}}\".")
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endif()
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string(REGEX REPLACE "\n$" "" "${QMAKE_VARIABLE}" "${${QMAKE_VARIABLE}}")
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message(STATUS "qmake variable ${QMAKE_VARIABLE} is ${${QMAKE_VARIABLE}}")
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endmacro()
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