fb1b20eab3
CMakeLists.txt and .cmake files of significant size (more than 2 lines according to our check in tst_license.pl) now have the copyright and license header. Existing copyright statements remain intact Task-number: QTBUG-88621 Change-Id: I3b98cdc55ead806ec81ce09af9271f9b95af97fa Reviewed-by: Jörg Bornemann <joerg.bornemann@qt.io>
1001 lines
40 KiB
CMake
1001 lines
40 KiB
CMake
# Copyright (C) 2022 The Qt Company Ltd.
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# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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function(qt_internal_add_linker_version_script target)
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qt_parse_all_arguments(arg "qt_internal_add_linker" "" "" "PRIVATE_HEADERS" ${ARGN})
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if (TEST_ld_version_script)
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set(contents "Qt_${PROJECT_VERSION_MAJOR}_PRIVATE_API {\n qt_private_api_tag*;\n")
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foreach(ph ${arg_PRIVATE_HEADERS})
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string(APPEND contents " @FILE:${ph}@\n")
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endforeach()
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string(APPEND contents "};\n")
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set(current "Qt_${PROJECT_VERSION_MAJOR}")
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if (QT_NAMESPACE STREQUAL "")
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set(tag_symbol "qt_version_tag")
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else()
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set(tag_symbol "qt_version_tag_${QT_NAMESPACE}")
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endif()
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string(APPEND contents "${current} { *; };\n")
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foreach(minor_version RANGE ${PROJECT_VERSION_MINOR})
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set(previous "${current}")
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set(current "Qt_${PROJECT_VERSION_MAJOR}.${minor_version}")
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if (minor_version EQUAL ${PROJECT_VERSION_MINOR})
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string(APPEND contents "${current} { ${tag_symbol}; } ${previous};\n")
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else()
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string(APPEND contents "${current} {} ${previous};\n")
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endif()
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endforeach()
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set(infile "${CMAKE_CURRENT_BINARY_DIR}/${target}.version.in")
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set(outfile "${CMAKE_CURRENT_BINARY_DIR}/${target}.version")
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file(GENERATE OUTPUT "${infile}" CONTENT "${contents}")
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qt_ensure_perl()
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set(generator_command "${HOST_PERL}"
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"${QT_MKSPECS_DIR}/features/data/unix/findclasslist.pl"
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"<" "${infile}" ">" "${outfile}"
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)
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set(generator_dependencies
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"${infile}"
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"${QT_MKSPECS_DIR}/features/data/unix/findclasslist.pl"
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)
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add_custom_command(
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OUTPUT "${outfile}"
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COMMAND ${generator_command}
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DEPENDS ${generator_dependencies}
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WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
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COMMENT "Generating version linker script for target ${target}"
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VERBATIM
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)
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add_custom_target(${target}_version_script DEPENDS ${outfile})
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add_dependencies(${target} ${target}_version_script)
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target_link_options(${target} PRIVATE "-Wl,--version-script,${outfile}")
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endif()
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endfunction()
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function(qt_internal_add_link_flags_no_undefined target)
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if (NOT QT_BUILD_SHARED_LIBS)
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return()
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endif()
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if ((GCC OR CLANG) AND NOT MSVC)
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if(CLANG AND QT_FEATURE_sanitizer)
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return()
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endif()
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set(previous_CMAKE_REQUIRED_LINK_OPTIONS ${CMAKE_REQUIRED_LINK_OPTIONS})
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set(CMAKE_REQUIRED_LINK_OPTIONS "-Wl,-undefined,error")
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check_cxx_source_compiles("int main() {}" HAVE_DASH_UNDEFINED_SYMBOLS)
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if(HAVE_DASH_UNDEFINED_SYMBOLS)
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set(no_undefined_flag "-Wl,-undefined,error")
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endif()
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set(CMAKE_REQUIRED_LINK_OPTIONS "-Wl,--no-undefined")
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check_cxx_source_compiles("int main() {}" HAVE_DASH_DASH_NO_UNDEFINED)
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if(HAVE_DASH_DASH_NO_UNDEFINED)
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set(no_undefined_flag "-Wl,--no-undefined")
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endif()
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set(CMAKE_REQUIRED_LINK_OPTIONS ${previous_CMAKE_REQUIRED_LINK_OPTIONS})
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if (NOT HAVE_DASH_UNDEFINED_SYMBOLS AND NOT HAVE_DASH_DASH_NO_UNDEFINED)
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message(FATAL_ERROR "Platform linker doesn't support erroring upon encountering undefined symbols. Target:\"${target}\".")
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endif()
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target_link_options("${target}" PRIVATE "${no_undefined_flag}")
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endif()
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endfunction()
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function(qt_internal_apply_gc_binaries_conditional target visibility)
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# Should only be applied when the feature is enabled, aka for static builds.
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if(NOT QT_FEATURE_gc_binaries)
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return()
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endif()
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qt_internal_apply_gc_binaries("${target}" "${visibility}")
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endfunction()
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function(qt_internal_apply_gc_binaries target visibility)
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set(possible_visibilities PRIVATE INTERFACE PUBLIC)
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list(FIND possible_visibilities "${visibility}" known_visibility)
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if (known_visibility EQUAL "-1")
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message(FATAL_ERROR "Visibitily setting must be one of PRIVATE, INTERFACE or PUBLIC.")
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endif()
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if ((GCC OR CLANG) AND NOT WASM AND NOT UIKIT AND NOT MSVC)
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if(APPLE)
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set(gc_sections_flag "-Wl,-dead_strip")
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elseif(SOLARIS)
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set(gc_sections_flag "-Wl,-z,ignore")
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elseif(LINUX OR BSD OR WIN32 OR ANDROID)
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set(gc_sections_flag "-Wl,--gc-sections")
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endif()
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endif()
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if(gc_sections_flag)
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target_link_options("${target}" ${visibility} "${gc_sections_flag}")
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endif()
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if((GCC OR CLANG) AND NOT WASM AND NOT UIKIT AND NOT MSVC)
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set(split_sections_flags "-ffunction-sections" "-fdata-sections")
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endif()
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if(split_sections_flags)
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target_compile_options("${target}" ${visibility} ${split_sections_flags})
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endif()
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endfunction()
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function(qt_internal_apply_intel_cet target visibility)
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if(NOT QT_FEATURE_intelcet)
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return()
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endif()
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set(possible_visibilities PRIVATE INTERFACE PUBLIC)
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list(FIND possible_visibilities "${visibility}" known_visibility)
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if (known_visibility EQUAL "-1")
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message(FATAL_ERROR "Visibitily setting must be one of PRIVATE, INTERFACE or PUBLIC.")
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endif()
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if(GCC)
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set(flags "-mshstk")
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endif()
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if(flags)
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target_compile_options("${target}" ${visibility} "${flags}")
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endif()
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endfunction()
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function(qt_internal_library_deprecation_level result)
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# QT_DISABLE_DEPPRECATED_BEFORE controls which version we use as a cut-off
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# compiling in to the library. E.g. if it is set to QT_VERSION then no
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# code which was deprecated before QT_VERSION will be compiled in.
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if(WIN32)
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# On Windows, due to the way DLLs work, we need to export all functions,
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# including the inlines
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list(APPEND deprecations "QT_DISABLE_DEPRECATED_BEFORE=0x040800")
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else()
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# On other platforms, Qt's own compilation goes needs to compile the Qt 5.0 API
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list(APPEND deprecations "QT_DISABLE_DEPRECATED_BEFORE=0x050000")
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endif()
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# QT_DEPRECATED_WARNINGS_SINCE controls the upper-bound of deprecation
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# warnings that are emitted. E.g. if it is set to 7.0 then all deprecations
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# during the 6.* lifetime will be warned about in Qt builds.
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list(APPEND deprecations "QT_DEPRECATED_WARNINGS_SINCE=0x070000")
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set("${result}" "${deprecations}" PARENT_SCOPE)
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endfunction()
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# Sets the exceptions flags for the given target according to exceptions_on
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function(qt_internal_set_exceptions_flags target exceptions_on)
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set(_defs "")
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set(_flag "")
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if(exceptions_on)
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if(MSVC)
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set(_flag "/EHsc")
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if((MSVC_VERSION GREATER_EQUAL 1929) AND NOT CLANG)
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set(_flag ${_flag} "/d2FH4")
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endif()
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endif()
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else()
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set(_defs "QT_NO_EXCEPTIONS")
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
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set(_flag "/EHs-c-" "/wd4530" "/wd4577")
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elseif ("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU|AppleClang|InteLLLVM")
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set(_flag "-fno-exceptions")
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elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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if (MSVC)
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set(_flag "/EHs-c-" "/wd4530" "/wd4577")
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else()
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set(_flag "-fno-exceptions")
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endif()
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endif()
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endif()
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target_compile_definitions("${target}" PRIVATE ${_defs})
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target_compile_options("${target}" PRIVATE ${_flag})
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endfunction()
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function(qt_skip_warnings_are_errors target)
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get_target_property(target_type "${target}" TYPE)
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if(target_type STREQUAL "INTERFACE_LIBRARY")
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return()
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endif()
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set_target_properties("${target}" PROPERTIES QT_SKIP_WARNINGS_ARE_ERRORS ON)
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endfunction()
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function(qt_skip_warnings_are_errors_when_repo_unclean target)
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if(QT_REPO_NOT_WARNINGS_CLEAN)
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qt_skip_warnings_are_errors("${target}")
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endif()
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endfunction()
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function(qt_disable_warnings target)
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get_target_property(target_type "${target}" TYPE)
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if(target_type STREQUAL "INTERFACE_LIBRARY")
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return()
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endif()
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set_target_properties("${target}" PROPERTIES QT_COMPILE_OPTIONS_DISABLE_WARNINGS ON)
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endfunction()
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function(qt_set_symbol_visibility_preset target value)
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get_target_property(target_type "${target}" TYPE)
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if(target_type STREQUAL "INTERFACE_LIBRARY")
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return()
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endif()
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set_target_properties("${target}" PROPERTIES C_VISIBILITY_PRESET "${value}")
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set_target_properties("${target}" PROPERTIES CXX_VISIBILITY_PRESET "${value}")
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set_target_properties("${target}" PROPERTIES OBJC_VISIBILITY_PRESET "${value}")
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set_target_properties("${target}" PROPERTIES OBJCXX_VISIBILITY_PRESET "${value}")
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endfunction()
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function(qt_set_symbol_visibility_hidden target)
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qt_set_symbol_visibility_preset("${target}" "hidden")
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endfunction()
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function(qt_set_language_standards)
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## Use the latest standard the compiler supports (same as qt_common.prf)
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if (QT_FEATURE_cxx2b)
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set(CMAKE_CXX_STANDARD 23 PARENT_SCOPE)
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elseif (QT_FEATURE_cxx20)
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set(CMAKE_CXX_STANDARD 20 PARENT_SCOPE)
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else()
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set(CMAKE_CXX_STANDARD 17 PARENT_SCOPE)
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endif()
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set(CMAKE_CXX_STANDARD_REQUIRED ON PARENT_SCOPE)
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set(CMAKE_C_STANDARD 11 PARENT_SCOPE)
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set(CMAKE_C_STANDARD_REQUIRED ON PARENT_SCOPE)
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endfunction()
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function(qt_set_language_standards_interface_compile_features target)
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# Regardless of which C++ standard is used to build Qt itself, require C++17 when building
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# Qt applications using CMake (because the Qt header files use C++17 features).
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set(cpp_feature "cxx_std_17")
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target_compile_features("${target}" INTERFACE ${cpp_feature})
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endfunction()
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function(qt_set_msvc_cplusplus_options target visibility)
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# For MSVC we need to explicitly pass -Zc:__cplusplus to get correct __cplusplus.
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# Check qt_config_compile_test for more info.
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if(MSVC AND MSVC_VERSION GREATER_EQUAL 1913)
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set(flags "-Zc:__cplusplus" "-permissive-")
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target_compile_options("${target}" ${visibility} "$<$<COMPILE_LANGUAGE:CXX>:${flags}>")
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endif()
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endfunction()
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function(qt_enable_utf8_sources target)
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set(utf8_flags "")
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if(MSVC)
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list(APPEND utf8_flags "-utf-8")
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endif()
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if(utf8_flags)
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# Allow opting out by specifying the QT_NO_UTF8_SOURCE target property.
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set(opt_out_condition "$<NOT:$<BOOL:$<TARGET_PROPERTY:QT_NO_UTF8_SOURCE>>>")
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# Only set the compiler option for C and C++.
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set(language_condition "$<COMPILE_LANGUAGE:C,CXX>")
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# Compose the full condition.
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set(genex_condition "$<AND:${opt_out_condition},${language_condition}>")
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set(utf8_flags "$<${genex_condition}:${utf8_flags}>")
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target_compile_options("${target}" INTERFACE "${utf8_flags}")
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endif()
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endfunction()
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function(qt_internal_enable_unicode_defines)
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if(WIN32)
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set(no_unicode_condition
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"$<NOT:$<BOOL:$<TARGET_PROPERTY:QT_NO_UNICODE_DEFINES>>>")
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target_compile_definitions(Platform
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INTERFACE "$<${no_unicode_condition}:UNICODE;_UNICODE>")
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endif()
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endfunction()
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# Saves the list of known optimization flags for the current compiler in out_var.
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#
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# Mostly used for removing them before adding new ones.
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function(qt_internal_get_all_possible_optimization_flag_values out_var)
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set(flag_values "")
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set(vars QT_CFLAGS_OPTIMIZE QT_CFLAGS_OPTIMIZE_FULL
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QT_CFLAGS_OPTIMIZE_DEBUG QT_CFLAGS_OPTIMIZE_SIZE)
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foreach(optimize_var ${vars})
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set(value "${${optimize_var}}")
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if(value)
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list(APPEND flag_values "${value}")
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endif()
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endforeach()
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# Additional flag values which might not be used in qmake mkspecs, but might be set by CMake,
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# aka flags that are recognized by the compile which we might want to remove.
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if(QT_CFLAGS_OPTIMIZE_VALID_VALUES)
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list(APPEND flag_values ${QT_CFLAGS_OPTIMIZE_VALID_VALUES})
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endif()
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set("${out_var}" "${flag_values}" PARENT_SCOPE)
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endfunction()
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# Return's the current compiler's optimize_full flags if available.
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# Otherwise returns the regular optimization level flag.
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function(qt_internal_get_optimize_full_flags out_var)
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set(optimize_full_flags "${QT_CFLAGS_OPTIMIZE_FULL}")
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if(NOT optimize_full_flags)
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set(optimize_full_flags "${QT_CFLAGS_OPTIMIZE}")
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endif()
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set(${out_var} "${optimize_full_flags}" PARENT_SCOPE)
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endfunction()
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# Prints the compiler and linker flags for each configuration, language and target type.
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#
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# Usually it would print the cache variables, but one may also override the variables
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# in a specific directory scope, so this is useful for debugging.
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#
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# Basically dumps either scoped or cached
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# CMAKE_<LANG>_FLAGS_CONFIG> and CMAKE_<TYPE>_LINKER_FLAGS_<CONFIG> variables.
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function(qt_internal_print_optimization_flags_values)
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qt_internal_get_enabled_languages_for_flag_manipulation(languages)
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qt_internal_get_configs_for_flag_manipulation(configs)
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qt_internal_get_target_link_types_for_flag_manipulation(target_link_types)
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qt_internal_print_optimization_flags_values_helper(
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"${languages}" "${configs}" "${target_link_types}")
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endfunction()
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# Helper function for printing the optimization flags.
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function(qt_internal_print_optimization_flags_values_helper languages configs target_link_types)
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foreach(lang ${languages})
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set(flag_var_name "CMAKE_${lang}_FLAGS")
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message(STATUS "${flag_var_name}: ${${flag_var_name}}")
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foreach(config ${configs})
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set(flag_var_name "CMAKE_${lang}_FLAGS_${config}")
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message(STATUS "${flag_var_name}: ${${flag_var_name}}")
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endforeach()
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endforeach()
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foreach(t ${target_link_types})
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set(flag_var_name "CMAKE_${t}_LINKER_FLAGS")
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message(STATUS "${flag_var_name}: ${${flag_var_name}}")
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foreach(config ${configs})
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set(flag_var_name "CMAKE_${t}_LINKER_FLAGS_${config}")
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message(STATUS "${flag_var_name}: ${${flag_var_name}}")
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endforeach()
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endforeach()
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endfunction()
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# Saves the list of configs for which flag manipulation will occur.
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function(qt_internal_get_configs_for_flag_manipulation out_var)
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set(configs RELEASE RELWITHDEBINFO MINSIZEREL DEBUG)
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# Opt into additional non-standard configs for flag removal only.
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if(QT_ADDITIONAL_OPTIMIZATION_FLAG_CONFIGS)
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list(APPEND configs ${QT_ADDITIONAL_OPTIMIZATION_FLAG_CONFIGS})
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endif()
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set(${out_var} "${configs}" PARENT_SCOPE)
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endfunction()
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# Saves the list of target link types for which flag manipulation will occur.
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function(qt_internal_get_target_link_types_for_flag_manipulation out_var)
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set(target_link_types EXE SHARED MODULE STATIC)
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set(${out_var} "${target_link_types}" PARENT_SCOPE)
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endfunction()
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# Saves list of enabled languages for which it is safe to manipulate compilation flags.
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function(qt_internal_get_enabled_languages_for_flag_manipulation out_var)
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# Limit flag modification to c-like code. We don't want to accidentally add incompatible
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# flags to MSVC's RC or Swift.
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set(languages_to_process ASM C CXX OBJC OBJCXX)
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get_property(globally_enabled_languages GLOBAL PROPERTY ENABLED_LANGUAGES)
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set(enabled_languages "")
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foreach(lang ${languages_to_process})
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if(lang IN_LIST globally_enabled_languages)
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list(APPEND enabled_languages "${lang}")
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endif()
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endforeach()
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set(${out_var} "${enabled_languages}" PARENT_SCOPE)
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endfunction()
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# Helper function used to update compiler and linker flags further below
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function(qt_internal_replace_flags_impl flag_var_name match_string replace_string IN_CACHE)
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# This must come before cache variable modification because setting the
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# cache variable with FORCE will overwrite the non-cache variable, but
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# we need to use the original value on entry to this function.
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# Handle an empty input string and an empty match string as a set().
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if(match_string STREQUAL "" AND "${${flag_var_name}}" STREQUAL "")
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set(${flag_var_name} "${replace_string}" PARENT_SCOPE)
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else()
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string(REPLACE
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"${match_string}" "${replace_string}"
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${flag_var_name} "${${flag_var_name}}")
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string(STRIP "${${flag_var_name}}" ${flag_var_name})
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set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
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endif()
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if(IN_CACHE)
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# We must not use the non-cache variable's value because toolchain files
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# might be appending things to the cache variable's value and storing it
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# in a non-cache variable (e.g. Android NDK toolchain file does this).
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# Work exclusively on cache variable value only.
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get_property(help_text CACHE "${flag_var_name}" PROPERTY HELPSTRING)
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# Handle an empty input string and an empty match string as a set().
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if(match_string STREQUAL "" AND "$CACHE{${flag_var_name}}" STREQUAL "")
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set(${flag_var_name} "${replace_string}" CACHE STRING "${help_text}" FORCE)
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else()
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set(mod_flags "$CACHE{${flag_var_name}}")
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string(REPLACE
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"${match_string}" "${replace_string}"
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mod_flags "${mod_flags}")
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string(STRIP "${mod_flags}" mod_flags)
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|
set(${flag_var_name} "${mod_flags}" CACHE STRING "${help_text}" FORCE)
|
|
endif()
|
|
endif()
|
|
endfunction()
|
|
|
|
# Helper function used to update compiler and linker flags further below
|
|
function(qt_internal_remove_flags_impl flag_var_name flag_values IN_CACHE)
|
|
cmake_parse_arguments(arg "REGEX" "" "" ${ARGN})
|
|
set(replace_type REPLACE)
|
|
if(arg_REGEX)
|
|
list(PREPEND replace_type REGEX)
|
|
endif()
|
|
|
|
# This must come before cache variable modification because setting the
|
|
# cache variable with FORCE will overwrite the non-cache variable in this
|
|
# function scope, but we need to use the original value before that change.
|
|
foreach(flag_value IN LISTS flag_values)
|
|
string(${replace_type} "${flag_value}" " " ${flag_var_name} "${${flag_var_name}}")
|
|
endforeach()
|
|
string(STRIP "${${flag_var_name}}" ${flag_var_name})
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
|
|
if(IN_CACHE)
|
|
# We must not use the non-cache variable's value because toolchain files
|
|
# might be appending things to the cache variable's value and storing it
|
|
# in a non-cache variable (e.g. Android NDK toolchain file does this).
|
|
# Work exclusively on cache variable value only.
|
|
set(mod_flags $CACHE{${flag_var_name}})
|
|
foreach(flag_value IN LISTS flag_values)
|
|
string(${replace_type} "${flag_value}" " " mod_flags "${mod_flags}")
|
|
endforeach()
|
|
string(STRIP "${mod_flags}" mod_flags)
|
|
get_property(help_text CACHE ${flag_var_name} PROPERTY HELPSTRING)
|
|
set(${flag_var_name} "${mod_flags}" CACHE STRING "${help_text}" FORCE)
|
|
endif()
|
|
endfunction()
|
|
|
|
# Helper function used to update compiler and linker flags further below
|
|
function(qt_internal_add_flags_impl flag_var_name flags IN_CACHE)
|
|
# This must come before cache variable modification because setting the
|
|
# cache variable with FORCE will overwrite the non-cache variable, but
|
|
# we need to use the original value on entry to this function.
|
|
set(${flag_var_name} "${${flag_var_name}} ${flags}")
|
|
string(STRIP "${${flag_var_name}}" ${flag_var_name})
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
|
|
if(IN_CACHE)
|
|
# We must not use the non-cache variable's value because toolchain files
|
|
# might be appending things to the cache variable's value and storing it
|
|
# in a non-cache variable (e.g. Android NDK toolchain file does this).
|
|
# Work exclusively on cache variable value only.
|
|
set(mod_flags "$CACHE{${flag_var_name}} ${flags}")
|
|
string(STRIP "${mod_flags}" mod_flags)
|
|
get_property(help_text CACHE ${flag_var_name} PROPERTY HELPSTRING)
|
|
set(${flag_var_name} "${mod_flags}" CACHE STRING "${help_text}" FORCE)
|
|
endif()
|
|
endfunction()
|
|
|
|
|
|
# Removes all known compiler optimization flags for the given CONFIGS, for all enabled 'safe'
|
|
# languages. The flag variables are always updated in the calling scope, even if they did not
|
|
# exist beforehand.
|
|
#
|
|
# IN_CACHE - remove them from the corresponding cache variable too. Note that the cache
|
|
# variable may have a different value to the non-cache variable.
|
|
# CONFIGS - should be a list of upper case configs like DEBUG, RELEASE, RELWITHDEBINFO.
|
|
# LANGUAGES - optional list of languages like 'C', 'CXX', for which to remove the flags
|
|
# if not provided, defaults to the list of enabled C-like languages
|
|
function(qt_internal_remove_known_optimization_flags)
|
|
qt_parse_all_arguments(
|
|
arg
|
|
"qt_internal_remove_known_optimization_flags"
|
|
"IN_CACHE"
|
|
""
|
|
"CONFIGS;LANGUAGES"
|
|
${ARGN})
|
|
|
|
if(NOT arg_CONFIGS)
|
|
message(FATAL_ERROR
|
|
"You must specify at least one configuration for which to remove the flags.")
|
|
endif()
|
|
|
|
if(arg_LANGUAGES)
|
|
set(enabled_languages "${arg_LANGUAGES}")
|
|
else()
|
|
qt_internal_get_enabled_languages_for_flag_manipulation(enabled_languages)
|
|
endif()
|
|
|
|
qt_internal_get_all_possible_optimization_flag_values(flag_values)
|
|
set(configs ${arg_CONFIGS})
|
|
|
|
foreach(lang ${enabled_languages})
|
|
foreach(config ${configs})
|
|
set(flag_var_name "CMAKE_${lang}_FLAGS_${config}")
|
|
qt_internal_remove_flags_impl(${flag_var_name} "${flag_values}" "${arg_IN_CACHE}")
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
endforeach()
|
|
endforeach()
|
|
endfunction()
|
|
|
|
# Removes specified flags from CMAKE_<LANGUAGES>_FLAGS[_CONFIGS] variables
|
|
#
|
|
# IN_CACHE enables flags removal from CACHE
|
|
# CONFIGS list of configurations that need to clear flags. Clears all configs by default if not
|
|
# specified.
|
|
# LANGUAGES list of LANGUAGES that need clear flags. Clears all languages by default if not
|
|
# specified.
|
|
# REGEX enables the flag processing as a regular expression.
|
|
function(qt_internal_remove_compiler_flags flags)
|
|
qt_parse_all_arguments(arg
|
|
"qt_internal_remove_compiler_flags"
|
|
"IN_CACHE;REGEX"
|
|
""
|
|
"CONFIGS;LANGUAGES"
|
|
${ARGN}
|
|
)
|
|
|
|
if("${flags}" STREQUAL "")
|
|
message(WARNING "qt_internal_remove_compiler_flags was called without any flags specified.")
|
|
return()
|
|
endif()
|
|
|
|
if(arg_LANGUAGES)
|
|
set(languages "${arg_LANGUAGES}")
|
|
else()
|
|
qt_internal_get_enabled_languages_for_flag_manipulation(languages)
|
|
endif()
|
|
|
|
if(arg_CONFIGS)
|
|
set(configs "${arg_CONFIGS}")
|
|
else()
|
|
message(FATAL_ERROR
|
|
"You must specify at least one configuration for which to remove the flags.")
|
|
endif()
|
|
|
|
if(arg_REGEX)
|
|
list(APPEND extra_options "REGEX")
|
|
endif()
|
|
|
|
foreach(lang ${languages})
|
|
set(flag_var_name "CMAKE_${lang}_FLAGS")
|
|
qt_internal_remove_flags_impl(${flag_var_name}
|
|
"${flags}"
|
|
"${arg_IN_CACHE}"
|
|
${extra_options}
|
|
)
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
foreach(config ${configs})
|
|
set(flag_var_name "CMAKE_${lang}_FLAGS_${config}")
|
|
qt_internal_remove_flags_impl(${flag_var_name}
|
|
"${flags}"
|
|
"${arg_IN_CACHE}"
|
|
${extra_options}
|
|
)
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
endforeach()
|
|
endforeach()
|
|
endfunction()
|
|
|
|
# Adds compiler flags for the given CONFIGS in the calling scope. Can also update the cache
|
|
# if asked to do so. The flag variables are always updated in the calling scope, even if they
|
|
# did not exist beforehand.
|
|
#
|
|
# FLAGS - should be a single string of flags separated by spaces.
|
|
# IN_CACHE - add them to the corresponding cache variable too. Note that the cache
|
|
# variable may have a different value to the non-cache variable.
|
|
# CONFIGS - should be a list of upper case configs like DEBUG, RELEASE, RELWITHDEBINFO.
|
|
# LANGUAGES - optional list of languages like 'C', 'CXX', for which to add the flags
|
|
# if not provided, defaults to the list of enabled C-like languages
|
|
function(qt_internal_add_compiler_flags)
|
|
qt_parse_all_arguments(
|
|
arg
|
|
"qt_internal_add_compiler_flags"
|
|
"IN_CACHE"
|
|
"FLAGS"
|
|
"CONFIGS;LANGUAGES"
|
|
${ARGN})
|
|
|
|
if(NOT arg_CONFIGS)
|
|
message(FATAL_ERROR
|
|
"You must specify at least one configuration for which to add the flags.")
|
|
endif()
|
|
if(NOT arg_FLAGS)
|
|
message(FATAL_ERROR "You must specify at least one flag to add.")
|
|
endif()
|
|
|
|
if(arg_LANGUAGES)
|
|
set(enabled_languages "${arg_LANGUAGES}")
|
|
else()
|
|
qt_internal_get_enabled_languages_for_flag_manipulation(enabled_languages)
|
|
endif()
|
|
|
|
set(configs ${arg_CONFIGS})
|
|
|
|
foreach(lang ${enabled_languages})
|
|
foreach(config ${configs})
|
|
set(flag_var_name "CMAKE_${lang}_FLAGS_${config}")
|
|
qt_internal_add_flags_impl(${flag_var_name} "${arg_FLAGS}" "${arg_IN_CACHE}")
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
endforeach()
|
|
endforeach()
|
|
endfunction()
|
|
|
|
# Convenience function that adds compiler flags for all release configurations.
|
|
# The flag variables are always updated in the calling scope, even if they did not
|
|
# exist beforehand.
|
|
#
|
|
# FLAGS - should be a single string of flags separated by spaces.
|
|
# IN_CACHE - add them to the corresponding cache variable too. Note that the cache
|
|
# variable may have a different value to the non-cache variable.
|
|
# LANGUAGES - optional list of languages like 'C', 'CXX', for which to add the flags
|
|
# if not provided, defaults to the list of enabled C-like languages
|
|
function(qt_internal_add_compiler_flags_for_release_configs)
|
|
qt_parse_all_arguments(
|
|
arg
|
|
"qt_internal_add_compiler_flags_for_release_configs"
|
|
"IN_CACHE"
|
|
"FLAGS"
|
|
"LANGUAGES"
|
|
${ARGN})
|
|
|
|
set(args "")
|
|
|
|
if(arg_LANGUAGES)
|
|
set(enabled_languages "${arg_LANGUAGES}")
|
|
else()
|
|
qt_internal_get_enabled_languages_for_flag_manipulation(enabled_languages)
|
|
endif()
|
|
|
|
set(configs RELEASE RELWITHDEBINFO MINSIZEREL)
|
|
|
|
list(APPEND args CONFIGS ${configs})
|
|
|
|
if(arg_FLAGS)
|
|
list(APPEND args FLAGS "${arg_FLAGS}")
|
|
endif()
|
|
|
|
if(arg_IN_CACHE)
|
|
list(APPEND args IN_CACHE)
|
|
endif()
|
|
list(APPEND args LANGUAGES ${enabled_languages})
|
|
|
|
qt_internal_add_compiler_flags(${args})
|
|
|
|
foreach(lang ${enabled_languages})
|
|
foreach(config ${configs})
|
|
set(flag_var_name "CMAKE_${lang}_FLAGS_${config}")
|
|
set("${flag_var_name}" "${${flag_var_name}}" PARENT_SCOPE)
|
|
endforeach()
|
|
endforeach()
|
|
endfunction()
|
|
|
|
# Convenience function that replaces all optimization flags with the equivalent of '-O3'
|
|
# (optimize_full) flag for all release configs.
|
|
#
|
|
# This is the equivalent of qmake's CONFIG += optimize_full.
|
|
# It is meant to be called in a subdirectory scope to enable full optimizations for a particular
|
|
# Qt module, like Core or Gui.
|
|
function(qt_internal_add_optimize_full_flags)
|
|
qt_parse_all_arguments(
|
|
arg
|
|
"qt_internal_add_optimize_full_flags"
|
|
"IN_CACHE"
|
|
""
|
|
""
|
|
${ARGN})
|
|
|
|
# QT_USE_DEFAULT_CMAKE_OPTIMIZATION_FLAGS disables forced full optimization.
|
|
if(QT_USE_DEFAULT_CMAKE_OPTIMIZATION_FLAGS)
|
|
return()
|
|
endif()
|
|
|
|
# Assume that FEATURE_optimize_full has higher priority. But if FEATURE_optimize_full is OFF,
|
|
# flags are set by FEATURE_optimize_size should remain unchanged.
|
|
if(QT_FEATURE_optimize_size AND NOT QT_FEATURE_optimize_full)
|
|
return()
|
|
endif()
|
|
|
|
set(args "")
|
|
if(arg_IN_CACHE)
|
|
list(APPEND args IN_CACHE)
|
|
endif()
|
|
|
|
qt_internal_get_enabled_languages_for_flag_manipulation(enabled_languages)
|
|
set(configs RELEASE RELWITHDEBINFO)
|
|
if(QT_FEATURE_optimize_full) # Assume that FEATURE_optimize_full has higher priority.
|
|
list(APPEND configs MINSIZEREL)
|
|
endif()
|
|
|
|
qt_internal_remove_known_optimization_flags(${args} CONFIGS ${configs})
|
|
|
|
# If the respective compiler doesn't have optimize_full flags, use regular optimization flags.
|
|
# Mainly MSVC.
|
|
qt_internal_get_optimize_full_flags(optimize_full_flags)
|
|
list(APPEND args FLAGS "${optimize_full_flags}")
|
|
|
|
qt_internal_add_compiler_flags_for_release_configs(${args})
|
|
|
|
foreach(lang ${enabled_languages})
|
|
foreach(config ${configs})
|
|
set(flag_var_name "CMAKE_${lang}_FLAGS_${config}")
|
|
set("${flag_var_name}" "${${flag_var_name}}" PARENT_SCOPE)
|
|
endforeach()
|
|
endforeach()
|
|
endfunction()
|
|
|
|
# Convenience function to replace a compiler flag with another one, for the given configurations
|
|
# for all enabled 'safe' languages.
|
|
# Essentially a glorified string(REPLACE).
|
|
# Can be used to remove compiler flags.
|
|
# The flag variables are always updated in the calling scope, even if they did not
|
|
# exist beforehand.
|
|
#
|
|
# match_string - string to match
|
|
# replace_string - replacement string
|
|
# IN_CACHE - replace them in the corresponding cache variable too. Note that the cache
|
|
# variable may have a different value to the non-cache variable.
|
|
# CONFIGS - should be a list of upper case configs like DEBUG, RELEASE, RELWITHDEBINFO.
|
|
# LANGUAGES - optional list of languages like 'C', 'CXX', for which to replace the flags
|
|
# if not provided, defaults to the list of enabled C-like languages
|
|
function(qt_internal_replace_compiler_flags match_string replace_string)
|
|
qt_parse_all_arguments(
|
|
arg
|
|
"qt_internal_replace_compiler_flags"
|
|
"IN_CACHE"
|
|
""
|
|
"CONFIGS;LANGUAGES"
|
|
${ARGN})
|
|
|
|
if(NOT arg_CONFIGS)
|
|
message(FATAL_ERROR
|
|
"You must specify at least one configuration for which to replace the flags.")
|
|
endif()
|
|
|
|
if(arg_LANGUAGES)
|
|
set(enabled_languages "${arg_LANGUAGES}")
|
|
else()
|
|
qt_internal_get_enabled_languages_for_flag_manipulation(enabled_languages)
|
|
endif()
|
|
set(configs ${arg_CONFIGS})
|
|
|
|
foreach(lang ${enabled_languages})
|
|
foreach(config ${configs})
|
|
set(flag_var_name "CMAKE_${lang}_FLAGS_${config}")
|
|
qt_internal_replace_flags_impl(${flag_var_name}
|
|
"${match_string}" "${replace_string}" "${arg_IN_CACHE}")
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
endforeach()
|
|
endforeach()
|
|
endfunction()
|
|
|
|
# Convenience function to add linker flags, for the given configurations and target link types.
|
|
# The flag variables are always updated in the calling scope, even if they did not exist beforehand.
|
|
#
|
|
# FLAGS - should be a single string of flags separated by spaces.
|
|
# IN_CACHE - add them to the corresponding cache variable too. Note that the cache
|
|
# variable may have a different value to the non-cache variable.
|
|
# CONFIGS - should be a list of upper case configs like DEBUG, RELEASE, RELWITHDEBINFO.
|
|
# TYPES - should be a list of target link types as expected by CMake's
|
|
# CMAKE_<LINKER_TYPE>_LINKER_FLAGS_<CONFIG> cache variable.
|
|
# e.g EXE, MODULE, SHARED, STATIC.
|
|
function(qt_internal_add_linker_flags)
|
|
qt_parse_all_arguments(
|
|
arg
|
|
"qt_internal_add_linker_flags"
|
|
"IN_CACHE"
|
|
"FLAGS"
|
|
"CONFIGS;TYPES"
|
|
${ARGN})
|
|
|
|
if(NOT arg_TYPES)
|
|
message(FATAL_ERROR
|
|
"You must specify at least one linker target type for which to add the flags.")
|
|
endif()
|
|
if(NOT arg_CONFIGS)
|
|
message(FATAL_ERROR
|
|
"You must specify at least one configuration for which to add the flags.")
|
|
endif()
|
|
if(NOT arg_FLAGS)
|
|
message(FATAL_ERROR "You must specify at least one flag to add.")
|
|
endif()
|
|
|
|
set(configs ${arg_CONFIGS})
|
|
set(target_link_types ${arg_TYPES})
|
|
|
|
foreach(config ${configs})
|
|
foreach(t ${target_link_types})
|
|
set(flag_var_name "CMAKE_${t}_LINKER_FLAGS_${config}")
|
|
qt_internal_add_flags_impl(${flag_var_name} "${arg_FLAGS}" "${arg_IN_CACHE}")
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
endforeach()
|
|
endforeach()
|
|
endfunction()
|
|
|
|
# Convenience function to replace a linker flag with another one, for the given configurations
|
|
# and target link types.
|
|
# Essentially a glorified string(REPLACE).
|
|
# Can be used to remove linker flags.
|
|
# The flag variables are always updated in the calling scope, even if they did not exist beforehand.
|
|
#
|
|
# match_string - string to match
|
|
# replace_string - replacement string
|
|
# IN_CACHE - replace them in the corresponding cache variable too. Note that the cache
|
|
# variable may have a different value to the non-cache variable.
|
|
# CONFIGS - should be a list of upper case configs like DEBUG, RELEASE, RELWITHDEBINFO.
|
|
# TYPES - should be a list of target link types as expected by CMake's
|
|
# CMAKE_<LINKER_TYPE>_LINKER_FLAGS_<CONFIG> cache variable.
|
|
# e.g EXE, MODULE, SHARED, STATIC.
|
|
function(qt_internal_replace_linker_flags match_string replace_string)
|
|
qt_parse_all_arguments(
|
|
arg
|
|
"qt_internal_replace_compiler_flags"
|
|
"IN_CACHE"
|
|
""
|
|
"CONFIGS;TYPES"
|
|
${ARGN})
|
|
|
|
if(NOT arg_TYPES)
|
|
message(FATAL_ERROR
|
|
"You must specify at least one linker target type for which to replace the flags.")
|
|
endif()
|
|
if(NOT arg_CONFIGS)
|
|
message(FATAL_ERROR
|
|
"You must specify at least one configuration for which to replace the flags.")
|
|
endif()
|
|
|
|
set(configs ${arg_CONFIGS})
|
|
set(target_link_types ${arg_TYPES})
|
|
|
|
foreach(config ${configs})
|
|
foreach(t ${target_link_types})
|
|
set(flag_var_name "CMAKE_${t}_LINKER_FLAGS_${config}")
|
|
qt_internal_replace_flags_impl(${flag_var_name}
|
|
"${match_string}" "${replace_string}" "${arg_IN_CACHE}")
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
endforeach()
|
|
endforeach()
|
|
endfunction()
|
|
|
|
# This function finds the optimization flags set by the default CMake platform modules or toolchain
|
|
# files and replaces them with flags that Qt qmake builds expect, for all the usual
|
|
# CMAKE_BUILD_TYPE configurations.
|
|
# This normalizes things like using -O2 for both Release and RelWithDebInfo, among other compilation
|
|
# flags. Also some linker flags specific to MSVC.
|
|
# See QTBUG-85992 for details.
|
|
#
|
|
# Note that both the calling scope and the CMake cache are updated.
|
|
function(qt_internal_set_up_config_optimizations_like_in_qmake)
|
|
# Allow opt out.
|
|
if(QT_USE_DEFAULT_CMAKE_OPTIMIZATION_FLAGS)
|
|
return()
|
|
endif()
|
|
|
|
qt_internal_get_enabled_languages_for_flag_manipulation(enabled_languages)
|
|
qt_internal_get_configs_for_flag_manipulation(configs)
|
|
qt_internal_get_target_link_types_for_flag_manipulation(target_link_types)
|
|
|
|
# You can set QT_DEBUG_OPTIMIZATION_FLAGS to see the before and after results.
|
|
if(QT_DEBUG_OPTIMIZATION_FLAGS)
|
|
message(STATUS "")
|
|
message(STATUS "DEBUG: Original CMake optimization flags.\n")
|
|
qt_internal_print_optimization_flags_values_helper("${enabled_languages}" "${configs}"
|
|
"${target_link_types}")
|
|
endif()
|
|
|
|
# Remove known optimization flags.
|
|
qt_internal_remove_known_optimization_flags(IN_CACHE CONFIGS ${configs})
|
|
|
|
# Re-add optimization flags as per qmake mkspecs.
|
|
foreach(lang ${enabled_languages})
|
|
foreach(config ${configs})
|
|
set(flag_var_name "CMAKE_${lang}_FLAGS_${config}")
|
|
set(value_to_append "")
|
|
|
|
# Release and RelWithDebInfo should get the same base optimization flags.
|
|
if(config STREQUAL "RELEASE" AND QT_CFLAGS_OPTIMIZE)
|
|
set(value_to_append "${QT_CFLAGS_OPTIMIZE}")
|
|
elseif(config STREQUAL "RELWITHDEBINFO" AND QT_CFLAGS_OPTIMIZE)
|
|
set(value_to_append "${QT_CFLAGS_OPTIMIZE}")
|
|
|
|
# MinSizeRel should get the optimize size flag if available, otherwise the regular
|
|
# release flag.
|
|
elseif(config STREQUAL "MINSIZEREL")
|
|
if(QT_CFLAGS_OPTIMIZE_SIZE)
|
|
set(value_to_append "${QT_CFLAGS_OPTIMIZE_SIZE}")
|
|
else()
|
|
set(value_to_append "${QT_CFLAGS_OPTIMIZE}")
|
|
endif()
|
|
endif()
|
|
|
|
# Debug should get the OPTIMIZE_DEBUG flag if the respective feature is ON.
|
|
if(config STREQUAL "DEBUG" AND QT_FEATURE_optimize_debug)
|
|
set(value_to_append "${QT_CFLAGS_OPTIMIZE_DEBUG}")
|
|
endif()
|
|
|
|
set(configs_for_optimize_size RELEASE RELWITHDEBINFO)
|
|
if(QT_FEATURE_optimize_size AND config IN_LIST configs_for_optimize_size)
|
|
set(value_to_append "${QT_CFLAGS_OPTIMIZE_SIZE}")
|
|
endif()
|
|
|
|
# Check if the fake 'optimize_full' feature is enabled.
|
|
# Use the max optimization level flag for all release configs, effectively
|
|
# overriding any previous setting.
|
|
set(configs_for_optimize RELEASE RELWITHDEBINFO MINSIZEREL)
|
|
if(QT_FEATURE_optimize_full AND config IN_LIST configs_for_optimize)
|
|
qt_internal_get_optimize_full_flags(optimize_full_flags)
|
|
set(value_to_append "${optimize_full_flags}")
|
|
endif()
|
|
|
|
# Assign value to the cache entry.
|
|
if(value_to_append)
|
|
qt_internal_add_flags_impl(${flag_var_name} "${value_to_append}" TRUE)
|
|
# Delay updating the calling scope's variables to the end of this function
|
|
endif()
|
|
|
|
endforeach()
|
|
endforeach()
|
|
|
|
if(MSVC)
|
|
# Handle MSVC /INCREMENTAL flag which should not be enabled for Release configurations.
|
|
# First remove them from all configs, and re-add INCREMENTAL for Debug only.
|
|
set(flag_values "/INCREMENTAL:YES" "/INCREMENTAL:NO" "/INCREMENTAL")
|
|
foreach(flag_value ${flag_values})
|
|
qt_internal_replace_linker_flags(
|
|
"${flag_value}" ""
|
|
CONFIGS ${configs}
|
|
TYPES ${target_link_types}
|
|
IN_CACHE)
|
|
endforeach()
|
|
|
|
set(flag_value "/INCREMENTAL:NO")
|
|
qt_internal_add_linker_flags(
|
|
FLAGS "${flag_value}"
|
|
CONFIGS RELEASE RELWITHDEBINFO MINSIZEREL
|
|
TYPES EXE SHARED MODULE # when linking static libraries, link.exe can't recognize this parameter, clang-cl will error out.
|
|
IN_CACHE)
|
|
qt_internal_remove_compiler_flags("(^| )/EH[scra-]*( |$)" LANGUAGES CXX CONFIGS ${configs} IN_CACHE REGEX)
|
|
endif()
|
|
|
|
# Allow opting into generating debug info in object files with a fake feature.
|
|
# This would allow us to enable caching with sccache.
|
|
# See QTQAINFRA-3934 for details.
|
|
if(MSVC AND QT_FEATURE_msvc_obj_debug_info)
|
|
qt_internal_replace_compiler_flags(
|
|
"/Zi" "/Z7"
|
|
CONFIGS RELWITHDEBINFO DEBUG
|
|
TYPES ${target_link_types}
|
|
IN_CACHE)
|
|
endif()
|
|
|
|
# Update all relevant flags in the calling scope
|
|
foreach(config ${configs})
|
|
foreach(lang ${enabled_languages})
|
|
set(flag_var_name "CMAKE_${lang}_FLAGS_${config}")
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
endforeach()
|
|
|
|
foreach(t ${target_link_types})
|
|
set(flag_var_name "CMAKE_${t}_LINKER_FLAGS_${config}")
|
|
set(${flag_var_name} "${${flag_var_name}}" PARENT_SCOPE)
|
|
endforeach()
|
|
endforeach()
|
|
|
|
if(QT_DEBUG_OPTIMIZATION_FLAGS)
|
|
message(STATUS "")
|
|
message(STATUS "DEBUG: Modified optimization flags to mirror qmake mkspecs.\n")
|
|
qt_internal_print_optimization_flags_values_helper("${enabled_languages}" "${configs}"
|
|
"${target_link_types}")
|
|
endif()
|
|
endfunction()
|