f66c1db16c
A recurring problem with the Q_NAMESPACE macro is that it declares an object (staticMetaObject) in the surrounding namespace. That object lacks any export/import qualification to make it usable with shared libraries. Introduce therefore another macro to work around this issue, allowing the user to prefix the object with an exporting macro, f.i. like this: Q_NAMESPACE_EXPORT(Q_CORE_EXPORT) The old macro can simply then be rewritten in terms of this new one, supplying an empty export macro. Note that NOT passing an argument to a macro expecting one is well defined behavior in C99 -- the macro will expand an empty token. Of course, MSVC doesn't like this and emits warnings. As a workaround, use a variadic macro. [ChangeLog][QtCore] Added the new Q_NAMESPACE_EXPORT macro. It can be used just like Q_NAMESPACE to add meta-object information to a namespace; however it also supports exporting of such information from shared libraries. [ChangeLog][Potentially Source-Incompatible Changes] Prefixing Q_NAMESPACE with an export macro may no longer work. Use the new Q_NAMESPACE_EXPORT macro for that use case. Fixes: QTBUG-68014 Change-Id: Ib044a555ace1f77ae8e0244d824ec473550f3d8e Reviewed-by: Edward Welbourne <edward.welbourne@qt.io> Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org> Reviewed-by: BogDan Vatra <bogdan@kdab.com>
242 lines
10 KiB
Plaintext
242 lines
10 KiB
Plaintext
versionsym = QT_VERSION_STR
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defines += Q_QDOC \
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Q_CLANG_QDOC \
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QT_.*_SUPPORT \
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QT_.*_LIB \
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QT_COMPAT \
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QT_KEYPAD_NAVIGATION \
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QT_NO_EGL \
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QT3_SUPPORT \
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Q_DEAD_CODE_FROM_QT4_.* \
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Q_BYTE_ORDER \
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QT_DEPRECATED \
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QT_DEPRECATED_* \
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Q_NO_USING_KEYWORD \
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Q_OS_.* \
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Q_STDLIB_UNICODE_STRINGS \
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Q_COMPILER_INITIALIZER_LISTS \
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Q_COMPILER_UNICODE_STRINGS \
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Q_COMPILER_UNIFORM_INIT \
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Q_COMPILER_RVALUE_REFS
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clangdefines += Q_QDOC \
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Q_CLANG_QDOC \
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QT_COMPAT \
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QT3_SUPPORT \
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QT_BUILD_CORE_LIB \
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QT_BUILD_EGL_DEVICE_LIB \
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QT_BUILD_LOCATION_LIB \
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QT_BUILD_SCRIPT_LIB \
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QT_BUILD_TESTLIB_LIB \
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QT_BUILD_WIDGETS_LIB \
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QT_CORE_LIB \
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QT_DEPRECATED \
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QT_GUI_LIB \
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QT_KEYPAD_NAVIGATION \
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QT_LARGEFILE_SUPPORT \
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QT_NETWORK_LIB \
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QT_NO_EGL \
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QT_OPENGL_SUPPORT \
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QT_SCRIPT_LIB \
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QT_SHARED_POINTER_BACKTRACE_SUPPORT \
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QT_WIDGETS_LIB \
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Q_BYTE_ORDER \
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Q_CC_CLANG \
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Q_COMPILER_CONSTEXPR \
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Q_COMPILER_DEFAULT_MEMBERS \
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Q_COMPILER_DELETE_MEMBERS \
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Q_COMPILER_EXPLICIT_OVERRIDES \
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Q_COMPILER_INITIALIZER_LISTS \
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Q_COMPILER_MANGLES_RETURN_TYPE \
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Q_COMPILER_NOEXCEPT \
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Q_COMPILER_NULLPTR \
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Q_COMPILER_RVALUE_REFS \
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Q_COMPILER_STATIC_ASSERT \
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Q_COMPILER_UNIFORM_INIT \
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Q_COMPILER_UNICODE_STRINGS \
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Q_COMPILER_VARIADIC_MACROS \
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Q_COMPILER_VARIADIC_TEMPLATES \
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Q_STDLIB_UNICODE_STRINGS \
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Q_ATOMIC_INT16_IS_SUPPORTED \
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Q_ATOMIC_INT64_IS_SUPPORTED \
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Q_ATOMIC_INT8_IS_SUPPORTED \
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Q_DEAD_CODE_FROM_QT4_MAC \
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Q_DEAD_CODE_FROM_QT4_WIN \
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Q_DEAD_CODE_FROM_QT4_X11
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# Q_COMPILER_REF_QUALIFIERS is not yet supported by all compilers
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Cpp.ignoretokens += \
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ENGINIOCLIENT_EXPORT \
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PHONON_EXPORT \
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Q_ALWAYS_INLINE \
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Q_AUTOTEST_EXPORT \
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Q_BLUETOOTH_EXPORT \
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Q_COMPAT_EXPORT \
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Q_CORE_EXPORT \
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Q_CORE_EXPORT_INLINE \
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Q_DBUS_EXPORT \
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Q_DECL_CONSTEXPR \
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Q_DECL_RELAXED_CONSTEXPR \
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Q_DECL_CONST_FUNCTION \
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Q_DECL_DEPRECATED \
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Q_DECL_NOEXCEPT \
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Q_DECL_FINAL \
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Q_DECL_OVERRIDE \
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Q_DECL_NOTHROW \
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Q_DECL_PURE_FUNCTION \
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Q_DECL_UNUSED \
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Q_DECL_CF_RETURNS_RETAINED \
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Q_DECL_NS_RETURNS_AUTORELEASED \
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Q_DECL_EQ_DEFAULT \
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Q_DECLARATIVE_EXPORT \
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Q_EXPLICIT \
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Q_EXPORT \
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Q_EXPORT_CODECS_CN \
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Q_EXPORT_CODECS_JP \
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Q_EXPORT_CODECS_KR \
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Q_EXPORT_PLUGIN \
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Q_EXPORT_PLUGIN2 \
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Q_GADGET \
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Q_GFX_INLINE \
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Q_GUI_EXPORT \
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Q_GUI_EXPORT_INLINE \
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Q_GUI_EXPORT_STYLE_CDE \
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Q_GUI_EXPORT_STYLE_COMPACT \
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Q_GUI_EXPORT_STYLE_MAC \
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Q_GUI_EXPORT_STYLE_MOTIF \
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Q_GUI_EXPORT_STYLE_MOTIFPLUS \
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Q_GUI_EXPORT_STYLE_PLATINUM \
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Q_GUI_EXPORT_STYLE_POCKETPC \
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Q_GUI_EXPORT_STYLE_SGI \
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Q_GUI_EXPORT_STYLE_WINDOWS \
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Q_INLINE_TEMPLATE \
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Q_INTERNAL_WIN_NO_THROW \
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Q_INVOKABLE \
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Q_LOCATION_EXPORT \
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Q_POSITIONING_EXPORT \
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Q_MULTIMEDIA_EXPORT \
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Q_NAMESPACE \
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Q_NAMESPACE_EXPORT \
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Q_NETWORK_EXPORT \
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Q_NEVER_INLINE \
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Q_NORETURN \
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Q_OPENGL_EXPORT \
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Q_OPENVG_EXPORT \
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Q_OUTOFLINE_TEMPLATE \
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Q_PRINTSUPPORT_EXPORT \
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Q_QML_EXPORT \
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Q_REQUIRED_RESULT \
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Q_SCRIPT_EXPORT \
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Q_SCRIPTTOOLS_EXPORT \
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Q_SERIALBUS_EXPORT \
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Q_SQL_EXPORT \
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Q_SVG_EXPORT \
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Q_TESTLIB_EXPORT \
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Q_TYPENAME \
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Q_WIDGETS_EXPORT \
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Q_WINEXTRAS_EXPORT \
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Q_XML_EXPORT \
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Q_XMLPATTERNS_EXPORT \
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Q_XMLSTREAM_EXPORT \
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QAXFACTORY_EXPORT \
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QDBUS_EXPORT \
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QDESIGNER_COMPONENTS_LIBRARY \
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QDESIGNER_EXTENSION_LIBRARY \
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QDESIGNER_SDK_LIBRARY \
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QDESIGNER_SHARED_LIBRARY \
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QDESIGNER_UILIB_LIBRARY \
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QHELP_EXPORT \
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QM_AUTOTEST_EXPORT \
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QM_EXPORT_CANVAS \
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QM_EXPORT_DNS \
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QM_EXPORT_DOM \
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QM_EXPORT_FTP \
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QM_EXPORT_HTTP \
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QM_EXPORT_ICONVIEW \
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QM_EXPORT_NETWORK \
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QM_EXPORT_OPENGL \
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QM_EXPORT_OPENVG \
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QM_EXPORT_SQL \
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QM_EXPORT_TABLE \
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QM_EXPORT_WORKSPACE \
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QM_EXPORT_XML \
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QT_ASCII_CAST_WARN \
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QT_ASCII_CAST_WARN_CONSTRUCTOR \
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QT_BEGIN_INCLUDE_NAMESPACE \
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QT_BEGIN_NAMESPACE \
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QT_BOOTSTRAPPED \
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QT_DESIGNER_STATIC \
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QT_END_INCLUDE_NAMESPACE \
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QT_END_NAMESPACE \
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QT_FASTCALL \
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QT_MUTEX_LOCK_NOEXCEPT \
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QT_POPCOUNT_CONSTEXPR \
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QT_SIZEPOLICY_CONSTEXPR \
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QT_WARNING_DISABLE_DEPRECATED \
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QT_WARNING_PUSH \
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QT_WARNING_POP \
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QT_WIDGET_PLUGIN_EXPORT \
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QWEBKIT_EXPORT
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Cpp.ignoredirectives += \
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__attribute__ \
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K_DECLARE_PRIVATE \
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PHONON_HEIR \
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PHONON_OBJECT \
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Q_CLASSINFO \
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Q_DECLARE_INTERFACE \
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Q_DECLARE_METATYPE \
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Q_DECLARE_OPERATORS_FOR_FLAGS \
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Q_DECLARE_PRIVATE \
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Q_DECLARE_PRIVATE_D \
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Q_DECLARE_PUBLIC \
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Q_DECLARE_SHARED \
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Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6 \
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Q_DECLARE_TR_FUNCTIONS \
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Q_DECLARE_TYPEINFO \
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Q_DECL_NOEXCEPT_EXPR \
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QT_DEPRECATED_X \
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QT_SYSINFO_DEPRECATED_X \
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Q_DISABLE_COPY \
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Q_DUMMY_COMPARISON_OPERATOR \
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Q_ENUM \
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Q_ENUMS \
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Q_ENUM_NS \
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Q_FLAG \
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Q_FLAGS \
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Q_FLAG_NS \
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QT_HAS_INCLUDE \
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Q_INTERFACES \
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Q_PRIVATE_PROPERTY \
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QT_FORWARD_DECLARE_CLASS \
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Q_DECLARE_HANDLE \
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Q_REVISION \
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QT_WARNING_DISABLE_CLANG \
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QT_WARNING_DISABLE_GCC \
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QT_WARNING_DISABLE_INTEL \
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QT_WARNING_DISABLE_MSVC \
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Q_ATTRIBUTE_FORMAT_PRINTF \
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Q_MV_IOS
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# Qt 6: Remove
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falsehoods += \
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"QT_VERSION >= QT_VERSION_CHECK\\(\\s*6\\s*,\\s*0\\s*,\\s*0\\s*\\)"
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excludefiles += \
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"*_posix.cpp" \
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"*_android.cpp" \
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"*_win.cpp" \
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"*_icu.cpp" \
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"*_msvc.cpp" \
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"*_wince.cpp" \
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"*_winrt.cpp" \
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"*_mac.cpp" \
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"*_macx.cpp" \
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"*_unix.cpp" \
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"*_udev.cpp" \
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"*_vxworks.cpp" \
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"*_darwin.cpp"
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