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86578eccf2
Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
381 lines
14 KiB
CMake
381 lines
14 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# DeployQt4
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# ---------
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#
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# Functions to help assemble a standalone Qt4 executable.
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#
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# A collection of CMake utility functions useful for deploying Qt4
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# executables.
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#
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# The following functions are provided by this module:
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#
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# ::
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#
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# write_qt4_conf
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# resolve_qt4_paths
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# fixup_qt4_executable
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# install_qt4_plugin_path
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# install_qt4_plugin
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# install_qt4_executable
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#
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# Requires CMake 2.6 or greater because it uses function and
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# PARENT_SCOPE. Also depends on BundleUtilities.cmake.
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#
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# ::
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#
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# WRITE_QT4_CONF(<qt_conf_dir> <qt_conf_contents>)
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#
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# Writes a qt.conf file with the <qt_conf_contents> into <qt_conf_dir>.
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#
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# ::
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#
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# RESOLVE_QT4_PATHS(<paths_var> [<executable_path>])
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#
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# Loop through <paths_var> list and if any don't exist resolve them
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# relative to the <executable_path> (if supplied) or the
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# CMAKE_INSTALL_PREFIX.
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#
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# ::
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#
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# FIXUP_QT4_EXECUTABLE(<executable>
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# [<qtplugins> <libs> <dirs> <plugins_dir> <request_qt_conf>])
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#
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# Copies Qt plugins, writes a Qt configuration file (if needed) and
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# fixes up a Qt4 executable using BundleUtilities so it is standalone
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# and can be drag-and-drop copied to another machine as long as all of
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# the system libraries are compatible.
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#
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# <executable> should point to the executable to be fixed-up.
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#
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# <qtplugins> should contain a list of the names or paths of any Qt
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# plugins to be installed.
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#
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# <libs> will be passed to BundleUtilities and should be a list of any
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# already installed plugins, libraries or executables to also be
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# fixed-up.
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#
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# <dirs> will be passed to BundleUtilities and should contain and
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# directories to be searched to find library dependencies.
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#
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# <plugins_dir> allows an custom plugins directory to be used.
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#
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# <request_qt_conf> will force a qt.conf file to be written even if not
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# needed.
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#
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# ::
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#
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# INSTALL_QT4_PLUGIN_PATH(plugin executable copy installed_plugin_path_var
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# <plugins_dir> <component> <configurations>)
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#
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# Install (or copy) a resolved <plugin> to the default plugins directory
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# (or <plugins_dir>) relative to <executable> and store the result in
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# <installed_plugin_path_var>.
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#
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# If <copy> is set to TRUE then the plugins will be copied rather than
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# installed. This is to allow this module to be used at CMake time
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# rather than install time.
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#
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# If <component> is set then anything installed will use this COMPONENT.
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#
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# ::
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#
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# INSTALL_QT4_PLUGIN(plugin executable copy installed_plugin_path_var
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# <plugins_dir> <component>)
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#
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# Install (or copy) an unresolved <plugin> to the default plugins
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# directory (or <plugins_dir>) relative to <executable> and store the
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# result in <installed_plugin_path_var>. See documentation of
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# INSTALL_QT4_PLUGIN_PATH.
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#
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# ::
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#
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# INSTALL_QT4_EXECUTABLE(<executable>
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# [<qtplugins> <libs> <dirs> <plugins_dir> <request_qt_conf> <component>])
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#
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# Installs Qt plugins, writes a Qt configuration file (if needed) and
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# fixes up a Qt4 executable using BundleUtilities so it is standalone
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# and can be drag-and-drop copied to another machine as long as all of
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# the system libraries are compatible. The executable will be fixed-up
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# at install time. <component> is the COMPONENT used for bundle fixup
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# and plugin installation. See documentation of FIXUP_QT4_BUNDLE.
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# The functions defined in this file depend on the fixup_bundle function
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# (and others) found in BundleUtilities.cmake
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include("${CMAKE_CURRENT_LIST_DIR}/BundleUtilities.cmake")
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set(DeployQt4_cmake_dir "${CMAKE_CURRENT_LIST_DIR}")
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set(DeployQt4_apple_plugins_dir "PlugIns")
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function(write_qt4_conf qt_conf_dir qt_conf_contents)
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set(qt_conf_path "${qt_conf_dir}/qt.conf")
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message(STATUS "Writing ${qt_conf_path}")
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file(WRITE "${qt_conf_path}" "${qt_conf_contents}")
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endfunction()
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function(resolve_qt4_paths paths_var)
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unset(executable_path)
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if(ARGC GREATER 1)
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set(executable_path ${ARGV1})
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endif()
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set(paths_resolved)
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foreach(path ${${paths_var}})
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if(EXISTS "${path}")
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list(APPEND paths_resolved "${path}")
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else()
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if(${executable_path})
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list(APPEND paths_resolved "${executable_path}/${path}")
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else()
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list(APPEND paths_resolved "\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${path}")
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endif()
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endif()
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endforeach()
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set(${paths_var} ${paths_resolved} PARENT_SCOPE)
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endfunction()
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function(fixup_qt4_executable executable)
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unset(qtplugins)
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if(ARGC GREATER 1)
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set(qtplugins ${ARGV1})
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endif()
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unset(libs)
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if(ARGC GREATER 2)
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set(libs ${ARGV2})
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endif()
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unset(dirs)
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if(ARGC GREATER 3)
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set(dirs ${ARGV3})
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endif()
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unset(plugins_dir)
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if(ARGC GREATER 4)
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set(plugins_dir ${ARGV4})
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endif()
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unset(request_qt_conf)
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if(ARGC GREATER 5)
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set(request_qt_conf ${ARGV5})
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endif()
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message(STATUS "fixup_qt4_executable")
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message(STATUS " executable='${executable}'")
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message(STATUS " qtplugins='${qtplugins}'")
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message(STATUS " libs='${libs}'")
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message(STATUS " dirs='${dirs}'")
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message(STATUS " plugins_dir='${plugins_dir}'")
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message(STATUS " request_qt_conf='${request_qt_conf}'")
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if(QT_LIBRARY_DIR)
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list(APPEND dirs "${QT_LIBRARY_DIR}")
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endif()
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if(QT_BINARY_DIR)
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list(APPEND dirs "${QT_BINARY_DIR}")
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endif()
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if(APPLE)
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set(qt_conf_dir "${executable}/Contents/Resources")
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set(executable_path "${executable}")
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set(write_qt_conf TRUE)
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if(NOT DEFINED plugins_dir)
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set(plugins_dir "${DeployQt4_apple_plugins_dir}")
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endif()
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else()
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get_filename_component(executable_path "${executable}" PATH)
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if(NOT executable_path)
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set(executable_path ".")
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endif()
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set(qt_conf_dir "${executable_path}")
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set(write_qt_conf ${request_qt_conf})
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endif()
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foreach(plugin ${qtplugins})
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set(installed_plugin_path "")
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install_qt4_plugin("${plugin}" "${executable}" 1 installed_plugin_path)
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list(APPEND libs ${installed_plugin_path})
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endforeach()
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foreach(lib ${libs})
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if(NOT EXISTS "${lib}")
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message(FATAL_ERROR "Library does not exist: ${lib}")
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endif()
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endforeach()
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resolve_qt4_paths(libs "${executable_path}")
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if(write_qt_conf)
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set(qt_conf_contents "[Paths]\nPlugins = ${plugins_dir}")
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write_qt4_conf("${qt_conf_dir}" "${qt_conf_contents}")
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endif()
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fixup_bundle("${executable}" "${libs}" "${dirs}")
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endfunction()
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function(install_qt4_plugin_path plugin executable copy installed_plugin_path_var)
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unset(plugins_dir)
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if(ARGC GREATER 4)
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set(plugins_dir ${ARGV4})
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endif()
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unset(component)
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if(ARGC GREATER 5)
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set(component ${ARGV5})
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endif()
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unset(configurations)
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if(ARGC GREATER 6)
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set(configurations ${ARGV6})
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endif()
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if(EXISTS "${plugin}")
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if(APPLE)
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if(NOT plugins_dir)
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set(plugins_dir "${DeployQt4_apple_plugins_dir}")
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endif()
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set(plugins_path "${executable}/Contents/${plugins_dir}")
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else()
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get_filename_component(plugins_path "${executable}" PATH)
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if(NOT plugins_path)
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set(plugins_path ".")
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endif()
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if(plugins_dir)
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string(APPEND plugins_path "/${plugins_dir}")
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endif()
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endif()
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set(plugin_group "")
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get_filename_component(plugin_path "${plugin}" PATH)
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get_filename_component(plugin_parent_path "${plugin_path}" PATH)
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get_filename_component(plugin_parent_dir_name "${plugin_parent_path}" NAME)
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get_filename_component(plugin_name "${plugin}" NAME)
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string(TOLOWER "${plugin_parent_dir_name}" plugin_parent_dir_name)
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if("${plugin_parent_dir_name}" STREQUAL "plugins")
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get_filename_component(plugin_group "${plugin_path}" NAME)
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set(${plugin_group_var} "${plugin_group}")
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endif()
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string(APPEND plugins_path "/${plugin_group}")
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if(${copy})
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file(MAKE_DIRECTORY "${plugins_path}")
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file(COPY "${plugin}" DESTINATION "${plugins_path}")
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else()
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if(configurations AND (CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE))
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set(configurations CONFIGURATIONS ${configurations})
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else()
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unset(configurations)
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endif()
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install(FILES "${plugin}" DESTINATION "${plugins_path}" ${configurations} ${component})
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endif()
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set(${installed_plugin_path_var} "${plugins_path}/${plugin_name}" PARENT_SCOPE)
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endif()
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endfunction()
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function(install_qt4_plugin plugin executable copy installed_plugin_path_var)
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unset(plugins_dir)
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if(ARGC GREATER 4)
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set(plugins_dir ${ARGV4})
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endif()
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unset(component)
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if(ARGC GREATER 5)
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set(component ${ARGV5})
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endif()
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if(EXISTS "${plugin}")
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install_qt4_plugin_path("${plugin}" "${executable}" "${copy}" "${installed_plugin_path_var}" "${plugins_dir}" "${component}")
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else()
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string(TOUPPER "QT_${plugin}_PLUGIN" plugin_var)
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set(plugin_release_var "${plugin_var}_RELEASE")
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set(plugin_debug_var "${plugin_var}_DEBUG")
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set(plugin_release "${${plugin_release_var}}")
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set(plugin_debug "${${plugin_debug_var}}")
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if(DEFINED "${plugin_release_var}" AND DEFINED "${plugin_debug_var}" AND NOT EXISTS "${plugin_release}" AND NOT EXISTS "${plugin_debug}")
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message(WARNING "Qt plugin \"${plugin}\" not recognized or found.")
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endif()
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if(NOT EXISTS "${${plugin_debug_var}}")
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set(plugin_debug "${plugin_release}")
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endif()
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if(CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE)
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install_qt4_plugin_path("${plugin_release}" "${executable}" "${copy}" "${installed_plugin_path_var}_release" "${plugins_dir}" "${component}" "Release|RelWithDebInfo|MinSizeRel")
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install_qt4_plugin_path("${plugin_debug}" "${executable}" "${copy}" "${installed_plugin_path_var}_debug" "${plugins_dir}" "${component}" "Debug")
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if(CMAKE_BUILD_TYPE MATCHES "^Debug$")
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set(${installed_plugin_path_var} ${${installed_plugin_path_var}_debug})
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else()
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set(${installed_plugin_path_var} ${${installed_plugin_path_var}_release})
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endif()
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else()
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install_qt4_plugin_path("${plugin_release}" "${executable}" "${copy}" "${installed_plugin_path_var}" "${plugins_dir}" "${component}")
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endif()
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endif()
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set(${installed_plugin_path_var} ${${installed_plugin_path_var}} PARENT_SCOPE)
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endfunction()
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function(install_qt4_executable executable)
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unset(qtplugins)
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if(ARGC GREATER 1)
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set(qtplugins ${ARGV1})
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endif()
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unset(libs)
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if(ARGC GREATER 2)
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set(libs ${ARGV2})
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endif()
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unset(dirs)
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if(ARGC GREATER 3)
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set(dirs ${ARGV3})
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endif()
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unset(plugins_dir)
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if(ARGC GREATER 4)
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set(plugins_dir ${ARGV4})
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endif()
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unset(request_qt_conf)
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if(ARGC GREATER 5)
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set(request_qt_conf ${ARGV5})
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endif()
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unset(component)
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if(ARGC GREATER 6)
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set(component ${ARGV6})
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endif()
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if(QT_LIBRARY_DIR)
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list(APPEND dirs "${QT_LIBRARY_DIR}")
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endif()
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if(QT_BINARY_DIR)
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list(APPEND dirs "${QT_BINARY_DIR}")
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endif()
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if(component)
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set(component COMPONENT ${component})
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else()
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unset(component)
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endif()
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get_filename_component(executable_absolute "${executable}" ABSOLUTE)
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if(EXISTS "${QT_QTCORE_LIBRARY_RELEASE}")
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gp_file_type("${executable_absolute}" "${QT_QTCORE_LIBRARY_RELEASE}" qtcore_type)
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elseif(EXISTS "${QT_QTCORE_LIBRARY_DEBUG}")
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gp_file_type("${executable_absolute}" "${QT_QTCORE_LIBRARY_DEBUG}" qtcore_type)
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endif()
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if(qtcore_type STREQUAL "system")
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set(qt_plugins_dir "")
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endif()
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if(QT_IS_STATIC)
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message(WARNING "Qt built statically: not installing plugins.")
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else()
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foreach(plugin ${qtplugins})
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set(installed_plugin_paths "")
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install_qt4_plugin("${plugin}" "${executable}" 0 installed_plugin_paths "${plugins_dir}" "${component}")
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list(APPEND libs ${installed_plugin_paths})
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endforeach()
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endif()
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resolve_qt4_paths(libs "")
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install(CODE
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"include(\"${DeployQt4_cmake_dir}/DeployQt4.cmake\")
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set(BU_CHMOD_BUNDLE_ITEMS TRUE)
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FIXUP_QT4_EXECUTABLE(\"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${executable}\" \"\" \"${libs}\" \"${dirs}\" \"${plugins_dir}\" \"${request_qt_conf}\")"
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${component}
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)
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endfunction()
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