44cce1a2ea
QtBuild.cmake is huge. Split it. Move module, plugin, tools, executables and test related functions out of QtBuild.cmake into separate files. Do the same for many other things too. An additional requirement is that all the new Helpers files only define functions and macros. No global variable definitions are allowed, nor execution of commands with side effects. Some notes: qt_install_qml_files is removed because it's dead code. Some functions still need to be figured out, because they are interspersed and depend on various global state assignments. Task-number: QTBUG-86035 Change-Id: I21d79ff02eef923c202eb1000422888727cb0e2c Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
134 lines
4.9 KiB
CMake
134 lines
4.9 KiB
CMake
function(qt_compute_relative_rpath_base rpath install_location out_var)
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set(install_lib_dir_absolute "${CMAKE_INSTALL_PREFIX}/${INSTALL_LIBDIR}")
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get_filename_component(rpath_absolute "${rpath}"
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ABSOLUTE BASE_DIR "${install_lib_dir_absolute}")
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if(NOT IS_ABSOLUTE)
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set(install_location_absolute "${CMAKE_INSTALL_PREFIX}/${install_location}")
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endif()
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# Compute relative rpath from where the target will be installed, to the place where libraries
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# will be placed (INSTALL_LIBDIR).
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file(RELATIVE_PATH rpath_relative "${install_location_absolute}" "${rpath_absolute}")
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if("${rpath_relative}" STREQUAL "")
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# file(RELATIVE_PATH) returns an empty string if the given absolute paths are equal
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set(rpath_relative ".")
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endif()
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# Prepend $ORIGIN / @loader_path style tokens (qmake's QMAKE_REL_RPATH_BASE), to make the
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# relative rpaths work. qmake does this automatically when generating a project, so it wasn't
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# needed in the .prf files, but for CMake we need to prepend them ourselves.
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if(APPLE)
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set(rpath_rel_base "@loader_path")
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elseif(LINUX)
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set(rpath_rel_base "$ORIGIN")
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else()
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message(WARNING "No known RPATH_REL_BASE for target platform.")
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set(rpath_rel_base "NO_KNOWN_RPATH_REL_BASE")
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endif()
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if(rpath_relative STREQUAL ".")
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set(rpath_relative "${rpath_rel_base}")
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else()
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set(rpath_relative "${rpath_rel_base}/${rpath_relative}")
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endif()
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set("${out_var}" "${rpath_relative}" PARENT_SCOPE)
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endfunction()
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# Applies necessary rpaths to a target upon target installation.
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# No-op when targeting Windows, Android, or non-prefix builds.
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#
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# If no RELATIVE_RPATH option is given, embeds an absolute path rpath to ${INSTALL_LIBDIR}.
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# If RELATIVE_RPATH is given, the INSTALL_PATH value is to compute the relative path from
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# ${INSTALL_LIBDIR} to wherever the target will be installed (the value of INSTALL_PATH).
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# It's the equivalent of qmake's relative_qt_rpath.
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# INSTALL_PATH is used to implement the equivalent of qmake's $$qtRelativeRPathBase().
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#
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# A cache variable QT_DISABLE_RPATH can be set to disable embedding any rpaths when installing.
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function(qt_apply_rpaths)
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# No rpath support for win32 and android. Also no need to apply rpaths when doing a non-prefix
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# build.
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if(NOT QT_WILL_INSTALL OR WIN32 OR ANDROID)
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return()
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endif()
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# Rpaths xplicitly disabled (like for uikit), equivalent to qmake's no_qt_rpath.
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if(QT_DISABLE_RPATH)
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return()
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endif()
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qt_parse_all_arguments(arg "qt_apply_rpaths" "RELATIVE_RPATH" "TARGET;INSTALL_PATH" "" ${ARGN})
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if(NOT arg_TARGET)
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message(FATAL_ERRO "No target given to qt_apply_rpaths.")
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else()
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set(target "${arg_TARGET}")
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endif()
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# If a target is not built (which can happen for tools when crosscompiling, we shouldn't try
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# to apply properties.
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if(NOT TARGET "${target}")
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return()
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endif()
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# Protect against interface libraries.
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get_target_property(target_type "${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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if(NOT arg_INSTALL_PATH)
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message(FATAL_ERROR "No INSTALL_PATH given to qt_apply_rpaths.")
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endif()
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set(rpaths "")
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# Modify the install path to contain the nested structure of a framework.
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get_target_property(is_framework "${target}" FRAMEWORK)
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if(is_framework)
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if(UIKIT)
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# Shallow framework
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string(APPEND arg_INSTALL_PATH "/Qt${target}.framework")
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else()
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# Full framework
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string(APPEND arg_INSTALL_PATH "/Qt${target}.framework/Versions/Current")
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endif()
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endif()
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# Same but for an app bundle.
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get_target_property(is_bundle "${target}" MACOSX_BUNDLE)
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if(is_bundle AND NOT is_framework)
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if(UIKIT)
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# Shallow bundle
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string(APPEND arg_INSTALL_PATH "/${target}.app")
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else()
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# Full bundle
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string(APPEND arg_INSTALL_PATH "/${target}.app/Contents/MacOS")
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endif()
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endif()
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# Somewhat similar to mkspecs/features/qt.prf
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if(arg_RELATIVE_RPATH)
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qt_compute_relative_rpath_base(
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"${_default_install_rpath}" "${arg_INSTALL_PATH}" relative_rpath)
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list(APPEND rpaths "${relative_rpath}")
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else()
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list(APPEND rpaths "${_default_install_rpath}")
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endif()
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# Somewhat similar to mkspecs/features/qt_build_extra.prf.
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foreach(rpath ${QT_EXTRA_RPATHS})
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if(IS_ABSOLUTE)
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list(APPEND rpaths "${rpath}")
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else()
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qt_compute_relative_rpath_base("${rpath}" "${arg_INSTALL_PATH}" relative_rpath)
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list(APPEND rpaths "${relative_rpath}")
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endif()
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endforeach()
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if(rpaths)
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list(REMOVE_DUPLICATES rpaths)
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set_property(TARGET "${target}" APPEND PROPERTY INSTALL_RPATH ${rpaths})
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endif()
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endfunction()
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