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303 lines
7.2 KiB
CMake
303 lines
7.2 KiB
CMake
#[=======================================================================[.rst
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FindXcb
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-------
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FindModule for XCB and associated libraries
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.. versionchanged:: 3.0
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Updated FindModule to CMake standards
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Components
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^^^^^^^^^^
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.. versionadded:: 1.0
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This module contains provides several components:
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``xcb-xcb``
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``xcb-composite``
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``xcb-damage``
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``xcb-dri2,``
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``xcb-ewmh``
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``xcb-glx``
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``xcb-icccm``
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``xcb-image``
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``xcb-keysyms
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``xcb-randr``
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``xcb-render``
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``xcb-renderutil``
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``xcb-shape``
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``xcb-shm``
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``xcb-sync``
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``xcb-util
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``xcb-xfixes``
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``xcb-xtest``
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``xcb-xv``
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``xcb-xinput``
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``xcb-xinerama``
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Import targets exist for each component.
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Imported Targets
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^^^^^^^^^^^^^^^^
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.. versionadded:: 2.0
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This module defines the :prop_tgt:`IMPORTED` targets:
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``xcb::xcb``
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xcb component
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``xcb::xcb-composite``
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xcb-composite component
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``xcb::xcb-damage``
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xcb-damage component
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``xcb::xcb-dri2``
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xcb-dri2 component
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``xcb::xcb-ewmh``
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xcb-ewmh component
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``xcb::xcb-glx``
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xcb-glx component
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``xcb::xcb-icccm``
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xcb-icccm component
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``xcb::xcb-image``
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xcb-image component
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``xcb::xcb-keysyms``
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xcb-keysyms component
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``xcb::xcb-randr``
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xcb-randr component
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``xcb::xcb-render``
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xcb-render component
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``xcb::xcb-renderutil``
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xcb-renderutil component
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``xcb::xcb-shape``
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xcb-shape component
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``xcb::xcb-shm``
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xcb-shm component
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``xcb::xcb-sync``
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xcb-sync component
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``xcb::xcb-util``
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xcb-util component
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``xcb::xcb-xfixes``
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xcb-xfixes component
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``xcb::xcb-xtest``
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xcb-xtest component
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``xcb::xcb-xv``
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xcb-xv component
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``xcb::xcb-xinput``
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xcb-xinput component
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``xcb::xcb-xinerema``
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xcb-xinerema component
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Result Variables
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^^^^^^^^^^^^^^^^
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This module sets the following variables:
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``Xcb_<COMPONENT>_FOUND``
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True, if required component was found.
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``Xcb_<COMPONENT>_VERSION``
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Detected version of found XCB component library.
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``Xcb_<COMPONENT>_INCLUDE_DIRS``
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Include directories needed for XCB component.
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``Xcb_<COMPONENT>_LIBRARIES``
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Libraries needed to link to XCB component.
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Cache variables
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^^^^^^^^^^^^^^^
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The following cache variables may also be set:
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``Xcb_<COMPONENT>_LIBRARY``
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Path to the library component of XCB.
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``Xcb_<COMPONENT>_INCLUDE_DIR``
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Directory containing ``<COMPONENT>.h``.
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#]=======================================================================]
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# cmake-format: off
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# cmake-lint: disable=C0103
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# cmake-lint: disable=C0301
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# cmake-lint: disable=R0915
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# cmake-format: on
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include(FindPackageHandleStandardArgs)
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find_package(PkgConfig QUIET)
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list(
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APPEND
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_Xcb_DEFAULT_COMPONENTS
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xcb
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xcb-composite
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xcb-damage
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xcb-dri2,
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xcb-ewmh
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xcb-glx
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xcb-icccm
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xcb-image
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xcb-keysyms
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xcb-randr
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xcb-render
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xcb-renderutil
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xcb-shape
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xcb-shm
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xcb-sync
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xcb-util
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xcb-xfixes
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xcb-xtest
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xcb-xv
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xcb-xinput
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xcb-xinerama)
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list(
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APPEND
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_Xcb_HEADERS
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xcb.h
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composite.h
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damage.h
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dri2h.h
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xcb_ewmh.h
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glx.h
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xcb_icccm.h
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xcb_image.h
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xcb_keysyms.h
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randr.h
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render.h
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xcb_renderutil.h
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shape.h
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shm.h
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sync.h
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xcb_util.h
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xfixes.h
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xtest.h
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xv.h
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xinput.h
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xinerama.h)
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if(NOT Xcb_FIND_COMPONENTS)
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set(Xcb_FIND_COMPONENTS ${_Xcb_DEFAULT_COMPONENTS})
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endif()
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# Xcb_find_component: Find and create targets for specified xcb component
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macro(Xcb_find_component component)
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list(GET _Xcb_DEFAULT_COMPONENTS ${component} COMPONENT_NAME)
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list(GET _Xcb_HEADERS ${component} COMPONENT_HEADER)
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if(NOT TARGET xcb::${COMPONENT_NAME})
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if(PKG_CONFIG_FOUND)
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pkg_search_module(PC_Xcb_${COMPONENT_NAME} QUIET ${COMPONENT_NAME})
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endif()
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find_path(
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Xcb_${COMPONENT_NAME}_INCLUDE_DIR
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NAMES "xcb/${COMPONENT_HEADER}"
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HINTS ${PC_Xcb_${COMPONENT_NAME}_INCLUDE_DIRS}
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PATHS /usr/include /usr/local/include
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DOC "XCB component ${COMPONENT_NAME} include directory")
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find_library(
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Xcb_${COMPONENT_NAME}_LIBRARY
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NAMES "${COMPONENT_NAME}"
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HINTS ${PC_Xcb_${COMPONENT_NAME}_LIBRARY_DIRS}
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PATHS /usr/lib /usr/local/lib
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DOC "XCB component ${COMPONENT_NAME} location")
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if(PC_Xcb_${COMPONENT_NAME}_VERSION VERSION_GREATER 0)
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set(Xcb_${COMPONENT_NAME}_VERSION ${PC_Xcb_${COMPONENT_NAME}_VERSION})
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else()
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if(NOT Xcb_FIND_QUIETLY)
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message(AUTHOR_WARNING "Failed to find ${COMPONENT_NAME} version.")
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endif()
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set(Xcb_${COMPONENT_NAME}_VERSION 0.0.0)
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endif()
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if(Xcb_${COMPONENT_NAME}_LIBRARY AND Xcb_${COMPONENT_NAME}_INCLUDE_DIR)
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set(Xcb_${COMPONENT_NAME}_FOUND TRUE)
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set(Xcb_${COMPONENT_NAME}_LIBRARIES ${Xcb_${COMPONENT_NAME}_LIBRARY})
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set(Xcb_${COMPONENT_NAME}_INCLUDE_DIRS ${Xcb_${COMPONENT_NAME}_INCLUDE_DIR})
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set(Xcb_${COMPONENT_NAME}_DEFINITIONS ${PC_Xcb_${COMPONENT_NAME}_CFLAGS_OTHER})
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mark_as_advanced(Xcb_${COMPONENT_NAME}_LIBRARY Xcb_${COMPONENT_NAME}_INCLUDE_DIR)
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if(IS_ABSOLUTE "${Xcb_${COMPONENT_NAME}_LIBRARY}")
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add_library(xcb::${COMPONENT_NAME} UNKNOWN IMPORTED)
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set_property(TARGET xcb::${COMPONENT_NAME} PROPERTY IMPORTED_LOCATION "${Xcb_${COMPONENT_NAME}_LIBRARY}")
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else()
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add_library(xcb::${COMPONENT_NAME} INTERFACE IMPORTED)
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set_property(TARGET xcb::${COMPONENT_NAME} PROPERTY IMPORTED_LIBNAME "${Xcb_${COMPONENT_NAME}_LIBRARY}")
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endif()
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set_target_properties(
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xcb::${COMPONENT_NAME}
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PROPERTIES INTERFACE_COMPILE_OPTIONS "${PC_Xcb_${COMPONENT_NAME}_CFLAGS_OTHER}"
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INTERFACE_INCLUDE_DIRECTORIES "${Xcb_${COMPONENT_NAME}_INCLUDE_DIR}"
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VERSION ${Xcb_${COMPONENT_NAME}_VERSION})
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list(APPEND Xcb_COMPONENTS xcb::${COMPONENT_NAME})
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list(APPEND Xcb_LIBRARIES ${Xcb_${COMPONENT_NAME}_LIBRARY})
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list(APPEND Xcb_INCLUDE_DIRS ${Xcb_${COMPONENT_NAME}_INCLUDE_DIR})
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if(NOT Xcb_VERSION)
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set(Xcb_VERSION ${Xcb_${COMPONENT_NAME}_VERSION})
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endif()
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endif()
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else()
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list(APPEND Xcb_COMPONENTS xcb::${COMPONENT_NAME})
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set(Xcb_${COMPONENT_NAME}_FOUND TRUE)
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get_target_property(component_location xcb::${COMPONENT_NAME} IMPORTED_LOCATION)
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if(NOT component_location)
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get_target_property(component_location xcb::${COMPONENT_NAME} IMPORTED_LIBNAME)
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endif()
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get_target_property(component_include_dir xcb::${COMPONENT_NAME} INTERFACE_INCLUDE_DIRECTORIES)
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list(APPEND Xcb_LIBRARIES ${component_location})
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list(APPEND Xcb_INCLUDE_DIRS ${component_include_dir})
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unset(component_location)
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unset(component_include_dir)
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endif()
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endmacro()
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foreach(component IN LISTS Xcb_FIND_COMPONENTS)
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list(FIND _Xcb_DEFAULT_COMPONENTS "${component}" valid_component)
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if(valid_component GREATER_EQUAL 0)
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xcb_find_component(${valid_component})
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else()
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message(FATAL_ERROR "Unknown XCB component required: ${component}.")
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endif()
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endforeach()
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list(REMOVE_DUPLICATES Xcb_INCLUDE_DIRS)
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find_package_handle_standard_args(
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Xcb
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REQUIRED_VARS Xcb_LIBRARIES Xcb_INCLUDE_DIRS
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VERSION_VAR Xcb_VERSION
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HANDLE_COMPONENTS REASON_FAILURE_MESSAGE "Ensure xcb is installed on the system.")
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unset(_Xcb_DEFAULT_COMPONENTS)
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unset(_Xcb_HEADERS)
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include(FeatureSummary)
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set_package_properties(
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Xcb PROPERTIES
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URL "https://xcb.freedesktop.org"
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DESCRIPTION
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"A replacement for Xlib featuring a small footprint, latency hiding, direct access to the protocol, improved threading support, and extensibility."
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)
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