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144 lines
5.4 KiB
CMake
144 lines
5.4 KiB
CMake
#.rst:
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# FindWayland
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# -----------
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#
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# Try to find Wayland.
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#
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# This is a component-based find module, which makes use of the COMPONENTS
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# and OPTIONAL_COMPONENTS arguments to find_module. The following components
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# are available::
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#
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# Client Server Cursor Egl
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#
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# If no components are specified, this module will act as though all components
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# were passed to OPTIONAL_COMPONENTS.
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#
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# This module will define the following variables, independently of the
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# components searched for or found:
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#
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# ``Wayland_FOUND``
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# TRUE if (the requested version of) Wayland is available
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# ``Wayland_VERSION``
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# Found Wayland version
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# ``Wayland_TARGETS``
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# A list of all targets imported by this module (note that there may be more
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# than the components that were requested)
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# ``Wayland_LIBRARIES``
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# This can be passed to target_link_libraries() instead of the imported
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# targets
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# ``Wayland_INCLUDE_DIRS``
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# This should be passed to target_include_directories() if the targets are
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# not used for linking
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# ``Wayland_DEFINITIONS``
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# This should be passed to target_compile_options() if the targets are not
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# used for linking
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#
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# For each searched-for components, ``Wayland_<component>_FOUND`` will be set to
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# TRUE if the corresponding Wayland library was found, and FALSE otherwise. If
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# ``Wayland_<component>_FOUND`` is TRUE, the imported target
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# ``Wayland::<component>`` will be defined. This module will also attempt to
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# determine ``Wayland_*_VERSION`` variables for each imported target, although
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# ``Wayland_VERSION`` should normally be sufficient.
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#
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# In general we recommend using the imported targets, as they are easier to use
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# and provide more control. Bear in mind, however, that if any target is in the
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# link interface of an exported library, it must be made available by the
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# package config file.
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#
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# Since pre-1.0.0.
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#=============================================================================
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# Copyright 2014 Alex Merry <alex.merry@kde.org>
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# Copyright 2014 Martin Gräßlin <mgraesslin@kde.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. The name of the author may not be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#=============================================================================
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include(${CMAKE_CURRENT_LIST_DIR}/ECMFindModuleHelpersStub.cmake)
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ecm_find_package_version_check(Wayland)
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set(Wayland_known_components
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Client
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Server
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Cursor
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Egl
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)
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foreach(_comp ${Wayland_known_components})
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string(TOLOWER "${_comp}" _lc_comp)
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set(Wayland_${_comp}_component_deps)
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set(Wayland_${_comp}_pkg_config "wayland-${_lc_comp}")
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set(Wayland_${_comp}_lib "wayland-${_lc_comp}")
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set(Wayland_${_comp}_header "wayland-${_lc_comp}.h")
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endforeach()
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set(Wayland_Egl_component_deps Client)
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ecm_find_package_parse_components(Wayland
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RESULT_VAR Wayland_components
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KNOWN_COMPONENTS ${Wayland_known_components}
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)
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ecm_find_package_handle_library_components(Wayland
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COMPONENTS ${Wayland_components}
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)
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# If pkg-config didn't provide us with version information,
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# try to extract it from wayland-version.h
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# (Note that the version from wayland-egl.pc will probably be
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# the Mesa version, rather than the Wayland version, but that
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# version will be ignored as we always find wayland-client.pc
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# first).
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if(NOT Wayland_VERSION)
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find_file(Wayland_VERSION_HEADER
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NAMES wayland-version.h
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HINTS ${Wayland_INCLUDE_DIRS}
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)
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mark_as_advanced(Wayland_VERSION_HEADER)
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if(Wayland_VERSION_HEADER)
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file(READ ${Wayland_VERSION_HEADER} _wayland_version_header_contents)
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string(REGEX REPLACE
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"^.*[ \t]+WAYLAND_VERSION[ \t]+\"([0-9.]*)\".*$"
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"\\1"
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Wayland_VERSION
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"${_wayland_version_header_contents}"
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)
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unset(_wayland_version_header_contents)
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endif()
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endif()
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find_package_handle_standard_args(Wayland
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FOUND_VAR
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Wayland_FOUND
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REQUIRED_VARS
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Wayland_LIBRARIES
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VERSION_VAR
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Wayland_VERSION
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HANDLE_COMPONENTS
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)
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include(FeatureSummary)
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set_package_properties(Wayland PROPERTIES
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URL "http://wayland.freedesktop.org"
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DESCRIPTION "C library implementation of the Wayland protocol: a protocol for a compositor to talk to its clients"
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)
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