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171 lines
6.2 KiB
CMake
171 lines
6.2 KiB
CMake
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#.rst:
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# FindWaylandScanner
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# ------------------
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#
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# Try to find wayland-scanner.
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#
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# If the wayland-scanner executable is not in your PATH, you can provide
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# an alternative name or full path location with the ``WaylandScanner_EXECUTABLE``
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# variable.
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#
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# This will define the following variables:
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#
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# ``WaylandScanner_FOUND``
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# True if wayland-scanner is available.
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#
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# ``WaylandScanner_EXECUTABLE``
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# The wayland-scanner executable.
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#
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# If ``WaylandScanner_FOUND`` is TRUE, it will also define the following imported
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# target:
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#
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# ``Wayland::Scanner``
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# The wayland-scanner executable.
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#
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# This module provides the following functions to generate C protocol
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# implementations:
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#
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# - ``ecm_add_wayland_client_protocol``
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# - ``ecm_add_wayland_server_protocol``
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#
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# ::
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#
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# ecm_add_wayland_client_protocol(<source_files_var>
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# PROTOCOL <xmlfile>
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# BASENAME <basename>)
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#
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# Generate Wayland client protocol files from ``<xmlfile>`` XML
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# definition for the ``<basename>`` interface and append those files
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# to ``<source_files_var>``.
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#
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# ::
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#
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# ecm_add_wayland_server_protocol(<source_files_var>
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# PROTOCOL <xmlfile>
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# BASENAME <basename>)
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#
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# Generate Wayland server protocol files from ``<xmlfile>`` XML
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# definition for the ``<basename>`` interface and append those files
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# to ``<source_files_var>``.
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#
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# Since 1.4.0.
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#=============================================================================
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# Copyright 2012-2014 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
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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(${CMAKE_CURRENT_LIST_DIR}/ECMFindModuleHelpers.cmake)
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ecm_find_package_version_check(WaylandScanner)
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# Find wayland-scanner
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find_program(WaylandScanner_EXECUTABLE NAMES wayland-scanner)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(WaylandScanner
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FOUND_VAR
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WaylandScanner_FOUND
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REQUIRED_VARS
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WaylandScanner_EXECUTABLE
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)
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mark_as_advanced(WaylandScanner_EXECUTABLE)
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if(NOT TARGET Wayland::Scanner AND WaylandScanner_FOUND)
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add_executable(Wayland::Scanner IMPORTED)
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set_target_properties(Wayland::Scanner PROPERTIES
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IMPORTED_LOCATION "${WaylandScanner_EXECUTABLE}"
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)
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endif()
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include(FeatureSummary)
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set_package_properties(WaylandScanner PROPERTIES
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URL "https://wayland.freedesktop.org/"
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DESCRIPTION "Executable that converts XML protocol files to C code"
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)
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function(ecm_add_wayland_client_protocol out_var)
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# Parse arguments
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set(oneValueArgs PROTOCOL BASENAME)
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cmake_parse_arguments(ARGS "" "${oneValueArgs}" "" ${ARGN})
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if(ARGS_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "Unknown keywords given to ecm_add_wayland_client_protocol(): \"${ARGS_UNPARSED_ARGUMENTS}\"")
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endif()
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get_filename_component(_infile ${ARGS_PROTOCOL} ABSOLUTE)
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set(_client_header "${CMAKE_CURRENT_BINARY_DIR}/wayland-${ARGS_BASENAME}-client-protocol.h")
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set(_code "${CMAKE_CURRENT_BINARY_DIR}/wayland-${ARGS_BASENAME}-protocol.c")
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set_source_files_properties(${_client_header} GENERATED)
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set_source_files_properties(${_code} GENERATED)
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set_property(SOURCE ${_client_header} PROPERTY SKIP_AUTOMOC ON)
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add_custom_command(OUTPUT "${_client_header}"
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COMMAND ${WaylandScanner_EXECUTABLE} client-header ${_infile} ${_client_header}
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DEPENDS ${WaylandScanner_EXECUTABLE} ${_infile}
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VERBATIM
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)
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add_custom_command(OUTPUT "${_code}"
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COMMAND ${WaylandScanner_EXECUTABLE} code ${_infile} ${_code}
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DEPENDS ${WaylandScanner_EXECUTABLE} ${_infile} ${_client_header}
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VERBATIM
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)
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list(APPEND ${out_var} "${_client_header}" "${_code}")
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set(${out_var} ${${out_var}} PARENT_SCOPE)
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endfunction()
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function(ecm_add_wayland_server_protocol out_var)
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# Parse arguments
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set(oneValueArgs PROTOCOL BASENAME)
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cmake_parse_arguments(ARGS "" "${oneValueArgs}" "" ${ARGN})
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if(ARGS_UNPARSED_ARGUMENTS)
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message(FATAL_ERROR "Unknown keywords given to ecm_add_wayland_server_protocol(): \"${ARGS_UNPARSED_ARGUMENTS}\"")
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endif()
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ecm_add_wayland_client_protocol(${out_var}
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PROTOCOL ${ARGS_PROTOCOL}
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BASENAME ${ARGS_BASENAME})
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get_filename_component(_infile ${ARGS_PROTOCOL} ABSOLUTE)
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set(_server_header "${CMAKE_CURRENT_BINARY_DIR}/wayland-${ARGS_BASENAME}-server-protocol.h")
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set_property(SOURCE ${_server_header} PROPERTY SKIP_AUTOMOC ON)
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set_source_files_properties(${_server_header} GENERATED)
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add_custom_command(OUTPUT "${_server_header}"
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COMMAND ${WaylandScanner_EXECUTABLE} server-header ${_infile} ${_server_header}
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DEPENDS ${WaylandScanner_EXECUTABLE} ${_infile}
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VERBATIM
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)
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list(APPEND ${out_var} "${_server_header}")
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set(${out_var} ${${out_var}} PARENT_SCOPE)
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endfunction()
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