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# SPDX-FileCopyrightText: 2012-2014 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com>
#
# SPDX-License-Identifier: BSD-3-Clause
#[=======================================================================[.rst:
FindWaylandScanner
------------------
Try to find wayland-scanner.
If the wayland-scanner executable is not in your PATH, you can provide
an alternative name or full path location with the ``WaylandScanner_EXECUTABLE``
variable.
This will define the following variables:
``WaylandScanner_FOUND``
True if wayland-scanner is available.
``WaylandScanner_EXECUTABLE``
The wayland-scanner executable.
If ``WaylandScanner_FOUND`` is TRUE, it will also define the following imported
target:
``Wayland::Scanner``
The wayland-scanner executable.
This module provides the following functions to generate C protocol
implementations:
- ``ecm_add_wayland_client_protocol``
- ``ecm_add_wayland_server_protocol``
::
ecm_add_wayland_client_protocol(<source_files_var>
PROTOCOL <xmlfile>
BASENAME <basename>)
Generate Wayland client protocol files from ``<xmlfile>`` XML
definition for the ``<basename>`` interface and append those files
to ``<source_files_var>``.
::
ecm_add_wayland_server_protocol(<source_files_var>
PROTOCOL <xmlfile>
BASENAME <basename>)
Generate Wayland server protocol files from ``<xmlfile>`` XML
definition for the ``<basename>`` interface and append those files
to ``<source_files_var>``.
Since 1.4.0.
#]=======================================================================]
include(${CMAKE_CURRENT_LIST_DIR}/ECMFindModuleHelpersStub.cmake)
ecm_find_package_version_check(WaylandScanner)
# Find wayland-scanner
find_program(WaylandScanner_EXECUTABLE NAMES wayland-scanner)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(WaylandScanner
FOUND_VAR
WaylandScanner_FOUND
REQUIRED_VARS
WaylandScanner_EXECUTABLE
)
mark_as_advanced(WaylandScanner_EXECUTABLE)
if(NOT TARGET Wayland::Scanner AND WaylandScanner_FOUND)
add_executable(Wayland::Scanner IMPORTED)
set_target_properties(Wayland::Scanner PROPERTIES
IMPORTED_LOCATION "${WaylandScanner_EXECUTABLE}"
)
endif()
include(FeatureSummary)
set_package_properties(WaylandScanner PROPERTIES
URL "https://wayland.freedesktop.org/"
DESCRIPTION "Executable that converts XML protocol files to C code"
)
include(CMakeParseArguments)
function(ecm_add_wayland_client_protocol out_var)
# Parse arguments
set(oneValueArgs PROTOCOL BASENAME)
cmake_parse_arguments(ARGS "" "${oneValueArgs}" "" ${ARGN})
if(ARGS_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Unknown keywords given to ecm_add_wayland_client_protocol(): \"${ARGS_UNPARSED_ARGUMENTS}\"")
endif()
get_filename_component(_infile ${ARGS_PROTOCOL} ABSOLUTE)
set(_client_header "${CMAKE_CURRENT_BINARY_DIR}/wayland-${ARGS_BASENAME}-client-protocol.h")
set(_code "${CMAKE_CURRENT_BINARY_DIR}/wayland-${ARGS_BASENAME}-protocol.c")
set_source_files_properties(${_client_header} GENERATED)
set_source_files_properties(${_code} GENERATED)
set_property(SOURCE ${_client_header} ${_code} PROPERTY SKIP_AUTOMOC ON)
add_custom_command(OUTPUT "${_client_header}"
COMMAND ${WaylandScanner_EXECUTABLE} client-header ${_infile} ${_client_header}
DEPENDS ${_infile} VERBATIM)
add_custom_command(OUTPUT "${_code}"
COMMAND ${WaylandScanner_EXECUTABLE} public-code ${_infile} ${_code}
DEPENDS ${_infile} ${_client_header} VERBATIM)
list(APPEND ${out_var} "${_client_header}" "${_code}")
set(${out_var} ${${out_var}} PARENT_SCOPE)
endfunction()
function(ecm_add_wayland_server_protocol out_var)
# Parse arguments
set(oneValueArgs PROTOCOL BASENAME)
cmake_parse_arguments(ARGS "" "${oneValueArgs}" "" ${ARGN})
if(ARGS_UNPARSED_ARGUMENTS)
message(FATAL_ERROR "Unknown keywords given to ecm_add_wayland_server_protocol(): \"${ARGS_UNPARSED_ARGUMENTS}\"")
endif()
ecm_add_wayland_client_protocol(${out_var}
PROTOCOL ${ARGS_PROTOCOL}
BASENAME ${ARGS_BASENAME})
get_filename_component(_infile ${ARGS_PROTOCOL} ABSOLUTE)
set(_server_header "${CMAKE_CURRENT_BINARY_DIR}/wayland-${ARGS_BASENAME}-server-protocol.h")
set(_server_code "${CMAKE_CURRENT_BINARY_DIR}/wayland-${ARGS_BASENAME}-protocol.c")
set_property(SOURCE ${_server_header} ${_server_code} PROPERTY SKIP_AUTOMOC ON)
set_source_files_properties(${_server_header} GENERATED)
add_custom_command(OUTPUT "${_server_header}"
COMMAND ${WaylandScanner_EXECUTABLE} server-header ${_infile} ${_server_header}
DEPENDS ${_infile} VERBATIM)
list(APPEND ${out_var} "${_server_header}")
set(${out_var} ${${out_var}} PARENT_SCOPE)
endfunction()
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