diff options
Diffstat (limited to 'find-modules/FindWaylandScanner.cmake')
| -rw-r--r-- | find-modules/FindWaylandScanner.cmake | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/find-modules/FindWaylandScanner.cmake b/find-modules/FindWaylandScanner.cmake new file mode 100644 index 00000000..4cade50f --- /dev/null +++ b/find-modules/FindWaylandScanner.cmake @@ -0,0 +1,169 @@ +#.rst: +# FindWaylandScanner +# ------------------ +# +# Try to find wayland-scanner on a Unix system. +# +# 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>``. + +#============================================================================= +# Copyright 2012-2014 Pier Luigi Fiorini <pierluigi.fiorini@gmail.com> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# 3. The name of the author may not be used to endorse or promote products +# derived from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR +# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +#============================================================================= + +include(${CMAKE_CURRENT_LIST_DIR}/ECMFindModuleHelpersStub.cmake) + +ecm_find_package_version_check(WaylandScanner) + +if(NOT WIN32) + # Find wayland-scanner + find_program(WaylandScanner_EXECUTABLE NAMES wayland-scanner) + + include(FindPackageHandleStandardArgs) + find_package_handle_standard_args(WaylandScanner + FOUND_VAR + WaylandScanner_FOUND + REQUIRED_VARS + WaylandScanner_EXECUTABLE + ) + + mark_as_advanced(WaylandScanner_EXECUTABLE) + + if(NOT TARGET Wayland::Scanner AND WaylandScanner_FOUND) + add_executable(Wayland::Scanner IMPORTED) + set_target_properties(Wayland::Scanner PROPERTIES + IMPORTED_LOCATION "${WaylandScanner_EXECUTABLE}" + ) + endif() +else() + message(STATUS "Wayland is not available on Windows.") + set(WaylandScanner_FOUND FALSE) +endif() + +include(FeatureSummary) +set_package_properties(WaylandScanner PROPERTIES + URL "http://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(${_code} GENERATED) + + add_custom_command(OUTPUT "${_client_header}" + COMMAND ${WaylandScanner_EXECUTABLE} client-header < ${_infile} > ${_client_header} + DEPENDS ${_infile} VERBATIM) + + add_custom_command(OUTPUT "${_code}" + COMMAND ${WaylandScanner_EXECUTABLE} 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-${ARGS_BASENAME}-server-protocol.h") + + set_source_files_properties(${_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() |