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CMakeLists.txt
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CMakeLists.txt
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# Copyright (c) 2014-2022 Philipp Kerling, Nils Christopher Brause, Craig Andrews, Tobias Kortkamp, Balint Reczey
# All rights reserved.
#
# 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 above copyright notice, this
# list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
cmake_minimum_required(VERSION 3.4)
project(waylandpp VERSION 1.0.0 LANGUAGES CXX)
# packages
include(FindPkgConfig)
include(GNUInstallDirs)
include(CMakeDependentOption)
include(CMakePackageConfigHelpers)
find_package(Doxygen)
# version information
configure_file(include/wayland-version.hpp.in wayland-version.hpp @ONLY)
# path shorthands
set(INSTALL_FULL_PKGCONFIGDIR "${CMAKE_INSTALL_FULL_LIBDIR}/pkgconfig")
set(INSTALL_FULL_PKGDATADIR "${CMAKE_INSTALL_FULL_DATADIR}/waylandpp")
# user options
option(BUILD_SCANNER "whether to build wayland-scanner++" ON)
option(BUILD_LIBRARIES "whether to build the libraries" ON)
cmake_dependent_option(BUILD_SHARED_LIBS "Build shared libraries" ON
"BUILD_LIBRARIES" OFF)
option(BUILD_DOCUMENTATION "Create and install the HTML based API documentation (requires Doxygen)" ${DOXYGEN_FOUND})
option(INSTALL_UNSTABLE_PROTOCOLS "whether to install the unstable protocols" ON)
cmake_dependent_option(BUILD_EXAMPLES
"whether to build the examples (requires BUILD_LIBRARIES to be ON)" OFF
"BUILD_LIBRARIES" OFF)
option(BUILD_SERVER "whether to build the server bindings." ON)
# Do not report undefined references in libraries, since the protocol libraries cannot be used on their own.
if(CMAKE_SHARED_LINKER_FLAGS)
string(REPLACE "-Wl,--no-undefined" " " CMAKE_SHARED_LINKER_FLAGS ${CMAKE_SHARED_LINKER_FLAGS})
endif()
# variables for .pc.in files
set(prefix "${CMAKE_INSTALL_PREFIX}")
set(bindir "${CMAKE_INSTALL_FULL_BINDIR}")
set(datarootdir "${CMAKE_INSTALL_FULL_DATAROOTDIR}")
set(pkgdatadir "${INSTALL_FULL_PKGDATADIR}")
set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
set(install_namespace "Waylandpp")
# C++ 11
set(CMAKE_CXX_STANDARD 11)
# sets ${PREFIX}_LIBRARIES to the libraries' full path
function(pkg_libs_full_path PREFIX)
if(${PREFIX}_FOUND)
unset(LIBS_TMP CACHE)
foreach(LIB ${${PREFIX}_LIBRARIES})
unset(LIB_TMP CACHE)
find_library(LIB_TMP ${LIB} PATHS ${${PREFIX}_LIBRARY_DIRS})
list(APPEND LIBS_TMP ${LIB_TMP})
endforeach()
set(${PREFIX}_LIBRARIES ${LIBS_TMP} PARENT_SCOPE)
endif()
endfunction()
# AdressSanitizer support
set(CMAKE_C_FLAGS_ASAN "-fsanitize=address -fno-optimize-sibling-calls -fsanitize-address-use-after-scope -fno-omit-frame-pointer -g -O0")
set(CMAKE_CXX_FLAGS_ASAN "-fsanitize=address -fno-optimize-sibling-calls -fsanitize-address-use-after-scope -fno-omit-frame-pointer -g -O0")
# build scanner
if(BUILD_SCANNER)
pkg_check_modules(PUGIXML REQUIRED "pugixml>=1.4")
pkg_libs_full_path(PUGIXML)
add_executable(wayland-scanner++ scanner/scanner.cpp)
target_link_libraries(wayland-scanner++ ${PUGIXML_LIBRARIES})
target_compile_options(wayland-scanner++ PUBLIC ${PUGIXML_CFLAGS})
configure_file(wayland-scanner++.pc.in wayland-scanner++.pc @ONLY)
install(TARGETS wayland-scanner++ RUNTIME DESTINATION "${CMAKE_INSTALL_FULL_BINDIR}")
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/wayland-scanner++.pc" DESTINATION "${INSTALL_FULL_PKGCONFIGDIR}")
endif()
# build libraries
if(BUILD_LIBRARIES)
# if we are crosscompiling, the scanner has to build and installed already
if(CMAKE_CROSSCOMPILING OR (NOT BUILD_SCANNER))
set(WAYLAND_SCANNERPP "WAYLAND_SCANNERPP-NOTFOUND" CACHE FILEPATH "Path to wayland-scanner++")
if(NOT WAYLAND_SCANNERPP)
message(SEND_ERROR "If you cross-compile or do not build the scanner, you have to specify the path to a native wayland-scanner++ executable in the WAYLAND_SCANNERPP variable.")
endif()
else()
set(WAYLAND_SCANNERPP wayland-scanner++)
endif()
# required libraries
pkg_check_modules(WAYLAND_CLIENT REQUIRED "wayland-client>=1.11.0")
if(BUILD_SERVER)
pkg_check_modules(WAYLAND_SERVER REQUIRED "wayland-server>=1.17.0")
endif()
pkg_check_modules(WAYLAND_EGL REQUIRED wayland-egl)
pkg_libs_full_path(WAYLAND_EGL)
pkg_check_modules(WAYLAND_CURSOR REQUIRED wayland-cursor)
pkg_libs_full_path(WAYLAND_CURSOR)
# generate protocol source/headers from protocol XMLs
set(PROTO_XMLS "${CMAKE_SOURCE_DIR}/protocols/wayland.xml")
file(GLOB PROTO_XMLS_EXTRA "${CMAKE_SOURCE_DIR}/protocols/extra/*.xml")
file(GLOB PROTO_XMLS_UNSTABLE "${CMAKE_SOURCE_DIR}/protocols/unstable/*.xml")
set(PROTO_FILES
"wayland-client-protocol.hpp"
"wayland-client-protocol.cpp")
set(PROTO_FILES_EXTRA
"wayland-client-protocol-extra.hpp"
"wayland-client-protocol-extra.cpp")
set(PROTO_FILES_UNSTABLE
"wayland-client-protocol-unstable.hpp"
"wayland-client-protocol-unstable.cpp")
add_custom_command(
OUTPUT ${PROTO_FILES}
COMMAND "${WAYLAND_SCANNERPP}" ${PROTO_XMLS} ${PROTO_FILES}
DEPENDS "${WAYLAND_SCANNERPP}" ${PROTO_XMLS})
add_custom_command(
OUTPUT ${PROTO_FILES_EXTRA}
COMMAND "${WAYLAND_SCANNERPP}" ${PROTO_XMLS_EXTRA} ${PROTO_FILES_EXTRA}
DEPENDS "${WAYLAND_SCANNERPP}" ${PROTO_XMLS_EXTRA})
add_custom_command(
OUTPUT ${PROTO_FILES_UNSTABLE}
COMMAND "${WAYLAND_SCANNERPP}" ${PROTO_XMLS_UNSTABLE} ${PROTO_FILES_UNSTABLE} "-x" "wayland-client-protocol-extra.hpp"
DEPENDS "${WAYLAND_SCANNERPP}" ${PROTO_XMLS_UNSTABLE} ${PROTO_FILES_EXTRA})
if(BUILD_SERVER)
set(PROTO_FILES
"wayland-server-protocol.hpp"
"wayland-server-protocol.cpp")
set(PROTO_FILES_EXTRA
"wayland-server-protocol-extra.hpp"
"wayland-server-protocol-extra.cpp")
set(PROTO_FILES_UNSTABLE
"wayland-server-protocol-unstable.hpp"
"wayland-server-protocol-unstable.cpp")
add_custom_command(
OUTPUT ${PROTO_FILES}
COMMAND "${WAYLAND_SCANNERPP}" "-s" "on" ${PROTO_XMLS} ${PROTO_FILES}
DEPENDS "${WAYLAND_SCANNERPP}" ${PROTO_XMLS})
add_custom_command(
OUTPUT ${PROTO_FILES_EXTRA}
COMMAND "${WAYLAND_SCANNERPP}" "-s" "on" ${PROTO_XMLS_EXTRA} ${PROTO_FILES_EXTRA} "-x" "wayland-server-protocol.hpp"
DEPENDS "${WAYLAND_SCANNERPP}" ${PROTO_XMLS_EXTRA})
add_custom_command(
OUTPUT ${PROTO_FILES_UNSTABLE}
COMMAND "${WAYLAND_SCANNERPP}" "-s" "on" ${PROTO_XMLS_UNSTABLE} ${PROTO_FILES_UNSTABLE} "-x" "wayland-server-protocol-extra.hpp"
DEPENDS "${WAYLAND_SCANNERPP}" ${PROTO_XMLS_UNSTABLE} ${PROTO_FILES_EXTRA})
endif()
# library building helper functions
function(define_library TARGET CFLAGS LIBRARIES HEADERS)
add_library("${TARGET}" ${ARGN})
add_library(${install_namespace}::${TARGET} ALIAS ${TARGET})
get_target_property(libtype "${TARGET}" TYPE)
target_include_directories("${TARGET}" PUBLIC
$<BUILD_INTERFACE:include;${CMAKE_CURRENT_BINARY_DIR}> # latter for wayland-version.hpp
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
)
target_compile_options("${TARGET}" PUBLIC ${CFLAGS})
target_link_libraries("${TARGET}" PUBLIC ${LIBRARIES})
set_target_properties("${TARGET}" PROPERTIES
PUBLIC_HEADER "${HEADERS}"
VERSION "${PROJECT_VERSION}"
SOVERSION ${PROJECT_VERSION_MAJOR})
configure_file("${TARGET}.pc.in" "${TARGET}.pc" @ONLY)
set_target_properties("${TARGET}" PROPERTIES RESOURCE "${CMAKE_CURRENT_BINARY_DIR}/${TARGET}.pc")
endfunction()
define_library(wayland-client++ "${WAYLAND_CLIENT_CFLAGS}" "${WAYLAND_CLIENT_LIBRARIES}"
"include/wayland-client.hpp;include/wayland-util.hpp;${CMAKE_CURRENT_BINARY_DIR}/wayland-client-protocol.hpp;${CMAKE_CURRENT_BINARY_DIR}/wayland-version.hpp"
src/wayland-client.cpp src/wayland-util.cpp wayland-client-protocol.cpp wayland-client-protocol.hpp)
# Report undefined references only for the base library.
if(${CMAKE_VERSION} VERSION_GREATER "3.14.0")
target_link_options(wayland-client++ PRIVATE "-Wl,--no-undefined")
endif()
if(BUILD_SERVER)
define_library(wayland-server++ "${WAYLAND_SERVER_CFLAGS}" "${WAYLAND_SERVER_LIBRARIES}"
"include/wayland-server.hpp;include/wayland-util.hpp;${CMAKE_CURRENT_BINARY_DIR}/wayland-server-protocol.hpp"
src/wayland-server.cpp src/wayland-util.cpp wayland-server-protocol.cpp wayland-server-protocol.hpp)
# Report undefined references only for the base library.
if(${CMAKE_VERSION} VERSION_GREATER "3.14.0")
target_link_options(wayland-server++ PRIVATE "-Wl,--no-undefined")
endif()
define_library(wayland-server-extra++ "${WAYLAND_SERVER_CFLAGS}" "${WAYLAND_SERVER_LIBRARIES}"
"${CMAKE_CURRENT_BINARY_DIR}/wayland-server-protocol-extra.hpp"
wayland-server-protocol-extra.cpp wayland-server-protocol-extra.hpp wayland-server-protocol.hpp)
target_link_libraries(wayland-server-extra++ INTERFACE wayland-server++)
define_library(wayland-server-unstable++ "${WAYLAND_SERVER_CFLAGS}" "${WAYLAND_SERVER_LIBRARIES}"
"${CMAKE_CURRENT_BINARY_DIR}/wayland-server-protocol-unstable.hpp"
wayland-server-protocol-unstable.cpp wayland-server-protocol-unstable.hpp wayland-server-protocol.hpp)
target_link_libraries(wayland-server-unstable++ INTERFACE wayland-server-extra++)
endif()
define_library(wayland-client-extra++ "${WAYLAND_CLIENT_CFLAGS}" "${WAYLAND_CLIENT_LIBRARIES}"
"${CMAKE_CURRENT_BINARY_DIR}/wayland-client-protocol-extra.hpp"
wayland-client-protocol-extra.cpp wayland-client-protocol-extra.hpp wayland-client-protocol.hpp)
target_link_libraries(wayland-client-extra++ INTERFACE wayland-client++)
define_library(wayland-client-unstable++ "${WAYLAND_CLIENT_CFLAGS}" "${WAYLAND_CLIENT_LIBRARIES}"
"${CMAKE_CURRENT_BINARY_DIR}/wayland-client-protocol-unstable.hpp"
wayland-client-protocol-unstable.cpp wayland-client-protocol-unstable.hpp wayland-client-protocol.hpp)
target_link_libraries(wayland-client-unstable++ INTERFACE wayland-client-extra++)
define_library(wayland-egl++ "${WAYLAND_EGL_CFLAGS}" "${WAYLAND_EGL_LIBRARIES}" include/wayland-egl.hpp src/wayland-egl.cpp wayland-client-protocol.hpp)
target_link_libraries(wayland-egl++ INTERFACE wayland-client++)
define_library(wayland-cursor++ "${WAYLAND_CURSOR_CFLAGS}" "${WAYLAND_CURSOR_LIBRARIES}" include/wayland-cursor.hpp src/wayland-cursor.cpp wayland-client-protocol.hpp)
target_link_libraries(wayland-cursor++ INTERFACE wayland-client++)
# Install libraries
install(FILES ${PROTO_XMLS} ${PROTO_XMLS_EXTRA} ${PROTO_XMLS_UNSTABLE} DESTINATION "${INSTALL_FULL_PKGDATADIR}/protocols")
list(APPEND INSTALL_TARGETS wayland-client++ wayland-client-extra++ wayland-egl++ wayland-cursor++)
if (INSTALL_UNSTABLE_PROTOCOLS)
list(APPEND INSTALL_TARGETS wayland-client-unstable++)
if(BUILD_SERVER)
list(APPEND INSTALL_TARGETS wayland-server-unstable++)
endif()
endif()
if(BUILD_SERVER)
list(APPEND INSTALL_TARGETS wayland-server++ wayland-server-extra++)
endif()
install(TARGETS ${INSTALL_TARGETS} EXPORT ${CMAKE_PROJECT_NAME}-targets
LIBRARY DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}"
ARCHIVE DESTINATION "${CMAKE_INSTALL_FULL_LIBDIR}"
PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_FULL_INCLUDEDIR}"
RESOURCE DESTINATION "${INSTALL_FULL_PKGCONFIGDIR}")
# create and install CMake-Config files
set(_CMAKECONFIGDIR "${CMAKE_INSTALL_LIBDIR}/cmake/${CMAKE_PROJECT_NAME}")
install(EXPORT ${CMAKE_PROJECT_NAME}-targets
DESTINATION "${_CMAKECONFIGDIR}"
NAMESPACE ${install_namespace}::)
write_basic_package_version_file(${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}-config-version.cmake
COMPATIBILITY AnyNewerVersion)
configure_package_config_file(waylandpp-config.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}-config.cmake
INSTALL_DESTINATION "${_CMAKECONFIGDIR}")
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}-config-version.cmake
${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}-config.cmake
DESTINATION "${_CMAKECONFIGDIR}")
endif()
if(BUILD_EXAMPLES)
if(NOT BUILD_LIBRARIES)
message(FATAL_ERROR "Cannot build examples without building libraries")
endif()
add_subdirectory(example)
endif()
if(BUILD_DOCUMENTATION)
if(NOT DOXYGEN_FOUND)
message(FATAL_ERROR "Doxygen is needed to build the documentation.")
endif()
set(WAYLANDPP_DOXYGEN_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/doc")
set(WAYLANDPP_BUILD_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")
configure_file(Doxyfile.in Doxyfile @ONLY)
add_custom_command(
OUTPUT "${WAYLANDPP_DOXYGEN_OUTPUT_DIRECTORY}/html/index.html"
DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/Doxyfile" ${PROTO_FILES} ${PROTO_FILES_EXTRA} ${PROTO_FILES_UNSTABLE}
COMMAND ${DOXYGEN_EXECUTABLE} "${CMAKE_CURRENT_BINARY_DIR}/Doxyfile"
COMMENT "Generating API documentation with Doxygen"
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
VERBATIM
)
add_custom_target(doc ALL DEPENDS "${WAYLANDPP_DOXYGEN_OUTPUT_DIRECTORY}/html/index.html")
install(DIRECTORY "${WAYLANDPP_DOXYGEN_OUTPUT_DIRECTORY}/man/" DESTINATION ${CMAKE_INSTALL_FULL_MANDIR})
install(DIRECTORY "${WAYLANDPP_DOXYGEN_OUTPUT_DIRECTORY}/html" "${WAYLANDPP_DOXYGEN_OUTPUT_DIRECTORY}/latex" DESTINATION ${CMAKE_INSTALL_FULL_DOCDIR})
endif()