-cmake_minimum_required(VERSION 2.6)
-if(${CMAKE_VERSION} STREQUAL "2.8.2")
- # bug http://vtk.org/Bug/view.php?id=11020
- message( WARNING "CMake/CPack version 2.8.2 will not create working .deb packages!")
-endif(${CMAKE_VERSION} STREQUAL "2.8.2")
+cmake_minimum_required(VERSION 3.5)
+
+# Set policies up to 3.9 since we want to enable the IPO option
+if(${CMAKE_VERSION} VERSION_LESS 3.9)
+ cmake_policy(VERSION ${CMAKE_MAJOR_VERSION}.${CMAKE_MINOR_VERSION})
+else()
+ cmake_policy(VERSION 3.9)
+endif()
# This can be read from ${PROJECT_NAME} after project() is called
project(minetest)
+set(PROJECT_NAME_CAPITALIZED "Minetest")
-# Also remember to set PROTOCOL_VERSION in clientserver.h when releasing
-set(VERSION_MAJOR 0)
-set(VERSION_MINOR 3)
-set(VERSION_PATCH dev-20111104)
-set(VERSION_STRING "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED TRUE)
+set(GCC_MINIMUM_VERSION "5.1")
+set(CLANG_MINIMUM_VERSION "3.5")
-MESSAGE(STATUS "*** Will build version ${VERSION_STRING} ***")
+# Also remember to set PROTOCOL_VERSION in network/networkprotocol.h when releasing
+set(VERSION_MAJOR 5)
+set(VERSION_MINOR 6)
+set(VERSION_PATCH 0)
+set(VERSION_EXTRA "" CACHE STRING "Stuff to append to version string")
-# Configuration options
+# Change to false for releases
+set(DEVELOPMENT_BUILD TRUE)
-if(WIN32)
- set(RUN_IN_PLACE 1 CACHE BOOL "Run directly in source directory structure")
-else()
- set(RUN_IN_PLACE 0 CACHE BOOL "Run directly in source directory structure")
+set(VERSION_STRING "${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}")
+if(VERSION_EXTRA)
+ set(VERSION_STRING "${VERSION_STRING}-${VERSION_EXTRA}")
+elseif(DEVELOPMENT_BUILD)
+ set(VERSION_STRING "${VERSION_STRING}-dev")
+endif()
+
+if (CMAKE_BUILD_TYPE STREQUAL Debug)
+ # Append "-debug" to version string
+ set(VERSION_STRING "${VERSION_STRING}-debug")
endif()
-set(BUILD_CLIENT 1 CACHE BOOL "Build client")
+message(STATUS "*** Will build version ${VERSION_STRING} ***")
+
+
+# Configuration options
+set(DEFAULT_RUN_IN_PLACE FALSE)
if(WIN32)
- set(BUILD_SERVER 0 CACHE BOOL "Build server")
-else()
- set(BUILD_SERVER 1 CACHE BOOL "Build server")
+ set(DEFAULT_RUN_IN_PLACE TRUE)
endif()
+set(RUN_IN_PLACE ${DEFAULT_RUN_IN_PLACE} CACHE BOOL
+ "Run directly in source directory structure")
+
-set(WARN_ALL 1 CACHE BOOL "Enable -Wall for Release build")
+set(BUILD_CLIENT TRUE CACHE BOOL "Build client")
+set(BUILD_SERVER FALSE CACHE BOOL "Build server")
+set(BUILD_UNITTESTS TRUE CACHE BOOL "Build unittests")
+set(BUILD_BENCHMARKS FALSE CACHE BOOL "Build benchmarks")
+
+set(WARN_ALL TRUE CACHE BOOL "Enable -Wall for Release build")
if(NOT CMAKE_BUILD_TYPE)
# Default to release
# Included stuff
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules/")
-include(${CMAKE_SOURCE_DIR}/cmake/Modules/misc.cmake)
-# This is done here so that relative search paths are more reasnable
-find_package(Irrlicht)
-#
+set(IRRLICHTMT_BUILD_DIR "" CACHE PATH "Path to IrrlichtMt build directory.")
+if(NOT "${IRRLICHTMT_BUILD_DIR}" STREQUAL "")
+ find_package(IrrlichtMt QUIET
+ PATHS "${IRRLICHTMT_BUILD_DIR}"
+ NO_DEFAULT_PATH
+ )
+
+ if(NOT TARGET IrrlichtMt::IrrlichtMt)
+ # find_package() searches certain subdirectories. ${PATH}/cmake is not
+ # the only one, but it is the one where IrrlichtMt is supposed to export
+ # IrrlichtMtConfig.cmake
+ message(FATAL_ERROR "Could not find IrrlichtMtConfig.cmake in ${IRRLICHTMT_BUILD_DIR}/cmake.")
+ endif()
+# This is done here so that relative search paths are more reasonable
+elseif(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/lib/irrlichtmt")
+ message(STATUS "Using user-provided IrrlichtMt at subdirectory 'lib/irrlichtmt'")
+ if(BUILD_CLIENT)
+ # tell IrrlichtMt to create a static library
+ set(BUILD_SHARED_LIBS OFF CACHE BOOL "Build shared library" FORCE)
+ add_subdirectory(lib/irrlichtmt EXCLUDE_FROM_ALL)
+ unset(BUILD_SHARED_LIBS CACHE)
+
+ if(NOT TARGET IrrlichtMt)
+ message(FATAL_ERROR "IrrlichtMt project is missing a CMake target?!")
+ endif()
+ else()
+ add_library(IrrlichtMt::IrrlichtMt INTERFACE IMPORTED)
+ set_target_properties(IrrlichtMt::IrrlichtMt PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}/lib/irrlichtmt/include")
+ endif()
+else()
+ find_package(IrrlichtMt QUIET)
+ if(NOT TARGET IrrlichtMt::IrrlichtMt)
+ string(CONCAT explanation_msg
+ "The Minetest team has forked Irrlicht to make their own customizations. "
+ "It can be found here: https://github.com/minetest/irrlicht\n"
+ "For example use: git clone --depth=1 https://github.com/minetest/irrlicht lib/irrlichtmt\n")
+ if(BUILD_CLIENT)
+ message(FATAL_ERROR "IrrlichtMt is required to build the client, but it was not found.\n${explanation_msg}")
+ endif()
+
+ include(MinetestFindIrrlichtHeaders)
+ if(NOT IRRLICHT_INCLUDE_DIR)
+ message(FATAL_ERROR "Irrlicht or IrrlichtMt headers are required to build the server, but none found.\n${explanation_msg}")
+ endif()
+ message(STATUS "Found Irrlicht headers: ${IRRLICHT_INCLUDE_DIR}")
+ add_library(IrrlichtMt::IrrlichtMt INTERFACE IMPORTED)
+ # Note that we can't use target_include_directories() since that doesn't work for IMPORTED targets before CMake 3.11
+ set_target_properties(IrrlichtMt::IrrlichtMt PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${IRRLICHT_INCLUDE_DIR}")
+ endif()
+endif()
+
+if(TARGET IrrlichtMt::IrrlichtMt)
+ message(STATUS "Found IrrlichtMt ${IrrlichtMt_VERSION}")
+endif()
+
+
# Installation
-#
if(WIN32)
- set(DATADIR "data")
+ set(SHAREDIR ".")
set(BINDIR "bin")
set(DOCDIR "doc")
set(EXAMPLE_CONF_DIR ".")
+ set(LOCALEDIR "locale")
elseif(APPLE)
- # random placeholders
- set(DATADIR "share/${PROJECT_NAME}")
- set(BINDIR "bin")
- set(DOCDIR "share/doc/${PROJECT_NAME}")
- set(EXAMPLE_CONF_DIR ".")
+ set(BUNDLE_NAME ${PROJECT_NAME}.app)
+ set(BUNDLE_PATH "${BUNDLE_NAME}")
+ set(BINDIR ${BUNDLE_NAME}/Contents/MacOS)
+ set(SHAREDIR ${BUNDLE_NAME}/Contents/Resources)
+ set(DOCDIR "${SHAREDIR}/${PROJECT_NAME}")
+ set(EXAMPLE_CONF_DIR ${DOCDIR})
+ set(LOCALEDIR "${SHAREDIR}/locale")
elseif(UNIX) # Linux, BSD etc
- set(DATADIR "share/${PROJECT_NAME}")
- set(BINDIR "bin")
- set(DOCDIR "share/doc/${PROJECT_NAME}")
- set(EXAMPLE_CONF_DIR "share/doc/${PROJECT_NAME}")
+ if(RUN_IN_PLACE)
+ set(SHAREDIR ".")
+ set(BINDIR "bin")
+ set(DOCDIR "doc")
+ set(EXAMPLE_CONF_DIR ".")
+ set(MANDIR "unix/man")
+ set(XDG_APPS_DIR "unix/applications")
+ set(APPDATADIR "unix/metainfo")
+ set(ICONDIR "unix/icons")
+ set(LOCALEDIR "locale")
+ else()
+ include(GNUInstallDirs)
+ set(SHAREDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/${PROJECT_NAME}")
+ set(BINDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}")
+ set(DOCDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DOCDIR}")
+ set(MANDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_MANDIR}")
+ set(EXAMPLE_CONF_DIR ${DOCDIR})
+ set(XDG_APPS_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/applications")
+ set(APPDATADIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/metainfo")
+ set(ICONDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/icons")
+ set(LOCALEDIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LOCALEDIR}")
+ endif()
+endif()
+
+set(CUSTOM_SHAREDIR "" CACHE STRING "Directory to install data files into")
+if(NOT CUSTOM_SHAREDIR STREQUAL "")
+ set(SHAREDIR "${CUSTOM_SHAREDIR}")
+ message(STATUS "Using SHAREDIR=${SHAREDIR}")
+endif()
+
+set(CUSTOM_BINDIR "" CACHE STRING "Directory to install binaries into")
+if(NOT CUSTOM_BINDIR STREQUAL "")
+ set(BINDIR "${CUSTOM_BINDIR}")
+ message(STATUS "Using BINDIR=${BINDIR}")
+endif()
+
+set(CUSTOM_DOCDIR "" CACHE STRING "Directory to install documentation into")
+if(NOT CUSTOM_DOCDIR STREQUAL "")
+ set(DOCDIR "${CUSTOM_DOCDIR}")
+ if(NOT RUN_IN_PLACE)
+ set(EXAMPLE_CONF_DIR ${DOCDIR})
+ endif()
+ message(STATUS "Using DOCDIR=${DOCDIR}")
+endif()
+
+set(CUSTOM_MANDIR "" CACHE STRING "Directory to install manpages into")
+if(NOT CUSTOM_MANDIR STREQUAL "")
+ set(MANDIR "${CUSTOM_MANDIR}")
+ message(STATUS "Using MANDIR=${MANDIR}")
+endif()
+
+set(CUSTOM_EXAMPLE_CONF_DIR "" CACHE STRING "Directory to install example config file into")
+if(NOT CUSTOM_EXAMPLE_CONF_DIR STREQUAL "")
+ set(EXAMPLE_CONF_DIR "${CUSTOM_EXAMPLE_CONF_DIR}")
+ message(STATUS "Using EXAMPLE_CONF_DIR=${EXAMPLE_CONF_DIR}")
+endif()
+
+set(CUSTOM_XDG_APPS_DIR "" CACHE STRING "Directory to install .desktop files into")
+if(NOT CUSTOM_XDG_APPS_DIR STREQUAL "")
+ set(XDG_APPS_DIR "${CUSTOM_XDG_APPS_DIR}")
+ message(STATUS "Using XDG_APPS_DIR=${XDG_APPS_DIR}")
+endif()
+
+set(CUSTOM_ICONDIR "" CACHE STRING "Directory to install icons into")
+if(NOT CUSTOM_ICONDIR STREQUAL "")
+ set(ICONDIR "${CUSTOM_ICONDIR}")
+ message(STATUS "Using ICONDIR=${ICONDIR}")
+endif()
+
+set(CUSTOM_LOCALEDIR "" CACHE STRING "Directory to install l10n files into")
+if(NOT CUSTOM_LOCALEDIR STREQUAL "")
+ set(LOCALEDIR "${CUSTOM_LOCALEDIR}")
+ message(STATUS "Using LOCALEDIR=${LOCALEDIR}")
+endif()
+
+
+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/builtin" DESTINATION "${SHAREDIR}")
+if(RUN_IN_PLACE)
+ install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/mods/mods_here.txt" DESTINATION "${SHAREDIR}/mods")
+ install(FILES "${CMAKE_CURRENT_SOURCE_DIR}/textures/texture_packs_here.txt" DESTINATION "${SHAREDIR}/textures")
endif()
-install(FILES "README.txt" DESTINATION "${DOCDIR}")
-install(FILES "doc/changelog.txt" DESTINATION "${DOCDIR}")
-install(FILES "minetest.conf.example" DESTINATION "${DOCDIR}")
+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/games/minetest_game" DESTINATION "${SHAREDIR}/games/"
+ COMPONENT "SUBGAME_MINETEST_GAME" OPTIONAL PATTERN ".git*" EXCLUDE )
+install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/games/devtest" DESTINATION "${SHAREDIR}/games/"
+ COMPONENT "SUBGAME_MINIMAL" OPTIONAL PATTERN ".git*" EXCLUDE )
+
+if(BUILD_CLIENT)
+ install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/client/shaders" DESTINATION "${SHAREDIR}/client")
+ install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/textures/base/pack" DESTINATION "${SHAREDIR}/textures/base")
+ if(RUN_IN_PLACE)
+ install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/clientmods" DESTINATION "${SHAREDIR}")
+ install(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/client/serverlist" DESTINATION "${SHAREDIR}/client")
+ endif()
+endif()
+
+install(FILES "README.md" DESTINATION "${DOCDIR}" COMPONENT "Docs")
+install(FILES "doc/lua_api.txt" DESTINATION "${DOCDIR}" COMPONENT "Docs")
+install(FILES "doc/client_lua_api.txt" DESTINATION "${DOCDIR}" COMPONENT "Docs")
+install(FILES "doc/menu_lua_api.txt" DESTINATION "${DOCDIR}" COMPONENT "Docs")
+install(FILES "doc/texture_packs.txt" DESTINATION "${DOCDIR}" COMPONENT "Docs")
+install(FILES "doc/world_format.txt" DESTINATION "${DOCDIR}" COMPONENT "Docs")
+install(FILES "minetest.conf.example" DESTINATION "${EXAMPLE_CONF_DIR}")
+
+if(UNIX AND NOT APPLE)
+ install(FILES "doc/minetest.6" "doc/minetestserver.6" DESTINATION "${MANDIR}/man6")
+ install(FILES "misc/net.minetest.minetest.desktop" DESTINATION "${XDG_APPS_DIR}")
+ install(FILES "misc/net.minetest.minetest.appdata.xml" DESTINATION "${APPDATADIR}")
+ install(FILES "misc/minetest.svg" DESTINATION "${ICONDIR}/hicolor/scalable/apps")
+ install(FILES "misc/minetest-xorg-icon-128.png"
+ DESTINATION "${ICONDIR}/hicolor/128x128/apps"
+ RENAME "minetest.png")
+endif()
+
+if(APPLE)
+ install(FILES "misc/minetest-icon.icns" DESTINATION "${SHAREDIR}")
+ install(FILES "misc/Info.plist" DESTINATION "${BUNDLE_PATH}/Contents")
+endif()
+
+# Library pack
+find_package(GMP REQUIRED)
+find_package(Json REQUIRED)
+find_package(Lua REQUIRED)
+if(NOT USE_LUAJIT)
+ set(LUA_BIT_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/bitop)
+ set(LUA_BIT_LIBRARY bitop)
+ add_subdirectory(lib/bitop)
+endif()
+
+if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
+ if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${GCC_MINIMUM_VERSION}")
+ message(FATAL_ERROR "Insufficient gcc version, found ${CMAKE_CXX_COMPILER_VERSION}. "
+ "Version ${GCC_MINIMUM_VERSION} or higher is required.")
+ endif()
+elseif(CMAKE_CXX_COMPILER_ID MATCHES "(Apple)?Clang")
+ if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS "${CLANG_MINIMUM_VERSION}")
+ message(FATAL_ERROR "Insufficient clang version, found ${CMAKE_CXX_COMPILER_VERSION}. "
+ "Version ${CLANG_MINIMUM_VERSION} or higher is required.")
+ endif()
+endif()
+
+if(BUILD_BENCHMARKS)
+ add_subdirectory(lib/catch2)
+endif()
-#
# Subdirectories
# Be sure to add all relevant definitions above this
-#
-
add_subdirectory(src)
+
# CPack
-set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "An InfiniMiner/Minecraft inspired game")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "A free open-source voxel game engine with easy modding and game creation.")
set(CPACK_PACKAGE_VERSION_MAJOR ${VERSION_MAJOR})
set(CPACK_PACKAGE_VERSION_MINOR ${VERSION_MINOR})
set(CPACK_PACKAGE_VERSION_PATCH ${VERSION_PATCH})
set(CPACK_PACKAGE_VENDOR "celeron55")
set(CPACK_PACKAGE_CONTACT "Perttu Ahola <celeron55@gmail.com>")
+include(CPackComponent)
+
+cpack_add_component(Docs
+ DISPLAY_NAME "Documentation"
+ DESCRIPTION "Documentation about Minetest and Minetest modding"
+)
+
+cpack_add_component(SUBGAME_MINETEST_GAME
+ DISPLAY_NAME "Minetest Game"
+ DESCRIPTION "The default game bundled in the Minetest engine. Mainly used as a modding base."
+ GROUP "Games"
+)
+
+cpack_add_component(SUBGAME_MINIMAL
+ DISPLAY_NAME "Development Test"
+ DESCRIPTION "A basic testing environment used for engine development and sometimes for testing mods."
+ DISABLED #DISABLED does not mean it is disabled, and is just not selected by default.
+ GROUP "Games"
+)
+
+cpack_add_component_group(Subgames
+ DESCRIPTION "Games for the Minetest engine."
+)
+
if(WIN32)
- # For some reason these aren't copied otherwise
- # NOTE: For some reason now it seems to work without these
- #if(BUILD_CLIENT)
- # install(FILES bin/minetest.exe DESTINATION bin)
- #endif()
- #if(BUILD_SERVER)
- # install(FILES bin/minetestserver.exe DESTINATION bin)
- #endif()
+ # Include all dynamically linked runtime libaries such as MSVCRxxx.dll
+ include(InstallRequiredSystemLibraries)
- set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-${VERSION_STRING}-win32")
+ if(RUN_IN_PLACE)
+ if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+ set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-${VERSION_STRING}-win64")
+ else()
+ set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-${VERSION_STRING}-win32")
+ endif()
- set(CPACK_GENERATOR ZIP)
+ set(CPACK_GENERATOR ZIP)
+
+ else()
+ set(CPACK_GENERATOR WIX)
+ set(CPACK_PACKAGE_NAME "${PROJECT_NAME_CAPITALIZED}")
+ set(CPACK_PACKAGE_INSTALL_DIRECTORY ".")
+ set(CPACK_PACKAGE_EXECUTABLES ${PROJECT_NAME} "${PROJECT_NAME_CAPITALIZED}")
+ set(CPACK_CREATE_DESKTOP_LINKS ${PROJECT_NAME})
+ set(CPACK_PACKAGING_INSTALL_PREFIX "/${PROJECT_NAME_CAPITALIZED}")
+
+ set(CPACK_WIX_PRODUCT_ICON "${CMAKE_CURRENT_SOURCE_DIR}/misc/minetest-icon.ico")
+ # Supported languages can be found at
+ # http://wixtoolset.org/documentation/manual/v3/wixui/wixui_localization.html
+ #set(CPACK_WIX_CULTURES "ar-SA,bg-BG,ca-ES,hr-HR,cs-CZ,da-DK,nl-NL,en-US,et-EE,fi-FI,fr-FR,de-DE")
+ set(CPACK_WIX_UI_BANNER "${CMAKE_CURRENT_SOURCE_DIR}/misc/CPACK_WIX_UI_BANNER.BMP")
+ set(CPACK_WIX_UI_DIALOG "${CMAKE_CURRENT_SOURCE_DIR}/misc/CPACK_WIX_UI_DIALOG.BMP")
- # This might be needed for some installer
- #set(CPACK_PACKAGE_EXECUTABLES bin/minetest.exe "Minetest" bin/minetestserver.exe "Minetest Server")
+ set(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/doc/lgpl-2.1.txt")
+
+ # The correct way would be to include both x32 and x64 into one installer
+ # and install the appropriate one.
+ # CMake does not support that, so there are two separate GUID's
+ if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+ set(CPACK_WIX_UPGRADE_GUID "745A0FB3-5552-44CA-A587-A91C397CCC56")
+ else()
+ set(CPACK_WIX_UPGRADE_GUID "814A2E2D-2779-4BBD-9ACD-FC3BD51FBBA2")
+ endif()
+ endif()
elseif(APPLE)
- # TODO
- # see http://cmake.org/Wiki/CMake:CPackPackageGenerators#Bundle_.28OSX_only.29
- #
+ set(CPACK_INCLUDE_TOPLEVEL_DIRECTORY 0)
set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-${VERSION_STRING}-osx")
- set(CPACK_PACKAGE_ICON "")
- set(CPACK_BUNDLE_NAME ${PROJECT_NAME})
- set(CPACK_BUNDLE_ICON "")
- set(CPACK_BUNDLE_PLIST "")
- set(CPACK_BUNDLE_STARTUP_COMMAND "Contents/MacOS/${PROJECT_NAME}")
- set(CPACK_GENERATOR "Bundle")
+ set(CPACK_GENERATOR ZIP)
else()
set(CPACK_PACKAGE_FILE_NAME "${PROJECT_NAME}-${VERSION_STRING}-linux")
set(CPACK_GENERATOR TGZ)
include(CPack)
+
+# Add a target to generate API documentation with Doxygen
+find_package(Doxygen)
+if(DOXYGEN_FOUND)
+ configure_file(${CMAKE_CURRENT_SOURCE_DIR}/doc/Doxyfile.in
+ ${CMAKE_CURRENT_BINARY_DIR}/doc/Doxyfile @ONLY)
+ add_custom_target(doc
+ ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/doc/Doxyfile
+ WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/doc
+ COMMENT "Generating API documentation with Doxygen" VERBATIM
+ )
+endif()