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CMakeLists.txt
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cmake_minimum_required(VERSION 2.8.12...3.19.1)
if(CMAKE_VERSION VERSION_LESS 3.12)
cmake_policy(VERSION ${CMAKE_VERSION})
endif()
set(CMAKE_OSX_DEPLOYMENT_TARGET 10.13 CACHE INTERNAL "Minimum macOS deployment version")
if(CMAKE_OSX_DEPLOYMENT_TARGET VERSION_LESS 10.13)
message(WARNING "Building for macOS < 10.13 is not supported")
endif()
file(STRINGS src/game/version.h VERSION_LINE
LIMIT_COUNT 1
REGEX "^#define GAME_RELEASE_VERSION "
)
if(VERSION_LINE MATCHES "\"([0-9]+)\\.([0-9]+)\\.([0-9]+)\"")
set(VERSION_MAJOR ${CMAKE_MATCH_1})
set(VERSION_MINOR ${CMAKE_MATCH_2})
set(VERSION_PATCH ${CMAKE_MATCH_3})
elseif(VERSION_LINE MATCHES "\"([0-9]+)\\.([0-9]+)\"")
set(VERSION_MAJOR ${CMAKE_MATCH_1})
set(VERSION_MINOR ${CMAKE_MATCH_2})
set(VERSION_PATCH "0")
else()
message(FATAL_ERROR "Couldn't parse version from src/game/version.h")
endif()
# Extra support for CMake pre-3.0
if(NOT POLICY CMP0048)
set(PROJECT_VERSION_MAJOR ${VERSION_MAJOR})
set(PROJECT_VERSION_MINOR ${VERSION_MINOR})
set(PROJECT_VERSION_PATCH ${VERSION_PATCH})
if(VERSION_PATCH STREQUAL "0")
set(PROJECT_VERSION ${VERSION_MAJOR}.${VERSION_MINOR})
else()
set(PROJECT_VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH})
endif()
endif()
if(VERSION_PATCH STREQUAL "0")
project(MMOTeeReloaded VERSION ${VERSION_MAJOR}.${VERSION_MINOR})
else()
project(MMOTeeReloaded VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH})
endif()
set(ORIGINAL_CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH})
set(ORIGINAL_CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES})
set(ORIGINAL_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
set(OWN_CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/cmake)
set(CMAKE_MODULE_PATH ${OWN_CMAKE_MODULE_PATH})
if(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(TARGET_BITS "32")
else()
set(TARGET_BITS "64")
endif()
if("${CMAKE_SYSTEM_PROCESSOR}" MATCHES "arm" OR "${CMAKE_SYSTEM_PROCESSOR}" MATCHES "aarch64")
if(TARGET_BITS STREQUAL "32")
set(TARGET_CPU_ARCHITECTURE "arm")
else()
set(TARGET_CPU_ARCHITECTURE "arm64")
endif()
else()
if(TARGET_BITS STREQUAL "32")
set(TARGET_CPU_ARCHITECTURE "x86")
else()
set(TARGET_CPU_ARCHITECTURE "x86_64")
endif()
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
set(TARGET_OS "windows")
elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
set(TARGET_OS "linux")
elseif(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
set(TARGET_OS "mac")
elseif(CMAKE_SYSTEM_NAME STREQUAL "Haiku")
set(TARGET_OS "haiku")
elseif(CMAKE_SYSTEM_NAME STREQUAL "Android")
set(TARGET_OS "android")
endif()
include(CheckCCompilerFlag)
include(CheckCXXCompilerFlag)
if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.18)
include(CheckLinkerFlag)
endif()
include(CheckSymbolExists)
if(NOT (CMAKE_SYSTEM_NAME STREQUAL "Emscripten"))
include(CheckAtomic)
endif()
check_symbol_exists(__i386 "" TARGET_ARCH_X86_i386)
if(TARGET_ARCH_X86_i386)
set(TARGET_ARCH x86)
else()
set(TARGET_ARCH)
endif()
set(AUTO_DEPENDENCIES_DEFAULT OFF)
option(WEBSOCKETS "Enable websockets support" OFF)
option(MYSQL "Enable mysql support" OFF)
option(AUTOUPDATE "Enable the autoupdater" OFF)
option(INFORM_UPDATE "Inform about available updates" ON)
option(VIDEORECORDER "Enable video recording support via FFmpeg" ON)
option(UPNP "Enable UPnP support" OFF)
option(SERVER "Compile server" ON)
option(STEAM "Build the Steam release version" OFF)
option(PREFER_BUNDLED_LIBS "Prefer bundled libraries over system libraries" ${AUTO_DEPENDENCIES_DEFAULT})
option(DEV "Don't generate stuff necessary for packaging" OFF)
option(EXCEPTION_HANDLING "Enable exception handling (only works with Windows as of now)" OFF)
option(IPO "Enable interprocedural optimizations" OFF)
option(FUSE_LD "Linker to use" OFF)
option(SECURITY_COMPILER_FLAGS "Whether to set security-relevant compiler flags like -D_FORTIFY_SOURCE=2 and -fstack-protector-all" ON)
if(CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
include(${PROJECT_SOURCE_DIR}/cmake/toolchains/Emscripten.toolchain)
endif()
# Set version if not explicitly set
if(NOT VERSION)
set(VERSION ${PROJECT_VERSION})
endif()
set(OpenGL_GL_PREFERENCE LEGACY)
# Set the default build type to Release
if(NOT(CMAKE_BUILD_TYPE))
if(NOT(DEV))
set(CMAKE_BUILD_TYPE Release)
else()
set(CMAKE_BUILD_TYPE Debug)
endif()
endif()
if(NOT(CMAKE_BUILD_TYPE MATCHES "^(Release|Debug|RelWithDebInfo|MinSizeRel)$"))
message(WARNING "Unknown CMAKE_BUILD_TYPE, should be one of Release, Debug, RelWithDebInfo or MinSizeRel")
endif()
set(DBG $<OR:$<CONFIG:Debug>,$<CONFIG:RelWithDebInfo>>)
if(IPO)
if(CMAKE_VERSION VERSION_GREATER 3.9)
include(CheckIPOSupported)
check_ipo_supported(RESULT ipo_supported OUTPUT ipo_output)
if(ipo_supported)
message(STATUS "IPO is enabled")
set(ENABLE_IPO TRUE)
else()
message(WARNING "IPO is not supported: ${ipo_output}")
endif()
else()
message(WARNING "IPO enablement requires CMake 3.9+")
endif()
endif()
if(CMAKE_VERSION VERSION_LESS 3.0)
configure_file(src/game/version.h vd.h)
else()
set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS
src/game/version.h
)
endif()
set(SERVER_EXECUTABLE mmotee_srv CACHE STRING "Name of the built server executable")
########################################################################
# Compiler flags
########################################################################
function(add_c_compiler_flag_if_supported VARIABLE FLAG)
if(ARGC GREATER 2)
set(CHECKED_FLAG "${ARGV2}")
else()
set(CHECKED_FLAG "${FLAG}")
endif()
string(REGEX REPLACE "[^A-Za-z0-9]" "_" CONFIG_VARIABLE "FLAG_SUPPORTED${CHECKED_FLAG}")
check_c_compiler_flag("${CHECKED_FLAG}" ${CONFIG_VARIABLE})
if(${CONFIG_VARIABLE})
if(${VARIABLE})
set("${VARIABLE}" "${${VARIABLE}};${FLAG}" PARENT_SCOPE)
else()
set("${VARIABLE}" "${FLAG}" PARENT_SCOPE)
endif()
endif()
endfunction()
function(add_cxx_compiler_flag_if_supported VARIABLE FLAG)
if(ARGC GREATER 2)
set(CHECKED_FLAG "${ARGV2}")
else()
set(CHECKED_FLAG "${FLAG}")
endif()
string(REGEX REPLACE "[^A-Za-z0-9]" "_" CONFIG_VARIABLE "FLAG_SUPPORTED${CHECKED_FLAG}")
check_cxx_compiler_flag("${CHECKED_FLAG}" ${CONFIG_VARIABLE})
if(${CONFIG_VARIABLE})
if(${VARIABLE})
set("${VARIABLE}" "${${VARIABLE}};${FLAG}" PARENT_SCOPE)
else()
set("${VARIABLE}" "${FLAG}" PARENT_SCOPE)
endif()
endif()
endfunction()
function(add_linker_flag_if_supported VARIABLE FLAG)
if(ARGC GREATER 2)
set(CHECKED_FLAG "${ARGV2}")
else()
set(CHECKED_FLAG "${FLAG}")
endif()
string(REGEX REPLACE "[^A-Za-z0-9]" "_" CONFIG_VARIABLE "FLAG_SUPPORTED${CHECKED_FLAG}")
if(CMAKE_VERSION VERSION_LESS 3.18)
set(${CONFIG_VARIABLE} OFF)
else()
check_linker_flag(C "${CHECKED_FLAG}" ${CONFIG_VARIABLE})
endif()
if(${CONFIG_VARIABLE})
if(${VARIABLE})
set("${VARIABLE}" "${${VARIABLE}};${FLAG}" PARENT_SCOPE)
else()
set("${VARIABLE}" "${FLAG}" PARENT_SCOPE)
endif()
endif()
endfunction()
# Force compiler colors on when using ninja. Ninja filters the colors out when
# it's not printing to a terminal on its own.
if(CMAKE_GENERATOR STREQUAL "Ninja")
add_cxx_compiler_flag_if_supported(OUR_FLAGS -fdiagnostics-color=always)
add_cxx_compiler_flag_if_supported(OUR_FLAGS -fcolor-diagnostics)
endif()
if(NOT MSVC AND NOT HAIKU)
if(NOT TARGET_OS STREQUAL "mac")
if(NOT FUSE_LD STREQUAL OFF)
add_linker_flag_if_supported(OUR_FLAGS_LINK -fuse-ld=${FUSE_LD})
if(FLAG_SUPPORTED_fuse_ld_${FUSE_LD})
message(STATUS "Using ${FUSE_LD} linker")
endif()
else()
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR NOT ENABLE_IPO)
# GCC+LTO: pthread_create has failed: Resource temporarily unavailable
add_linker_flag_if_supported(OUR_FLAGS_LINK -fuse-ld=mold)
if(FLAG_SUPPORTED_fuse_ld_mold)
message(STATUS "Using mold linker")
else()
# Does not support GCC+LTO
add_linker_flag_if_supported(OUR_FLAGS_LINK -fuse-ld=lld)
if(FLAG_SUPPORTED_fuse_ld_lld)
message(STATUS "Using lld linker")
else()
add_linker_flag_if_supported(OUR_FLAGS_LINK -fuse-ld=gold)
if(FLAG_SUPPORTED_fuse_ld_gold)
message(STATUS "Using gold linker")
endif()
endif()
endif()
else()
add_linker_flag_if_supported(OUR_FLAGS_LINK -fuse-ld=gold)
if(FLAG_SUPPORTED_fuse_ld_gold)
message(STATUS "Using gold linker")
endif()
endif()
endif()
endif()
if(CMAKE_VERSION VERSION_LESS 3.1 OR TARGET_OS STREQUAL "mac")
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -std=gnu++17)
endif()
if(NOT SECURITY_COMPILER_FLAGS STREQUAL OFF)
# Protect the stack pointer.
# -fstack-protector-all doesn't work on MinGW.
add_cxx_compiler_flag_if_supported(OUR_FLAGS -fstack-protector-all)
endif()
# Inaccurate floating point numbers cause problems on mingw-w64-gcc when
# compiling for x86, might cause problems elsewhere. So don't store floats
# in registers but keep them at higher accuracy.
if(TARGET_ARCH STREQUAL "x86")
add_cxx_compiler_flag_if_supported(OUR_FLAGS -ffloat-store)
endif()
# Don't insert timestamps into PEs to keep the build reproducible.
if(TARGET_OS STREQUAL "windows")
add_cxx_compiler_flag_if_supported(OUR_FLAGS_LINK -Wl,--no-insert-timestamp)
endif()
if(TARGET_OS STREQUAL "mac")
add_cxx_compiler_flag_if_supported(OUR_FLAGS -stdlib=libc++)
endif()
if(EXCEPTION_HANDLING)
add_cxx_compiler_flag_if_supported(OUR_FLAGS -DCONF_EXCEPTION_HANDLING)
# use the frame pointer (frame pointer usage is disabled by default in
# some architectures like x86_64 and for some optimization levels; and it
# may be impossible to walk the call stack without it)
add_cxx_compiler_flag_if_supported(OUR_FLAGS -fno-omit-frame-pointer)
endif()
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wall)
if(CMAKE_VERSION VERSION_GREATER 3.3 OR CMAKE_VERSION VERSION_EQUAL 3.3)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN
$<$<COMPILE_LANGUAGE:C>:-Wdeclaration-after-statement>
-Wdeclaration-after-statement
)
endif()
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wextra)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wno-unused-parameter)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wno-missing-field-initializers)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wformat=2) # Warn about format strings.
add_c_compiler_flag_if_supported(OUR_FLAGS_DEP -Wno-implicit-function-declaration)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wno-nullability-completeness) # Mac OS build on github
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wduplicated-cond)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wduplicated-branches)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wlogical-op)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wrestrict)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wshadow-all) # clang
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wshadow=global) # gcc
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wthread-safety)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wthread-safety-negative)
add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wsuggest-override)
add_linker_flag_if_supported(OUR_FLAGS_LINK -Wno-alloc-size-larger-than) # save.cpp with LTO
# add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wdouble-promotion) # Many occurrences
# add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wnull-dereference) # Many occurrences
# add_cxx_compiler_flag_if_supported(OUR_FLAGS_OWN -Wuseless-cast) # TODO: Enable for C++ code except gtest
endif()
if(MSVC)
if(EXCEPTION_HANDLING)
add_cxx_compiler_flag_if_supported(OUR_FLAGS /DCONF_EXCEPTION_HANDLING)
endif()
endif()
if(NOT MSVC AND NOT HAIKU AND NOT SECURITY_COMPILER_FLAGS STREQUAL OFF)
check_c_compiler_flag("-O2;-Wp,-Werror;-D_FORTIFY_SOURCE=2" DEFINE_FORTIFY_SOURCE) # Some distributions define _FORTIFY_SOURCE by themselves.
endif()
########################################################################
# COMMON FUNCTIONS
########################################################################
function(mmo_dir_list GLOBBING EXTS DIRECTORY VARIABLE)
set(GLOBS)
foreach(ext ${EXTS})
list(APPEND GLOBS "${DIRECTORY}/*.${ext}")
endforeach()
file(${GLOBBING} GLOB_RESULT ${GLOBS})
set(GLOB_RESULT_CUT)
foreach(file ${GLOB_RESULT})
string(REPLACE "${PROJECT_SOURCE_DIR}/${DIRECTORY}/" "" CUT_PATH ${file})
list(APPEND GLOB_RESULT_CUT "${CUT_PATH}")
endforeach()
set("${VARIABLE}_GLOB_RESULT_CUT" ${GLOB_RESULT_CUT} PARENT_SCOPE)
endfunction()
function(set_glob VAR GLOBBING EXTS DIRECTORY)
set(GLOBS)
foreach(ext ${EXTS})
list(APPEND GLOBS "${DIRECTORY}/*.${ext}")
endforeach()
file(${GLOBBING} GLOB_RESULT ${GLOBS})
set(${VAR} ${GLOB_RESULT} PARENT_SCOPE)
endfunction()
function(set_src VAR GLOBBING DIRECTORY) # ...
set_glob(${VAR} ${GLOBBING} "c;cpp;h;hpp" ${DIRECTORY} ${ARGN})
set(${VAR} ${${VAR}} PARENT_SCOPE)
set(CHECKSUM_SRC ${CHECKSUM_SRC} ${${VAR}} PARENT_SCOPE)
endfunction()
set(CHECKSUM_SRC)
function(set_own_rpath TARGET)
if(NOT TARGET_OS STREQUAL "windows" AND NOT TARGET_OS STREQUAL "mac")
if(CMAKE_VERSION VERSION_GREATER 3.8 OR CMAKE_VERSION VERSION_EQUAL 3.8)
set_property(TARGET ${TARGET} PROPERTY BUILD_RPATH "$ORIGIN")
endif()
set_property(TARGET ${TARGET} PROPERTY INSTALL_RPATH "$ORIGIN/../lib/ddnet")
endif()
endfunction()
########################################################################
# INITIALIZE TARGET LISTS
########################################################################
set(TARGETS_OWN)
set(TARGETS_DEP)
set(TARGETS_LINK) # Targets with a linking stage.
########################################################################
# DEPENDENCIES
########################################################################
if((CMAKE_OSX_ARCHITECTURES STREQUAL "arm64;x86_64" OR CMAKE_OSX_ARCHITECTURES STREQUAL "x86_64;arm64") AND TARGET_OS STREQUAL "mac")
set(FAT ON)
else()
set(FAT OFF)
endif()
if(FAT)
set(LIB_DIR "${TARGET_OS}/libfat")
elseif(CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
set(LIB_DIR "webasm/libwasm")
elseif(TARGET_CPU_ARCHITECTURE STREQUAL "arm" OR TARGET_CPU_ARCHITECTURE STREQUAL "arm64")
set(LIB_DIR "${TARGET_OS}/lib${TARGET_CPU_ARCHITECTURE}")
else()
set(LIB_DIR "${TARGET_OS}/lib${TARGET_BITS}")
endif()
function(set_extra_dirs_lib VARIABLE NAME)
set("PATHS_${VARIABLE}_LIBDIR" PARENT_SCOPE)
set("HINTS_${VARIABLE}_LIBDIR" PARENT_SCOPE)
if(PREFER_BUNDLED_LIBS)
set(TYPE HINTS)
else()
set(TYPE PATHS)
endif()
if(TARGET_BITS AND TARGET_OS)
set(DIR "ddnet-libs/${NAME}/${LIB_DIR}")
set("${TYPE}_${VARIABLE}_LIBDIR" "${DIR}" PARENT_SCOPE)
set("EXTRA_${VARIABLE}_LIBDIR" "${DIR}" PARENT_SCOPE)
endif()
endfunction()
function(set_extra_dirs_include VARIABLE NAME LIBRARY)
set("PATHS_${VARIABLE}_INCLUDEDIR" PARENT_SCOPE)
set("HINTS_${VARIABLE}_INCLUDEDIR" PARENT_SCOPE)
is_bundled(IS_BUNDLED "${LIBRARY}")
if(IS_BUNDLED)
set(TMP_TARGET_OS ${TARGET_OS})
if(CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
set(TMP_TARGET_OS webasm)
endif()
set("HINTS_${VARIABLE}_INCLUDEDIR" "ddnet-libs/${NAME}/include" "ddnet-libs/${NAME}/include/${TMP_TARGET_OS}" PARENT_SCOPE)
endif()
endfunction()
if(CMAKE_CROSSCOMPILING)
if(TARGET_OS STREQUAL "android" OR CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
# be more aggressive with android toolchain
set(CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH NO_CMAKE_SYSTEM_PATH NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH)
else()
set(CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH NO_CMAKE_SYSTEM_PATH)
endif()
else()
set(CROSSCOMPILING_NO_CMAKE_SYSTEM_PATH)
endif()
function(is_bundled VARIABLE PATH)
if(PATH)
string(FIND "${PATH}" "${PROJECT_SOURCE_DIR}" LOCAL_PATH_POS)
if(LOCAL_PATH_POS EQUAL 0 AND TARGET_BITS AND TARGET_OS)
set("${VARIABLE}" ON PARENT_SCOPE)
else()
set("${VARIABLE}" OFF PARENT_SCOPE)
endif()
else()
set("${VARIABLE}" OFF PARENT_SCOPE)
endif()
endfunction()
if(NOT CMAKE_CROSSCOMPILING)
# Check for PkgConfig once so all the other `find_package` calls can do it
# quietly.
find_package(PkgConfig)
endif()
if(TARGET_OS STREQUAL "android")
find_package(Android)
endif()
find_package(ZLIB)
find_package(Crypto)
find_package(Curl)
find_package(Freetype)
if(UPNP)
find_package(Miniupnpc)
endif()
if(MYSQL)
find_package(MySQL)
else()
set(MYSQL_LIBRARIES)
endif()
find_package(PythonInterp 3)
find_package(SQLite3)
if(UNIX)
# Use -pthread instead of -lpthread to draw dependencies other than libpthread
set(THREADS_PREFER_PTHREAD_FLAG TRUE)
endif()
find_package(Threads)
if(WEBSOCKETS)
find_package(Websockets)
else()
set(WEBSOCKETS_LIBRARIES)
set(WEBSOCKETS_INCLUDE_DIRS)
endif()
if(EXCEPTION_HANDLING)
find_package(ExceptionHandling)
endif()
if(TARGET_OS AND TARGET_OS STREQUAL "mac")
find_program(CMAKE_OTOOL otool)
find_program(DMGBUILD dmgbuild)
endif()
message(STATUS "******** ${CMAKE_PROJECT_NAME} ********")
set(TARGET "Target OS: ${TARGET_OS} ${CMAKE_SYSTEM_PROCESSOR}")
if(TARGET_OS STREQUAL "mac")
set(TARGET "${TARGET} (SDK: ${CMAKE_OSX_SYSROOT}, architectures: ${CMAKE_OSX_ARCHITECTURES})")
endif()
message(STATUS ${TARGET})
message(STATUS "Compiler: ${CMAKE_CXX_COMPILER}")
message(STATUS "Build type: ${CMAKE_BUILD_TYPE}")
message(STATUS "Dependencies:")
function(show_dependency_status OUTPUT_NAME NAME)
if(${NAME}_FOUND)
if(${NAME}_BUNDLED)
message(STATUS " * ${OUTPUT_NAME} not found (using bundled version)")
else()
message(STATUS " * ${OUTPUT_NAME} found")
endif()
else()
message(STATUS " * ${OUTPUT_NAME} not found")
endif()
endfunction()
show_dependency_status("Curl" CURL)
if(TARGET_OS AND TARGET_OS STREQUAL "mac")
show_dependency_status("Dmg tools" DMGTOOLS)
endif()
show_dependency_status("Freetype" FREETYPE)
if(TARGET_OS AND TARGET_OS STREQUAL "mac")
show_dependency_status("Dmgbuild" DMGBUILD)
endif()
if(UPNP)
show_dependency_status("Miniupnpc" MINIUPNPC)
endif()
if(MYSQL)
show_dependency_status("MySQL" MYSQL)
endif()
show_dependency_status("OpenSSL Crypto" CRYPTO)
show_dependency_status("PythonInterp" PYTHONINTERP)
show_dependency_status("SQLite3" SQLite3)
show_dependency_status("Zlib" ZLIB)
if(WEBSOCKETS)
show_dependency_status("Websockets" WEBSOCKETS)
endif()
if(NOT(CURL_FOUND))
message(SEND_ERROR "You must install Curl to compile ${CMAKE_PROJECT_NAME}")
endif()
if(NOT(PYTHONINTERP_FOUND))
message(SEND_ERROR "You must install Python to compile ${CMAKE_PROJECT_NAME}")
endif()
if(NOT(SQLite3_FOUND))
message(SEND_ERROR "You must install SQLite3 to compile ${CMAKE_PROJECT_NAME}")
endif()
if(MYSQL AND NOT(MYSQL_FOUND))
message(SEND_ERROR "You must install MySQL to compile the ${CMAKE_PROJECT_NAME} server with MySQL support")
endif()
if(WEBSOCKETS AND NOT(WEBSOCKETS_FOUND))
message(SEND_ERROR "You must install libwebsockets to compile the ${CMAKE_PROJECT_NAME} server with websocket support")
endif()
if(UPNP AND NOT(MINIUPNPC_FOUND))
message(SEND_ERROR "You must install miniupnpc to compile the ${CMAKE_PROJECT_NAME} server with UPnP support")
endif()
if(TARGET_OS STREQUAL "windows")
set(PLATFORM_LIBS)
list(APPEND PLATFORM_LIBS shlwapi) # PathIsRelativeW
list(APPEND PLATFORM_LIBS version ws2_32) # Windows sockets
list(APPEND PLATFORM_LIBS ole32) # CoInitialize(Ex)
list(APPEND PLATFORM_LIBS shell32)
elseif(TARGET_OS STREQUAL "mac")
find_library(CARBON Carbon)
find_library(COCOA Cocoa)
find_library(OPENGL OpenGL)
find_library(SECURITY Security)
set(PLATFORM_LIBS ${CARBON} ${SECURITY})
elseif(TARGET_OS STREQUAL "haiku")
find_package(OpenGL)
set(PLATFORM_LIBS GL network)
else()
if(TARGET_OS STREQUAL "linux")
set(PLATFORM_LIBS)
list(APPEND PLATFORM_LIBS rt) # clock_gettime for glibc < 2.17
else()
set(PLATFORM_LIBS)
endif()
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
set(CMAKE_EXECUTABLE_SUFFIX ".html")
endif()
########################################################################
# DEPENDENCY COMPILATION
########################################################################
set_src(DEP_JSON_SRC GLOB src/engine/external/json-parser json.c json.h)
add_library(json EXCLUDE_FROM_ALL OBJECT ${DEP_JSON_SRC})
set_src(DEP_MD5_SRC GLOB src/engine/external/md5 md5.c md5.h)
add_library(md5 EXCLUDE_FROM_ALL OBJECT ${DEP_MD5_SRC})
set_src(DEP_XML_SRC GLOB src/engine/external/xml pugiconfig.hpp pugixml.cpp pugixml.hpp)
add_library(xml EXCLUDE_FROM_ALL OBJECT ${DEP_XML_SRC})
list(APPEND TARGETS_DEP json md5 xml)
set(DEP_JSON $<TARGET_OBJECTS:json>)
set(DEP_XML $<TARGET_OBJECTS:xml>)
set(DEP_MD5)
if(NOT CRYPTO_FOUND)
set(DEP_MD5 $<TARGET_OBJECTS:md5>)
endif()
########################################################################
# DATA
########################################################################
set_glob(DATA GLOB_RECURSE "cfg;frag;json;map;otf;png;rules;ttf;txt;vert;wv;xml" data)
########################################################################
# COPY DATA AND SHARED LIBS
########################################################################
foreach(datafile ${DATA})
file(RELATIVE_PATH OUT ${PROJECT_SOURCE_DIR}/data ${datafile})
get_filename_component(DESTINATION data/${OUT} PATH)
file(MAKE_DIRECTORY ${DESTINATION})
file(COPY ${datafile} DESTINATION ${DESTINATION})
endforeach()
set(COPY_FILES
${CURL_COPY_FILES}
${FREETYPE_COPY_FILES}
${SQLite3_COPY_FILES}
${WEBSOCKETS_COPY_FILES}
${EXCEPTION_HANDLING_COPY_FILES}
)
file(COPY ${COPY_FILES} DESTINATION .)
########################################################################
# CODE GENERATION
########################################################################
function(generate_source output_file script_parameter)
add_custom_command(OUTPUT ${output_file}
COMMAND ${PYTHON_EXECUTABLE} datasrc/compile.py ${script_parameter}
> "${PROJECT_BINARY_DIR}/${output_file}"
DEPENDS
datasrc/compile.py
datasrc/content.py
datasrc/datatypes.py
datasrc/network.py
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
)
endfunction()
function(generate_source7 output_file script_parameter)
add_custom_command(OUTPUT ${output_file}
COMMAND ${PYTHON_EXECUTABLE} -m datasrc.seven.compile ${script_parameter}
> "${PROJECT_BINARY_DIR}/${output_file}"
DEPENDS
datasrc/seven/compile.py
datasrc/seven/content.py
datasrc/seven/datatypes.py
datasrc/seven/network.py
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
)
endfunction()
function(generate_maps output_file script_parameter)
add_custom_command(OUTPUT ${output_file}
COMMAND ${PYTHON_EXECUTABLE} datasrc/crosscompile.py ${script_parameter}
> "${PROJECT_BINARY_DIR}/${output_file}"
DEPENDS
datasrc/crosscompile.py
datasrc/compile.py
datasrc/content.py
datasrc/datatypes.py
datasrc/network.py
datasrc/seven/compile.py
datasrc/seven/content.py
datasrc/seven/datatypes.py
datasrc/seven/network.py
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
)
endfunction()
file(MAKE_DIRECTORY "${PROJECT_BINARY_DIR}/src/game/generated/")
execute_process(COMMAND git rev-parse --git-dir
ERROR_QUIET
WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}"
OUTPUT_VARIABLE PROJECT_GIT_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE PROJECT_GIT_DIR_ERROR
)
if(NOT PROJECT_GIT_DIR_ERROR)
set(GIT_REVISION_EXTRA_DEPS
${PROJECT_GIT_DIR}/index
${PROJECT_GIT_DIR}/logs/HEAD
)
endif()
add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/src/game/generated/git_revision.cpp
COMMAND ${PYTHON_EXECUTABLE}
scripts/git_revision.py
> ${PROJECT_BINARY_DIR}/src/game/generated/git_revision.cpp
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
DEPENDS
${GIT_REVISION_EXTRA_DEPS}
scripts/git_revision.py
)
generate_source("src/game/generated/protocol.cpp" "network_source")
generate_source("src/game/generated/protocol.h" "network_header")
generate_source("src/game/generated/server_data.cpp" "server_content_source")
generate_source("src/game/generated/server_data.h" "server_content_header")
generate_source7("src/game/generated/protocol7.cpp" "network_source")
generate_source7("src/game/generated/protocol7.h" "network_header")
generate_maps("src/game/generated/protocolglue.h" "map_header")
generate_maps("src/game/generated/protocolglue.cpp" "map_source")
add_custom_command(OUTPUT "src/game/generated/wordlist.h"
COMMAND ${PYTHON_EXECUTABLE} scripts/wordlist.py > ${PROJECT_BINARY_DIR}/src/game/generated/wordlist.h
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
DEPENDS
scripts/wordlist.py
)
########################################################################
# SHARED
########################################################################
# Sources
file(GLOB_RECURSE BASE "src/base/*.cpp" "src/base/*.c" "src/base/*.h")
file(GLOB ENGINE_INTERFACE "src/engine/*.h")
file(GLOB ENGINE_SHARED "src/engine/shared/*.cpp" "src/engine/shared/*.h")
file(GLOB GAME_SHARED "src/game/*.cpp" "src/game/*.h")
# A bit hacky, but these are needed to register all the UUIDs, even for stuff
# that doesn't link game.
set(ENGINE_UUID_SHARED
src/game/generated/protocolglue.cpp
src/game/generated/protocolglue.h
src/game/generated/protocol7.cpp
src/game/generated/protocol7.h
src/game/generated/protocol.cpp
src/game/generated/protocol.h
src/game/mapitems_ex.cpp
src/game/mapitems_ex.h
src/game/mapitems_ex_types.h
)
foreach(s ${GAME_SHARED})
if(s MATCHES "mapitems_(ex.cpp|ex.h|ex_types.h)$")
list(REMOVE_ITEM GAME_SHARED ${s})
endif()
endforeach()
list(REMOVE_ITEM GAME_SHARED ${ENGINE_UUID_SHARED})
set(GAME_GENERATED_SHARED
src/game/generated/git_revision.cpp
src/game/generated/protocol.h
src/game/generated/protocol7.h
src/game/generated/protocolglue.h
)
set(DEPS ${DEP_JSON} ${DEP_MD5} ${ZLIB_DEP} ${DEP_XML})
# Libraries
set(LIBS
${CRYPTO_LIBRARIES}
${CURL_LIBRARIES}
${SQLite3_LIBRARIES}
${WEBSOCKETS_LIBRARIES}
${ZLIB_LIBRARIES}
${PLATFORM_LIBS}
# Add pthreads (on non-Windows) at the end, so that other libraries can depend
# on it.
${CMAKE_THREAD_LIBS_INIT}
)
# Targets
add_library(engine-shared EXCLUDE_FROM_ALL OBJECT ${ENGINE_INTERFACE} ${ENGINE_SHARED} ${ENGINE_UUID_SHARED} ${BASE})
add_library(game-shared EXCLUDE_FROM_ALL OBJECT ${GAME_SHARED} ${GAME_GENERATED_SHARED})
list(APPEND TARGETS_OWN engine-shared game-shared)
########################################################################
# SERVER
########################################################################
# Sources
file(GLOB_RECURSE ENGINE_SERVER "src/engine/server/*.cpp" "src/engine/server/*.h")
file(GLOB_RECURSE GAME_SERVER "src/game/server/*.cpp" "src/game/server/*.h")
file(GLOB_RECURSE GAME_MMO "src/game/server/components/*.cpp" "src/game/server/components/*.h")
set(GAME_GENERATED_SERVER "src/game/generated/server_data.cpp" "src/game/generated/server_data.h")
set(SERVER_SRC ${ENGINE_SERVER} ${GAME_SERVER} ${GAME_MMO} ${GAME_GENERATED_SERVER})
if(TARGET_OS STREQUAL "windows")
set(SERVER_ICON "other/icons/DDNet-Server.rc")
else()
set(SERVER_ICON)
endif()
# Libraries
set(LIBS_SERVER
${MINIUPNPC_LIBRARIES}
${MYSQL_LIBRARIES}
${LIBS}
)
# Target
set(TARGET_SERVER ${SERVER_EXECUTABLE})
add_executable(${TARGET_SERVER}
${DEPS}
${SERVER_SRC}
${SERVER_ICON}
$<TARGET_OBJECTS:engine-shared>
$<TARGET_OBJECTS:game-shared>
)
target_link_libraries(${TARGET_SERVER} ${LIBS_SERVER})
list(APPEND TARGETS_OWN ${TARGET_SERVER})
list(APPEND TARGETS_LINK ${TARGET_SERVER})
if(TARGET_OS AND TARGET_OS STREQUAL "mac")
set(SERVER_LAUNCHER_SRC src/macos/server.mm)
set(TARGET_SERVER_LAUNCHER ${TARGET_SERVER}-Launcher)
add_executable(${TARGET_SERVER_LAUNCHER} ${SERVER_LAUNCHER_SRC})
target_link_libraries(${TARGET_SERVER_LAUNCHER} ${COCOA})
list(APPEND TARGETS_OWN ${TARGET_SERVER_LAUNCHER})
list(APPEND TARGETS_LINK ${TARGET_SERVER_LAUNCHER})
endif()
########################################################################
# VARIOUS TARGETS
########################################################################
add_custom_target(everything DEPENDS ${TARGETS_OWN})
########################################################################
# CHECKSUM
########################################################################
if(DEV)
# Only do minimal checksumming in a DEV build.
set(CHECKSUM_SRC)
endif()
list(APPEND CHECKSUM_SRC
${PROJECT_SOURCE_DIR}/CMakeLists.txt
${PROJECT_SOURCE_DIR}/scripts/checksum.py
)
configure_file(cmake/checksummed_extra.txt checksummed_extra.txt)
string(REPLACE ";" "\n" CHECKSUM_SRC_FILE "${CHECKSUM_SRC}")
file(WRITE ${PROJECT_BINARY_DIR}/checksummed_files.txt ${CHECKSUM_SRC_FILE})
add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/src/game/generated/checksum.cpp
COMMAND ${PYTHON_EXECUTABLE}
scripts/checksum.py
${PROJECT_BINARY_DIR}/checksummed_files.txt
${PROJECT_BINARY_DIR}/checksummed_extra.txt
> ${PROJECT_BINARY_DIR}/src/game/generated/checksum.cpp
WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
DEPENDS
${CHECKSUM_SRC}
${PROJECT_BINARY_DIR}/checksummed_files.txt
${PROJECT_BINARY_DIR}/checksummed_extra.txt
scripts/checksum.py
)
########################################################################
# INSTALLATION
########################################################################
function(escape_regex VAR STRING)
string(REGEX REPLACE "([][^$.+*?|()\\\\])" "\\\\\\1" ESCAPED "${STRING}")
set(${VAR} ${ESCAPED} PARENT_SCOPE)
endfunction()
function(escape_backslashes VAR STRING)
string(REGEX REPLACE "\\\\" "\\\\\\\\" ESCAPED "${STRING}")
set(${VAR} ${ESCAPED} PARENT_SCOPE)
endfunction()
function(max_length VAR)
set(MAX_LENGTH 0)
foreach(str ${ARGN})
string(LENGTH ${str} LENGTH)
if(LENGTH GREATER MAX_LENGTH)
set(MAX_LENGTH ${LENGTH})
endif()
endforeach()
set(${VAR} ${MAX_LENGTH} PARENT_SCOPE)
endfunction()
# Tries to generate a list of regex that matches everything except the given
# parameters.
function(regex_inverted VAR)
max_length(MAX_LENGTH ${ARGN})
math(EXPR UPPER_BOUND "${MAX_LENGTH}-1")
set(REMAINING ${ARGN})
set(RESULT)
foreach(i RANGE ${UPPER_BOUND})
set(TEMP ${REMAINING})
set(REMAINING)
foreach(str ${TEMP})
string(LENGTH ${str} LENGTH)
if(i LESS LENGTH)
list(APPEND REMAINING ${str})
endif()
endforeach()
set(ADDITIONAL)
foreach(outer ${REMAINING})
string(SUBSTRING ${outer} 0 ${i} OUTER_PREFIX)
set(CHARS "")
foreach(inner ${REMAINING})
string(SUBSTRING ${inner} 0 ${i} INNER_PREFIX)
if(OUTER_PREFIX STREQUAL INNER_PREFIX)
string(SUBSTRING ${inner} ${i} 1 INNER_NEXT)
set(CHARS "${CHARS}${INNER_NEXT}")
endif()
endforeach()
escape_regex(OUTER_PREFIX_ESCAPED "${OUTER_PREFIX}")
list(APPEND ADDITIONAL "${OUTER_PREFIX_ESCAPED}([^${CHARS}]|$)")
endforeach()
list(REMOVE_DUPLICATES ADDITIONAL)
list(APPEND RESULT ${ADDITIONAL})
endforeach()
set(${VAR} ${RESULT} PARENT_SCOPE)
endfunction()
set(CPACK_PACKAGE_NAME ${PROJECT_NAME})
set(CPACK_GENERATOR TGZ TXZ)
set(CPACK_ARCHIVE_COMPONENT_INSTALL ON)
if(TARGET_OS STREQUAL "mac")
set(CPACK_STRIP_FILES FALSE)
else()
set(CPACK_STRIP_FILES TRUE)
endif()
set(CPACK_COMPONENTS_ALL portable)
set(CPACK_SOURCE_GENERATOR ZIP TGZ TBZ2 TXZ)
set(CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR})
set(CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR})
set(CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH})
set(CPACK_PACKAGE_VERSION ${VERSION})
set(CPACK_SYSTEM_NAME ${CMAKE_SYSTEM_NAME})
if(TARGET_OS AND TARGET_BITS)
if(TARGET_OS STREQUAL "windows")
set(CPACK_SYSTEM_NAME "win${TARGET_BITS}")
set(CPACK_GENERATOR ZIP)
elseif(TARGET_OS STREQUAL "linux")
# Let compiler tell its arch
# Both gcc and clang support -dumpmachine
execute_process(
COMMAND ${CMAKE_C_COMPILER} -dumpmachine
OUTPUT_VARIABLE ARCHITECTURE_TUPLE
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT ARCHITECTURE_TUPLE)
# If you're really using a weird compiler, then assume Intel here.
message(WARNING "Your compiler doesn't support -dumpmachine, this is weird")
if(TARGET_BITS EQUAL 32)
set(ARCHITECTURE "x86")
elseif(TARGET_BITS EQUAL 64)
set(ARCHITECTURE "x86_64")
endif()
else()
string(REGEX MATCH "^[^-]*" ARCHITECTURE "${ARCHITECTURE_TUPLE}")
if(ARCHITECTURE MATCHES "i.86")
set(ARCHITECTURE "x86")
endif()
endif()
set(CPACK_SYSTEM_NAME "linux_${ARCHITECTURE}")
elseif(TARGET_OS STREQUAL "mac")
set(CPACK_SYSTEM_NAME "macos")
set(CPACK_GENERATOR DMG)
endif()
endif()
set(CPACK_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}-${CPACK_SYSTEM_NAME})
set(CPACK_ARCHIVE_PORTABLE_FILE_NAME ${CPACK_PACKAGE_FILE_NAME})
set(CPACK_SOURCE_PACKAGE_FILE_NAME ${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}-src)
set(CPACK_SOURCE_FILES
CMakeLists.txt
README.md
cmake/
data/
datasrc/
ddnet-libs/