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cmake_minimum_required(VERSION 3.5)
project(OpenTTD)
if (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
message(FATAL_ERROR "In-source builds not allowed. Please run \"cmake ..\" from the bin directory")
endif (CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake")
# Use GNUInstallDirs to allow customisation
# but set our own default data dir
if (NOT CMAKE_INSTALL_DATADIR)
set(CMAKE_INSTALL_DATADIR "share/games")
endif (NOT CMAKE_INSTALL_DATADIR)
include(GNUInstallDirs)
include(Options)
set_options()
set_directory_options()
include(Static)
set_static_if_needed()
# Prefer -pthread over -lpthread, which is often the better option of the two.
set(CMAKE_THREAD_PREFER_PTHREAD YES)
# Make sure we have Threads available.
find_package(Threads REQUIRED)
find_package(ZLIB)
find_package(LibLZMA)
find_package(LZO)
find_package(PNG)
if (NOT WIN32)
find_package(SDL2)
if (NOT SDL2_FOUND)
find_package(SDL)
endif( NOT SDL2_FOUND)
find_package(Allegro)
find_package(Fluidsynth)
find_package(Freetype)
find_package(Fontconfig)
find_package(ICU OPTIONAL_COMPONENTS i18n lx)
find_package(XDG_basedir)
endif (NOT WIN32)
if (APPLE)
find_package(Iconv)
find_library(AUDIOTOOLBOX_LIBRARY AudioToolbox)
find_library(AUDIOUNIT_LIBRARY AudioUnit)
find_library(COCOA_LIBRARY Cocoa)
endif (APPLE)
if (MSVC)
find_package(Editbin REQUIRED)
endif (MSVC)
find_package(SSE)
find_package(Xaudio2)
find_package(Grfcodec)
# IPO is only properly supported from CMake 3.9. Despite the fact we are
# CMake 3.5, still enable IPO if we detect we are 3.9+.
if (POLICY CMP0069)
cmake_policy(SET CMP0069 NEW)
include(CheckIPOSupported)
check_ipo_supported(RESULT IPO_FOUND)
endif (POLICY CMP0069)
show_options()
if (UNIX AND NOT APPLE AND NOT OPTION_DEDICATED)
if (NOT SDL_FOUND AND NOT SDL2_FOUND)
message(FATAL_ERROR "SDL or SDL2 is required for this platform")
endif (NOT SDL_FOUND AND NOT SDL2_FOUND)
endif (UNIX AND NOT APPLE AND NOT OPTION_DEDICATED)
if (APPLE)
if (NOT AUDIOTOOLBOX_LIBRARY)
message(FATAL_ERROR "AudioToolbox is required for this platform")
endif (NOT AUDIOTOOLBOX_LIBRARY)
if (NOT AUDIOUNIT_LIBRARY)
message(FATAL_ERROR "AudioUnit is required for this platform")
endif (NOT AUDIOUNIT_LIBRARY)
if (NOT COCOA_LIBRARY)
message(FATAL_ERROR "Cocoa is required for this platform")
endif (NOT COCOA_LIBRARY)
endif (APPLE)
if (MSVC)
# C++17 for MSVC
set(CMAKE_CXX_STANDARD 17)
else (MSVC)
# C++11 for all other targets
set(CMAKE_CXX_STANDARD 11)
endif (MSVC)
set(CMAKE_CXX_STANDARD_REQUIRED YES)
set(CMAKE_CXX_EXTENSIONS NO)
set(CMAKE_EXPORT_COMPILE_COMMANDS YES)
list(APPEND GENERATED_SOURCE_FILES "${CMAKE_BINARY_DIR}/generated/rev.cpp")
if (WIN32)
list(APPEND GENERATED_SOURCE_FILES "${CMAKE_BINARY_DIR}/generated/ottdres.rc")
endif (WIN32)
# Generate a target to determine version, which is execute every 'make' run
add_custom_target(find_version
${CMAKE_COMMAND}
-DFIND_VERSION_BINARY_DIR=${CMAKE_BINARY_DIR}/generated
-DCPACK_BINARY_DIR=${CMAKE_BINARY_DIR}
-P "${CMAKE_SOURCE_DIR}/cmake/scripts/FindVersion.cmake"
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
BYPRODUCTS ${GENERATED_SOURCE_FILES}
)
include(SourceList)
include(Endian)
add_endian_definition()
# Needed by rev.cpp
include_directories(${CMAKE_SOURCE_DIR}/src)
# Needed by everything that uses Squirrel
include_directories(${CMAKE_SOURCE_DIR}/src/3rdparty/squirrel/include)
include(CompileFlags)
compile_flags()
add_executable(openttd WIN32 ${GENERATED_SOURCE_FILES})
# All other files are added via target_sources()
include(AddCustomXXXTimestamp)
add_subdirectory(${CMAKE_SOURCE_DIR}/src)
add_subdirectory(${CMAKE_SOURCE_DIR}/media/baseset)
add_dependencies(openttd
find_version)
target_link_libraries(openttd
openttd::languages
openttd::settings
openttd::basesets
Threads::Threads
)
if (IPO_FOUND)
set_target_properties(openttd PROPERTIES INTERPROCEDURAL_OPTIMIZATION_RELEASE True)
set_target_properties(openttd PROPERTIES INTERPROCEDURAL_OPTIMIZATION_MINSIZEREL True)
set_target_properties(openttd PROPERTIES INTERPROCEDURAL_OPTIMIZATION_RELWITHDEBINFO True)
endif (IPO_FOUND)
set_target_properties(openttd PROPERTIES VS_DEBUGGER_WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}/bin")
process_compile_flags()
if (APPLE OR UNIX)
add_definitions(-DUNIX)
endif (APPLE OR UNIX)
include(LinkPackage)
link_package(PNG TARGET PNG::PNG ENCOURAGED)
link_package(ZLIB TARGET ZLIB::ZLIB ENCOURAGED)
link_package(LIBLZMA TARGET LibLZMA::LibLZMA ENCOURAGED)
link_package(LZO ENCOURAGED)
link_package(XDG_basedir)
if (NOT OPTION_DEDICATED)
link_package(Fluidsynth)
link_package(SDL)
link_package(SDL2 TARGET SDL2::SDL2)
link_package(Allegro)
link_package(FREETYPE TARGET Freetype::Freetype)
link_package(Fontconfig TARGET Fontconfig::Fontconfig)
link_package(ICU_lx)
link_package(ICU_i18n)
endif (NOT OPTION_DEDICATED)
if (APPLE)
link_package(Iconv TARGET Iconv::Iconv)
target_link_libraries(openttd
${AUDIOTOOLBOX_LIBRARY}
${AUDIOUNIT_LIBRARY}
${COCOA_LIBRARY}
)
add_definitions(
-DWITH_COCOA
-DENABLE_COCOA_QUARTZ
)
endif (APPLE)
if (NOT PERSONAL_DIR STREQUAL "(not set)")
add_definitions(
-DWITH_PERSONAL_DIR
-DPERSONAL_DIR="${PERSONAL_DIR}"
)
endif (NOT PERSONAL_DIR STREQUAL "(not set)")
if (NOT SHARED_DIR STREQUAL "(not set)")
add_definitions(
-DWITH_SHARED_DIR
-DSHARED_DIR="${SHARED_DIR}"
)
endif (NOT SHARED_DIR STREQUAL "(not set)")
if (NOT GLOBAL_DIR STREQUAL "(not set)")
add_definitions(
-DGLOBAL_DATA_DIR="${GLOBAL_DIR}"
)
endif (NOT GLOBAL_DIR STREQUAL "(not set)")
link_package(SSE)
add_definitions_based_on_options()
if (WIN32)
add_definitions(
-DUNICODE
-D_UNICODE
-DWITH_UNISCRIBE
)
target_link_libraries(openttd
ws2_32
winmm
imm32
)
endif (WIN32)
if (CMAKE_SIZEOF_VOID_P EQUAL 8)
add_definitions(-D_SQ64)
endif (CMAKE_SIZEOF_VOID_P EQUAL 8)
include(CreateRegression)
create_regression()
include(InstallAndPackage)
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