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cmake_minimum_required ( VERSION 3.16.9 )
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project ( rpcs3 )
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if ( ${ CMAKE_CXX_COMPILER_ID } MATCHES "GNU" )
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if ( CMAKE_CXX_COMPILER_VERSION VERSION_LESS 11 )
message ( FATAL_ERROR "RPCS3 requires at least gcc-11." )
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endif ( )
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elseif ( ${ CMAKE_CXX_COMPILER_ID } MATCHES "Clang" )
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if ( CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.0 )
message ( FATAL_ERROR "RPCS3 requires at least clang-12.0." )
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endif ( )
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endif ( )
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option ( USE_NATIVE_INSTRUCTIONS "USE_NATIVE_INSTRUCTIONS makes rpcs3 compile with -march=native, which is useful for local builds, but not good for packages." ON )
option ( WITH_LLVM "Enable usage of LLVM library" ON )
option ( BUILD_LLVM_SUBMODULE "Build LLVM from git submodule" ON )
option ( USE_FAUDIO "FAudio audio backend" ON )
option ( USE_LIBEVDEV "libevdev-based joystick support" ON )
option ( USE_DISCORD_RPC "Discord rich presence integration" ON )
option ( USE_SYSTEM_ZLIB "Prefer system ZLIB instead of the builtin one" ON )
option ( USE_VULKAN "Vulkan render backend" ON )
option ( USE_PRECOMPILED_HEADERS "Use precompiled headers" OFF )
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set ( CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/buildfiles/cmake" )
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include ( CheckCXXCompilerFlag )
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# TODO(cjj19970505@live.cn)
# Currently cmake config scripts are single-config generator only.
get_property ( IS_MULTI_CONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG )
if ( IS_MULTI_CONFIG )
message ( FATAL_ERROR "Multi-config generators are not supported." )
endif ( )
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if ( NOT CMAKE_BUILD_TYPE )
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message ( STATUS "No build type selected, default to Release" )
set ( CMAKE_BUILD_TYPE "Release" )
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endif ( )
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if ( CMAKE_BUILD_TYPE MATCHES "Debug" AND NOT MSVC )
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add_definitions ( -D_DEBUG )
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endif ( )
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if ( MSVC )
option ( USE_MSVC_STATIC_CRT "Use static MSVC C runtime" OFF )
# TODO(cjj19970505@live.cno)
# DiscordRPC binary in 3rdparty is compiled /MT
# So theoretically we should enable DiscordRPC in Release and static CRT build
# since we might encounter some rumtime issues when more than one CRT version are presented.
# https://docs.microsoft.com/en-us/cpp/c-runtime-library/crt-library-features?view=msvc-160#what-problems-exist-if-an-application-uses-more-than-one-crt-version
# Add other DiscordRPC binaries(compiled with /MTd, /MD, /MDd) or compile it from source may address this issue.
if ( NOT(CMAKE_BUILD_TYPE MATCHES "Release" AND USE_MSVC_STATIC_CRT ) )
set ( USE_DISCORD_RPC OFF CACHE BOOL "Discord RPC is only available in Release and static CRT build." FORCE )
endif ( )
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if ( USE_MSVC_STATIC_CRT )
set ( CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>" )
else ( )
# though doc ( https://cmake.org/cmake/help/latest/variable/CMAKE_MSVC_RUNTIME_LIBRARY.html )
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# says if that property is not set then CMake uses the default value MultiThreaded$<$<CONFIG:Debug>:Debug>DLL
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# to select a MSVC runtime library.
# But yaml-cpp set /MT(d) if CMAKE_MSVC_RUNTIME_LIBRARY is undefined
# So we have to define it explicitly
set ( CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL" )
endif ( )
# TODO(cjj19970505@live.cn)
# offical QT uses dynamic CRT.
# When building our lib with static CRT and debug build type
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# and linking with Qt with dynmaic CRT and debug build,
# error is encountered in runtime (which is expected).
# But building our lib with static CRT and release build type,
# and linking with Qt with dynamic CRT and release build seems to be working,
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# which is the same config with VS solution.
# (though technically it might still have some hidden errors).
# So we allow static CRT in both relase and debug build, but prompt warning in debug build.
# For more info:
# https://docs.microsoft.com/en-us/cpp/c-runtime-library/crt-library-features?view=msvc-160#what-problems-exist-if-an-application-uses-more-than-one-crt-version
# https://wiki.qt.io/Technical_FAQ#Why_does_a_statically_built_Qt_use_the_dynamic_Visual_Studio_runtime_libraries_.3F_Do_I_need_to_deploy_those_with_my_application_.3F
if ( USE_MSVC_STATIC_CRT AND CMAKE_BUILD_TYPE MATCHES "Debug" )
message ( AUTHOR_WARNING "Debug build currently can not work with static CRT." )
endif ( )
endif ( )
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if ( NOT CMAKE_SIZEOF_VOID_P EQUAL 8 )
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message ( FATAL_ERROR "RPCS3 can only be compiled on 64-bit platforms." )
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endif ( )
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find_program ( CCACHE_FOUND ccache )
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if ( CCACHE_FOUND )
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set_property ( GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache )
set_property ( GLOBAL PROPERTY RULE_LAUNCH_LINK ccache )
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endif ( )
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if ( WIN32 )
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add_definitions ( -DUNICODE )
add_definitions ( -D_WIN32_WINNT=0x0602 )
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endif ( )
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if ( APPLE )
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include_directories ( /opt/local/include )
link_directories ( /opt/local/lib )
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endif ( )
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# Warnings are silenced for 3rdparty code
set ( CMAKE_CXX_FLAGS -w )
set ( CMAKE_C_FLAGS -w )
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set ( LLVM_ENABLE_WARNINGS OFF CACHE BOOL "" )
if ( MSVC )
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add_compile_options ( /wd4530 /utf-8 ) # C++ exception handler used, but unwind semantics are not enabled
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endif ( )
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add_subdirectory ( 3rdparty )
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unset ( CMAKE_CXX_FLAGS )
unset ( CMAKE_C_FLAGS )
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if ( NOT WIN32 )
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add_compile_options ( -pthread )
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endif ( )
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# TODO: do real installation, including copying directory structure
set ( CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE "${PROJECT_BINARY_DIR}/bin" )
set ( CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG "${PROJECT_BINARY_DIR}/bin" )
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set ( CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO "${PROJECT_BINARY_DIR}/bin" )
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set ( CMAKE_EXPORT_COMPILE_COMMANDS ON )
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add_subdirectory ( rpcs3 )