mirror of
https://github.com/libretro/pcsx2.git
synced 2024-12-13 21:28:38 +00:00
364 lines
15 KiB
CMake
364 lines
15 KiB
CMake
### TODO
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# Hardcode GAMEINDEX_DIR, if default is fine for everybody
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### Select the build type
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# Use Release/Devel/Debug : -DCMAKE_BUILD_TYPE=Release|Devel|Debug
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# Enable/disable the stripping : -DCMAKE_BUILD_STRIP=TRUE|FALSE
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# generation .po based on src : -DCMAKE_BUILD_PO=TRUE|FALSE
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### GCC optimization options
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# control C flags : -DUSER_CMAKE_C_FLAGS="cflags"
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# control C++ flags : -DUSER_CMAKE_CXX_FLAGS="cxxflags"
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# control link flags : -DUSER_CMAKE_LD_FLAGS="ldflags"
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### Packaging options
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# Plugin installation path : -DPLUGIN_DIR="/usr/lib/pcsx2"
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# GL Shader installation path : -DGLSL_SHADER_DIR="/usr/share/games/pcsx2"
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# Game DB installation path : -DGAMEINDEX_DIR="/usr/share/games/pcsx2"
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#-------------------------------------------------------------------------------
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#-------------------------------------------------------------------------------
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# Misc option
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#-------------------------------------------------------------------------------
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option(DISABLE_SVU "Disable superVU (don't use it)")
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option(DISABLE_BUILD_DATE "Disable including the binary compile date")
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if(DISABLE_BUILD_DATE OR openSUSE)
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message(STATUS "Disabling the inclusion of the binary compile date.")
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add_definitions(-DDISABLE_BUILD_DATE)
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endif()
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#-------------------------------------------------------------------------------
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# Graphical option
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#-------------------------------------------------------------------------------
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option(GLSL_API "Replace ZZogl CG backend by GLSL (experimental option)")
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option(EGL_API "Use EGL on ZZogl/GSdx (experimental/developer option)")
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option(REBUILD_SHADER "Rebuild GLSL/CG shader (developer option)")
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option(BUILD_REPLAY_LOADERS "Build GS replayer to ease testing (developer option)")
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#-------------------------------------------------------------------------------
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# Path and lib option
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#-------------------------------------------------------------------------------
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option(PACKAGE_MODE "Use this option to ease packaging of PCSX2 (developer/distribution option)")
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option(DISABLE_CHEATS_ZIP "Disable including the cheats_ws.zip file")
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option(DISABLE_PCSX2_WRAPPER "Disable including the PCSX2-linux.sh file")
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option(XDG_STD "Use XDG standard path instead of the standard PCSX2 path")
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option(EXTRA_PLUGINS "Build various 'extra' plugins")
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option(SDL2_API "Use SDL2 on spu2x and onepad (wxWidget mustn't be built with SDL1.2 support" ON)
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option(GTK3_API "Use GTK3 api (experimental/wxWidget must be built with GTK3 support)")
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if(PACKAGE_MODE)
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if(NOT DEFINED PLUGIN_DIR)
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set(PLUGIN_DIR "${CMAKE_INSTALL_PREFIX}/lib/games/PCSX2")
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endif()
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if(NOT DEFINED GAMEINDEX_DIR)
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set(GAMEINDEX_DIR "${CMAKE_INSTALL_PREFIX}/share/games/PCSX2")
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endif()
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if(NOT DEFINED BIN_DIR)
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set(BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin")
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endif()
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if(NOT DEFINED DOC_DIR)
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set(DOC_DIR "${CMAKE_INSTALL_PREFIX}/share/doc/PCSX2")
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endif()
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# Compile all source codes with those defines
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add_definitions(-DPLUGIN_DIR_COMPILATION=${PLUGIN_DIR} -DGAMEINDEX_DIR_COMPILATION=${GAMEINDEX_DIR} -DDOC_DIR_COMPILATION=${DOC_DIR})
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endif()
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#-------------------------------------------------------------------------------
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# Compiler extra
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#-------------------------------------------------------------------------------
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option(USE_ASAN "Enable address sanitizer")
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if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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set(USE_CLANG TRUE)
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message(STATUS "Building with Clang/LLVM.")
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endif()
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#-------------------------------------------------------------------------------
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# Select the architecture
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#-------------------------------------------------------------------------------
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option(DISABLE_ADVANCE_SIMD "Disable advance use of SIMD (SSE2+ & AVX)" OFF)
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# Print if we are cross compiling.
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if(CMAKE_CROSSCOMPILING)
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message(STATUS "Cross compilation is enabled.")
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else()
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message(STATUS "Cross compilation is disabled.")
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endif()
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# Architecture bitness detection
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include(TargetArch)
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target_architecture(PCSX2_TARGET_ARCHITECTURES)
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if(${PCSX2_TARGET_ARCHITECTURES} MATCHES "x86_64" OR ${PCSX2_TARGET_ARCHITECTURES} MATCHES "i386")
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if(${PCSX2_TARGET_ARCHITECTURES} MATCHES "x86_64" AND (CMAKE_BUILD_TYPE MATCHES "Release" OR PACKAGE_MODE))
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message(FATAL_ERROR "
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The code for ${PCSX2_TARGET_ARCHITECTURES} support is not ready yet.
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For now compile with -DCMAKE_TOOLCHAIN_FILE=cmake/linux-compiler-i386-multilib.cmake
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or with
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--cross-multilib passed to build.sh")
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endif()
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message(STATUS "Compiling a ${PCSX2_TARGET_ARCHITECTURES} build on a ${CMAKE_HOST_SYSTEM_PROCESSOR} host.")
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else()
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message(FATAL_ERROR "Unsupported architecture: ${PCSX2_TARGET_ARCHITECTURES}")
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endif()
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# Print a clear message that most architectures are not supported
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if(NOT (${PCSX2_TARGET_ARCHITECTURES} MATCHES "i386"))
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message(WARNING "
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PCSX2 does not support the ${PCSX2_TARGET_ARCHITECTURES} architecture and has no plans yet to support it.
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It would need a complete rewrite of the core emulator and a lot of time.
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You can still run a i386 binary if you install all the i386 libraries (runtime and dev).")
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endif()
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if(${PCSX2_TARGET_ARCHITECTURES} MATCHES "i386")
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# * -fPIC option was removed for multiple reasons.
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# - Code only supports the x86 architecture.
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# - code uses the ebx register so it's not compliant with PIC.
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# - Impacts the performance too much.
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# - Only plugins. No package will link to them.
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set(CMAKE_POSITION_INDEPENDENT_CODE OFF)
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if(NOT DEFINED ARCH_FLAG)
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if (DISABLE_ADVANCE_SIMD)
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set(ARCH_FLAG "-msse -msse2 -mfxsr -march=i686")
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else()
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# AVX requires some fix of the ABI (mangling) (default 2)
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# Note: V6 requires GCC 4.7
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#set(ARCH_FLAG "-march=native -fabi-version=6")
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set(ARCH_FLAG "-march=native")
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endif()
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endif()
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add_definitions(-D_ARCH_32=1 -D_M_X86=1 -D_M_X86_32=1)
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set(_ARCH_32 1)
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set(_M_X86 1)
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set(_M_X86_32 1)
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elseif(${PCSX2_TARGET_ARCHITECTURES} MATCHES "x86_64")
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# x86_64 requires -fPIC
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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# SuperVU will not be ported
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set(DISABLE_SVU TRUE)
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if(NOT DEFINED ARCH_FLAG)
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if (DISABLE_ADVANCE_SIMD)
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set(ARCH_FLAG "-msse -msse2 -mfxsr")
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else()
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#set(ARCH_FLAG "-march=native -fabi-version=6")
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set(ARCH_FLAG "-march=native")
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endif()
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endif()
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add_definitions(-D_ARCH_64=1 -D_M_X86=1 -D_M_X86_64=1)
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set(_ARCH_64 1)
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set(_M_X86 1)
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set(_M_X86_64 1)
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else()
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# All but i386 requires -fPIC
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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message(FATAL_ERROR "Unsupported architecture: ${PCSX2_TARGET_ARCHITECTURES}")
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endif()
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#-------------------------------------------------------------------------------
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# if no build type is set, use Devel as default
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# Note without the CMAKE_BUILD_TYPE options the value is still defined to ""
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# Ensure that the value set by the User is correct to avoid some bad behavior later
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#-------------------------------------------------------------------------------
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if(NOT CMAKE_BUILD_TYPE MATCHES "Debug|Devel|Release")
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set(CMAKE_BUILD_TYPE Devel)
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message(STATUS "BuildType set to ${CMAKE_BUILD_TYPE} by default")
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endif()
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# Initially strip was disabled on release build but it is not stackstrace friendly!
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# It only cost several MB so disbable it by default
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option(CMAKE_BUILD_STRIP "Srip binaries to save a couple of MB (developer option)")
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if(NOT DEFINED CMAKE_BUILD_PO)
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if(CMAKE_BUILD_TYPE STREQUAL "Release")
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set(CMAKE_BUILD_PO TRUE)
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message(STATUS "Enable the building of po files by default in ${CMAKE_BUILD_TYPE} build !!!")
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else()
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set(CMAKE_BUILD_PO FALSE)
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message(STATUS "Disable the building of po files by default in ${CMAKE_BUILD_TYPE} build !!!")
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endif()
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endif()
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#-------------------------------------------------------------------------------
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# Control GCC flags
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#-------------------------------------------------------------------------------
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### Cmake set default value for various compilation variable
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### Here the list of default value for documentation purpose
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# ${CMAKE_SHARED_LIBRARY_CXX_FLAGS} = "-fPIC"
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# ${CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS} = "-rdynamic"
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#
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# ${CMAKE_C_FLAGS} = "-g -O2"
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# ${CMAKE_CXX_FLAGS} = "-g -O2"
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# Use in debug mode
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# ${CMAKE_CXX_FLAGS_DEBUG} = "-g"
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# Use in release mode
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# ${CMAKE_CXX_FLAGS_RELEASE} = "-O3 -DNDEBUG"
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#-------------------------------------------------------------------------------
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# Do not use default cmake flags
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#-------------------------------------------------------------------------------
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set(CMAKE_C_FLAGS_DEBUG "")
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set(CMAKE_CXX_FLAGS_DEBUG "")
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set(CMAKE_C_FLAGS_DEVEL "")
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set(CMAKE_CXX_FLAGS_DEVEL "")
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set(CMAKE_C_FLAGS_RELEASE "")
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set(CMAKE_CXX_FLAGS_RELEASE "")
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#-------------------------------------------------------------------------------
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# Remove bad default option
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#-------------------------------------------------------------------------------
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# Remove -rdynamic option that can some segmentation fault when openining pcsx2 plugins
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set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "")
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set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "")
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if(${PCSX2_TARGET_ARCHITECTURES} MATCHES "i386")
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# Remove -fPIC option on 32bit architectures.
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# No good reason to use it for plugins, also it impacts performance.
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set(CMAKE_SHARED_LIBRARY_C_FLAGS "")
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set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "")
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endif()
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#-------------------------------------------------------------------------------
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# Set some default compiler flags
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#-------------------------------------------------------------------------------
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option(USE_LTO "Enable LTO optimization (will likely break the build)")
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# Note1: Builtin strcmp/memcmp was proved to be slower on Mesa than stdlib version.
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# Note2: float operation SSE is impacted by the PCSX2 SSE configuration. In particular, flush to zero denormal.
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set(COMMON_FLAG "-pipe -fvisibility=hidden -pthread -fno-builtin-strcmp -fno-builtin-memcmp -mfpmath=sse")
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if (DISABLE_SVU)
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set(COMMON_FLAG "${COMMON_FLAG} -DDISABLE_SVU")
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endif()
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set(HARDENING_FLAG "-D_FORTIFY_SOURCE=2 -Wformat -Wformat-security")
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# -Wno-attributes: "always_inline function might not be inlinable" <= real spam (thousand of warnings!!!)
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# -Wno-missing-field-initializers: standard allow to init only the begin of struct/array in static init. Just a silly warning.
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# -Wno-unused-function: warn for function not used in release build
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# -Wno-unused-variable: just annoying to manage different level of logging, a couple of extra var won't kill any serious compiler.
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# -Wno-unused-value: lots of warning for this kind of statements "0 && ...". There are used to disable some parts of code in release/dev build.
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set(DEFAULT_WARNINGS "-Wall -Wno-attributes -Wno-missing-field-initializers -Wno-unused-function -Wno-unused-parameter -Wno-unused-variable -Wno-unused-value ")
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# -Wstrict-aliasing=n: to fix one day aliasing issue. n=1/2/3
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set(AGGRESSIVE_WARNING "-Wstrict-aliasing -Wstrict-overflow=2 ")
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if (USE_CLANG)
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# -Wno-deprecated-register: glib issue...
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set(DEFAULT_WARNINGS "${DEFAULT_WARNINGS} -Wno-deprecated-register -Wno-c++14-extensions")
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if (NOT APPLE)
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set(COMMON_FLAG "${COMMON_FLAG} -no-integrated-as")
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endif()
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set(DBG "-g -fno-omit-frame-pointer")
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else()
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set(DBG "-ggdb3 -fno-omit-frame-pointer")
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endif()
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if (USE_LTO)
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#gcc --print-file-name=liblto_plugin.so
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#set(LTO_FLAGS "-fuse-linker-plugin -flto=4 --plugin=/usr/lib/gcc/x86_64-linux-gnu/4.9/liblto_plugin.so")
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#set(LTO_FLAGS "-fuse-linker-plugin -fuse-ld=gold -flto=4 --plugin=/usr/lib/gcc/x86_64-linux-gnu/4.9/liblto_plugin.so")
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set(LTO_FLAGS "-fuse-linker-plugin -fuse-ld=gold -flto=4")
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#set(LINK_FLAGS "--plugin=/usr/lib/gcc/x86_64-linux-gnu/4.9/liblto_plugin.so")
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set(USER_CMAKE_LD_FLAGS "--plugin /usr/lib/gcc/x86_64-linux-gnu/4.9/liblto_plugin.so")
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set(DBG "") # not supported with LTO
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else()
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set(LTO_FLAGS "")
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endif()
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if(CMAKE_BUILD_TYPE MATCHES "Debug")
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set(DEBUG_FLAG "${DBG} -DPCSX2_DEVBUILD -DPCSX2_DEBUG -D_DEBUG")
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elseif(CMAKE_BUILD_TYPE MATCHES "Devel")
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set(DEBUG_FLAG "${DBG} -DNDEBUG -DPCSX2_DEVBUILD -D_DEVEL")
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elseif(CMAKE_BUILD_TYPE MATCHES "Release")
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set(DEBUG_FLAG "-DNDEBUG")
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elseif(CMAKE_BUILD_TYPE MATCHES "Prof")
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# Keep frame pointer and debug information for profiler tool
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set(DEBUG_FLAG "${DBG} -DNDEBUG")
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endif()
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if (USE_ASAN)
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set(ASAN_FLAG "-fsanitize=address ${DBG} -DASAN_WORKAROUND")
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else()
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set(ASAN_FLAG "")
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endif()
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if(NOT DEFINED OPTIMIZATION_FLAG)
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if (CMAKE_BUILD_TYPE STREQUAL Debug)
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if (USE_CLANG)
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set(OPTIMIZATION_FLAG -O0)
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else()
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set(OPTIMIZATION_FLAG -Og)
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endif()
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else()
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set(OPTIMIZATION_FLAG -O2)
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endif()
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endif()
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if (NOT DEFINED PGO)
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set(PGO "none")
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set(GCOV_LIBRARIES "")
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else()
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set(GCOV_LIBRARIES "-lgcov")
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endif()
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# Note: -DGTK_DISABLE_DEPRECATED can be used to test a build without gtk deprecated feature. It could be useful to port to a newer API
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set(DEFAULT_GCC_FLAG "${ARCH_FLAG} ${COMMON_FLAG} ${DEFAULT_WARNINGS} ${AGGRESSIVE_WARNING} ${HARDENING_FLAG} ${DEBUG_FLAG} ${ASAN_FLAG} ${OPTIMIZATION_FLAG} ${LTO_FLAGS}")
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# c++ only flags
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set(DEFAULT_CPP_FLAG "${DEFAULT_GCC_FLAG} -std=c++11 -Wno-invalid-offsetof")
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#-------------------------------------------------------------------------------
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# Allow user to set some default flags
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# Note: string STRIP must be used to remove trailing and leading spaces.
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# See policy CMP0004
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#-------------------------------------------------------------------------------
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# TODO: once we completely clean all flags management, this mess could be cleaned ;)
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### linker flags
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if(DEFINED USER_CMAKE_LD_FLAGS)
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message(STATUS "Pcsx2 is very sensible with gcc flags, so use USER_CMAKE_LD_FLAGS at your own risk !!!")
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string(STRIP "${USER_CMAKE_LD_FLAGS}" USER_CMAKE_LD_FLAGS)
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else()
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set(USER_CMAKE_LD_FLAGS "")
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endif()
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# ask the linker to strip the binary
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if(CMAKE_BUILD_STRIP)
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string(STRIP "${USER_CMAKE_LD_FLAGS} -s" USER_CMAKE_LD_FLAGS)
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endif()
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### c flags
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# Note CMAKE_C_FLAGS is also send to the linker.
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# By default allow build on amd64 machine
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if(DEFINED USER_CMAKE_C_FLAGS)
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message(STATUS "Pcsx2 is very sensible with gcc flags, so use USER_CMAKE_C_FLAGS at your own risk !!!")
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string(STRIP "${USER_CMAKE_C_FLAGS}" CMAKE_C_FLAGS)
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endif()
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# Use some default machine flags
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string(STRIP "${CMAKE_C_FLAGS} ${DEFAULT_GCC_FLAG}" CMAKE_C_FLAGS)
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### C++ flags
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# Note CMAKE_CXX_FLAGS is also send to the linker.
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# By default allow build on amd64 machine
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if(DEFINED USER_CMAKE_CXX_FLAGS)
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message(STATUS "Pcsx2 is very sensible with gcc flags, so use USER_CMAKE_CXX_FLAGS at your own risk !!!")
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string(STRIP "${USER_CMAKE_CXX_FLAGS}" CMAKE_CXX_FLAGS)
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endif()
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# Use some default machine flags
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string(STRIP "${CMAKE_CXX_FLAGS} ${DEFAULT_CPP_FLAG}" CMAKE_CXX_FLAGS)
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#-------------------------------------------------------------------------------
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# Too much user/packager use experimental flags as release flags
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#-------------------------------------------------------------------------------
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if(CMAKE_BUILD_TYPE MATCHES "Release" OR PACKAGE_MODE)
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if (GTK3_API)
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message(FATAL_ERROR "GTK3 is highly experimental besides it requires a wxWidget built with __WXGTK3__ support !!!")
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endif()
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endif()
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