### Select the build type # Use Release/Devel/Debug : -DCMAKE_BUILD_TYPE=Release|Devel|Debug # Enable/disable the stripping : -DCMAKE_BUILD_STRIP=TRUE|FALSE # generation .po based on src : -DCMAKE_BUILD_PO=TRUE|FALSE ### GCC optimization options # control C flags : -DUSER_CMAKE_C_FLAGS="cflags" # control C++ flags : -DUSER_CMAKE_CXX_FLAGS="cxxflags" # control link flags : -DUSER_CMAKE_LD_FLAGS="ldflags" #------------------------------------------------------------------------------- #------------------------------------------------------------------------------- # Misc option #------------------------------------------------------------------------------- option(DISABLE_BUILD_DATE "Disable including the binary compile date") option(ENABLE_TESTS "Enables building the unit tests" ON) option(USE_SYSTEM_YAML "Uses a system version of yaml, if found") if(DISABLE_BUILD_DATE OR openSUSE) message(STATUS "Disabling the inclusion of the binary compile date.") add_definitions(-DDISABLE_BUILD_DATE) endif() option(USE_VTUNE "Plug VTUNE to profile GS JIT.") #------------------------------------------------------------------------------- # Graphical option #------------------------------------------------------------------------------- option(REBUILD_SHADER "Rebuild GLSL/CG shader (developer option)") option(BUILD_REPLAY_LOADERS "Build GS replayer to ease testing (developer option)") #------------------------------------------------------------------------------- # Path and lib option #------------------------------------------------------------------------------- option(PACKAGE_MODE "Use this option to ease packaging of PCSX2 (developer/distribution option)") option(DISABLE_CHEATS_ZIP "Disable including the cheats_ws.zip file") option(DISABLE_PCSX2_WRAPPER "Disable including the PCSX2-linux.sh file") option(DISABLE_SETCAP "Do not set files capabilities") option(XDG_STD "Use XDG standard path instead of the standard PCSX2 path") option(PORTAUDIO_API "Build portaudio support on SPU2" ON) option(SDL2_API "Use SDL2 on SPU2 and PAD Linux (wxWidget mustn't be built with SDL1.2 support" ON) option(GTK2_API "Use GTK2 api (legacy)") if(PACKAGE_MODE) # Compile all source codes with those defines add_definitions( -DPLUGIN_DIR_COMPILATION=${CMAKE_INSTALL_FULL_LIBDIR}/PCSX2 -DGAMEINDEX_DIR_COMPILATION=${CMAKE_INSTALL_FULL_DATADIR}/PCSX2 -DDOC_DIR_COMPILATION=${CMAKE_INSTALL_FULL_DOCDIR} ) endif() if(APPLE) option(OSX_USE_DEFAULT_SEARCH_PATH "Don't prioritize system library paths" OFF) option(SKIP_POSTPROCESS_BUNDLE "Skip postprocessing bundle for redistributability" OFF) endif() #------------------------------------------------------------------------------- # Compiler extra #------------------------------------------------------------------------------- option(USE_ASAN "Enable address sanitizer") if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang") set(USE_CLANG TRUE) message(STATUS "Building with Clang/LLVM.") elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Intel") set(USE_ICC TRUE) message(STATUS "Building with Intel's ICC.") elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU") set(USE_GCC TRUE) message(STATUS "Building with GNU GCC") else() message(FATAL_ERROR "Unknown compiler: ${CMAKE_CXX_COMPILER_ID}") endif() #------------------------------------------------------------------------------- # Select the support of plugin #------------------------------------------------------------------------------- option(BUILTIN_GS "Disable support of GS plugin (developer option)") option(BUILTIN_PAD "Disable support of PAD plugin (developer option)") option(BUILTIN_USB "Disable support of USB plugin (developer option)") set(PLUGIN_SUPPORT "") if(BUILTIN_GS) set(PLUGIN_SUPPORT "${PLUGIN_SUPPORT} -DBUILTIN_GS_PLUGIN") endif() if(BUILTIN_PAD) set(PLUGIN_SUPPORT "${PLUGIN_SUPPORT} -DBUILTIN_PAD_PLUGIN") endif() if(BUILTIN_USB) set(PLUGIN_SUPPORT "${PLUGIN_SUPPORT} -DBUILTIN_USB_PLUGIN") endif() #------------------------------------------------------------------------------- # if no build type is set, use Devel as default # Note without the CMAKE_BUILD_TYPE options the value is still defined to "" # Ensure that the value set by the User is correct to avoid some bad behavior later #------------------------------------------------------------------------------- if(NOT CMAKE_BUILD_TYPE MATCHES "Debug|Devel|Release|Prof") set(CMAKE_BUILD_TYPE Devel) message(STATUS "BuildType set to ${CMAKE_BUILD_TYPE} by default") endif() # AVX2 doesn't play well with gdb if(CMAKE_BUILD_TYPE MATCHES "Debug") SET(DISABLE_ADVANCE_SIMD ON) endif() # Initially strip was disabled on release build but it is not stackstrace friendly! # It only cost several MB so disbable it by default option(CMAKE_BUILD_STRIP "Srip binaries to save a couple of MB (developer option)") if(NOT DEFINED CMAKE_BUILD_PO) if(CMAKE_BUILD_TYPE STREQUAL "Release") set(CMAKE_BUILD_PO TRUE) message(STATUS "Enable the building of po files by default in ${CMAKE_BUILD_TYPE} build !!!") else() set(CMAKE_BUILD_PO FALSE) message(STATUS "Disable the building of po files by default in ${CMAKE_BUILD_TYPE} build !!!") endif() endif() #------------------------------------------------------------------------------- # Select the architecture #------------------------------------------------------------------------------- option(DISABLE_ADVANCE_SIMD "Disable advance use of SIMD (SSE2+ & AVX)" OFF) # Print if we are cross compiling. if(CMAKE_CROSSCOMPILING) message(STATUS "Cross compilation is enabled.") else() message(STATUS "Cross compilation is disabled.") endif() # Architecture bitness detection include(TargetArch) target_architecture(PCSX2_TARGET_ARCHITECTURES) if(${PCSX2_TARGET_ARCHITECTURES} MATCHES "x86_64" OR ${PCSX2_TARGET_ARCHITECTURES} MATCHES "i386") message(STATUS "Compiling a ${PCSX2_TARGET_ARCHITECTURES} build on a ${CMAKE_HOST_SYSTEM_PROCESSOR} host.") else() message(FATAL_ERROR "Unsupported architecture: ${PCSX2_TARGET_ARCHITECTURES}") endif() if(${PCSX2_TARGET_ARCHITECTURES} MATCHES "i386") # * -fPIC option was removed for multiple reasons. # - Code only supports the x86 architecture. # - code uses the ebx register so it's not compliant with PIC. # - Impacts the performance too much. # - Only plugins. No package will link to them. set(CMAKE_POSITION_INDEPENDENT_CODE OFF) if(NOT DEFINED ARCH_FLAG) if (DISABLE_ADVANCE_SIMD) if (USE_ICC) set(ARCH_FLAG "-msse2 -msse4.1") else() set(ARCH_FLAG "-msse -msse2 -msse4.1 -mfxsr -march=i686") endif() else() # AVX requires some fix of the ABI (mangling) (default 2) # Note: V6 requires GCC 4.7 #set(ARCH_FLAG "-march=native -fabi-version=6") set(ARCH_FLAG "-mfxsr -march=native") endif() endif() add_definitions(-D_ARCH_32=1 -D_M_X86=1 -D_M_X86_32=1) set(_ARCH_32 1) set(_M_X86 1) set(_M_X86_32 1) elseif(${PCSX2_TARGET_ARCHITECTURES} MATCHES "x86_64") # x86_64 requires -fPIC set(CMAKE_POSITION_INDEPENDENT_CODE ON) if(NOT DEFINED ARCH_FLAG) if (DISABLE_ADVANCE_SIMD) if (USE_ICC) set(ARCH_FLAG "-msse2 -msse4.1") else() set(ARCH_FLAG "-msse -msse2 -msse4.1 -mfxsr") endif() else() #set(ARCH_FLAG "-march=native -fabi-version=6") set(ARCH_FLAG "-march=native") endif() endif() add_definitions(-D_ARCH_64=1 -D_M_X86=1 -D_M_X86_64=1 -D__M_X86_64=1) set(_ARCH_64 1) set(_M_X86 1) set(_M_X86_64 1) else() # All but i386 requires -fPIC set(CMAKE_POSITION_INDEPENDENT_CODE ON) message(FATAL_ERROR "Unsupported architecture: ${PCSX2_TARGET_ARCHITECTURES}") endif() #------------------------------------------------------------------------------- # Control GCC flags #------------------------------------------------------------------------------- ### Cmake set default value for various compilation variable ### Here the list of default value for documentation purpose # ${CMAKE_SHARED_LIBRARY_CXX_FLAGS} = "-fPIC" # ${CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS} = "-rdynamic" # # ${CMAKE_C_FLAGS} = "-g -O2" # ${CMAKE_CXX_FLAGS} = "-g -O2" # Use in debug mode # ${CMAKE_CXX_FLAGS_DEBUG} = "-g" # Use in release mode # ${CMAKE_CXX_FLAGS_RELEASE} = "-O3 -DNDEBUG" #------------------------------------------------------------------------------- # Do not use default cmake flags #------------------------------------------------------------------------------- set(CMAKE_C_FLAGS_DEBUG "") set(CMAKE_CXX_FLAGS_DEBUG "") set(CMAKE_C_FLAGS_DEVEL "") set(CMAKE_CXX_FLAGS_DEVEL "") set(CMAKE_C_FLAGS_RELEASE "") set(CMAKE_CXX_FLAGS_RELEASE "") #------------------------------------------------------------------------------- # Remove bad default option #------------------------------------------------------------------------------- # Remove -rdynamic option that can some segmentation fault when openining pcsx2 plugins set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "") if(${PCSX2_TARGET_ARCHITECTURES} MATCHES "i386") # Remove -fPIC option on 32bit architectures. # No good reason to use it for plugins, also it impacts performance. set(CMAKE_SHARED_LIBRARY_C_FLAGS "") set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "") endif() #------------------------------------------------------------------------------- # Set some default compiler flags #------------------------------------------------------------------------------- option(USE_LTO "Enable LTO optimization") option(USE_PGO_GENERATE "Enable PGO optimization (generate profile)") option(USE_PGO_OPTIMIZE "Enable PGO optimization (use profile)") # Note1: Builtin strcmp/memcmp was proved to be slower on Mesa than stdlib version. # Note2: float operation SSE is impacted by the PCSX2 SSE configuration. In particular, flush to zero denormal. set(COMMON_FLAG "-pipe -fvisibility=hidden -pthread -fno-builtin-strcmp -fno-builtin-memcmp -mfpmath=sse -fno-operator-names") if(USE_VTUNE) set(COMMON_FLAG "${COMMON_FLAG} -DENABLE_VTUNE") endif() # Remove FORTIFY_SOURCE when compiling as debug, because it spams a lot of warnings on clang due to no optimization. # Should probably be checked on gcc as well, as the USE_CLANG might not be needed. if (USE_CLANG AND CMAKE_BUILD_TYPE MATCHES "Debug") set(HARDENING_FLAG "-Wformat -Wformat-security") else() set(HARDENING_FLAG "-D_FORTIFY_SOURCE=2 -Wformat -Wformat-security") endif() # -Wno-attributes: "always_inline function might not be inlinable" <= real spam (thousand of warnings!!!) # -Wno-missing-field-initializers: standard allow to init only the begin of struct/array in static init. Just a silly warning. # Note: future GCC (aka GCC 5.1.1) has less false positive so warning could maybe put back # -Wno-unused-function: warn for function not used in release build # -Wno-unused-value: lots of warning for this kind of statements "0 && ...". There are used to disable some parts of code in release/dev build. # -Wno-overloaded-virtual: Gives a fair number of warnings under clang over in the wxwidget gui section of the code. # -Wno-deprecated-declarations: The USB plugins dialogs are written in straight gtk 2, which gives a million deprecated warnings. Suppress them until we can deal with them. # -Wno-format*: Yeah, these need to be taken care of, but... # -Wno-stringop-truncation: Who comes up with these compiler warnings, anyways? # -Wno-stringop-overflow: Probably the same people as this one... set(DEFAULT_WARNINGS "-Wall -Wextra -Wno-attributes -Wno-unused-function -Wno-unused-parameter -Wno-missing-field-initializers -Wno-deprecated-declarations -Wno-format -Wno-format-security -Wno-overloaded-virtual") if (NOT USE_ICC) set(DEFAULT_WARNINGS "${DEFAULT_WARNINGS} -Wno-unused-value ") endif() if (USE_CLANG) set(DEFAULT_WARNINGS "${DEFAULT_WARNINGS} -Wno-overloaded-virtual ") endif() if (USE_GCC) set(DEFAULT_WARNINGS "${DEFAULT_WARNINGS} -Wno-stringop-truncation -Wno-stringop-overflow ") endif() # -Wstrict-aliasing=n: to fix one day aliasing issue. n=1/2/3 if (USE_ICC) set(AGGRESSIVE_WARNING "-Wstrict-aliasing ") else() set(AGGRESSIVE_WARNING "-Wstrict-aliasing -Wstrict-overflow=1 ") endif() if (USE_CLANG) # -Wno-deprecated-register: glib issue... set(DEFAULT_WARNINGS "${DEFAULT_WARNINGS} -Wno-deprecated-register -Wno-c++14-extensions") set(DBG "-g -fno-omit-frame-pointer") elseif (USE_ICC) set(DBG "-g -fno-omit-frame-pointer") elseif (USE_GCC) set(DBG "-ggdb3 -fno-omit-frame-pointer") endif() if (USE_LTO) include(ProcessorCount) ProcessorCount(ncpu) set(LTO_FLAGS "-fuse-linker-plugin -flto=${ncpu}") set(DBG "") # not supported with LTO set(CMAKE_AR /usr/bin/gcc-ar CACHE STRING "Archiver" FORCE) set(CMAKE_RANLIB /usr/bin/gcc-ranlib CACHE STRING "ranlib" FORCE) set(CMAKE_NM /usr/bin/gcc-nm CACHE STRING "nm" FORCE) else() set(LTO_FLAGS "") endif() if (USE_PGO_GENERATE OR USE_PGO_OPTIMIZE) set(PGO_FLAGS "-fprofile-dir=${CMAKE_SOURCE_DIR}/profile") endif() if (USE_PGO_GENERATE) set(PGO_FLAGS "${PGO_FLAGS} -fprofile-generate") endif() if(USE_PGO_OPTIMIZE) set(PGO_FLAGS "${PGO_FLAGS} -fprofile-use") endif() if(CMAKE_BUILD_TYPE MATCHES "Debug") set(DEBUG_FLAG "${DBG} -DPCSX2_DEVBUILD -DPCSX2_DEBUG -D_DEBUG") elseif(CMAKE_BUILD_TYPE MATCHES "Devel") set(DEBUG_FLAG "${DBG} -DNDEBUG -DPCSX2_DEVBUILD -D_DEVEL") elseif(CMAKE_BUILD_TYPE MATCHES "Release") set(DEBUG_FLAG "-DNDEBUG") elseif(CMAKE_BUILD_TYPE MATCHES "Prof") # Keep frame pointer and debug information for profiler tool set(DEBUG_FLAG "-g -fno-omit-frame-pointer -DNDEBUG") endif() if (USE_ASAN) set(ASAN_FLAG "-fsanitize=address ${DBG} -DASAN_WORKAROUND") else() set(ASAN_FLAG "") endif() if(NOT DEFINED OPTIMIZATION_FLAG) if (CMAKE_BUILD_TYPE STREQUAL Debug) if (USE_GCC) set(OPTIMIZATION_FLAG -Og) else() set(OPTIMIZATION_FLAG -O0) endif() else() set(OPTIMIZATION_FLAG -O2) endif() endif() if (NOT DEFINED PGO) set(PGO "none") set(GCOV_LIBRARIES "") else() set(GCOV_LIBRARIES "-lgcov") endif() if(USE_CLANG) if(TIMETRACE) set(COMMON_FLAG "${COMMON_FLAG} -ftime-trace ") endif() endif() # 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 # Disabling the hardening flags for the moment, as they spam quite a bit. ${HARDENING_FLAG} set(DEFAULT_GCC_FLAG "${ARCH_FLAG} ${COMMON_FLAG} ${DEFAULT_WARNINGS} ${AGGRESSIVE_WARNING} ${DEBUG_FLAG} ${ASAN_FLAG} ${OPTIMIZATION_FLAG} ${LTO_FLAGS} ${PGO_FLAGS} ${PLUGIN_SUPPORT}") # c++ only flags set(DEFAULT_CPP_FLAG "${DEFAULT_GCC_FLAG} -Wno-invalid-offsetof") #------------------------------------------------------------------------------- # Allow user to set some default flags # Note: string STRIP must be used to remove trailing and leading spaces. # See policy CMP0004 #------------------------------------------------------------------------------- # TODO: once we completely clean all flags management, this mess could be cleaned ;) ### linker flags if(DEFINED USER_CMAKE_LD_FLAGS) message(STATUS "Pcsx2 is very sensible with gcc flags, so use USER_CMAKE_LD_FLAGS at your own risk !!!") string(STRIP "${USER_CMAKE_LD_FLAGS}" USER_CMAKE_LD_FLAGS) else() set(USER_CMAKE_LD_FLAGS "") endif() # ask the linker to strip the binary if(CMAKE_BUILD_STRIP) string(STRIP "${USER_CMAKE_LD_FLAGS} -s" USER_CMAKE_LD_FLAGS) endif() ### c flags # Note CMAKE_C_FLAGS is also send to the linker. # By default allow build on amd64 machine if(DEFINED USER_CMAKE_C_FLAGS) message(STATUS "Pcsx2 is very sensible with gcc flags, so use USER_CMAKE_C_FLAGS at your own risk !!!") string(STRIP "${USER_CMAKE_C_FLAGS}" CMAKE_C_FLAGS) endif() # Use some default machine flags string(STRIP "${CMAKE_C_FLAGS} ${DEFAULT_GCC_FLAG}" CMAKE_C_FLAGS) ### C++ flags # Note CMAKE_CXX_FLAGS is also send to the linker. # By default allow build on amd64 machine if(DEFINED USER_CMAKE_CXX_FLAGS) message(STATUS "Pcsx2 is very sensible with gcc flags, so use USER_CMAKE_CXX_FLAGS at your own risk !!!") string(STRIP "${USER_CMAKE_CXX_FLAGS}" CMAKE_CXX_FLAGS) endif() # Use some default machine flags string(STRIP "${CMAKE_CXX_FLAGS} ${DEFAULT_CPP_FLAG}" CMAKE_CXX_FLAGS) #------------------------------------------------------------------------------- # MacOS-specific things #------------------------------------------------------------------------------- set(CMAKE_OSX_DEPLOYMENT_TARGET 10.9) if (APPLE AND ${CMAKE_OSX_DEPLOYMENT_TARGET} VERSION_LESS 10.14) # Older versions of the macOS stdlib don't have operator new(size_t, align_val_t) # Disable use of them with this flag # Not great, but also no worse that what we were getting before we turned on C++17 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-aligned-allocation") endif() # CMake defaults the suffix for modules to .so on macOS but wx tells us that the # extension is .dylib (so that's what we search for) if(APPLE) set(CMAKE_SHARED_MODULE_SUFFIX ".dylib") endif() if(CMAKE_SYSTEM_NAME MATCHES "Darwin") if(NOT OSX_USE_DEFAULT_SEARCH_PATH) # Hack up the path to prioritize the path to built-in OS libraries to # increase the chance of not depending on a bunch of copies of them # installed by MacPorts, Fink, Homebrew, etc, and ending up copying # them into the bundle. Since we depend on libraries which are not # part of OS X (wx, etc.), however, don't remove the default path # entirely. This is still kinda evil, since it defeats the user's # path settings... # See http://www.cmake.org/cmake/help/v3.0/command/find_program.html list(APPEND CMAKE_PREFIX_PATH "/usr") endif() set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-dead_strip,-dead_strip_dylibs") set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,-dead_strip,-dead_strip_dylibs") endif()