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cmake_minimum_required(VERSION 3.12)
project(dynarmic LANGUAGES C CXX ASM VERSION 6.6.3)
# Determine if we're built as a subproject (using add_subdirectory)
# or if this is the master project.
set(MASTER_PROJECT OFF)
if (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR)
set(MASTER_PROJECT ON)
endif()
if (MASTER_PROJECT)
include(CTest)
endif()
# Dynarmic project options
option(DYNARMIC_ENABLE_CPU_FEATURE_DETECTION "Turning this off causes dynarmic to assume the host CPU doesn't support anything later than SSE3" ON)
option(DYNARMIC_ENABLE_NO_EXECUTE_SUPPORT "Enables support for systems that require W^X" OFF)
option(DYNARMIC_FATAL_ERRORS "Errors are fatal" OFF)
option(DYNARMIC_IGNORE_ASSERTS "Ignore asserts" OFF)
option(DYNARMIC_TESTS "Build tests" ${BUILD_TESTING})
option(DYNARMIC_TESTS_USE_UNICORN "Enable fuzzing tests against unicorn" OFF)
option(DYNARMIC_USE_LLVM "Support disassembly of jitted x86_64 code using LLVM" OFF)
option(DYNARMIC_USE_PRECOMPILED_HEADERS "Use precompiled headers" ON)
option(DYNARMIC_USE_BUNDLED_EXTERNALS "Use all bundled externals (useful when e.g. cross-compiling)" OFF)
option(DYNARMIC_WARNINGS_AS_ERRORS "Warnings as errors" ${MASTER_PROJECT})
if (NOT DEFINED DYNARMIC_FRONTENDS)
set(DYNARMIC_FRONTENDS "A32;A64" CACHE STRING "Selects which frontends to enable")
endif()
# Default to a Release build
if (NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
message(STATUS "Defaulting to a Release build")
endif()
# Set hard requirements for C++
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
# Disable in-source builds
set(CMAKE_DISABLE_SOURCE_CHANGES ON)
set(CMAKE_DISABLE_IN_SOURCE_BUILD ON)
if ("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_BINARY_DIR}")
message(SEND_ERROR "In-source builds are not allowed.")
endif()
# Add the module directory to the list of paths
list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/CMakeModules")
# Compiler flags
if (MSVC)
set(DYNARMIC_CXX_FLAGS
/experimental:external
/external:W0
/external:anglebrackets
/W4
/w44263 # Non-virtual member function hides base class virtual function
/w44265 # Class has virtual functions, but destructor is not virtual
/w44456 # Declaration of 'var' hides previous local declaration
/w44457 # Declaration of 'var' hides function parameter
/w44458 # Declaration of 'var' hides class member
/w44459 # Declaration of 'var' hides global definition
/w44946 # Reinterpret-cast between related types
/wd4592 # Symbol will be dynamically initialized (implementation limitation)
/permissive- # Stricter C++ standards conformance
/MP
/Zi
/Zo
/EHsc
/Zc:externConstexpr # Allows external linkage for variables declared "extern constexpr", as the standard permits.
/Zc:inline # Omits inline functions from object-file output.
/Zc:throwingNew # Assumes new (without std::nothrow) never returns null.
/volatile:iso # Use strict standard-abiding volatile semantics
/bigobj # Increase number of sections in .obj files
/DNOMINMAX)
if (DYNARMIC_WARNINGS_AS_ERRORS)
list(APPEND DYNARMIC_CXX_FLAGS
/WX)
endif()
if (${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
list(APPEND DYNARMIC_CXX_FLAGS
-Qunused-arguments
-Wno-missing-braces)
endif()
else()
set(DYNARMIC_CXX_FLAGS
-Wall
-Wextra
-Wcast-qual
-pedantic
-Wno-missing-braces)
if (DYNARMIC_WARNINGS_AS_ERRORS)
list(APPEND DYNARMIC_CXX_FLAGS
-pedantic-errors
-Werror)
endif()
if (DYNARMIC_FATAL_ERRORS)
list(APPEND DYNARMIC_CXX_FLAGS
-Wfatal-errors)
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "GNU")
# GCC produces bogus -Warray-bounds warnings from xbyak headers for code paths that are not
# actually reachable. Specifically, it happens in cases where some code casts an Operand&
# to Address& after first checking isMEM(), and that code is inlined in a situation where
# GCC knows that the variable is actually a Reg64. isMEM() will never return true for a
# Reg64, but GCC doesn't know that.
list(APPEND DYNARMIC_CXX_FLAGS -Wno-array-bounds)
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
# Bracket depth determines maximum size of a fold expression in Clang since 9c9974c3ccb6.
# And this in turns limits the size of a std::array.
list(APPEND DYNARMIC_CXX_FLAGS -fbracket-depth=1024)
endif()
endif()
# Arch detection
include(DetectArchitecture)
if (NOT DEFINED ARCHITECTURE)
message(FATAL_ERROR "Unsupported architecture encountered. Ending CMake generation.")
endif()
message(STATUS "Target architecture: ${ARCHITECTURE}")
# Forced use of individual bundled libraries for non-REQUIRED library is possible with e.g. cmake -DCMAKE_DISABLE_FIND_PACKAGE_fmt=ON ...
if (DYNARMIC_USE_BUNDLED_EXTERNALS)
set(CMAKE_DISABLE_FIND_PACKAGE_Catch2 ON)
set(CMAKE_DISABLE_FIND_PACKAGE_fmt ON)
set(CMAKE_DISABLE_FIND_PACKAGE_mcl ON)
set(CMAKE_DISABLE_FIND_PACKAGE_oaknut ON)
set(CMAKE_DISABLE_FIND_PACKAGE_tsl-robin-map ON)
set(CMAKE_DISABLE_FIND_PACKAGE_xbyak ON)
set(CMAKE_DISABLE_FIND_PACKAGE_Zydis ON)
endif()
find_package(Boost 1.57 REQUIRED)
find_package(fmt 9 CONFIG)
find_package(mcl 0.1.12 EXACT CONFIG)
find_package(tsl-robin-map CONFIG)
if ("arm64" IN_LIST ARCHITECTURE OR DYNARMIC_TESTS)
find_package(oaknut 2.0.1 CONFIG)
endif()
if ("x86_64" IN_LIST ARCHITECTURE)
find_package(xbyak 7 CONFIG)
find_package(Zydis 4 CONFIG)
endif()
if (DYNARMIC_USE_LLVM)
find_package(LLVM REQUIRED)
separate_arguments(LLVM_DEFINITIONS)
endif()
if (DYNARMIC_TESTS)
find_package(Catch2 3 CONFIG)
if (DYNARMIC_TESTS_USE_UNICORN)
find_package(Unicorn REQUIRED)
endif()
endif()
# Pull in externals CMakeLists for libs where available
add_subdirectory(externals)
# Dynarmic project files
add_subdirectory(src/dynarmic)
if (DYNARMIC_TESTS)
add_subdirectory(tests)
endif()
#
# Install
#
include(GNUInstallDirs)
include(CMakePackageConfigHelpers)
install(TARGETS dynarmic EXPORT dynarmicTargets)
install(EXPORT dynarmicTargets
NAMESPACE dynarmic::
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/dynarmic"
)
configure_package_config_file(CMakeModules/dynarmicConfig.cmake.in
dynarmicConfig.cmake
INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/dynarmic"
)
write_basic_package_version_file(dynarmicConfigVersion.cmake
COMPATIBILITY SameMajorVersion
)
install(FILES
"${CMAKE_CURRENT_BINARY_DIR}/dynarmicConfig.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/dynarmicConfigVersion.cmake"
DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/dynarmic"
)
install(DIRECTORY src/dynarmic TYPE INCLUDE FILES_MATCHING PATTERN "*.h")
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