mirror of
https://github.com/FEX-Emu/FEX.git
synced 2025-01-05 13:00:34 +00:00
6d58ea31b9
Forces disabling use of __attribute__((preserve_all)). Until CI uses clang17, where this attribute was added, instcountci fails when FEX is compiled with clang>=17.
115 lines
3.2 KiB
CMake
115 lines
3.2 KiB
CMake
cmake_minimum_required(VERSION 3.14)
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set (PROJECT_NAME FEXCore)
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project(${PROJECT_NAME}
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VERSION 0.01
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LANGUAGES CXX)
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if (CMAKE_SYSTEM_PROCESSOR MATCHES "x86_64")
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set(_M_X86_64 1)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcx16")
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endif()
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if (CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64|^arm64|^armv8\.*")
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set(_M_ARM_64 1)
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endif()
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option(ENABLE_CLANG_FORMAT "Run clang format over the source" FALSE)
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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cmake_policy(SET CMP0083 NEW) # Follow new PIE policy
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include(CheckPIESupported)
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check_pie_supported()
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set(CMAKE_INCLUDE_CURRENT_DIR ON)
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include(CheckCXXCompilerFlag)
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include(CheckIncludeFileCXX)
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include(CheckCXXSourceCompiles)
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# Clang17 introduced __attribute__((preserve_all)).
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# This is a performance improvement for x87 insts (ref: https://github.com/FEX-Emu/FEX/pull/3120)
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# However since CI doesn't use clang17 yet, this is unsupported in instcountci.
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# If you use clang17, you need to force disable of preserve_all to see instcountci passing.
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# Use -DDISABLE_CLANG_PRESERVE_ALL=TRUE to force disable.
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option(DISABLE_CLANG_PRESERVE_ALL "Force disable clang::preserve_all" OFF)
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set(CMAKE_REQUIRED_FLAGS "-std=c++11 -Wattributes -Werror=attributes")
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check_cxx_source_compiles(
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"
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__attribute__((preserve_all))
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void Testy() {
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}
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int main() {
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return 0;
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}"
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HAS_CLANG_PRESERVE_ALL)
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unset(CMAKE_REQUIRED_FLAGS)
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if (HAS_CLANG_PRESERVE_ALL)
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if (MINGW_BUILD)
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message(STATUS "Ignoring broken clang::preserve_all support")
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set(HAS_CLANG_PRESERVE_ALL FALSE)
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else()
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message(STATUS "Has clang::preserve_all")
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endif()
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else()
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message(STATUS "UNSUPPORTED clang::preserve_all")
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endif()
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if (DISABLE_CLANG_PRESERVE_ALL AND HAS_CLANG_PRESERVE_ALL)
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message(STATUS "Support for clang::preserve_all available, but disabled")
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set(HAS_CLANG_PRESERVE_ALL FALSE)
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endif()
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if (EXISTS ${CMAKE_CURRENT_DIR}/External/vixl/)
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# Useful to have for freestanding libFEXCore
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add_subdirectory(External/vixl/)
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include_directories(External/vixl/src/)
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endif()
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set(CMAKE_CXX_STANDARD 20)
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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set(GIT_SHORT_HASH "Unknown")
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set(GIT_DESCRIBE_STRING "FEX-Unknown")
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if (OVERRIDE_VERSION STREQUAL "detect")
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# Find our git hash
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find_package(Git)
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if (GIT_FOUND)
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execute_process(
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COMMAND ${GIT_EXECUTABLE} rev-parse --short=7 HEAD
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WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
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OUTPUT_VARIABLE GIT_SHORT_HASH
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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execute_process(
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COMMAND ${GIT_EXECUTABLE} describe --abbrev=7
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WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
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OUTPUT_VARIABLE GIT_DESCRIBE_STRING
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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endif()
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else()
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set(GIT_SHORT_HASH "${OVERRIDE_VERSION}")
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set(GIT_DESCRIBE_STRING "FEX-${OVERRIDE_VERSION}")
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endif()
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configure_file(
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${CMAKE_CURRENT_SOURCE_DIR}/include/git_version.h.in
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${CMAKE_BINARY_DIR}/generated/git_version.h)
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include_directories(${CMAKE_BINARY_DIR}/generated)
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add_compile_options(-fno-exceptions)
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add_subdirectory(Source/)
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install (DIRECTORY include/FEXCore ${CMAKE_BINARY_DIR}/include/FEXCore
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DESTINATION include
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COMPONENT Development)
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if (BUILD_TESTS)
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add_subdirectory(unittests/)
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endif()
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