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https://github.com/RPCS3/rpcs3.git
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78 lines
2.5 KiB
CMake
78 lines
2.5 KiB
CMake
if(WITH_LLVM)
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CHECK_CXX_COMPILER_FLAG("-msse -msse2 -mcx16" COMPILER_X86)
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CHECK_CXX_COMPILER_FLAG("-march=armv8-a+lse" COMPILER_ARM)
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if(BUILD_LLVM)
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message(STATUS "LLVM will be built from the submodule.")
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set(LLVM_TARGETS_TO_BUILD "AArch64;X86")
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option(LLVM_BUILD_RUNTIME OFF)
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option(LLVM_BUILD_TOOLS OFF)
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option(LLVM_INCLUDE_BENCHMARKS OFF)
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option(LLVM_INCLUDE_DOCS OFF)
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option(LLVM_INCLUDE_EXAMPLES OFF)
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option(LLVM_INCLUDE_TESTS OFF)
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option(LLVM_INCLUDE_TOOLS OFF)
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option(LLVM_INCLUDE_UTILS OFF)
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option(LLVM_CCACHE_BUILD ON)
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if(WIN32)
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set(LLVM_USE_INTEL_JITEVENTS ON)
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endif()
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if(CMAKE_SYSTEM MATCHES "Linux")
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set(LLVM_USE_INTEL_JITEVENTS ON)
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set(LLVM_USE_PERF ON)
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endif()
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set(CXX_FLAGS_OLD ${CMAKE_CXX_FLAGS})
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if (MSVC)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /D _SILENCE_ALL_CXX17_DEPRECATION_WARNINGS")
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endif()
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# LLVM needs to be built out-of-tree
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add_subdirectory(${CMAKE_SOURCE_DIR}/3rdparty/llvm/llvm ${CMAKE_CURRENT_BINARY_DIR}/3rdparty/llvm/llvm_build EXCLUDE_FROM_ALL)
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set(LLVM_DIR "${CMAKE_CURRENT_BINARY_DIR}/3rdparty/llvm/llvm_build/lib/cmake/llvm/")
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set(CMAKE_CXX_FLAGS ${CXX_FLAGS_OLD})
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# now tries to find LLVM again
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find_package(LLVM 16.0 CONFIG)
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if(NOT LLVM_FOUND)
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message(FATAL_ERROR "Couldn't build LLVM from the submodule. You might need to run `git submodule update --init`")
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endif()
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else()
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message(STATUS "Using prebuilt or system LLVM")
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if (LLVM_DIR AND NOT IS_ABSOLUTE "${LLVM_DIR}")
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# change relative LLVM_DIR to be relative to the source dir
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set(LLVM_DIR ${CMAKE_SOURCE_DIR}/${LLVM_DIR})
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endif()
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find_package(LLVM 16.0 CONFIG)
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if (NOT LLVM_FOUND)
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if (LLVM_VERSION AND LLVM_VERSION_MAJOR LESS 16)
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message(FATAL_ERROR "Found LLVM version ${LLVM_VERSION}. Required version 16. \
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Enable BUILD_LLVM option to build LLVM from included as a git submodule.")
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endif()
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message(FATAL_ERROR "Can't find LLVM libraries from the CMAKE_PREFIX_PATH path or LLVM_DIR. \
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Enable BUILD_LLVM option to build LLVM from included as a git submodule.")
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endif()
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endif()
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set(LLVM_LIBS LLVM)
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add_library(3rdparty_llvm INTERFACE)
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target_link_libraries(3rdparty_llvm INTERFACE ${LLVM_LIBS})
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target_include_directories(3rdparty_llvm INTERFACE ${LLVM_INCLUDE_DIRS})
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target_compile_definitions(3rdparty_llvm INTERFACE ${LLVM_DEFINITIONS} -DLLVM_AVAILABLE)
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add_library(3rdparty::llvm ALIAS 3rdparty_llvm)
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else()
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add_library(3rdparty::llvm ALIAS 3rdparty_dummy_lib)
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endif()
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