rpcs3/3rdparty/llvm/CMakeLists.txt
2023-08-15 20:56:39 +02:00

100 lines
3.4 KiB
CMake

if(WITH_LLVM)
check_cxx_compiler_flag("-msse -msse2 -mcx16" COMPILER_X86)
check_cxx_compiler_flag("-march=armv8-a+lse" COMPILER_ARM)
if(BUILD_LLVM)
message(STATUS "LLVM will be built from the submodule.")
set(LLVM_TARGETS_TO_BUILD "AArch64;X86" CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
option(LLVM_BUILD_RUNTIME OFF)
option(LLVM_BUILD_TOOLS OFF)
option(LLVM_INCLUDE_BENCHMARKS OFF)
option(LLVM_INCLUDE_DOCS OFF)
option(LLVM_INCLUDE_EXAMPLES OFF)
option(LLVM_INCLUDE_TESTS OFF)
option(LLVM_INCLUDE_TOOLS OFF)
option(LLVM_INCLUDE_UTILS OFF)
option(LLVM_CCACHE_BUILD ON)
set(LLVM_ENABLE_WARNINGS OFF CACHE BOOL "Enable compiler warnings.")
if(WIN32)
set(LLVM_USE_INTEL_JITEVENTS ON)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
set(LLVM_USE_INTEL_JITEVENTS ON)
set(LLVM_USE_PERF ON)
endif()
if (MSVC)
add_compile_definitions("$<$<COMPILE_LANGUAGE:CXX>:_SILENCE_ALL_CXX17_DEPRECATION_WARNINGS>")
endif()
# LLVM needs to be built out-of-tree
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/llvm/llvm ${CMAKE_CURRENT_BINARY_DIR}/llvm_build EXCLUDE_FROM_ALL)
set(LLVM_DIR "${CMAKE_CURRENT_BINARY_DIR}/llvm_build/lib/cmake/llvm/")
set(STATIC_LINK_LLVM ON CACHE BOOL "Link against LLVM statically. This will get set to ON if you build LLVM from the submodule." FORCE)
# now tries to find LLVM again
find_package(LLVM 16.0 CONFIG)
if(NOT LLVM_FOUND)
message(FATAL_ERROR "Couldn't build LLVM from the submodule. You might need to run `git submodule update --init`")
endif()
else()
message(STATUS "Using prebuilt or system LLVM")
if (LLVM_DIR AND NOT IS_ABSOLUTE "${LLVM_DIR}")
# change relative LLVM_DIR to be relative to the source dir
set(LLVM_DIR ${CMAKE_SOURCE_DIR}/${LLVM_DIR})
endif()
find_package(LLVM 16.0 CONFIG)
if (NOT LLVM_FOUND)
if (LLVM_VERSION AND LLVM_VERSION_MAJOR LESS 16)
message(FATAL_ERROR "Found LLVM version ${LLVM_VERSION}. Required version 16. \
Enable BUILD_LLVM option to build LLVM from included as a git submodule.")
endif()
message(FATAL_ERROR "Can't find LLVM libraries from the CMAKE_PREFIX_PATH path or LLVM_DIR. \
Enable BUILD_LLVM option to build LLVM from included as a git submodule.")
endif()
endif()
if (STATIC_LINK_LLVM)
if (NOT DEFINED LLVM_TARGETS_TO_BUILD)
if(COMPILER_ARM)
set(LLVM_TARGETS_TO_BUILD "AArch64;X86" CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
else()
set(LLVM_TARGETS_TO_BUILD "X86" CACHE STRING "Semicolon-separated list of targets to build, or \"all\".")
endif()
endif()
if((WIN32 AND BUILD_LLVM) OR CMAKE_SYSTEM_NAME STREQUAL "Linux")
list (APPEND LLVM_ADDITIONAL_LIBS IntelJITEvents)
endif()
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
list (APPEND LLVM_ADDITIONAL_LIBS PerfJITEvents)
endif()
llvm_map_components_to_libnames(LLVM_LIBS
${LLVM_TARGETS_TO_BUILD}
${LLVM_ADDITIONAL_LIBS}
Core
ExecutionEngine
MCJIT
)
else()
set(LLVM_LIBS LLVM)
endif()
add_library(3rdparty_llvm INTERFACE)
target_link_libraries(3rdparty_llvm INTERFACE ${LLVM_LIBS})
target_include_directories(3rdparty_llvm INTERFACE ${LLVM_INCLUDE_DIRS})
separate_arguments(LLVM_DEFINITIONS_LIST NATIVE_COMMAND ${LLVM_DEFINITIONS})
target_compile_definitions(3rdparty_llvm INTERFACE ${LLVM_DEFINITIONS_LIST} LLVM_AVAILABLE)
add_library(3rdparty::llvm ALIAS 3rdparty_llvm)
else()
add_library(3rdparty::llvm ALIAS 3rdparty_dummy_lib)
endif()