Files
bun.sh/cmake/tools/SetupLLVM.cmake
2024-09-10 17:01:40 -07:00

68 lines
1.9 KiB
CMake

include(Macros)
if(CMAKE_HOST_WIN32 OR CMAKE_HOST_APPLE)
set(DEFAULT_LLVM_VERSION "18.1.8")
else()
set(DEFAULT_LLVM_VERSION "16.0.6")
endif()
optionx(LLVM_VERSION STRING "The version of LLVM to use" DEFAULT ${DEFAULT_LLVM_VERSION})
parse_semver(${LLVM_VERSION} LLVM)
if(APPLE)
execute_process(
COMMAND brew --prefix llvm@${LLVM_VERSION_MAJOR}
OUTPUT_VARIABLE DEFAULT_LLVM_PREFIX
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET
)
if(NOT DEFAULT_LLVM_PREFIX)
set(DEFAULT_LLVM_PREFIX /opt/homebrew/opt/llvm)
endif()
elseif(NOT WIN32)
set(DEFAULT_LLVM_PREFIX /usr/lib/llvm-${LLVM_VERSION_MAJOR})
else()
set(DEFAULT_LLVM_PREFIX /usr/lib)
endif()
optionx(LLVM_PREFIX FILEPATH "The path to the LLVM installation" DEFAULT ${DEFAULT_LLVM_PREFIX})
set(LLVM_PATH ${LLVM_PREFIX}/bin)
macro(find_llvm_command VARIABLE COMMAND)
find_command(
VARIABLE ${VARIABLE}
COMMAND ${COMMAND} ${COMMAND}-${LLVM_VERSION_MAJOR}
PATHS ${LLVM_PATH}
VERSION ${LLVM_VERSION}
)
list(APPEND CMAKE_ARGS -D${VARIABLE}=${${VARIABLE}})
endmacro()
macro(find_llvm_command_no_version VARIABLE COMMAND)
find_command(
VARIABLE ${VARIABLE}
COMMAND ${COMMAND} ${COMMAND}-${LLVM_VERSION_MAJOR}
PATHS ${LLVM_PATH}
REQUIRED ON
)
list(APPEND CMAKE_ARGS -D${VARIABLE}=${${VARIABLE}})
endmacro()
if(WIN32)
find_llvm_command(CMAKE_C_COMPILER clang-cl)
find_llvm_command(CMAKE_CXX_COMPILER clang-cl)
find_llvm_command_no_version(CMAKE_LINKER lld-link)
find_llvm_command_no_version(CMAKE_AR llvm-lib)
find_llvm_command_no_version(CMAKE_STRIP llvm-strip)
else()
find_llvm_command(CMAKE_C_COMPILER clang)
find_llvm_command(CMAKE_CXX_COMPILER clang++)
find_llvm_command(CMAKE_LINKER llvm-link)
find_llvm_command(CMAKE_AR llvm-ar)
find_llvm_command(CMAKE_STRIP llvm-strip)
find_llvm_command(CMAKE_RANLIB llvm-ranlib)
if(APPLE)
find_llvm_command(CMAKE_DSYMUTIL dsymutil)
endif()
endif()