mirror of
https://github.com/oven-sh/bun
synced 2026-02-02 15:08:46 +00:00
147 lines
3.9 KiB
CMake
147 lines
3.9 KiB
CMake
|
|
set(DEFAULT_ENABLE_LLVM ON)
|
|
|
|
# if target is bun-zig, set ENABLE_LLVM to OFF
|
|
if(TARGET bun-zig)
|
|
set(DEFAULT_ENABLE_LLVM OFF)
|
|
endif()
|
|
|
|
optionx(ENABLE_LLVM BOOL "If LLVM should be used for compilation" DEFAULT ${DEFAULT_ENABLE_LLVM})
|
|
|
|
if(NOT ENABLE_LLVM)
|
|
return()
|
|
endif()
|
|
|
|
set(DEFAULT_LLVM_VERSION "19.1.7")
|
|
|
|
optionx(LLVM_VERSION STRING "The version of LLVM to use" DEFAULT ${DEFAULT_LLVM_VERSION})
|
|
|
|
string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" USE_LLVM_VERSION ${LLVM_VERSION})
|
|
if(USE_LLVM_VERSION)
|
|
set(LLVM_VERSION_MAJOR ${CMAKE_MATCH_1})
|
|
set(LLVM_VERSION_MINOR ${CMAKE_MATCH_2})
|
|
set(LLVM_VERSION_PATCH ${CMAKE_MATCH_3})
|
|
endif()
|
|
|
|
set(LLVM_PATHS)
|
|
|
|
if(APPLE)
|
|
execute_process(
|
|
COMMAND brew --prefix
|
|
OUTPUT_VARIABLE HOMEBREW_PREFIX
|
|
OUTPUT_STRIP_TRAILING_WHITESPACE
|
|
ERROR_QUIET
|
|
)
|
|
|
|
if(NOT HOMEBREW_PREFIX)
|
|
if(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|ARM64|aarch64|AARCH64")
|
|
set(HOMEBREW_PREFIX /opt/homebrew)
|
|
else()
|
|
set(HOMEBREW_PREFIX /usr/local)
|
|
endif()
|
|
endif()
|
|
|
|
if(USE_LLVM_VERSION)
|
|
list(APPEND LLVM_PATHS ${HOMEBREW_PREFIX}/opt/llvm@${LLVM_VERSION_MAJOR}/bin)
|
|
endif()
|
|
|
|
list(APPEND LLVM_PATHS ${HOMEBREW_PREFIX}/opt/llvm/bin)
|
|
endif()
|
|
|
|
if(UNIX)
|
|
list(APPEND LLVM_PATHS /usr/lib/llvm/bin)
|
|
|
|
if(USE_LLVM_VERSION)
|
|
list(APPEND LLVM_PATHS
|
|
/usr/lib/llvm-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}/bin
|
|
/usr/lib/llvm-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}/bin
|
|
/usr/lib/llvm-${LLVM_VERSION_MAJOR}/bin
|
|
/usr/lib/llvm${LLVM_VERSION_MAJOR}/bin
|
|
)
|
|
endif()
|
|
endif()
|
|
|
|
macro(find_llvm_command variable command)
|
|
set(commands ${command})
|
|
|
|
if(USE_LLVM_VERSION)
|
|
list(APPEND commands
|
|
${command}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}
|
|
${command}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}
|
|
${command}-${LLVM_VERSION_MAJOR}
|
|
)
|
|
endif()
|
|
|
|
math(EXPR LLVM_VERSION_NEXT_MAJOR "${LLVM_VERSION_MAJOR} + 1")
|
|
|
|
find_command(
|
|
VARIABLE ${variable}
|
|
VERSION_VARIABLE LLVM_VERSION
|
|
COMMAND ${commands}
|
|
PATHS ${LLVM_PATHS}
|
|
VERSION ">=${LLVM_VERSION_MAJOR}.1.0 <${LLVM_VERSION_NEXT_MAJOR}.0.0"
|
|
)
|
|
list(APPEND CMAKE_ARGS -D${variable}=${${variable}})
|
|
endmacro()
|
|
|
|
macro(find_llvm_command_no_version variable command)
|
|
set(commands ${command})
|
|
|
|
if(USE_LLVM_VERSION)
|
|
list(APPEND commands
|
|
${command}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}
|
|
${command}-${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}
|
|
${command}-${LLVM_VERSION_MAJOR}
|
|
)
|
|
endif()
|
|
|
|
find_command(
|
|
VARIABLE ${variable}
|
|
VERSION_VARIABLE LLVM_VERSION
|
|
COMMAND ${commands}
|
|
PATHS ${LLVM_PATHS}
|
|
)
|
|
list(APPEND CMAKE_ARGS -D${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)
|
|
if (LINUX)
|
|
# On Linux, strip ends up being more useful for us.
|
|
find_command(
|
|
VARIABLE
|
|
CMAKE_STRIP
|
|
COMMAND
|
|
strip
|
|
REQUIRED
|
|
ON
|
|
)
|
|
else()
|
|
find_llvm_command(CMAKE_STRIP llvm-strip)
|
|
endif()
|
|
find_llvm_command(CMAKE_RANLIB llvm-ranlib)
|
|
if(LINUX)
|
|
find_llvm_command(LLD_PROGRAM ld.lld)
|
|
# Ensure vendor dependencies use lld instead of ld
|
|
list(APPEND CMAKE_ARGS -DCMAKE_EXE_LINKER_FLAGS=--ld-path=${LLD_PROGRAM})
|
|
list(APPEND CMAKE_ARGS -DCMAKE_SHARED_LINKER_FLAGS=--ld-path=${LLD_PROGRAM})
|
|
endif()
|
|
if(APPLE)
|
|
find_llvm_command(CMAKE_DSYMUTIL dsymutil)
|
|
endif()
|
|
endif()
|
|
|
|
if(ENABLE_ANALYSIS)
|
|
find_llvm_command(CLANG_FORMAT_PROGRAM clang-format)
|
|
find_llvm_command(CLANG_TIDY_PROGRAM clang-tidy)
|
|
endif()
|