zig/cmake/Findllvm.cmake
2024-09-19 18:20:21 -07:00

389 lines
15 KiB
CMake

# Copyright (c) 2014 Andrew Kelley
# This file is MIT licensed.
# See http://opensource.org/licenses/MIT
# LLVM_FOUND
# LLVM_INCLUDE_DIRS
# LLVM_LIBRARIES
# LLVM_LIBDIRS
# LLVM_LINK_MODE
if(ZIG_USE_LLVM_CONFIG)
set(LLVM_CONFIG_ERROR_MESSAGES "")
while(1)
# If this variable is not unset, the same result is returned even though
# the ignore list has changed, causing the configure process to not
# terminate when the right LLVM version is not found.
unset(LLVM_CONFIG_EXE CACHE)
find_program(LLVM_CONFIG_EXE
NAMES llvm-config-19 llvm-config-19.0 llvm-config190 llvm-config19 llvm-config NAMES_PER_DIR
PATHS
"/mingw64/bin"
"/c/msys64/mingw64/bin"
"c:/msys64/mingw64/bin"
"C:/Libraries/llvm-19.0.0/bin")
if ("${LLVM_CONFIG_EXE}" STREQUAL "LLVM_CONFIG_EXE-NOTFOUND")
if (NOT LLVM_CONFIG_ERROR_MESSAGES STREQUAL "")
list(JOIN LLVM_CONFIG_ERROR_MESSAGES "\n" LLVM_CONFIG_ERROR_MESSAGE)
message(FATAL_ERROR ${LLVM_CONFIG_ERROR_MESSAGE})
else()
message(FATAL_ERROR "unable to find llvm-config")
endif()
endif()
# Check that this LLVM is the right version
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --version
OUTPUT_VARIABLE LLVM_CONFIG_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
get_filename_component(LLVM_CONFIG_DIR "${LLVM_CONFIG_EXE}" DIRECTORY)
if("${LLVM_CONFIG_VERSION}" VERSION_LESS 19 OR "${LLVM_CONFIG_VERSION}" VERSION_EQUAL 20 OR "${LLVM_CONFIG_VERSION}" VERSION_GREATER 20)
# Save the error message, in case this is the last llvm-config we find
list(APPEND LLVM_CONFIG_ERROR_MESSAGES "expected LLVM 19.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}")
# Ignore this directory and try the search again
list(APPEND CMAKE_IGNORE_PATH "${LLVM_CONFIG_DIR}")
continue()
endif()
# Check that this LLVM supports linking as a shared/static library, if requested
if (ZIG_SHARED_LLVM OR ZIG_STATIC_LLVM)
if (ZIG_SHARED_LLVM)
set(STATIC_OR_SHARED_LINK "--link-shared")
elseif (ZIG_STATIC_LLVM)
set(STATIC_OR_SHARED_LINK "--link-static")
endif()
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --libs ${STATIC_OR_SHARED_LINK}
OUTPUT_QUIET
ERROR_VARIABLE LLVM_CONFIG_ERROR
ERROR_STRIP_TRAILING_WHITESPACE)
if (LLVM_CONFIG_ERROR)
# Save the error message, in case this is the last llvm-config we find
if (ZIG_SHARED_LLVM)
list(APPEND LLVM_CONFIG_ERROR_MESSAGES "LLVM 19.x found at ${LLVM_CONFIG_EXE} does not support linking as a shared library")
else()
list(APPEND LLVM_CONFIG_ERROR_MESSAGES "LLVM 19.x found at ${LLVM_CONFIG_EXE} does not support linking as a static library")
endif()
# Ignore this directory and try the search again
list(APPEND CMAKE_IGNORE_PATH "${LLVM_CONFIG_DIR}")
continue()
endif()
endif()
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --targets-built
OUTPUT_VARIABLE LLVM_TARGETS_BUILT_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_TARGETS_BUILT "${LLVM_TARGETS_BUILT_SPACES}")
set(ZIG_LLVM_REQUIRED_TARGETS "AArch64;AMDGPU;ARM;AVR;BPF;Hexagon;Lanai;Mips;MSP430;NVPTX;PowerPC;RISCV;Sparc;SystemZ;VE;WebAssembly;X86;XCore")
set(ZIG_LLVM_REQUIRED_TARGETS_ENABLED TRUE)
foreach(TARGET_NAME IN LISTS ZIG_LLVM_REQUIRED_TARGETS)
list (FIND LLVM_TARGETS_BUILT "${TARGET_NAME}" _index)
if (${_index} EQUAL -1)
# Save the error message, in case this is the last llvm-config we find
list(APPEND LLVM_CONFIG_ERROR_MESSAGES "LLVM (according to ${LLVM_CONFIG_EXE}) is missing target ${TARGET_NAME}. Zig requires LLVM to be built with all default targets enabled.")
# Ignore this directory and try the search again
list(APPEND CMAKE_IGNORE_PATH "${LLVM_CONFIG_DIR}")
set(ZIG_LLVM_REQUIRED_TARGETS_ENABLED FALSE)
break()
endif()
endforeach()
if (NOT ZIG_LLVM_REQUIRED_TARGETS_ENABLED)
continue()
endif()
# Got it!
break()
endwhile()
if(ZIG_SHARED_LLVM OR ZIG_STATIC_LLVM)
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --libfiles ${STATIC_OR_SHARED_LINK}
OUTPUT_VARIABLE LLVM_LIBRARIES_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_LIBRARIES "${LLVM_LIBRARIES_SPACES}")
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --libdir ${STATIC_OR_SHARED_LINK}
OUTPUT_VARIABLE LLVM_LIBDIRS_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_LIBDIRS "${LLVM_LIBDIRS_SPACES}")
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --system-libs ${STATIC_OR_SHARED_LINK}
OUTPUT_VARIABLE LLVM_SYSTEM_LIBS_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS_SPACES}")
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --shared-mode ${STATIC_OR_SHARED_LINK}
OUTPUT_VARIABLE LLVM_LINK_MODE
OUTPUT_STRIP_TRAILING_WHITESPACE)
else()
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --libs
OUTPUT_VARIABLE LLVM_LIBRARIES_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_LIBRARIES "${LLVM_LIBRARIES_SPACES}")
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --libdir
OUTPUT_VARIABLE LLVM_LIBDIRS_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_LIBDIRS "${LLVM_LIBDIRS_SPACES}")
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --system-libs
OUTPUT_VARIABLE LLVM_SYSTEM_LIBS_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS_SPACES}")
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --shared-mode
OUTPUT_VARIABLE LLVM_LINK_MODE
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
if (${LLVM_LINK_MODE} STREQUAL "shared")
# We always ask for the system libs corresponding to static linking,
# since on some distros LLD is only available as a static library
# and we need these libraries to link it successfully
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --system-libs --link-static
OUTPUT_VARIABLE LLVM_STATIC_SYSTEM_LIBS_SPACES
ERROR_QUIET # Some installations have no static libs, we just ignore the failure
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_STATIC_SYSTEM_LIBS "${LLVM_STATIC_SYSTEM_LIBS_SPACES}")
set(LLVM_LIBRARIES ${LLVM_LIBRARIES} ${LLVM_SYSTEM_LIBS} ${LLVM_STATIC_SYSTEM_LIBS})
else()
set(LLVM_LIBRARIES ${LLVM_LIBRARIES} ${LLVM_SYSTEM_LIBS})
endif()
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --includedir
OUTPUT_VARIABLE LLVM_INCLUDE_DIRS_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_INCLUDE_DIRS "${LLVM_INCLUDE_DIRS_SPACES}")
link_directories("${LLVM_LIBDIRS}")
else()
# Here we assume that we're cross compiling with Zig, of course. No reason
# to support more complicated setups.
macro(FIND_AND_ADD_LLVM_LIB _libname_)
string(TOUPPER ${_libname_} _prettylibname_)
find_library(LLVM_${_prettylibname_}_LIB
NAMES ${_libname_} NAMES_PER_DIR)
set(LLVM_LIBRARIES ${LLVM_LIBRARIES} ${LLVM_${_prettylibname_}_LIB})
endmacro(FIND_AND_ADD_LLVM_LIB)
set(LLVM_LINK_MODE "static")
# This list can be re-generated with `llvm-config --libfiles` and then
# reformatting using your favorite text editor. Note we do not execute
# `llvm-config` here because we are cross compiling.
FIND_AND_ADD_LLVM_LIB(LLVMWindowsManifest)
FIND_AND_ADD_LLVM_LIB(LLVMXRay)
FIND_AND_ADD_LLVM_LIB(LLVMLibDriver)
FIND_AND_ADD_LLVM_LIB(LLVMDlltoolDriver)
FIND_AND_ADD_LLVM_LIB(LLVMTextAPIBinaryReader)
FIND_AND_ADD_LLVM_LIB(LLVMCoverage)
FIND_AND_ADD_LLVM_LIB(LLVMLineEditor)
FIND_AND_ADD_LLVM_LIB(LLVMSandboxIR)
FIND_AND_ADD_LLVM_LIB(LLVMXCoreDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMXCoreCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMXCoreDesc)
FIND_AND_ADD_LLVM_LIB(LLVMXCoreInfo)
FIND_AND_ADD_LLVM_LIB(LLVMX86TargetMCA)
FIND_AND_ADD_LLVM_LIB(LLVMX86Disassembler)
FIND_AND_ADD_LLVM_LIB(LLVMX86AsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMX86CodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMX86Desc)
FIND_AND_ADD_LLVM_LIB(LLVMX86Info)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyUtils)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyDesc)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyInfo)
FIND_AND_ADD_LLVM_LIB(LLVMVEDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMVEAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMVECodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMVEDesc)
FIND_AND_ADD_LLVM_LIB(LLVMVEInfo)
FIND_AND_ADD_LLVM_LIB(LLVMSystemZDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMSystemZAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMSystemZCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMSystemZDesc)
FIND_AND_ADD_LLVM_LIB(LLVMSystemZInfo)
FIND_AND_ADD_LLVM_LIB(LLVMSparcDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMSparcAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMSparcCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMSparcDesc)
FIND_AND_ADD_LLVM_LIB(LLVMSparcInfo)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVTargetMCA)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVDesc)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVInfo)
FIND_AND_ADD_LLVM_LIB(LLVMPowerPCDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMPowerPCAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMPowerPCCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMPowerPCDesc)
FIND_AND_ADD_LLVM_LIB(LLVMPowerPCInfo)
FIND_AND_ADD_LLVM_LIB(LLVMNVPTXCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMNVPTXDesc)
FIND_AND_ADD_LLVM_LIB(LLVMNVPTXInfo)
FIND_AND_ADD_LLVM_LIB(LLVMMSP430Disassembler)
FIND_AND_ADD_LLVM_LIB(LLVMMSP430AsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMMSP430CodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMMSP430Desc)
FIND_AND_ADD_LLVM_LIB(LLVMMSP430Info)
FIND_AND_ADD_LLVM_LIB(LLVMMipsDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMMipsAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMMipsCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMMipsDesc)
FIND_AND_ADD_LLVM_LIB(LLVMMipsInfo)
FIND_AND_ADD_LLVM_LIB(LLVMLoongArchDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMLoongArchAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMLoongArchCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMLoongArchDesc)
FIND_AND_ADD_LLVM_LIB(LLVMLoongArchInfo)
FIND_AND_ADD_LLVM_LIB(LLVMLanaiDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMLanaiCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMLanaiAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMLanaiDesc)
FIND_AND_ADD_LLVM_LIB(LLVMLanaiInfo)
FIND_AND_ADD_LLVM_LIB(LLVMHexagonDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMHexagonCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMHexagonAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMHexagonDesc)
FIND_AND_ADD_LLVM_LIB(LLVMHexagonInfo)
FIND_AND_ADD_LLVM_LIB(LLVMBPFDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMBPFAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMBPFCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMBPFDesc)
FIND_AND_ADD_LLVM_LIB(LLVMBPFInfo)
FIND_AND_ADD_LLVM_LIB(LLVMAVRDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMAVRAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMAVRCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMAVRDesc)
FIND_AND_ADD_LLVM_LIB(LLVMAVRInfo)
FIND_AND_ADD_LLVM_LIB(LLVMARMDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMARMAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMARMCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMARMDesc)
FIND_AND_ADD_LLVM_LIB(LLVMARMUtils)
FIND_AND_ADD_LLVM_LIB(LLVMARMInfo)
FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUTargetMCA)
FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUDesc)
FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUUtils)
FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUInfo)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64Disassembler)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64AsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64CodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64Desc)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64Utils)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64Info)
FIND_AND_ADD_LLVM_LIB(LLVMOrcDebugging)
FIND_AND_ADD_LLVM_LIB(LLVMOrcJIT)
FIND_AND_ADD_LLVM_LIB(LLVMWindowsDriver)
FIND_AND_ADD_LLVM_LIB(LLVMMCJIT)
FIND_AND_ADD_LLVM_LIB(LLVMJITLink)
FIND_AND_ADD_LLVM_LIB(LLVMInterpreter)
FIND_AND_ADD_LLVM_LIB(LLVMExecutionEngine)
FIND_AND_ADD_LLVM_LIB(LLVMRuntimeDyld)
FIND_AND_ADD_LLVM_LIB(LLVMOrcTargetProcess)
FIND_AND_ADD_LLVM_LIB(LLVMOrcShared)
FIND_AND_ADD_LLVM_LIB(LLVMDWP)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoLogicalView)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoGSYM)
FIND_AND_ADD_LLVM_LIB(LLVMOption)
FIND_AND_ADD_LLVM_LIB(LLVMObjectYAML)
FIND_AND_ADD_LLVM_LIB(LLVMObjCopy)
FIND_AND_ADD_LLVM_LIB(LLVMMCA)
FIND_AND_ADD_LLVM_LIB(LLVMMCDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMLTO)
FIND_AND_ADD_LLVM_LIB(LLVMPasses)
FIND_AND_ADD_LLVM_LIB(LLVMHipStdPar)
FIND_AND_ADD_LLVM_LIB(LLVMCFGuard)
FIND_AND_ADD_LLVM_LIB(LLVMCoroutines)
FIND_AND_ADD_LLVM_LIB(LLVMipo)
FIND_AND_ADD_LLVM_LIB(LLVMVectorize)
FIND_AND_ADD_LLVM_LIB(LLVMLinker)
FIND_AND_ADD_LLVM_LIB(LLVMInstrumentation)
FIND_AND_ADD_LLVM_LIB(LLVMFrontendOpenMP)
FIND_AND_ADD_LLVM_LIB(LLVMFrontendOffloading)
FIND_AND_ADD_LLVM_LIB(LLVMFrontendOpenACC)
FIND_AND_ADD_LLVM_LIB(LLVMFrontendHLSL)
FIND_AND_ADD_LLVM_LIB(LLVMFrontendDriver)
FIND_AND_ADD_LLVM_LIB(LLVMExtensions)
FIND_AND_ADD_LLVM_LIB(LLVMDWARFLinkerParallel)
FIND_AND_ADD_LLVM_LIB(LLVMDWARFLinkerClassic)
FIND_AND_ADD_LLVM_LIB(LLVMDWARFLinker)
FIND_AND_ADD_LLVM_LIB(LLVMCodeGenData)
FIND_AND_ADD_LLVM_LIB(LLVMGlobalISel)
FIND_AND_ADD_LLVM_LIB(LLVMMIRParser)
FIND_AND_ADD_LLVM_LIB(LLVMAsmPrinter)
FIND_AND_ADD_LLVM_LIB(LLVMSelectionDAG)
FIND_AND_ADD_LLVM_LIB(LLVMCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMTarget)
FIND_AND_ADD_LLVM_LIB(LLVMObjCARCOpts)
FIND_AND_ADD_LLVM_LIB(LLVMCodeGenTypes)
FIND_AND_ADD_LLVM_LIB(LLVMIRPrinter)
FIND_AND_ADD_LLVM_LIB(LLVMInterfaceStub)
FIND_AND_ADD_LLVM_LIB(LLVMFileCheck)
FIND_AND_ADD_LLVM_LIB(LLVMFuzzMutate)
FIND_AND_ADD_LLVM_LIB(LLVMScalarOpts)
FIND_AND_ADD_LLVM_LIB(LLVMInstCombine)
FIND_AND_ADD_LLVM_LIB(LLVMAggressiveInstCombine)
FIND_AND_ADD_LLVM_LIB(LLVMTransformUtils)
FIND_AND_ADD_LLVM_LIB(LLVMBitWriter)
FIND_AND_ADD_LLVM_LIB(LLVMAnalysis)
FIND_AND_ADD_LLVM_LIB(LLVMProfileData)
FIND_AND_ADD_LLVM_LIB(LLVMSymbolize)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoBTF)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoPDB)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoMSF)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoDWARF)
FIND_AND_ADD_LLVM_LIB(LLVMObject)
FIND_AND_ADD_LLVM_LIB(LLVMTextAPI)
FIND_AND_ADD_LLVM_LIB(LLVMMCParser)
FIND_AND_ADD_LLVM_LIB(LLVMIRReader)
FIND_AND_ADD_LLVM_LIB(LLVMAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMMC)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoCodeView)
FIND_AND_ADD_LLVM_LIB(LLVMBitReader)
FIND_AND_ADD_LLVM_LIB(LLVMFuzzerCLI)
FIND_AND_ADD_LLVM_LIB(LLVMCore)
FIND_AND_ADD_LLVM_LIB(LLVMRemarks)
FIND_AND_ADD_LLVM_LIB(LLVMBitstreamReader)
FIND_AND_ADD_LLVM_LIB(LLVMBinaryFormat)
FIND_AND_ADD_LLVM_LIB(LLVMTargetParser)
FIND_AND_ADD_LLVM_LIB(LLVMSupport)
FIND_AND_ADD_LLVM_LIB(LLVMDemangle)
get_filename_component(LLVM_LIBDIRS "${LLVM_LLVMCORE_LIB}" DIRECTORY)
find_path(LLVM_INCLUDE_DIRS NAMES llvm/IR/IRBuilder.h)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(llvm DEFAULT_MSG LLVM_LIBRARIES LLVM_INCLUDE_DIRS)
mark_as_advanced(LLVM_INCLUDE_DIRS LLVM_LIBRARIES LLVM_LIBDIRS)