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zig/cmake/Findllvm.cmake
Andrew Kelley 4e9894cfc4 cmake build: allow overriding whether to use llvm-config 
Previously, there was an option ZIG_PREFER_LLVM_CONFIG which would
override the default of not using llvm-config when cross compiling.

That option is now removed in favor of the more powerful
ZIG_USE_LLVM_CONFIG which defaults to OFF for cross compiling and ON for
native compilation. The option overrides the default.

This will be used in zig-bootstrap to improve support for native builds.
2021-03-13 14:30:56 -07:00

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CMake
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# 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
find_path(LLVM_INCLUDE_DIRS NAMES llvm/IR/IRBuilder.h
PATHS
/usr/lib/llvm/11/include
/usr/lib/llvm-11/include
/usr/lib/llvm-11.0/include
/usr/local/llvm11/include
/usr/local/llvm110/include
/mingw64/include
)
if(ZIG_PREFER_CLANG_CPP_DYLIB)
find_library(LLVM_LIBRARIES
NAMES
LLVM-11.0
LLVM-11
LLVM-110
LLVM
PATHS
${LLVM_LIBDIRS}
/usr/lib/llvm/11/lib
/usr/lib/llvm/11/lib64
/usr/lib/llvm-11/lib
/usr/local/llvm11/lib
/usr/local/llvm110/lib
)
find_program(LLVM_CONFIG_EXE
NAMES llvm-config-11 llvm-config-11.0 llvm-config110 llvm-config11 llvm-config
PATHS
"/mingw64/bin"
"/c/msys64/mingw64/bin"
"c:/msys64/mingw64/bin"
"C:/Libraries/llvm-11.0.0/bin")
if ("${LLVM_CONFIG_EXE}" STREQUAL "LLVM_CONFIG_EXE-NOTFOUND")
message(FATAL_ERROR "unable to find llvm-config")
endif()
if ("${LLVM_CONFIG_EXE}" STREQUAL "LLVM_CONFIG_EXE-NOTFOUND")
message(FATAL_ERROR "unable to find llvm-config")
endif()
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --version
OUTPUT_VARIABLE LLVM_CONFIG_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
if("${LLVM_CONFIG_VERSION}" VERSION_LESS 11)
message(FATAL_ERROR "expected LLVM 11.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}")
endif()
if("${LLVM_CONFIG_VERSION}" VERSION_EQUAL 12)
message(FATAL_ERROR "expected LLVM 11.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}")
endif()
if("${LLVM_CONFIG_VERSION}" VERSION_GREATER 12)
message(FATAL_ERROR "expected LLVM 11.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}")
endif()
elseif(ZIG_USE_LLVM_CONFIG)
find_program(LLVM_CONFIG_EXE
NAMES llvm-config-11 llvm-config-11.0 llvm-config110 llvm-config11 llvm-config
PATHS
"/mingw64/bin"
"/c/msys64/mingw64/bin"
"c:/msys64/mingw64/bin"
"C:/Libraries/llvm-11.0.0/bin")
if ("${LLVM_CONFIG_EXE}" STREQUAL "LLVM_CONFIG_EXE-NOTFOUND")
message(FATAL_ERROR "unable to find llvm-config")
endif()
if ("${LLVM_CONFIG_EXE}" STREQUAL "LLVM_CONFIG_EXE-NOTFOUND")
message(FATAL_ERROR "unable to find llvm-config")
endif()
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --version
OUTPUT_VARIABLE LLVM_CONFIG_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE)
if("${LLVM_CONFIG_VERSION}" VERSION_LESS 11)
message(FATAL_ERROR "expected LLVM 11.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}")
endif()
if("${LLVM_CONFIG_VERSION}" VERSION_EQUAL 12)
message(FATAL_ERROR "expected LLVM 11.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}")
endif()
if("${LLVM_CONFIG_VERSION}" VERSION_GREATER 12)
message(FATAL_ERROR "expected LLVM 11.x but found ${LLVM_CONFIG_VERSION} using ${LLVM_CONFIG_EXE}")
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}")
function(NEED_TARGET TARGET_NAME)
list (FIND LLVM_TARGETS_BUILT "${TARGET_NAME}" _index)
if (${_index} EQUAL -1)
message(FATAL_ERROR "LLVM (according to ${LLVM_CONFIG_EXE}) is missing target ${TARGET_NAME}. Zig requires LLVM to be built with all default targets enabled.")
endif()
endfunction(NEED_TARGET)
NEED_TARGET("AArch64")
NEED_TARGET("AMDGPU")
NEED_TARGET("ARM")
NEED_TARGET("AVR")
NEED_TARGET("BPF")
NEED_TARGET("Hexagon")
NEED_TARGET("Lanai")
NEED_TARGET("Mips")
NEED_TARGET("MSP430")
NEED_TARGET("NVPTX")
NEED_TARGET("PowerPC")
NEED_TARGET("RISCV")
NEED_TARGET("Sparc")
NEED_TARGET("SystemZ")
NEED_TARGET("WebAssembly")
NEED_TARGET("X86")
NEED_TARGET("XCore")
if(ZIG_STATIC_LLVM)
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --libfiles --link-static
OUTPUT_VARIABLE LLVM_LIBRARIES_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_LIBRARIES "${LLVM_LIBRARIES_SPACES}")
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --system-libs --link-static
OUTPUT_VARIABLE LLVM_SYSTEM_LIBS_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS_SPACES}")
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --libdir --link-static
OUTPUT_VARIABLE LLVM_LIBDIRS_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_LIBDIRS "${LLVM_LIBDIRS_SPACES}")
endif()
if(NOT LLVM_LIBRARIES)
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 ${LLVM_CONFIG_EXE} --system-libs
OUTPUT_VARIABLE LLVM_SYSTEM_LIBS_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_SYSTEM_LIBS "${LLVM_SYSTEM_LIBS_SPACES}")
execute_process(
COMMAND ${LLVM_CONFIG_EXE} --libdir
OUTPUT_VARIABLE LLVM_LIBDIRS_SPACES
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REPLACE " " ";" LLVM_LIBDIRS "${LLVM_LIBDIRS_SPACES}")
endif()
set(LLVM_LIBRARIES ${LLVM_LIBRARIES} ${LLVM_SYSTEM_LIBS})
if(NOT LLVM_LIBRARIES)
find_library(LLVM_LIBRARIES NAMES LLVM LLVM-11 LLVM-11.0)
endif()
link_directories("${CMAKE_PREFIX_PATH}/lib")
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_}
PATHS
${LLVM_LIBDIRS}
/usr/lib/llvm/11/lib
/usr/lib/llvm-11/lib
/usr/lib/llvm-11.0/lib
/usr/local/llvm110/lib
/usr/local/llvm11/lib
/mingw64/lib
/c/msys64/mingw64/lib
c:\\msys64\\mingw64\\lib)
set(LLVM_LIBRARIES ${LLVM_LIBRARIES} ${LLVM_${_prettylibname_}_LIB})
endmacro(FIND_AND_ADD_LLVM_LIB)
# 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(LLVMXRay)
FIND_AND_ADD_LLVM_LIB(LLVMWindowsManifest)
FIND_AND_ADD_LLVM_LIB(LLVMSymbolize)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoPDB)
FIND_AND_ADD_LLVM_LIB(LLVMOrcJIT)
FIND_AND_ADD_LLVM_LIB(LLVMOrcError)
FIND_AND_ADD_LLVM_LIB(LLVMJITLink)
FIND_AND_ADD_LLVM_LIB(LLVMObjectYAML)
FIND_AND_ADD_LLVM_LIB(LLVMMCA)
FIND_AND_ADD_LLVM_LIB(LLVMLTO)
FIND_AND_ADD_LLVM_LIB(LLVMPasses)
FIND_AND_ADD_LLVM_LIB(LLVMCoroutines)
FIND_AND_ADD_LLVM_LIB(LLVMObjCARCOpts)
FIND_AND_ADD_LLVM_LIB(LLVMExtensions)
FIND_AND_ADD_LLVM_LIB(LLVMLineEditor)
FIND_AND_ADD_LLVM_LIB(LLVMLibDriver)
FIND_AND_ADD_LLVM_LIB(LLVMInterpreter)
FIND_AND_ADD_LLVM_LIB(LLVMFuzzMutate)
FIND_AND_ADD_LLVM_LIB(LLVMMCJIT)
FIND_AND_ADD_LLVM_LIB(LLVMExecutionEngine)
FIND_AND_ADD_LLVM_LIB(LLVMRuntimeDyld)
FIND_AND_ADD_LLVM_LIB(LLVMDWARFLinker)
FIND_AND_ADD_LLVM_LIB(LLVMDlltoolDriver)
FIND_AND_ADD_LLVM_LIB(LLVMOption)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoGSYM)
FIND_AND_ADD_LLVM_LIB(LLVMCoverage)
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(LLVMX86Disassembler)
FIND_AND_ADD_LLVM_LIB(LLVMX86CodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMX86AsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMX86Desc)
FIND_AND_ADD_LLVM_LIB(LLVMX86Info)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyDesc)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMWebAssemblyInfo)
FIND_AND_ADD_LLVM_LIB(LLVMSystemZDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMSystemZCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMSystemZAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMSystemZDesc)
FIND_AND_ADD_LLVM_LIB(LLVMSystemZInfo)
FIND_AND_ADD_LLVM_LIB(LLVMSparcDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMSparcCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMSparcAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMSparcDesc)
FIND_AND_ADD_LLVM_LIB(LLVMSparcInfo)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVDesc)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVUtils)
FIND_AND_ADD_LLVM_LIB(LLVMRISCVInfo)
FIND_AND_ADD_LLVM_LIB(LLVMPowerPCDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMPowerPCCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMPowerPCAsmParser)
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(LLVMMSP430CodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMMSP430AsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMMSP430Desc)
FIND_AND_ADD_LLVM_LIB(LLVMMSP430Info)
FIND_AND_ADD_LLVM_LIB(LLVMMipsDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMMipsCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMMipsAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMMipsDesc)
FIND_AND_ADD_LLVM_LIB(LLVMMipsInfo)
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(LLVMBPFCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMBPFAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMBPFDesc)
FIND_AND_ADD_LLVM_LIB(LLVMBPFInfo)
FIND_AND_ADD_LLVM_LIB(LLVMAVRDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMAVRCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMAVRAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMAVRDesc)
FIND_AND_ADD_LLVM_LIB(LLVMAVRInfo)
FIND_AND_ADD_LLVM_LIB(LLVMARMDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMARMCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMARMAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMARMDesc)
FIND_AND_ADD_LLVM_LIB(LLVMARMUtils)
FIND_AND_ADD_LLVM_LIB(LLVMARMInfo)
FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMMIRParser)
FIND_AND_ADD_LLVM_LIB(LLVMipo)
FIND_AND_ADD_LLVM_LIB(LLVMInstrumentation)
FIND_AND_ADD_LLVM_LIB(LLVMVectorize)
FIND_AND_ADD_LLVM_LIB(LLVMLinker)
FIND_AND_ADD_LLVM_LIB(LLVMIRReader)
FIND_AND_ADD_LLVM_LIB(LLVMAsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMFrontendOpenMP)
FIND_AND_ADD_LLVM_LIB(LLVMAMDGPUAsmParser)
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(LLVMMCDisassembler)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64CodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMCFGuard)
FIND_AND_ADD_LLVM_LIB(LLVMGlobalISel)
FIND_AND_ADD_LLVM_LIB(LLVMSelectionDAG)
FIND_AND_ADD_LLVM_LIB(LLVMAsmPrinter)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoDWARF)
FIND_AND_ADD_LLVM_LIB(LLVMCodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMTarget)
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(LLVMObject)
FIND_AND_ADD_LLVM_LIB(LLVMTextAPI)
FIND_AND_ADD_LLVM_LIB(LLVMBitReader)
FIND_AND_ADD_LLVM_LIB(LLVMCore)
FIND_AND_ADD_LLVM_LIB(LLVMRemarks)
FIND_AND_ADD_LLVM_LIB(LLVMBitstreamReader)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64AsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMMCParser)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64Desc)
FIND_AND_ADD_LLVM_LIB(LLVMMC)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoCodeView)
FIND_AND_ADD_LLVM_LIB(LLVMDebugInfoMSF)
FIND_AND_ADD_LLVM_LIB(LLVMBinaryFormat)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64Utils)
FIND_AND_ADD_LLVM_LIB(LLVMAArch64Info)
FIND_AND_ADD_LLVM_LIB(LLVMSupport)
FIND_AND_ADD_LLVM_LIB(LLVMDemangle)
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)
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