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rework llvm and clang detection in cmake configuration
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closes #4799
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@andrewrk
andrewrk committed Apr 10, 2020
1 parent 543031d commit bc6da66
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Showing 3 changed files with 261 additions and 383 deletions.
273 changes: 261 additions & 12 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -44,13 +44,8 @@ endif()
message("Configuring zig version ${ZIG_VERSION}")

set(ZIG_STATIC off CACHE BOOL "Attempt to build a static zig executable (not compatible with glibc)")
set(ZIG_STATIC_LLVM off CACHE BOOL "Prefer linking against static LLVM libraries")
set(ZIG_ENABLE_MEM_PROFILE off CACHE BOOL "Activate memory usage instrumentation")

if(ZIG_STATIC)
set(ZIG_STATIC_LLVM "on")
endif()

string(REGEX REPLACE "\\\\" "\\\\\\\\" ZIG_LIBC_LIB_DIR_ESCAPED "${ZIG_LIBC_LIB_DIR}")
string(REGEX REPLACE "\\\\" "\\\\\\\\" ZIG_LIBC_STATIC_LIB_DIR_ESCAPED "${ZIG_LIBC_STATIC_LIB_DIR}")
string(REGEX REPLACE "\\\\" "\\\\\\\\" ZIG_LIBC_INCLUDE_DIR_ESCAPED "${ZIG_LIBC_INCLUDE_DIR}")
Expand All @@ -66,16 +61,270 @@ set(ZIG_TARGET_TRIPLE "native" CACHE STRING "arch-os-abi to output binaries for"
set(ZIG_TARGET_MCPU "baseline" CACHE STRING "-mcpu parameter to output binaries for")
set(ZIG_EXECUTABLE "" CACHE STRING "(when cross compiling) path to already-built zig binary")

find_package(llvm)
find_package(clang)
find_package(lld)
# Find Clang
if("${ZIG_TARGET_TRIPLE}" STREQUAL "native")
find_package(Clang REQUIRED)
if (CLANG_LINK_CLANG_DYLIB)
set(CLANG_LIBRARIES clang-cpp)
else()
set(CLANG_LIBRARIES
clangFrontendTool
clangCodeGen
clangFrontend
clangDriver
clangSerialization
clangSema
clangStaticAnalyzerFrontend
clangStaticAnalyzerCheckers
clangStaticAnalyzerCore
clangAnalysis
clangASTMatchers
clangAST
clangParse
clangSema
clangBasic
clangEdit
clangLex
clangARCMigrate
clangRewriteFrontend
clangRewrite
clangCrossTU
clangIndex
)
endif()
else()
find_path(CLANG_INCLUDE_DIRS NAMES clang/Frontend/ASTUnit.h)

macro(FIND_AND_ADD_CLANG_LIB _libname_)
string(TOUPPER ${_libname_} _prettylibname_)
find_library(CLANG_${_prettylibname_}_LIB NAMES ${_libname_})
set(CLANG_LIBRARIES ${CLANG_LIBRARIES} ${CLANG_${_prettylibname_}_LIB})
endmacro(FIND_AND_ADD_CLANG_LIB)

FIND_AND_ADD_CLANG_LIB(clangFrontendTool)
FIND_AND_ADD_CLANG_LIB(clangCodeGen)
FIND_AND_ADD_CLANG_LIB(clangFrontend)
FIND_AND_ADD_CLANG_LIB(clangDriver)
FIND_AND_ADD_CLANG_LIB(clangSerialization)
FIND_AND_ADD_CLANG_LIB(clangSema)
FIND_AND_ADD_CLANG_LIB(clangStaticAnalyzerFrontend)
FIND_AND_ADD_CLANG_LIB(clangStaticAnalyzerCheckers)
FIND_AND_ADD_CLANG_LIB(clangStaticAnalyzerCore)
FIND_AND_ADD_CLANG_LIB(clangAnalysis)
FIND_AND_ADD_CLANG_LIB(clangASTMatchers)
FIND_AND_ADD_CLANG_LIB(clangAST)
FIND_AND_ADD_CLANG_LIB(clangParse)
FIND_AND_ADD_CLANG_LIB(clangSema)
FIND_AND_ADD_CLANG_LIB(clangBasic)
FIND_AND_ADD_CLANG_LIB(clangEdit)
FIND_AND_ADD_CLANG_LIB(clangLex)
FIND_AND_ADD_CLANG_LIB(clangARCMigrate)
FIND_AND_ADD_CLANG_LIB(clangRewriteFrontend)
FIND_AND_ADD_CLANG_LIB(clangRewrite)
FIND_AND_ADD_CLANG_LIB(clangCrossTU)
FIND_AND_ADD_CLANG_LIB(clangIndex)
endif()

if(APPLE AND ZIG_STATIC)
list(REMOVE_ITEM LLVM_LIBRARIES "-lz")
find_library(ZLIB NAMES z zlib libz)
list(APPEND LLVM_LIBRARIES "${ZLIB}")
# Find LLVM
if("${ZIG_TARGET_TRIPLE}" STREQUAL "native")
find_library(LLVM REQUIRED)

if(NOT ${LLVM_VERSION_MAJOR} EQUAL 10)
message(FATAL_ERROR "expected LLVM 10.x but found ${LLVM_VERSION_MAJOR}")
endif()

function(NEED_TARGET TARGET_NAME)
list (FIND LLVM_TARGETS_TO_BUILD "${TARGET_NAME}" _index)
if (${_index} EQUAL -1)
message(FATAL_ERROR "LLVM is missing target ${TARGET_NAME}. Zig requires LLVM to be built with all default targets enabled. If you patch out this check, please make it clear to your users that this has been done. Zig users expect to be able to cross compile!")
endif()
endfunction(NEED_TARGET)
NEED_TARGET("AArch64")
NEED_TARGET("AMDGPU")
NEED_TARGET("ARM")
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")

set(LLVM_LIBRARIES LLVM)
else()
# Here we assume that we're cross compiling with Zig, of course. No reason
# to support more complicated setups. We also assume the experimental target
# AVR is enabled.

find_path(LLVM_INCLUDE_DIRS NAMES llvm/IR/IRBuilder.h)

macro(FIND_AND_ADD_LLVM_LIB _libname_)
string(TOUPPER ${_libname_} _prettylibname_)
find_library(LLVM_${_prettylibname_}_LIB NAMES ${_libname_})
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(LLVMObjCARCOpts)
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(LLVMFrontendOpenMP)
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(LLVMCoroutines)
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(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(LLVMX86AsmParser)
FIND_AND_ADD_LLVM_LIB(LLVMX86CodeGen)
FIND_AND_ADD_LLVM_LIB(LLVMX86Desc)
FIND_AND_ADD_LLVM_LIB(LLVMX86Utils)
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(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(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()

find_package(lld)

set(ZIG_CPP_LIB_DIR "${CMAKE_BINARY_DIR}/zig_cpp")

# Handle multi-config builds and place each into a common lib. The VS generator
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63 changes: 0 additions & 63 deletions cmake/Findclang.cmake
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