include(GetLibraryName)
# Ensure that libSupport does not carry any static global initializer.
# libSupport can be embedded in use cases where we don't want to load all
# cl::opt unless we want to parse the command line.
# ManagedStatic can be used to enable lazy-initialization of globals.
# We don't use `add_flag_if_supported` as instead of compiling an empty file we
# check if the current platform is able to compile global std::mutex with this
# flag (Linux can, Darwin can't for example).
check_cxx_compiler_flag("-Werror=global-constructors" HAS_WERROR_GLOBAL_CTORS)
if (HAS_WERROR_GLOBAL_CTORS)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=global-constructors")
CHECK_CXX_SOURCE_COMPILES("
#include <mutex>
static std::mutex TestGlobalCtorDtor;
static std::recursive_mutex TestGlobalCtorDtor2;
int main() { (void)TestGlobalCtorDtor; (void)TestGlobalCtorDtor2; return 0;}
" LLVM_HAS_NOGLOBAL_CTOR_MUTEX)
if (NOT LLVM_HAS_NOGLOBAL_CTOR_MUTEX)
string(REPLACE "-Werror=global-constructors" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
endif()
endif()
if(LLVM_ENABLE_ZLIB)
list(APPEND imported_libs ZLIB::ZLIB)
endif()
if(LLVM_ENABLE_ZSTD)
if(TARGET zstd::libzstd_shared AND NOT LLVM_USE_STATIC_ZSTD)
set(zstd_target zstd::libzstd_shared)
else()
set(zstd_target zstd::libzstd_static)
endif()
endif()
if(LLVM_ENABLE_ZSTD)
list(APPEND imported_libs ${zstd_target})
endif()
if( WIN32 )
# libuuid required for FOLDERID_Profile usage in lib/Support/Windows/Path.inc.
# advapi32 required for CryptAcquireContextW in lib/Support/Windows/Path.inc.
# ntdll required for RtlGetLastNtStatus in lib/Support/ErrorHandling.cpp.
set(system_libs ${system_libs} psapi shell32 ole32 uuid advapi32 ws2_32 ntdll)
elseif( CMAKE_HOST_UNIX )
if( HAVE_LIBRT )
set(system_libs ${system_libs} rt)
endif()
if( HAVE_LIBDL )
set(system_libs ${system_libs} ${CMAKE_DL_LIBS})
endif()
if( HAVE_BACKTRACE AND NOT "${Backtrace_LIBRARIES}" STREQUAL "" )
# On BSDs, CMake returns a fully qualified path to the backtrace library.
# We need to remove the path and the 'lib' prefix, to make it look like a
# regular short library name, suitable for appending to a -l link flag.
get_filename_component(Backtrace_LIBFILE ${Backtrace_LIBRARIES} NAME_WE)
STRING(REGEX REPLACE "^lib" "" Backtrace_LIBFILE ${Backtrace_LIBFILE})
set(system_libs ${system_libs} ${Backtrace_LIBFILE})
endif()
set(system_libs ${system_libs} ${LLVM_ATOMIC_LIB})
set(system_libs ${system_libs} ${LLVM_PTHREAD_LIB})
if( UNIX AND NOT (BEOS OR HAIKU) )
set(system_libs ${system_libs} m)
endif()
if( UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "SunOS" )
set(system_libs ${system_libs} kstat socket)
endif()
if( FUCHSIA )
set(system_libs ${system_libs} zircon)
endif()
if ( HAIKU )
add_compile_definitions(_BSD_SOURCE)
set(system_libs ${system_libs} bsd network)
endif()
endif( WIN32 )
# Delay load shell32.dll if possible to speed up process startup.
set (delayload_flags)
if (MSVC)
# When linking with Swift, `swiftc.exe` is used as the linker drive rather
# than invoking `link.exe` directly. In such a case, the flags should be
# marked as `-Xlinker` to pass them directly to the linker. As a temporary
# workaround simply elide the delay loading.
set (delayload_flags $<$<NOT:$<LINK_LANGUAGE:Swift>>:delayimp -delayload:shell32.dll -delayload:ole32.dll>)
endif()
# Link Z3 if the user wants to build it.
if(LLVM_WITH_Z3)
set(system_libs ${system_libs} ${Z3_LIBRARIES})
endif()
# Override the C runtime allocator on Windows and embed it into LLVM tools & libraries
if(LLVM_INTEGRATED_CRT_ALLOC)
if (NOT CMAKE_MSVC_RUNTIME_LIBRARY OR CMAKE_MSVC_RUNTIME_LIBRARY MATCHES "DLL$")
message(FATAL_ERROR "LLVM_INTEGRATED_CRT_ALLOC only works with CMAKE_MSVC_RUNTIME_LIBRARY set to MultiThreaded or MultiThreadedDebug.")
endif()
string(REGEX REPLACE "(/|\\\\)$" "" LLVM_INTEGRATED_CRT_ALLOC "${LLVM_INTEGRATED_CRT_ALLOC}")
if(NOT EXISTS "${LLVM_INTEGRATED_CRT_ALLOC}")
message(FATAL_ERROR "Cannot find the path to `git clone` for the CRT allocator! (${LLVM_INTEGRATED_CRT_ALLOC}). Currently, rpmalloc, snmalloc and mimalloc are supported.")
endif()
if((LLVM_INTEGRATED_CRT_ALLOC MATCHES "rpmalloc$") OR LLVM_ENABLE_RPMALLOC)
add_compile_definitions(ENABLE_OVERRIDE ENABLE_PRELOAD)
set(ALLOCATOR_FILES "${LLVM_INTEGRATED_CRT_ALLOC}/rpmalloc/rpmalloc.c")
set(delayload_flags "${delayload_flags} -INCLUDE:malloc")
elseif(LLVM_INTEGRATED_CRT_ALLOC MATCHES "snmalloc$")
set(ALLOCATOR_FILES "${LLVM_INTEGRATED_CRT_ALLOC}/src/snmalloc/override/new.cc")
set(system_libs ${system_libs} "mincore.lib" "-INCLUDE:malloc")
elseif(LLVM_INTEGRATED_CRT_ALLOC MATCHES "mimalloc$")
set(MIMALLOC_LIB "${LLVM_INTEGRATED_CRT_ALLOC}/out/msvc-x64/Release/mimalloc-static.lib")
if(NOT EXISTS "${MIMALLOC_LIB}")
message(FATAL_ERROR "Cannot find the mimalloc static library. To build it, first apply the patch from https://github.com/microsoft/mimalloc/issues/268 then build the Release x64 target through ${LLVM_INTEGRATED_CRT_ALLOC}\\ide\\vs2019\\mimalloc.sln")
endif()
set(system_libs ${system_libs} "${MIMALLOC_LIB}" "-INCLUDE:malloc")
endif()
endif()
# FIXME: We are currently guarding AIX headers with _XOPEN_SOURCE=700.
# See llvm/CMakeLists.txt. However, we need _SC_NPROCESSORS_ONLN in
# unistd.h and it is guarded by _ALL_SOURCE, so we remove the _XOPEN_SOURCE
# guard here. We should remove the guards all together once AIX cleans up
# the system headers.
if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
remove_definitions("-D_XOPEN_SOURCE=700")
endif()
add_subdirectory(BLAKE3)
add_llvm_component_library(LLVMSupport
ABIBreak.cpp
AMDGPUMetadata.cpp
APFixedPoint.cpp
APFloat.cpp
APInt.cpp
APSInt.cpp
ARMBuildAttrs.cpp
ARMAttributeParser.cpp
ARMWinEH.cpp
Allocator.cpp
AutoConvert.cpp
Base64.cpp
BalancedPartitioning.cpp
BinaryStreamError.cpp
BinaryStreamReader.cpp
BinaryStreamRef.cpp
BinaryStreamWriter.cpp
BlockFrequency.cpp
BranchProbability.cpp
BuryPointer.cpp
CachePruning.cpp
Caching.cpp
circular_raw_ostream.cpp
Chrono.cpp
COM.cpp
CodeGenCoverage.cpp
CommandLine.cpp
Compression.cpp
CRC.cpp
ConvertUTF.cpp
ConvertEBCDIC.cpp
ConvertUTFWrapper.cpp
CrashRecoveryContext.cpp
CSKYAttributes.cpp
CSKYAttributeParser.cpp
DataExtractor.cpp
Debug.cpp
DebugCounter.cpp
DeltaAlgorithm.cpp
DeltaTree.cpp
DivisionByConstantInfo.cpp
DAGDeltaAlgorithm.cpp
DJB.cpp
DynamicAPInt.cpp
ELFAttributeParser.cpp
ELFAttributes.cpp
Error.cpp
ErrorHandling.cpp
ExponentialBackoff.cpp
ExtensibleRTTI.cpp
FileCollector.cpp
FileUtilities.cpp
FileOutputBuffer.cpp
FloatingPointMode.cpp
FoldingSet.cpp
FormattedStream.cpp
FormatVariadic.cpp
GlobPattern.cpp
GraphWriter.cpp
HexagonAttributeParser.cpp
HexagonAttributes.cpp
InitLLVM.cpp
InstructionCost.cpp
IntEqClasses.cpp
IntervalMap.cpp
JSON.cpp
KnownBits.cpp
LEB128.cpp
LineIterator.cpp
Locale.cpp
LockFileManager.cpp
ManagedStatic.cpp
MathExtras.cpp
MemAlloc.cpp
MemoryBuffer.cpp
MemoryBufferRef.cpp
ModRef.cpp
MD5.cpp
MSP430Attributes.cpp
MSP430AttributeParser.cpp
NativeFormatting.cpp
OptimizedStructLayout.cpp
Optional.cpp
OptionStrCmp.cpp
PGOOptions.cpp
Parallel.cpp
PluginLoader.cpp
PrettyStackTrace.cpp
RandomNumberGenerator.cpp
Regex.cpp
RewriteBuffer.cpp
RewriteRope.cpp
RISCVAttributes.cpp
RISCVAttributeParser.cpp
RISCVISAUtils.cpp
ScaledNumber.cpp
ScopedPrinter.cpp
SHA1.cpp
SHA256.cpp
Signposts.cpp
SipHash.cpp
SlowDynamicAPInt.cpp
SmallPtrSet.cpp
SmallVector.cpp
SourceMgr.cpp
SpecialCaseList.cpp
Statistic.cpp
StringExtras.cpp
StringMap.cpp
StringSaver.cpp
StringRef.cpp
SuffixTreeNode.cpp
SuffixTree.cpp
SystemUtils.cpp
TarWriter.cpp
ThreadPool.cpp
TimeProfiler.cpp
Timer.cpp
ToolOutputFile.cpp
Twine.cpp
TypeSize.cpp
Unicode.cpp
UnicodeCaseFold.cpp
UnicodeNameToCodepoint.cpp
UnicodeNameToCodepointGenerated.cpp
VersionTuple.cpp
VirtualFileSystem.cpp
WithColor.cpp
YAMLParser.cpp
YAMLTraits.cpp
raw_os_ostream.cpp
raw_ostream.cpp
raw_socket_stream.cpp
regcomp.c
regerror.c
regexec.c
regfree.c
regstrlcpy.c
xxhash.cpp
Z3Solver.cpp
${ALLOCATOR_FILES}
$<TARGET_OBJECTS:LLVMSupportBlake3>
# System
Atomic.cpp
DynamicLibrary.cpp
Errno.cpp
Memory.cpp
Path.cpp
Process.cpp
Program.cpp
RWMutex.cpp
Signals.cpp
Threading.cpp
Valgrind.cpp
Watchdog.cpp
ADDITIONAL_HEADER_DIRS
Unix
Windows
${LLVM_MAIN_INCLUDE_DIR}/llvm/ADT
${LLVM_MAIN_INCLUDE_DIR}/llvm/Support
${Backtrace_INCLUDE_DIRS}
LINK_LIBS
${system_libs} ${imported_libs} ${delayload_flags}
LINK_COMPONENTS
Demangle
)
set(llvm_system_libs ${system_libs})
# This block is only needed for llvm-config. When we deprecate llvm-config and
# move to using CMake export, this block can be removed.
if(LLVM_ENABLE_ZLIB)
# CMAKE_BUILD_TYPE is only meaningful to single-configuration generators.
if(CMAKE_BUILD_TYPE)
string(TOUPPER ${CMAKE_BUILD_TYPE} build_type)
get_property(zlib_library TARGET ZLIB::ZLIB PROPERTY LOCATION_${build_type})
endif()
if(NOT zlib_library)
get_property(zlib_library TARGET ZLIB::ZLIB PROPERTY LOCATION)
endif()
get_library_name(${zlib_library} zlib_library)
set(llvm_system_libs ${llvm_system_libs} "${zlib_library}")
endif()
if(LLVM_ENABLE_ZSTD)
# CMAKE_BUILD_TYPE is only meaningful to single-configuration generators.
if(CMAKE_BUILD_TYPE)
string(TOUPPER ${CMAKE_BUILD_TYPE} build_type)
get_property(zstd_library TARGET ${zstd_target} PROPERTY LOCATION_${build_type})
endif()
if(NOT zstd_library)
get_property(zstd_library TARGET ${zstd_target} PROPERTY LOCATION)
endif()
if (zstd_target STREQUAL zstd::libzstd_shared)
get_library_name(${zstd_library} zstd_library)
set(llvm_system_libs ${llvm_system_libs} "${zstd_library}")
else()
set(llvm_system_libs ${llvm_system_libs} "${zstd_STATIC_LIBRARY}")
endif()
endif()
set_property(TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS "${llvm_system_libs}")
if(LLVM_INTEGRATED_CRT_ALLOC)
if(LLVM_INTEGRATED_CRT_ALLOC MATCHES "snmalloc$")
set_property(TARGET LLVMSupport PROPERTY CXX_STANDARD 17)
add_compile_definitions(_SILENCE_CXX17_ITERATOR_BASE_CLASS_DEPRECATION_WARNING)
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND
"${CMAKE_SYSTEM_PROCESSOR}" MATCHES "x86_64")
set_property(TARGET LLVMSupport PROPERTY COMPILE_FLAGS "-mcx16")
endif()
endif()
endif()
if(LLVM_WITH_Z3)
target_include_directories(LLVMSupport SYSTEM
PRIVATE
${Z3_INCLUDE_DIR}
)
endif()
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