1 include(GetLibraryName)
3 # Ensure that libSupport does not carry any static global initializer.
4 # libSupport can be embedded in use cases where we don't want to load all
5 # cl::opt unless we want to parse the command line.
6 # ManagedStatic can be used to enable lazy-initialization of globals.
7 # We don't use `add_flag_if_supported` as instead of compiling an empty file we
8 # check if the current platform is able to compile global std::mutex with this
9 # flag (Linux can, Darwin can't for example).
10 check_cxx_compiler_flag("-Werror=global-constructors" HAS_WERROR_GLOBAL_CTORS)
11 if (HAS_WERROR_GLOBAL_CTORS)
12 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Werror=global-constructors")
13 CHECK_CXX_SOURCE_COMPILES("
15 static std::mutex TestGlobalCtorDtor;
16 static std::recursive_mutex TestGlobalCtorDtor2;
17 int main() { (void)TestGlobalCtorDtor; (void)TestGlobalCtorDtor2; return 0;}
18 " LLVM_HAS_NOGLOBAL_CTOR_MUTEX)
19 if (NOT LLVM_HAS_NOGLOBAL_CTOR_MUTEX)
20 string(REPLACE "-Werror=global-constructors" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
25 list(APPEND imported_libs ZLIB::ZLIB)
29 if(TARGET zstd::libzstd_shared AND NOT LLVM_USE_STATIC_ZSTD)
30 set(zstd_target zstd::libzstd_shared)
32 set(zstd_target zstd::libzstd_static)
37 list(APPEND imported_libs ${zstd_target})
41 # libuuid required for FOLDERID_Profile usage in lib/Support/Windows/Path.inc.
42 # advapi32 required for CryptAcquireContextW in lib/Support/Windows/Path.inc.
43 set(system_libs ${system_libs} psapi shell32 ole32 uuid advapi32 ws2_32)
44 elseif( CMAKE_HOST_UNIX )
46 set(system_libs ${system_libs} rt)
49 set(system_libs ${system_libs} ${CMAKE_DL_LIBS})
51 if( HAVE_BACKTRACE AND NOT "${Backtrace_LIBRARIES}" STREQUAL "" )
52 # On BSDs, CMake returns a fully qualified path to the backtrace library.
53 # We need to remove the path and the 'lib' prefix, to make it look like a
54 # regular short library name, suitable for appending to a -l link flag.
55 get_filename_component(Backtrace_LIBFILE ${Backtrace_LIBRARIES} NAME_WE)
56 STRING(REGEX REPLACE "^lib" "" Backtrace_LIBFILE ${Backtrace_LIBFILE})
57 set(system_libs ${system_libs} ${Backtrace_LIBFILE})
59 if( LLVM_ENABLE_TERMINFO )
60 set(imported_libs ${imported_libs} Terminfo::terminfo)
62 set(system_libs ${system_libs} ${LLVM_ATOMIC_LIB})
63 set(system_libs ${system_libs} ${LLVM_PTHREAD_LIB})
64 if( UNIX AND NOT (BEOS OR HAIKU) )
65 set(system_libs ${system_libs} m)
67 if( UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "SunOS" )
68 set(system_libs ${system_libs} kstat socket)
71 set(system_libs ${system_libs} zircon)
74 add_compile_definitions(_BSD_SOURCE)
75 set(system_libs ${system_libs} bsd network)
77 endif( MSVC OR MINGW )
79 # Delay load shell32.dll if possible to speed up process startup.
82 # When linking with Swift, `swiftc.exe` is used as the linker drive rather
83 # than invoking `link.exe` directly. In such a case, the flags should be
84 # marked as `-Xlinker` to pass them directly to the linker. As a temporary
85 # workaround simply elide the delay loading.
86 set (delayload_flags $<$<NOT:$<LINK_LANGUAGE:Swift>>:delayimp -delayload:shell32.dll -delayload:ole32.dll>)
89 # Link Z3 if the user wants to build it.
91 set(system_libs ${system_libs} ${Z3_LIBRARIES})
94 # Override the C runtime allocator on Windows and embed it into LLVM tools & libraries
95 if(LLVM_INTEGRATED_CRT_ALLOC)
96 if (NOT CMAKE_MSVC_RUNTIME_LIBRARY OR CMAKE_MSVC_RUNTIME_LIBRARY MATCHES "DLL$")
97 message(FATAL_ERROR "LLVM_INTEGRATED_CRT_ALLOC only works with CMAKE_MSVC_RUNTIME_LIBRARY set to MultiThreaded or MultiThreadedDebug.")
100 string(REGEX REPLACE "(/|\\\\)$" "" LLVM_INTEGRATED_CRT_ALLOC "${LLVM_INTEGRATED_CRT_ALLOC}")
102 if(NOT EXISTS "${LLVM_INTEGRATED_CRT_ALLOC}")
103 message(FATAL_ERROR "Cannot find the path to `git clone` for the CRT allocator! (${LLVM_INTEGRATED_CRT_ALLOC}). Currently, rpmalloc, snmalloc and mimalloc are supported.")
106 if(LLVM_INTEGRATED_CRT_ALLOC MATCHES "rpmalloc$")
107 add_compile_definitions(ENABLE_OVERRIDE ENABLE_PRELOAD)
108 set(ALLOCATOR_FILES "${LLVM_INTEGRATED_CRT_ALLOC}/rpmalloc/rpmalloc.c")
109 elseif(LLVM_INTEGRATED_CRT_ALLOC MATCHES "snmalloc$")
110 set(ALLOCATOR_FILES "${LLVM_INTEGRATED_CRT_ALLOC}/src/snmalloc/override/new.cc")
111 set(system_libs ${system_libs} "mincore.lib" "-INCLUDE:malloc")
112 elseif(LLVM_INTEGRATED_CRT_ALLOC MATCHES "mimalloc$")
113 set(MIMALLOC_LIB "${LLVM_INTEGRATED_CRT_ALLOC}/out/msvc-x64/Release/mimalloc-static.lib")
114 if(NOT EXISTS "${MIMALLOC_LIB}")
115 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")
117 set(system_libs ${system_libs} "${MIMALLOC_LIB}" "-INCLUDE:malloc")
121 # FIXME: We are currently guarding AIX headers with _XOPEN_SOURCE=700.
122 # See llvm/CMakeLists.txt. However, we need _SC_NPROCESSORS_ONLN in
123 # unistd.h and it is guarded by _ALL_SOURCE, so we remove the _XOPEN_SOURCE
124 # guard here. We should remove the guards all together once AIX cleans up
125 # the system headers.
126 if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
127 remove_definitions("-D_XOPEN_SOURCE=700")
130 add_subdirectory(BLAKE3)
132 add_llvm_component_library(LLVMSupport
140 ARMAttributeParser.cpp
145 BalancedPartitioning.cpp
146 BinaryStreamError.cpp
147 BinaryStreamReader.cpp
149 BinaryStreamWriter.cpp
151 BranchProbability.cpp
155 circular_raw_ostream.cpp
164 ConvertUTFWrapper.cpp
165 CrashRecoveryContext.cpp
167 CSKYAttributeParser.cpp
172 DivisionByConstantInfo.cpp
173 DAGDeltaAlgorithm.cpp
175 ELFAttributeParser.cpp
183 FloatingPointMode.cpp
207 MSP430AttributeParser.cpp
209 OptimizedStructLayout.cpp
215 RandomNumberGenerator.cpp
218 RISCVAttributeParser.cpp
246 UnicodeNameToCodepoint.cpp
247 UnicodeNameToCodepointGenerated.cpp
249 VirtualFileSystem.cpp
255 raw_socket_stream.cpp
265 $<TARGET_OBJECTS:LLVMSupportBlake3>
281 ADDITIONAL_HEADER_DIRS
284 ${LLVM_MAIN_INCLUDE_DIR}/llvm/ADT
285 ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support
286 ${Backtrace_INCLUDE_DIRS}
289 ${system_libs} ${imported_libs} ${delayload_flags}
295 set(llvm_system_libs ${system_libs})
297 # This block is only needed for llvm-config. When we deprecate llvm-config and
298 # move to using CMake export, this block can be removed.
300 # CMAKE_BUILD_TYPE is only meaningful to single-configuration generators.
302 string(TOUPPER ${CMAKE_BUILD_TYPE} build_type)
303 get_property(zlib_library TARGET ZLIB::ZLIB PROPERTY LOCATION_${build_type})
306 get_property(zlib_library TARGET ZLIB::ZLIB PROPERTY LOCATION)
308 get_library_name(${zlib_library} zlib_library)
309 set(llvm_system_libs ${llvm_system_libs} "${zlib_library}")
313 # CMAKE_BUILD_TYPE is only meaningful to single-configuration generators.
315 string(TOUPPER ${CMAKE_BUILD_TYPE} build_type)
316 get_property(zstd_library TARGET ${zstd_target} PROPERTY LOCATION_${build_type})
319 get_property(zstd_library TARGET ${zstd_target} PROPERTY LOCATION)
321 get_library_name(${zstd_library} zstd_library)
322 set(llvm_system_libs ${llvm_system_libs} "${zstd_library}")
325 if(LLVM_ENABLE_TERMINFO)
326 if(NOT terminfo_library)
327 get_property(terminfo_library TARGET Terminfo::terminfo PROPERTY LOCATION)
329 get_library_name(${terminfo_library} terminfo_library)
330 set(llvm_system_libs ${llvm_system_libs} "${terminfo_library}")
333 set_property(TARGET LLVMSupport PROPERTY LLVM_SYSTEM_LIBS "${llvm_system_libs}")
336 if(LLVM_INTEGRATED_CRT_ALLOC)
337 if(LLVM_INTEGRATED_CRT_ALLOC MATCHES "snmalloc$")
338 set_property(TARGET LLVMSupport PROPERTY CXX_STANDARD 17)
339 add_compile_definitions(_SILENCE_CXX17_ITERATOR_BASE_CLASS_DEPRECATION_WARNING)
340 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" AND
341 "${CMAKE_SYSTEM_PROCESSOR}" MATCHES "x86_64")
342 set_property(TARGET LLVMSupport PROPERTY COMPILE_FLAGS "-mcx16")
348 target_include_directories(LLVMSupport SYSTEM