1 if( WIN32 AND NOT CYGWIN )
2 # We consider Cygwin as another Unix
6 include(CheckIncludeFile)
7 include(CheckLibraryExists)
8 include(CheckSymbolExists)
9 include(CheckCXXSymbolExists)
10 include(CheckFunctionExists)
11 include(CheckStructHasMember)
12 include(CheckCCompilerFlag)
13 include(CheckCSourceCompiles)
14 include(CMakePushCheckState)
16 include(CheckCompilerVersion)
17 include(CheckProblematicConfigurations)
18 include(HandleLLVMStdlib)
20 if (ANDROID OR CYGWIN OR CMAKE_SYSTEM_NAME MATCHES "AIX|DragonFly|FreeBSD|Haiku|Linux|NetBSD|OpenBSD|SunOS")
21 set(HAVE_MACH_MACH_H 0)
22 set(HAVE_MALLOC_MALLOC_H 0)
24 set(HAVE_SYS_MMAN_H 1)
25 set(HAVE_SYSEXITS_H 1)
28 set(HAVE_MACH_MACH_H 1)
29 set(HAVE_MALLOC_MALLOC_H 1)
31 set(HAVE_SYS_MMAN_H 1)
32 set(HAVE_SYSEXITS_H 1)
35 set(HAVE_MACH_MACH_H 0)
36 set(HAVE_MALLOC_MALLOC_H 0)
38 set(HAVE_SYS_MMAN_H 0)
39 set(HAVE_SYSEXITS_H 0)
43 # https://github.com/llvm/llvm-project/pull/104706#issuecomment-2297109613
44 set(HAVE_MACH_MACH_H 0)
45 set(HAVE_MALLOC_MALLOC_H 0)
47 set(HAVE_SYS_MMAN_H 1)
48 set(HAVE_SYSEXITS_H 0)
51 # Other platforms that we don't promise support for.
52 check_include_file(mach/mach.h HAVE_MACH_MACH_H)
53 check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
54 check_include_file(pthread.h HAVE_PTHREAD_H)
55 check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
56 check_include_file(sysexits.h HAVE_SYSEXITS_H)
57 check_include_file(unistd.h HAVE_UNISTD_H)
60 if( UNIX AND NOT (APPLE OR BEOS OR HAIKU) )
61 # Used by check_symbol_exists:
62 list(APPEND CMAKE_REQUIRED_LIBRARIES "m")
64 # x86_64 FreeBSD 9.2 requires libcxxrt to be specified explicitly.
65 if( CMAKE_SYSTEM MATCHES "FreeBSD-9.2-RELEASE" AND
66 CMAKE_SIZEOF_VOID_P EQUAL 8 )
67 list(APPEND CMAKE_REQUIRED_LIBRARIES "cxxrt")
70 # Do checks with _XOPEN_SOURCE and large-file API on AIX, because we will build
72 if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
73 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_XOPEN_SOURCE=700")
74 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_LARGE_FILE_API")
77 # Do checks with _FILE_OFFSET_BITS=64 on Solaris, because we will build
79 if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
80 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64")
83 # Newer POSIX functions aren't available without the appropriate defines.
84 # Usually those are set by the use of -std=gnuXX, but one can also use the
85 # newer functions with -std=c(++)XX, i.e. without the GNU language extensions.
86 # Keep this at the top to make sure we don't add _GNU_SOURCE dependent checks
88 check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC)
90 add_compile_definitions(_GNU_SOURCE)
91 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE")
93 # enable 64bit off_t on 32bit systems using glibc
94 if(CMAKE_SIZEOF_VOID_P EQUAL 4)
95 add_compile_definitions(_FILE_OFFSET_BITS=64)
96 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64")
101 check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H)
102 check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT)
103 check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT)
104 check_c_source_compiles("
105 #if __has_attribute(used)
106 #define LLVM_ATTRIBUTE_USED __attribute__((__used__))
108 #define LLVM_ATTRIBUTE_USED
110 LLVM_ATTRIBUTE_USED void *foo() {
111 return __builtin_thread_pointer();
113 int main(void) { return 0; }"
114 HAVE_BUILTIN_THREAD_POINTER)
116 check_include_file(CrashReporterClient.h HAVE_CRASHREPORTERCLIENT_H)
118 check_c_source_compiles("
119 static const char *__crashreporter_info__ = 0;
120 asm(\".desc ___crashreporter_info__, 0x10\");
121 int main(void) { return 0; }"
122 HAVE_CRASHREPORTER_INFO)
125 if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
126 check_include_file(linux/magic.h HAVE_LINUX_MAGIC_H)
127 if(NOT HAVE_LINUX_MAGIC_H)
128 # older kernels use split files
129 check_include_file(linux/nfs_fs.h HAVE_LINUX_NFS_FS_H)
130 check_include_file(linux/smb.h HAVE_LINUX_SMB_H)
135 if( NOT PURE_WINDOWS )
136 check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
138 check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
139 check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
141 # this could be Android
142 check_library_exists(c pthread_create "" PTHREAD_IN_LIBC)
144 check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
145 check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
148 check_library_exists(dl dlopen "" HAVE_LIBDL)
149 check_library_exists(rt shm_open "" HAVE_LIBRT)
156 # We want to find pthreads library and at the moment we do want to
157 # have it reported as '-l<lib>' instead of '-pthread'.
158 # TODO: switch to -pthread once the rest of the build system can deal with it.
159 set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
160 set(THREADS_HAVE_PTHREAD_ARG Off)
161 find_package(Threads REQUIRED)
162 set(LLVM_PTHREAD_LIB ${CMAKE_THREAD_LIBS_INIT})
166 if(LLVM_ENABLE_ZLIB STREQUAL FORCE_ON)
167 find_package(ZLIB REQUIRED)
168 elseif(NOT LLVM_USE_SANITIZER MATCHES "Memory.*")
172 # Check if zlib we found is usable; for example, we may have found a 32-bit
173 # library on a 64-bit system which would result in a link-time failure.
174 cmake_push_check_state()
175 list(APPEND CMAKE_REQUIRED_INCLUDES ${ZLIB_INCLUDE_DIRS})
176 list(APPEND CMAKE_REQUIRED_LIBRARIES ${ZLIB_LIBRARY})
177 check_symbol_exists(compress2 zlib.h HAVE_ZLIB)
178 cmake_pop_check_state()
179 if(LLVM_ENABLE_ZLIB STREQUAL FORCE_ON AND NOT HAVE_ZLIB)
180 message(FATAL_ERROR "Failed to configure zlib")
183 set(LLVM_ENABLE_ZLIB "${HAVE_ZLIB}")
185 set(LLVM_ENABLE_ZLIB 0)
190 if(LLVM_ENABLE_ZSTD STREQUAL FORCE_ON)
191 find_package(zstd REQUIRED)
193 message(FATAL_ERROR "Failed to configure zstd, but LLVM_ENABLE_ZSTD is FORCE_ON")
195 elseif(NOT LLVM_USE_SANITIZER MATCHES "Memory.*")
196 find_package(zstd QUIET)
199 set(LLVM_ENABLE_ZSTD ${zstd_FOUND})
201 if(LLVM_ENABLE_LIBXML2)
202 if(LLVM_ENABLE_LIBXML2 STREQUAL FORCE_ON)
203 find_package(LibXml2 REQUIRED)
204 elseif(NOT LLVM_USE_SANITIZER MATCHES "Memory.*")
205 find_package(LibXml2)
208 # Check if libxml2 we found is usable; for example, we may have found a 32-bit
209 # library on a 64-bit system which would result in a link-time failure.
210 cmake_push_check_state()
211 list(APPEND CMAKE_REQUIRED_INCLUDES ${LIBXML2_INCLUDE_DIRS})
212 list(APPEND CMAKE_REQUIRED_LIBRARIES ${LIBXML2_LIBRARIES})
213 list(APPEND CMAKE_REQUIRED_DEFINITIONS ${LIBXML2_DEFINITIONS})
214 check_symbol_exists(xmlReadMemory libxml/xmlreader.h HAVE_LIBXML2)
215 cmake_pop_check_state()
216 if(LLVM_ENABLE_LIBXML2 STREQUAL FORCE_ON AND NOT HAVE_LIBXML2)
217 message(FATAL_ERROR "Failed to configure libxml2")
220 set(LLVM_ENABLE_LIBXML2 "${HAVE_LIBXML2}")
224 if(LLVM_ENABLE_CURL STREQUAL FORCE_ON)
225 find_package(CURL REQUIRED)
230 # Check if curl we found is usable; for example, we may have found a 32-bit
231 # library on a 64-bit system which would result in a link-time failure.
232 cmake_push_check_state()
233 list(APPEND CMAKE_REQUIRED_LIBRARIES CURL::libcurl)
234 check_symbol_exists(curl_easy_init curl/curl.h HAVE_CURL)
235 cmake_pop_check_state()
236 if(LLVM_ENABLE_CURL STREQUAL FORCE_ON AND NOT HAVE_CURL)
237 message(FATAL_ERROR "Failed to configure curl")
240 set(LLVM_ENABLE_CURL "${HAVE_CURL}")
243 if(LLVM_ENABLE_HTTPLIB)
244 if(LLVM_ENABLE_HTTPLIB STREQUAL FORCE_ON)
245 find_package(httplib REQUIRED)
247 find_package(httplib)
250 # Check if the "httplib" we found is usable; for example there may be another
251 # library with the same name.
252 cmake_push_check_state()
253 list(APPEND CMAKE_REQUIRED_LIBRARIES ${HTTPLIB_LIBRARY})
254 check_cxx_symbol_exists(CPPHTTPLIB_HTTPLIB_H ${HTTPLIB_HEADER_PATH} HAVE_HTTPLIB)
255 cmake_pop_check_state()
256 if(LLVM_ENABLE_HTTPLIB STREQUAL FORCE_ON AND NOT HAVE_HTTPLIB)
257 message(FATAL_ERROR "Failed to configure cpp-httplib")
260 set(LLVM_ENABLE_HTTPLIB "${HAVE_HTTPLIB}")
263 # Don't look for these libraries if we're using MSan, since uninstrumented third
264 # party code may call MSan interceptors like strlen, leading to false positives.
265 if(NOT LLVM_USE_SANITIZER MATCHES "Memory.*")
266 # Don't look for these libraries on Windows.
267 if (NOT PURE_WINDOWS)
268 # Skip libedit if using ASan as it contains memory leaks.
269 if (LLVM_ENABLE_LIBEDIT AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*")
270 if(LLVM_ENABLE_LIBEDIT STREQUAL FORCE_ON)
271 find_package(LibEdit REQUIRED)
273 find_package(LibEdit)
275 set(HAVE_LIBEDIT "${LibEdit_FOUND}")
287 include(CheckCXXSymbolExists)
288 check_cxx_symbol_exists(logf128 math.h HAS_LOGF128)
290 if(LLVM_HAS_LOGF128 STREQUAL FORCE_ON AND NOT HAS_LOGF128)
291 message(FATAL_ERROR "Failed to configure logf128")
294 set(LLVM_HAS_LOGF128 "${HAS_LOGF128}")
298 check_symbol_exists(arc4random "stdlib.h" HAVE_DECL_ARC4RANDOM)
299 find_package(Backtrace)
300 set(HAVE_BACKTRACE ${Backtrace_FOUND})
301 set(BACKTRACE_HEADER ${Backtrace_HEADER})
303 # Prevent check_symbol_exists from using API that is not supported for a given
305 check_c_compiler_flag("-Werror=unguarded-availability-new" "C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW")
306 if(C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW)
307 set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror=unguarded-availability-new")
310 # Determine whether we can register EH tables.
311 check_symbol_exists(__register_frame "${CMAKE_CURRENT_LIST_DIR}/unwind.h" HAVE_REGISTER_FRAME)
312 check_symbol_exists(__deregister_frame "${CMAKE_CURRENT_LIST_DIR}/unwind.h" HAVE_DEREGISTER_FRAME)
313 check_symbol_exists(__unw_add_dynamic_fde "${CMAKE_CURRENT_LIST_DIR}/unwind.h" HAVE_UNW_ADD_DYNAMIC_FDE)
315 check_symbol_exists(_Unwind_Backtrace "unwind.h" HAVE__UNWIND_BACKTRACE)
316 check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
317 check_symbol_exists(sysconf unistd.h HAVE_SYSCONF)
318 check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
319 check_symbol_exists(isatty unistd.h HAVE_ISATTY)
320 check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS)
321 check_symbol_exists(futimes sys/time.h HAVE_FUTIMES)
322 # AddressSanitizer conflicts with lib/Support/Unix/Signals.inc
323 # Avoid sigaltstack on Apple platforms, where backtrace() cannot handle it
324 # (rdar://7089625) and _Unwind_Backtrace is unusable because it cannot unwind
325 # past the signal handler after an assertion failure (rdar://29866587).
326 if( NOT LLVM_USE_SANITIZER MATCHES ".*Address.*" AND NOT APPLE )
327 check_symbol_exists(sigaltstack signal.h HAVE_SIGALTSTACK)
329 check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL)
330 check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
331 check_symbol_exists(mallinfo2 malloc.h HAVE_MALLINFO2)
332 check_symbol_exists(malloc_zone_statistics malloc/malloc.h
333 HAVE_MALLOC_ZONE_STATISTICS)
334 check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN)
335 check_symbol_exists(pread unistd.h HAVE_PREAD)
336 check_symbol_exists(sbrk unistd.h HAVE_SBRK)
337 check_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
338 check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S)
339 check_symbol_exists(setenv stdlib.h HAVE_SETENV)
341 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S)
343 check_function_exists(_alloca HAVE__ALLOCA)
344 check_function_exists(__alloca HAVE___ALLOCA)
345 check_function_exists(__chkstk HAVE___CHKSTK)
346 check_function_exists(__chkstk_ms HAVE___CHKSTK_MS)
347 check_function_exists(___chkstk HAVE____CHKSTK)
348 check_function_exists(___chkstk_ms HAVE____CHKSTK_MS)
350 check_function_exists(__ashldi3 HAVE___ASHLDI3)
351 check_function_exists(__ashrdi3 HAVE___ASHRDI3)
352 check_function_exists(__divdi3 HAVE___DIVDI3)
353 check_function_exists(__fixdfdi HAVE___FIXDFDI)
354 check_function_exists(__fixsfdi HAVE___FIXSFDI)
355 check_function_exists(__floatdidf HAVE___FLOATDIDF)
356 check_function_exists(__lshrdi3 HAVE___LSHRDI3)
357 check_function_exists(__moddi3 HAVE___MODDI3)
358 check_function_exists(__udivdi3 HAVE___UDIVDI3)
359 check_function_exists(__umoddi3 HAVE___UMODDI3)
361 check_function_exists(__main HAVE___MAIN)
362 check_function_exists(__cmpdi2 HAVE___CMPDI2)
365 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec
366 "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC)
367 if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX")
368 # The st_mtim.tv_nsec member of a `stat` structure is not reliable on some AIX
370 set(HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC 0)
372 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec
373 "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC)
376 # This check requires _GNU_SOURCE.
377 if (NOT PURE_WINDOWS)
378 if (LLVM_PTHREAD_LIB)
379 list(APPEND CMAKE_REQUIRED_LIBRARIES ${LLVM_PTHREAD_LIB})
381 check_symbol_exists(pthread_getname_np pthread.h HAVE_PTHREAD_GETNAME_NP)
382 check_symbol_exists(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP)
383 check_symbol_exists(pthread_get_name_np "pthread.h;pthread_np.h" HAVE_PTHREAD_GET_NAME_NP)
384 check_symbol_exists(pthread_set_name_np "pthread.h;pthread_np.h" HAVE_PTHREAD_SET_NAME_NP)
385 if (LLVM_PTHREAD_LIB)
386 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${LLVM_PTHREAD_LIB})
390 list(APPEND CMAKE_REQUIRED_LIBRARIES dl)
392 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN)
394 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl)
398 # available programs checks
399 function(llvm_find_program name)
400 string(TOUPPER ${name} NAME)
401 string(REGEX REPLACE "\\." "_" NAME ${NAME})
403 find_program(LLVM_PATH_${NAME} NAMES ${ARGV})
404 mark_as_advanced(LLVM_PATH_${NAME})
405 if(LLVM_PATH_${NAME})
406 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?")
407 mark_as_advanced(HAVE_${NAME})
408 else(LLVM_PATH_${NAME})
409 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?")
410 endif(LLVM_PATH_${NAME})
413 if (LLVM_ENABLE_DOXYGEN)
414 llvm_find_program(dot)
418 set(FFI_REQUIRE_INCLUDE On)
419 if(LLVM_ENABLE_FFI STREQUAL FORCE_ON)
420 find_package(FFI REQUIRED)
424 set(LLVM_ENABLE_FFI "${FFI_FOUND}")
426 unset(HAVE_FFI_FFI_H CACHE)
427 unset(HAVE_FFI_H CACHE)
428 unset(HAVE_FFI_CALL CACHE)
431 check_symbol_exists(proc_pid_rusage "libproc.h" HAVE_PROC_PID_RUSAGE)
433 # Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported.
436 if( LLVM_ENABLE_PIC )
440 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fno-pie")
443 set(SUPPORTS_VARIADIC_MACROS_FLAG 0)
444 if (LLVM_COMPILER_IS_GCC_COMPATIBLE)
445 set(SUPPORTS_VARIADIC_MACROS_FLAG 1)
447 if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
448 set(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG 1)
450 set(SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG 0)
453 set(USE_NO_MAYBE_UNINITIALIZED 0)
454 set(USE_NO_UNINITIALIZED 0)
456 # Disable gcc's potentially uninitialized use analysis as it presents lots of
458 if (CMAKE_COMPILER_IS_GNUCXX)
459 # Disable all -Wuninitialized warning for old GCC versions.
460 if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.0)
461 set(USE_NO_UNINITIALIZED 1)
463 set(USE_NO_MAYBE_UNINITIALIZED 1)
467 if(LLVM_INCLUDE_TESTS)
468 include(GetErrcMessages)
469 get_errc_messages(LLVM_LIT_ERRC_MESSAGES)
472 # By default, we target the host, but this can be overridden at CMake
474 include(GetHostTriple)
475 get_host_triple(LLVM_INFERRED_HOST_TRIPLE)
477 set(LLVM_HOST_TRIPLE "${LLVM_INFERRED_HOST_TRIPLE}" CACHE STRING
478 "Host on which LLVM binaries will run")
479 message(STATUS "LLVM host triple: ${LLVM_HOST_TRIPLE}")
481 # Determine the native architecture.
482 string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH)
483 if( LLVM_NATIVE_ARCH STREQUAL "host" )
484 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE})
487 if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
488 set(LLVM_NATIVE_ARCH X86)
489 elseif (LLVM_NATIVE_ARCH STREQUAL "x86")
490 set(LLVM_NATIVE_ARCH X86)
491 elseif (LLVM_NATIVE_ARCH STREQUAL "amd64")
492 set(LLVM_NATIVE_ARCH X86)
493 elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64")
494 set(LLVM_NATIVE_ARCH X86)
495 elseif (LLVM_NATIVE_ARCH MATCHES "sparc")
496 set(LLVM_NATIVE_ARCH Sparc)
497 elseif (LLVM_NATIVE_ARCH MATCHES "powerpc")
498 set(LLVM_NATIVE_ARCH PowerPC)
499 elseif (LLVM_NATIVE_ARCH MATCHES "ppc64le")
500 set(LLVM_NATIVE_ARCH PowerPC)
501 elseif (LLVM_NATIVE_ARCH MATCHES "aarch64")
502 set(LLVM_NATIVE_ARCH AArch64)
503 elseif (LLVM_NATIVE_ARCH MATCHES "arm64")
504 set(LLVM_NATIVE_ARCH AArch64)
505 elseif (LLVM_NATIVE_ARCH MATCHES "arm")
506 set(LLVM_NATIVE_ARCH ARM)
507 elseif (LLVM_NATIVE_ARCH MATCHES "avr")
508 set(LLVM_NATIVE_ARCH AVR)
509 elseif (LLVM_NATIVE_ARCH MATCHES "mips")
510 set(LLVM_NATIVE_ARCH Mips)
511 elseif (LLVM_NATIVE_ARCH MATCHES "xcore")
512 set(LLVM_NATIVE_ARCH XCore)
513 elseif (LLVM_NATIVE_ARCH MATCHES "msp430")
514 set(LLVM_NATIVE_ARCH MSP430)
515 elseif (LLVM_NATIVE_ARCH MATCHES "hexagon")
516 set(LLVM_NATIVE_ARCH Hexagon)
517 elseif (LLVM_NATIVE_ARCH MATCHES "s390x")
518 set(LLVM_NATIVE_ARCH SystemZ)
519 elseif (LLVM_NATIVE_ARCH MATCHES "wasm32")
520 set(LLVM_NATIVE_ARCH WebAssembly)
521 elseif (LLVM_NATIVE_ARCH MATCHES "wasm64")
522 set(LLVM_NATIVE_ARCH WebAssembly)
523 elseif (LLVM_NATIVE_ARCH MATCHES "riscv32")
524 set(LLVM_NATIVE_ARCH RISCV)
525 elseif (LLVM_NATIVE_ARCH MATCHES "riscv64")
526 set(LLVM_NATIVE_ARCH RISCV)
527 elseif (LLVM_NATIVE_ARCH STREQUAL "m68k")
528 set(LLVM_NATIVE_ARCH M68k)
529 elseif (LLVM_NATIVE_ARCH MATCHES "loongarch")
530 set(LLVM_NATIVE_ARCH LoongArch)
532 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}")
535 # If build targets includes "host" or "Native", then replace with native architecture.
536 foreach (NATIVE_KEYWORD host Native)
537 list(FIND LLVM_TARGETS_TO_BUILD ${NATIVE_KEYWORD} idx)
539 list(REMOVE_AT LLVM_TARGETS_TO_BUILD ${idx})
540 list(APPEND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH})
541 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD)
545 if (NOT ${LLVM_NATIVE_ARCH} IN_LIST LLVM_TARGETS_TO_BUILD)
547 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code")
549 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}")
550 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target)
551 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo)
552 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC)
553 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter)
555 # We don't have an ASM parser for all architectures yet.
556 if (EXISTS ${PROJECT_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt)
557 set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser)
560 # We don't have an disassembler for all architectures yet.
561 if (EXISTS ${PROJECT_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt)
562 set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler)
568 set(stricmp "_stricmp")
569 set(strdup "_strdup")
571 # Allow setting clang-cl's /winsysroot flag.
572 set(LLVM_WINSYSROOT "" CACHE STRING
573 "If set, argument to clang-cl's /winsysroot")
576 set(MSVC_DIA_SDK_DIR "${LLVM_WINSYSROOT}/DIA SDK" CACHE PATH
577 "Path to the DIA SDK")
579 set(MSVC_DIA_SDK_DIR "$ENV{VSINSTALLDIR}DIA SDK" CACHE PATH
580 "Path to the DIA SDK")
583 # See if the DIA SDK is available and usable.
584 # Due to a bug in MSVC 2013's installation software, it is possible
585 # for MSVC 2013 to write the DIA SDK into the Visual Studio 2012
586 # install directory. If this happens, the installation is corrupt
587 # and there's nothing we can do. It happens with enough frequency
588 # though that we should handle it. We do so by simply checking that
589 # the DIA SDK folder exists. Should this happen you will need to
590 # uninstall VS 2012 and then re-install VS 2013.
591 if (IS_DIRECTORY "${MSVC_DIA_SDK_DIR}")
597 option(LLVM_ENABLE_DIA_SDK "Use MSVC DIA SDK for debugging if available."
600 if(LLVM_ENABLE_DIA_SDK AND NOT HAVE_DIA_SDK)
601 message(FATAL_ERROR "DIA SDK not found. If you have both VS 2012 and 2013 installed, you may need to uninstall the former and re-install the latter afterwards.")
604 set(LLVM_ENABLE_DIA_SDK 0)
607 if( LLVM_ENABLE_THREADS )
608 # Check if threading primitives aren't supported on this platform
609 if( NOT HAVE_PTHREAD_H AND NOT WIN32 )
610 set(LLVM_ENABLE_THREADS 0)
614 if( LLVM_ENABLE_THREADS )
615 message(STATUS "Threads enabled.")
616 else( LLVM_ENABLE_THREADS )
617 message(STATUS "Threads disabled.")
620 if (LLVM_ENABLE_DOXYGEN)
621 message(STATUS "Doxygen enabled.")
622 find_package(Doxygen REQUIRED)
625 # If we find doxygen and we want to enable doxygen by default create a
626 # global aggregate doxygen target for generating llvm and any/all
627 # subprojects doxygen documentation.
629 add_custom_target(doxygen ALL)
632 option(LLVM_DOXYGEN_EXTERNAL_SEARCH "Enable doxygen external search." OFF)
633 if (LLVM_DOXYGEN_EXTERNAL_SEARCH)
634 set(LLVM_DOXYGEN_SEARCHENGINE_URL "" CACHE STRING "URL to use for external search.")
635 set(LLVM_DOXYGEN_SEARCH_MAPPINGS "" CACHE STRING "Doxygen Search Mappings")
639 message(STATUS "Doxygen disabled.")
642 find_program(GOLD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.gold ld.gold ${LLVM_DEFAULT_TARGET_TRIPLE}-ld ld DOC "The gold linker")
643 set(LLVM_BINUTILS_INCDIR "" CACHE PATH
644 "PATH to binutils/include containing plugin-api.h for gold plugin.")
646 if(CMAKE_GENERATOR MATCHES "Ninja")
647 execute_process(COMMAND ${CMAKE_MAKE_PROGRAM} --version
648 OUTPUT_VARIABLE NINJA_VERSION
649 OUTPUT_STRIP_TRAILING_WHITESPACE)
650 set(NINJA_VERSION ${NINJA_VERSION} CACHE STRING "Ninja version number" FORCE)
651 message(STATUS "Ninja version: ${NINJA_VERSION}")
654 if(CMAKE_GENERATOR MATCHES "Ninja" AND
655 NOT "${NINJA_VERSION}" VERSION_LESS "1.9.0" AND
656 CMAKE_HOST_APPLE AND CMAKE_HOST_SYSTEM_VERSION VERSION_GREATER "15.6.0")
657 set(LLVM_TOUCH_STATIC_LIBRARIES ON)
660 if(CMAKE_HOST_APPLE AND APPLE)
661 if(NOT LD64_EXECUTABLE)
663 find_program(CMAKE_XCRUN NAMES xcrun)
666 # First, check if there's ld-classic, which is ld64 in newer SDKs.
668 execute_process(COMMAND ${CMAKE_XCRUN} -find ld-classic
669 OUTPUT_VARIABLE LD64_EXECUTABLE
670 OUTPUT_STRIP_TRAILING_WHITESPACE)
672 find_program(LD64_EXECUTABLE NAMES ld-classic DOC "The ld64 linker")
675 # Otherwise look for ld directly.
676 if(NOT LD64_EXECUTABLE)
678 execute_process(COMMAND ${CMAKE_XCRUN} -find ld
679 OUTPUT_VARIABLE LD64_EXECUTABLE
680 OUTPUT_STRIP_TRAILING_WHITESPACE)
682 find_program(LD64_EXECUTABLE NAMES ld DOC "The ld64 linker")
688 set(LD64_EXECUTABLE ${LD64_EXECUTABLE} CACHE PATH "ld64 executable")
689 message(STATUS "Found ld64 - ${LD64_EXECUTABLE}")
693 # Keep the version requirements in sync with bindings/ocaml/README.txt.
694 set(LLVM_BINDINGS "")
697 if(WIN32 OR NOT LLVM_ENABLE_BINDINGS)
698 message(STATUS "OCaml bindings disabled.")
701 if( NOT OCAML_FOUND )
702 message(STATUS "OCaml bindings disabled.")
704 if( OCAML_VERSION VERSION_LESS "4.00.0" )
705 message(STATUS "OCaml bindings disabled, need OCaml >=4.00.0.")
707 find_ocamlfind_package(ctypes VERSION 0.4 OPTIONAL)
708 if( HAVE_OCAML_CTYPES )
709 message(STATUS "OCaml bindings enabled.")
710 set(LLVM_BINDINGS "${LLVM_BINDINGS} ocaml")
712 set(LLVM_OCAML_INSTALL_PATH "${OCAML_STDLIB_PATH}" CACHE STRING
713 "Install directory for LLVM OCaml packages")
715 message(STATUS "OCaml bindings disabled, need ctypes >=0.4.")
721 string(REPLACE " " ";" LLVM_BINDINGS_LIST "${LLVM_BINDINGS}")
723 function(find_python_module module)
724 string(REPLACE "." "_" module_name ${module})
725 string(TOUPPER ${module_name} module_upper)
726 set(FOUND_VAR PY_${module_upper}_FOUND)
727 if (DEFINED ${FOUND_VAR})
731 execute_process(COMMAND "${Python3_EXECUTABLE}" "-c" "import ${module}"
732 RESULT_VARIABLE status
736 set(${FOUND_VAR} OFF CACHE BOOL "Failed to find python module '${module}'")
737 message(STATUS "Could NOT find Python module ${module}")
739 set(${FOUND_VAR} ON CACHE BOOL "Found python module '${module}'")
740 message(STATUS "Found Python module ${module}")
746 # Some systems still don't have pygments.lexers.c_cpp which was introduced in
747 # version 2.0 in 2014...
748 pygments.lexers.c_cpp
751 foreach(module ${PYTHON_MODULES})
752 find_python_module(${module})
755 if(PY_PYGMENTS_FOUND AND PY_PYGMENTS_LEXERS_C_CPP_FOUND AND PY_YAML_FOUND)
756 set (LLVM_HAVE_OPT_VIEWER_MODULES 1)
758 set (LLVM_HAVE_OPT_VIEWER_MODULES 0)
761 function(llvm_get_host_prefixes_and_suffixes)
762 # Not all platform files will set these variables (relying on them being
763 # implicitly empty if they're unset), so unset the variables before including
764 # the platform file, to prevent any values from the target system leaking.
765 unset(CMAKE_STATIC_LIBRARY_PREFIX)
766 unset(CMAKE_STATIC_LIBRARY_SUFFIX)
767 unset(CMAKE_SHARED_LIBRARY_PREFIX)
768 unset(CMAKE_SHARED_LIBRARY_SUFFIX)
769 unset(CMAKE_IMPORT_LIBRARY_PREFIX)
770 unset(CMAKE_IMPORT_LIBRARY_SUFFIX)
771 unset(CMAKE_EXECUTABLE_SUFFIX)
772 unset(CMAKE_LINK_LIBRARY_SUFFIX)
773 include(Platform/${CMAKE_HOST_SYSTEM_NAME} OPTIONAL RESULT_VARIABLE _includedFile)
775 set(LLVM_HOST_STATIC_LIBRARY_PREFIX ${CMAKE_STATIC_LIBRARY_PREFIX} PARENT_SCOPE)
776 set(LLVM_HOST_STATIC_LIBRARY_SUFFIX ${CMAKE_STATIC_LIBRARY_SUFFIX} PARENT_SCOPE)
777 set(LLVM_HOST_SHARED_LIBRARY_PREFIX ${CMAKE_SHARED_LIBRARY_PREFIX} PARENT_SCOPE)
778 set(LLVM_HOST_SHARED_LIBRARY_SUFFIX ${CMAKE_SHARED_LIBRARY_SUFFIX} PARENT_SCOPE)
779 set(LLVM_HOST_IMPORT_LIBRARY_PREFIX ${CMAKE_IMPORT_LIBRARY_PREFIX} PARENT_SCOPE)
780 set(LLVM_HOST_IMPORT_LIBRARY_SUFFIX ${CMAKE_IMPORT_LIBRARY_SUFFIX} PARENT_SCOPE)
781 set(LLVM_HOST_EXECUTABLE_SUFFIX ${CMAKE_EXECUTABLE_SUFFIX} PARENT_SCOPE)
782 set(LLVM_HOST_LINK_LIBRARY_SUFFIX ${CMAKE_LINK_LIBRARY_SUFFIX} PARENT_SCOPE)
786 llvm_get_host_prefixes_and_suffixes()