1if( WIN32 AND NOT CYGWIN ) 2 # We consider Cygwin as another Unix 3 set(PURE_WINDOWS 1) 4endif() 5 6include(CheckIncludeFile) 7include(CheckLibraryExists) 8include(CheckSymbolExists) 9include(CheckFunctionExists) 10include(CheckStructHasMember) 11include(CheckCCompilerFlag) 12include(CMakePushCheckState) 13 14include(CheckCompilerVersion) 15include(HandleLLVMStdlib) 16 17if( UNIX AND NOT (APPLE OR BEOS OR HAIKU) ) 18 # Used by check_symbol_exists: 19 list(APPEND CMAKE_REQUIRED_LIBRARIES "m") 20endif() 21# x86_64 FreeBSD 9.2 requires libcxxrt to be specified explicitly. 22if( CMAKE_SYSTEM MATCHES "FreeBSD-9.2-RELEASE" AND 23 CMAKE_SIZEOF_VOID_P EQUAL 8 ) 24 list(APPEND CMAKE_REQUIRED_LIBRARIES "cxxrt") 25endif() 26 27# Do checks with _XOPEN_SOURCE and large-file API on AIX, because we will build 28# with those too. 29if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX") 30 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_XOPEN_SOURCE=700") 31 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_LARGE_FILE_API") 32endif() 33 34# Do checks with _FILE_OFFSET_BITS=64 on Solaris, because we will build 35# with those too. 36if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "SunOS") 37 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_FILE_OFFSET_BITS=64") 38endif() 39 40# include checks 41check_include_file(dlfcn.h HAVE_DLFCN_H) 42check_include_file(errno.h HAVE_ERRNO_H) 43check_include_file(fcntl.h HAVE_FCNTL_H) 44check_include_file(link.h HAVE_LINK_H) 45check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H) 46if( NOT PURE_WINDOWS ) 47 check_include_file(pthread.h HAVE_PTHREAD_H) 48endif() 49check_include_file(signal.h HAVE_SIGNAL_H) 50check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H) 51check_include_file(sys/mman.h HAVE_SYS_MMAN_H) 52check_include_file(sys/param.h HAVE_SYS_PARAM_H) 53check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H) 54check_include_file(sys/stat.h HAVE_SYS_STAT_H) 55check_include_file(sys/time.h HAVE_SYS_TIME_H) 56check_include_file(sys/types.h HAVE_SYS_TYPES_H) 57check_include_file(sysexits.h HAVE_SYSEXITS_H) 58check_include_file(termios.h HAVE_TERMIOS_H) 59check_include_file(unistd.h HAVE_UNISTD_H) 60check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H) 61check_include_file(fenv.h HAVE_FENV_H) 62check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT) 63check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT) 64 65check_include_file(mach/mach.h HAVE_MACH_MACH_H) 66check_include_file(histedit.h HAVE_HISTEDIT_H) 67check_include_file(CrashReporterClient.h HAVE_CRASHREPORTERCLIENT_H) 68if(APPLE) 69 include(CheckCSourceCompiles) 70 CHECK_C_SOURCE_COMPILES(" 71 static const char *__crashreporter_info__ = 0; 72 asm(\".desc ___crashreporter_info__, 0x10\"); 73 int main() { return 0; }" 74 HAVE_CRASHREPORTER_INFO) 75endif() 76 77if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux") 78 check_include_file(linux/magic.h HAVE_LINUX_MAGIC_H) 79 if(NOT HAVE_LINUX_MAGIC_H) 80 # older kernels use split files 81 check_include_file(linux/nfs_fs.h HAVE_LINUX_NFS_FS_H) 82 check_include_file(linux/smb.h HAVE_LINUX_SMB_H) 83 endif() 84endif() 85 86# library checks 87if( NOT PURE_WINDOWS ) 88 check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD) 89 if (HAVE_LIBPTHREAD) 90 check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 91 check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 92 check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 93 else() 94 # this could be Android 95 check_library_exists(c pthread_create "" PTHREAD_IN_LIBC) 96 if (PTHREAD_IN_LIBC) 97 check_library_exists(c pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 98 check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 99 check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 100 endif() 101 endif() 102 check_library_exists(dl dlopen "" HAVE_LIBDL) 103 check_library_exists(rt clock_gettime "" HAVE_LIBRT) 104endif() 105 106# Check for libpfm. 107include(FindLibpfm) 108 109if(HAVE_LIBPTHREAD) 110 # We want to find pthreads library and at the moment we do want to 111 # have it reported as '-l<lib>' instead of '-pthread'. 112 # TODO: switch to -pthread once the rest of the build system can deal with it. 113 set(CMAKE_THREAD_PREFER_PTHREAD TRUE) 114 set(THREADS_HAVE_PTHREAD_ARG Off) 115 find_package(Threads REQUIRED) 116 set(LLVM_PTHREAD_LIB ${CMAKE_THREAD_LIBS_INIT}) 117endif() 118 119if(LLVM_ENABLE_ZLIB) 120 if(LLVM_ENABLE_ZLIB STREQUAL FORCE_ON) 121 find_package(ZLIB REQUIRED) 122 elseif(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") 123 find_package(ZLIB) 124 endif() 125 if(ZLIB_FOUND) 126 # Check if zlib we found is usable; for example, we may have found a 32-bit 127 # library on a 64-bit system which would result in a link-time failure. 128 cmake_push_check_state() 129 list(APPEND CMAKE_REQUIRED_INCLUDES ${ZLIB_INCLUDE_DIRS}) 130 list(APPEND CMAKE_REQUIRED_LIBRARIES ${ZLIB_LIBRARY}) 131 check_symbol_exists(compress2 zlib.h HAVE_ZLIB) 132 cmake_pop_check_state() 133 if(LLVM_ENABLE_ZLIB STREQUAL FORCE_ON AND NOT HAVE_ZLIB) 134 message(FATAL_ERROR "Failed to configure zlib") 135 endif() 136 endif() 137 set(LLVM_ENABLE_ZLIB "${HAVE_ZLIB}") 138endif() 139 140if(LLVM_ENABLE_LIBXML2) 141 if(LLVM_ENABLE_LIBXML2 STREQUAL FORCE_ON) 142 find_package(LibXml2 REQUIRED) 143 elseif(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") 144 find_package(LibXml2) 145 endif() 146 if(LibXml2_FOUND) 147 # Check if libxml2 we found is usable; for example, we may have found a 32-bit 148 # library on a 64-bit system which would result in a link-time failure. 149 cmake_push_check_state() 150 list(APPEND CMAKE_REQUIRED_INCLUDES ${LIBXML2_INCLUDE_DIRS}) 151 list(APPEND CMAKE_REQUIRED_LIBRARIES ${LIBXML2_LIBRARIES}) 152 list(APPEND CMAKE_REQUIRED_DEFINITIONS ${LIBXML2_DEFINITIONS}) 153 check_symbol_exists(xmlReadMemory libxml/xmlreader.h HAVE_LIBXML2) 154 cmake_pop_check_state() 155 if(LLVM_ENABLE_LIBXML2 STREQUAL FORCE_ON AND NOT HAVE_LIBXML2) 156 message(FATAL_ERROR "Failed to configure libxml2") 157 endif() 158 endif() 159 set(LLVM_ENABLE_LIBXML2 "${HAVE_LIBXML2}") 160endif() 161 162# Don't look for these libraries if we're using MSan, since uninstrumented third 163# party code may call MSan interceptors like strlen, leading to false positives. 164if(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") 165 # Don't look for these libraries on Windows. 166 if (NOT PURE_WINDOWS) 167 # Skip libedit if using ASan as it contains memory leaks. 168 if (LLVM_ENABLE_LIBEDIT AND HAVE_HISTEDIT_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*") 169 check_library_exists(edit el_init "" HAVE_LIBEDIT) 170 else() 171 set(HAVE_LIBEDIT 0) 172 endif() 173 if(LLVM_ENABLE_TERMINFO STREQUAL FORCE_ON) 174 set(MAYBE_REQUIRED REQUIRED) 175 else() 176 set(MAYBE_REQUIRED) 177 endif() 178 if(LLVM_ENABLE_TERMINFO) 179 find_library(TERMINFO_LIB NAMES terminfo tinfo curses ncurses ncursesw ${MAYBE_REQUIRED}) 180 endif() 181 if(TERMINFO_LIB) 182 set(LLVM_ENABLE_TERMINFO 1) 183 else() 184 set(LLVM_ENABLE_TERMINFO 0) 185 endif() 186 else() 187 set(LLVM_ENABLE_TERMINFO 0) 188 endif() 189else() 190 set(LLVM_ENABLE_TERMINFO 0) 191endif() 192 193check_library_exists(xar xar_open "" LLVM_HAVE_LIBXAR) 194if(LLVM_HAVE_LIBXAR) 195 set(XAR_LIB xar) 196endif() 197 198# function checks 199check_symbol_exists(arc4random "stdlib.h" HAVE_DECL_ARC4RANDOM) 200find_package(Backtrace) 201set(HAVE_BACKTRACE ${Backtrace_FOUND}) 202set(BACKTRACE_HEADER ${Backtrace_HEADER}) 203 204# Prevent check_symbol_exists from using API that is not supported for a given 205# deployment target. 206check_c_compiler_flag("-Werror=unguarded-availability-new" "C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW") 207if(C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW) 208 set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror=unguarded-availability-new") 209endif() 210 211# Determine whether we can register EH tables. 212check_symbol_exists(__register_frame "${CMAKE_CURRENT_LIST_DIR}/unwind.h" HAVE_REGISTER_FRAME) 213check_symbol_exists(__deregister_frame "${CMAKE_CURRENT_LIST_DIR}/unwind.h" HAVE_DEREGISTER_FRAME) 214 215check_symbol_exists(_Unwind_Backtrace "unwind.h" HAVE__UNWIND_BACKTRACE) 216check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE) 217check_symbol_exists(sysconf unistd.h HAVE_SYSCONF) 218check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE) 219check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT) 220check_symbol_exists(isatty unistd.h HAVE_ISATTY) 221check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS) 222check_symbol_exists(futimes sys/time.h HAVE_FUTIMES) 223check_symbol_exists(posix_fallocate fcntl.h HAVE_POSIX_FALLOCATE) 224# AddressSanitizer conflicts with lib/Support/Unix/Signals.inc 225# Avoid sigaltstack on Apple platforms, where backtrace() cannot handle it 226# (rdar://7089625) and _Unwind_Backtrace is unusable because it cannot unwind 227# past the signal handler after an assertion failure (rdar://29866587). 228if( HAVE_SIGNAL_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*" AND NOT APPLE ) 229 check_symbol_exists(sigaltstack signal.h HAVE_SIGALTSTACK) 230endif() 231set(CMAKE_REQUIRED_DEFINITIONS "-D_LARGEFILE64_SOURCE") 232check_symbol_exists(lseek64 "sys/types.h;unistd.h" HAVE_LSEEK64) 233set(CMAKE_REQUIRED_DEFINITIONS "") 234check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL) 235check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO) 236check_symbol_exists(mallinfo2 malloc.h HAVE_MALLINFO2) 237check_symbol_exists(malloc_zone_statistics malloc/malloc.h 238 HAVE_MALLOC_ZONE_STATISTICS) 239check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT) 240check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN) 241check_symbol_exists(pread unistd.h HAVE_PREAD) 242check_symbol_exists(sbrk unistd.h HAVE_SBRK) 243check_symbol_exists(strerror string.h HAVE_STRERROR) 244check_symbol_exists(strerror_r string.h HAVE_STRERROR_R) 245check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S) 246check_symbol_exists(setenv stdlib.h HAVE_SETENV) 247if( PURE_WINDOWS ) 248 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S) 249 250 check_function_exists(_alloca HAVE__ALLOCA) 251 check_function_exists(__alloca HAVE___ALLOCA) 252 check_function_exists(__chkstk HAVE___CHKSTK) 253 check_function_exists(__chkstk_ms HAVE___CHKSTK_MS) 254 check_function_exists(___chkstk HAVE____CHKSTK) 255 check_function_exists(___chkstk_ms HAVE____CHKSTK_MS) 256 257 check_function_exists(__ashldi3 HAVE___ASHLDI3) 258 check_function_exists(__ashrdi3 HAVE___ASHRDI3) 259 check_function_exists(__divdi3 HAVE___DIVDI3) 260 check_function_exists(__fixdfdi HAVE___FIXDFDI) 261 check_function_exists(__fixsfdi HAVE___FIXSFDI) 262 check_function_exists(__floatdidf HAVE___FLOATDIDF) 263 check_function_exists(__lshrdi3 HAVE___LSHRDI3) 264 check_function_exists(__moddi3 HAVE___MODDI3) 265 check_function_exists(__udivdi3 HAVE___UDIVDI3) 266 check_function_exists(__umoddi3 HAVE___UMODDI3) 267 268 check_function_exists(__main HAVE___MAIN) 269 check_function_exists(__cmpdi2 HAVE___CMPDI2) 270endif() 271if( HAVE_DLFCN_H ) 272 if( HAVE_LIBDL ) 273 list(APPEND CMAKE_REQUIRED_LIBRARIES dl) 274 endif() 275 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN) 276 check_symbol_exists(dladdr dlfcn.h HAVE_DLADDR) 277 if( HAVE_LIBDL ) 278 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl) 279 endif() 280endif() 281 282CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec 283 "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC) 284if (UNIX AND ${CMAKE_SYSTEM_NAME} MATCHES "AIX") 285# The st_mtim.tv_nsec member of a `stat` structure is not reliable on some AIX 286# environments. 287 set(HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC 0) 288else() 289 CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec 290 "sys/types.h;sys/stat.h" HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC) 291endif() 292 293check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC) 294if( LLVM_USING_GLIBC ) 295 add_definitions( -D_GNU_SOURCE ) 296 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE") 297endif() 298# This check requires _GNU_SOURCE 299if (NOT PURE_WINDOWS) 300 if (LLVM_PTHREAD_LIB) 301 list(APPEND CMAKE_REQUIRED_LIBRARIES ${LLVM_PTHREAD_LIB}) 302 endif() 303 check_symbol_exists(pthread_getname_np pthread.h HAVE_PTHREAD_GETNAME_NP) 304 check_symbol_exists(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP) 305 if (LLVM_PTHREAD_LIB) 306 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${LLVM_PTHREAD_LIB}) 307 endif() 308endif() 309 310# available programs checks 311function(llvm_find_program name) 312 string(TOUPPER ${name} NAME) 313 string(REGEX REPLACE "\\." "_" NAME ${NAME}) 314 315 find_program(LLVM_PATH_${NAME} NAMES ${ARGV}) 316 mark_as_advanced(LLVM_PATH_${NAME}) 317 if(LLVM_PATH_${NAME}) 318 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?") 319 mark_as_advanced(HAVE_${NAME}) 320 else(LLVM_PATH_${NAME}) 321 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?") 322 endif(LLVM_PATH_${NAME}) 323endfunction() 324 325if (LLVM_ENABLE_DOXYGEN) 326 llvm_find_program(dot) 327endif () 328 329if( LLVM_ENABLE_FFI ) 330 find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR}) 331 if( EXISTS "${FFI_INCLUDE_PATH}/ffi.h" ) 332 set(FFI_HEADER ffi.h CACHE INTERNAL "") 333 set(HAVE_FFI_H 1 CACHE INTERNAL "") 334 else() 335 find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR}) 336 if( EXISTS "${FFI_INCLUDE_PATH}/ffi/ffi.h" ) 337 set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "") 338 set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "") 339 endif() 340 endif() 341 342 if( NOT FFI_HEADER ) 343 message(FATAL_ERROR "libffi includes are not found.") 344 endif() 345 346 find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR}) 347 if( NOT FFI_LIBRARY_PATH ) 348 message(FATAL_ERROR "libffi is not found.") 349 endif() 350 351 list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 352 list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 353 check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL) 354 list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 355 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 356else() 357 unset(HAVE_FFI_FFI_H CACHE) 358 unset(HAVE_FFI_H CACHE) 359 unset(HAVE_FFI_CALL CACHE) 360endif( LLVM_ENABLE_FFI ) 361 362check_symbol_exists(proc_pid_rusage "libproc.h" HAVE_PROC_PID_RUSAGE) 363 364# Whether we can use std::is_trivially_copyable to verify llvm::is_trivially_copyable. 365CHECK_CXX_SOURCE_COMPILES(" 366#include <type_traits> 367struct T { int val; }; 368static_assert(std::is_trivially_copyable<T>::value, \"ok\"); 369int main() { return 0;} 370" HAVE_STD_IS_TRIVIALLY_COPYABLE) 371 372 373# Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. 374include(CheckAtomic) 375 376if( LLVM_ENABLE_PIC ) 377 set(ENABLE_PIC 1) 378else() 379 set(ENABLE_PIC 0) 380 check_cxx_compiler_flag("-fno-pie" SUPPORTS_NO_PIE_FLAG) 381 if(SUPPORTS_NO_PIE_FLAG) 382 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fno-pie") 383 endif() 384endif() 385 386check_cxx_compiler_flag("-Wvariadic-macros" SUPPORTS_VARIADIC_MACROS_FLAG) 387check_cxx_compiler_flag("-Wgnu-zero-variadic-macro-arguments" 388 SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 389 390set(USE_NO_MAYBE_UNINITIALIZED 0) 391set(USE_NO_UNINITIALIZED 0) 392 393# Disable gcc's potentially uninitialized use analysis as it presents lots of 394# false positives. 395if (CMAKE_COMPILER_IS_GNUCXX) 396 check_cxx_compiler_flag("-Wmaybe-uninitialized" HAS_MAYBE_UNINITIALIZED) 397 if (HAS_MAYBE_UNINITIALIZED) 398 set(USE_NO_MAYBE_UNINITIALIZED 1) 399 else() 400 # Only recent versions of gcc make the distinction between -Wuninitialized 401 # and -Wmaybe-uninitialized. If -Wmaybe-uninitialized isn't supported, just 402 # turn off all uninitialized use warnings. 403 check_cxx_compiler_flag("-Wuninitialized" HAS_UNINITIALIZED) 404 set(USE_NO_UNINITIALIZED ${HAS_UNINITIALIZED}) 405 endif() 406endif() 407 408# By default, we target the host, but this can be overridden at CMake 409# invocation time. 410include(GetHostTriple) 411get_host_triple(LLVM_INFERRED_HOST_TRIPLE) 412 413set(LLVM_HOST_TRIPLE "${LLVM_INFERRED_HOST_TRIPLE}" CACHE STRING 414 "Host on which LLVM binaries will run") 415 416# Determine the native architecture. 417string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH) 418if( LLVM_NATIVE_ARCH STREQUAL "host" ) 419 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE}) 420endif () 421 422if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86") 423 set(LLVM_NATIVE_ARCH X86) 424elseif (LLVM_NATIVE_ARCH STREQUAL "x86") 425 set(LLVM_NATIVE_ARCH X86) 426elseif (LLVM_NATIVE_ARCH STREQUAL "amd64") 427 set(LLVM_NATIVE_ARCH X86) 428elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64") 429 set(LLVM_NATIVE_ARCH X86) 430elseif (LLVM_NATIVE_ARCH MATCHES "sparc") 431 set(LLVM_NATIVE_ARCH Sparc) 432elseif (LLVM_NATIVE_ARCH MATCHES "powerpc") 433 set(LLVM_NATIVE_ARCH PowerPC) 434elseif (LLVM_NATIVE_ARCH MATCHES "ppc64le") 435 set(LLVM_NATIVE_ARCH PowerPC) 436elseif (LLVM_NATIVE_ARCH MATCHES "aarch64") 437 set(LLVM_NATIVE_ARCH AArch64) 438elseif (LLVM_NATIVE_ARCH MATCHES "arm64") 439 set(LLVM_NATIVE_ARCH AArch64) 440elseif (LLVM_NATIVE_ARCH MATCHES "arm") 441 set(LLVM_NATIVE_ARCH ARM) 442elseif (LLVM_NATIVE_ARCH MATCHES "avr") 443 set(LLVM_NATIVE_ARCH AVR) 444elseif (LLVM_NATIVE_ARCH MATCHES "mips") 445 set(LLVM_NATIVE_ARCH Mips) 446elseif (LLVM_NATIVE_ARCH MATCHES "xcore") 447 set(LLVM_NATIVE_ARCH XCore) 448elseif (LLVM_NATIVE_ARCH MATCHES "msp430") 449 set(LLVM_NATIVE_ARCH MSP430) 450elseif (LLVM_NATIVE_ARCH MATCHES "hexagon") 451 set(LLVM_NATIVE_ARCH Hexagon) 452elseif (LLVM_NATIVE_ARCH MATCHES "s390x") 453 set(LLVM_NATIVE_ARCH SystemZ) 454elseif (LLVM_NATIVE_ARCH MATCHES "wasm32") 455 set(LLVM_NATIVE_ARCH WebAssembly) 456elseif (LLVM_NATIVE_ARCH MATCHES "wasm64") 457 set(LLVM_NATIVE_ARCH WebAssembly) 458elseif (LLVM_NATIVE_ARCH MATCHES "riscv32") 459 set(LLVM_NATIVE_ARCH RISCV) 460elseif (LLVM_NATIVE_ARCH MATCHES "riscv64") 461 set(LLVM_NATIVE_ARCH RISCV) 462elseif (LLVM_NATIVE_ARCH STREQUAL "m68k") 463 set(LLVM_NATIVE_ARCH M68k) 464else () 465 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") 466endif () 467 468# If build targets includes "host" or "Native", then replace with native architecture. 469foreach (NATIVE_KEYWORD host Native) 470 list(FIND LLVM_TARGETS_TO_BUILD ${NATIVE_KEYWORD} idx) 471 if( NOT idx LESS 0 ) 472 list(REMOVE_AT LLVM_TARGETS_TO_BUILD ${idx}) 473 list(APPEND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH}) 474 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD) 475 endif() 476endforeach() 477 478list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX) 479if (NATIVE_ARCH_IDX EQUAL -1) 480 message(STATUS 481 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code") 482else () 483 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}") 484 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target) 485 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo) 486 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC) 487 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter) 488 489 # We don't have an ASM parser for all architectures yet. 490 if (EXISTS ${PROJECT_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt) 491 set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser) 492 endif () 493 494 # We don't have an disassembler for all architectures yet. 495 if (EXISTS ${PROJECT_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt) 496 set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler) 497 endif () 498endif () 499 500if( MSVC ) 501 set(SHLIBEXT ".lib") 502 set(stricmp "_stricmp") 503 set(strdup "_strdup") 504 505 # See if the DIA SDK is available and usable. 506 set(MSVC_DIA_SDK_DIR "$ENV{VSINSTALLDIR}DIA SDK" CACHE PATH 507 "Path to the DIA SDK") 508 509 # Due to a bug in MSVC 2013's installation software, it is possible 510 # for MSVC 2013 to write the DIA SDK into the Visual Studio 2012 511 # install directory. If this happens, the installation is corrupt 512 # and there's nothing we can do. It happens with enough frequency 513 # though that we should handle it. We do so by simply checking that 514 # the DIA SDK folder exists. Should this happen you will need to 515 # uninstall VS 2012 and then re-install VS 2013. 516 if (IS_DIRECTORY "${MSVC_DIA_SDK_DIR}") 517 set(HAVE_DIA_SDK 1) 518 else() 519 set(HAVE_DIA_SDK 0) 520 endif() 521 522 option(LLVM_ENABLE_DIA_SDK "Use MSVC DIA SDK for debugging if available." 523 ${HAVE_DIA_SDK}) 524 525 if(LLVM_ENABLE_DIA_SDK AND NOT HAVE_DIA_SDK) 526 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.") 527 endif() 528else() 529 set(LLVM_ENABLE_DIA_SDK 0) 530endif( MSVC ) 531 532# FIXME: Signal handler return type, currently hardcoded to 'void' 533set(RETSIGTYPE void) 534 535if( LLVM_ENABLE_THREADS ) 536 # Check if threading primitives aren't supported on this platform 537 if( NOT HAVE_PTHREAD_H AND NOT WIN32 ) 538 set(LLVM_ENABLE_THREADS 0) 539 endif() 540endif() 541 542if( LLVM_ENABLE_THREADS ) 543 message(STATUS "Threads enabled.") 544else( LLVM_ENABLE_THREADS ) 545 message(STATUS "Threads disabled.") 546endif() 547 548if (LLVM_ENABLE_DOXYGEN) 549 message(STATUS "Doxygen enabled.") 550 find_package(Doxygen REQUIRED) 551 552 if (DOXYGEN_FOUND) 553 # If we find doxygen and we want to enable doxygen by default create a 554 # global aggregate doxygen target for generating llvm and any/all 555 # subprojects doxygen documentation. 556 if (LLVM_BUILD_DOCS) 557 add_custom_target(doxygen ALL) 558 endif() 559 560 option(LLVM_DOXYGEN_EXTERNAL_SEARCH "Enable doxygen external search." OFF) 561 if (LLVM_DOXYGEN_EXTERNAL_SEARCH) 562 set(LLVM_DOXYGEN_SEARCHENGINE_URL "" CACHE STRING "URL to use for external search.") 563 set(LLVM_DOXYGEN_SEARCH_MAPPINGS "" CACHE STRING "Doxygen Search Mappings") 564 endif() 565 endif() 566else() 567 message(STATUS "Doxygen disabled.") 568endif() 569 570set(LLVM_BINDINGS "") 571find_program(GO_EXECUTABLE NAMES go DOC "go executable") 572if(WIN32 OR NOT LLVM_ENABLE_BINDINGS) 573 message(STATUS "Go bindings disabled.") 574else() 575 if(GO_EXECUTABLE STREQUAL "GO_EXECUTABLE-NOTFOUND") 576 message(STATUS "Go bindings disabled.") 577 else() 578 execute_process(COMMAND ${GO_EXECUTABLE} run ${PROJECT_SOURCE_DIR}/bindings/go/conftest.go 579 RESULT_VARIABLE GO_CONFTEST) 580 if(GO_CONFTEST STREQUAL "0") 581 set(LLVM_BINDINGS "${LLVM_BINDINGS} go") 582 message(STATUS "Go bindings enabled.") 583 else() 584 message(STATUS "Go bindings disabled, need at least Go 1.2.") 585 endif() 586 endif() 587endif() 588 589find_program(GOLD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.gold ld.gold ${LLVM_DEFAULT_TARGET_TRIPLE}-ld ld DOC "The gold linker") 590set(LLVM_BINUTILS_INCDIR "" CACHE PATH 591 "PATH to binutils/include containing plugin-api.h for gold plugin.") 592 593if(CMAKE_GENERATOR STREQUAL "Ninja") 594 execute_process(COMMAND ${CMAKE_MAKE_PROGRAM} --version 595 OUTPUT_VARIABLE NINJA_VERSION 596 OUTPUT_STRIP_TRAILING_WHITESPACE) 597 set(NINJA_VERSION ${NINJA_VERSION} CACHE STRING "Ninja version number" FORCE) 598 message(STATUS "Ninja version: ${NINJA_VERSION}") 599endif() 600 601if(CMAKE_GENERATOR STREQUAL "Ninja" AND 602 NOT "${NINJA_VERSION}" VERSION_LESS "1.9.0" AND 603 CMAKE_HOST_APPLE AND CMAKE_HOST_SYSTEM_VERSION VERSION_GREATER "15.6.0") 604 set(LLVM_TOUCH_STATIC_LIBRARIES ON) 605endif() 606 607if(CMAKE_HOST_APPLE AND APPLE) 608 if(NOT CMAKE_XCRUN) 609 find_program(CMAKE_XCRUN NAMES xcrun) 610 endif() 611 if(CMAKE_XCRUN) 612 execute_process(COMMAND ${CMAKE_XCRUN} -find ld 613 OUTPUT_VARIABLE LD64_EXECUTABLE 614 OUTPUT_STRIP_TRAILING_WHITESPACE) 615 else() 616 find_program(LD64_EXECUTABLE NAMES ld DOC "The ld64 linker") 617 endif() 618 619 if(LD64_EXECUTABLE) 620 set(LD64_EXECUTABLE ${LD64_EXECUTABLE} CACHE PATH "ld64 executable") 621 message(STATUS "Found ld64 - ${LD64_EXECUTABLE}") 622 endif() 623endif() 624 625# Keep the version requirements in sync with bindings/ocaml/README.txt. 626include(FindOCaml) 627include(AddOCaml) 628if(WIN32 OR NOT LLVM_ENABLE_BINDINGS) 629 message(STATUS "OCaml bindings disabled.") 630else() 631 find_package(OCaml) 632 if( NOT OCAML_FOUND ) 633 message(STATUS "OCaml bindings disabled.") 634 else() 635 if( OCAML_VERSION VERSION_LESS "4.00.0" ) 636 message(STATUS "OCaml bindings disabled, need OCaml >=4.00.0.") 637 else() 638 find_ocamlfind_package(ctypes VERSION 0.4 OPTIONAL) 639 if( HAVE_OCAML_CTYPES ) 640 message(STATUS "OCaml bindings enabled.") 641 find_ocamlfind_package(oUnit VERSION 2 OPTIONAL) 642 set(LLVM_BINDINGS "${LLVM_BINDINGS} ocaml") 643 644 set(LLVM_OCAML_INSTALL_PATH "${OCAML_STDLIB_PATH}" CACHE STRING 645 "Install directory for LLVM OCaml packages") 646 else() 647 message(STATUS "OCaml bindings disabled, need ctypes >=0.4.") 648 endif() 649 endif() 650 endif() 651endif() 652 653string(REPLACE " " ";" LLVM_BINDINGS_LIST "${LLVM_BINDINGS}") 654 655function(find_python_module module) 656 string(REPLACE "." "_" module_name ${module}) 657 string(TOUPPER ${module_name} module_upper) 658 set(FOUND_VAR PY_${module_upper}_FOUND) 659 if (DEFINED ${FOUND_VAR}) 660 return() 661 endif() 662 663 execute_process(COMMAND "${Python3_EXECUTABLE}" "-c" "import ${module}" 664 RESULT_VARIABLE status 665 ERROR_QUIET) 666 667 if(status) 668 set(${FOUND_VAR} OFF CACHE BOOL "Failed to find python module '${module}'") 669 message(STATUS "Could NOT find Python module ${module}") 670 else() 671 set(${FOUND_VAR} ON CACHE BOOL "Found python module '${module}'") 672 message(STATUS "Found Python module ${module}") 673 endif() 674endfunction() 675 676set (PYTHON_MODULES 677 pygments 678 # Some systems still don't have pygments.lexers.c_cpp which was introduced in 679 # version 2.0 in 2014... 680 pygments.lexers.c_cpp 681 yaml 682 ) 683foreach(module ${PYTHON_MODULES}) 684 find_python_module(${module}) 685endforeach() 686 687if(PY_PYGMENTS_FOUND AND PY_PYGMENTS_LEXERS_C_CPP_FOUND AND PY_YAML_FOUND) 688 set (LLVM_HAVE_OPT_VIEWER_MODULES 1) 689else() 690 set (LLVM_HAVE_OPT_VIEWER_MODULES 0) 691endif() 692