1 if( WIN32 AND NOT CYGWIN ) 2 # We consider Cygwin as another Unix 3 set(PURE_WINDOWS 1) 4 endif() 5 6 include(CheckIncludeFile) 7 include(CheckLibraryExists) 8 include(CheckSymbolExists) 9 include(CheckFunctionExists) 10 include(CheckCCompilerFlag) 11 12 include(CheckCompilerVersion) 13 include(HandleLLVMStdlib) 14 15 if( UNIX AND NOT (BEOS OR HAIKU) ) 16 # Used by check_symbol_exists: 17 list(APPEND CMAKE_REQUIRED_LIBRARIES "m") 18 endif() 19 # x86_64 FreeBSD 9.2 requires libcxxrt to be specified explicitly. 20 if( CMAKE_SYSTEM MATCHES "FreeBSD-9.2-RELEASE" AND 21 CMAKE_SIZEOF_VOID_P EQUAL 8 ) 22 list(APPEND CMAKE_REQUIRED_LIBRARIES "cxxrt") 23 endif() 24 25 # include checks 26 check_include_file(dlfcn.h HAVE_DLFCN_H) 27 check_include_file(errno.h HAVE_ERRNO_H) 28 check_include_file(fcntl.h HAVE_FCNTL_H) 29 check_include_file(link.h HAVE_LINK_H) 30 check_include_file(malloc.h HAVE_MALLOC_H) 31 check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H) 32 if( NOT PURE_WINDOWS ) 33 check_include_file(pthread.h HAVE_PTHREAD_H) 34 endif() 35 check_include_file(signal.h HAVE_SIGNAL_H) 36 check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H) 37 check_include_file(sys/mman.h HAVE_SYS_MMAN_H) 38 check_include_file(sys/param.h HAVE_SYS_PARAM_H) 39 check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H) 40 check_include_file(sys/stat.h HAVE_SYS_STAT_H) 41 check_include_file(sys/time.h HAVE_SYS_TIME_H) 42 check_include_file(sys/types.h HAVE_SYS_TYPES_H) 43 check_include_file(termios.h HAVE_TERMIOS_H) 44 check_include_file(unistd.h HAVE_UNISTD_H) 45 check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H) 46 check_include_file(zlib.h HAVE_ZLIB_H) 47 check_include_file(fenv.h HAVE_FENV_H) 48 check_symbol_exists(FE_ALL_EXCEPT "fenv.h" HAVE_DECL_FE_ALL_EXCEPT) 49 check_symbol_exists(FE_INEXACT "fenv.h" HAVE_DECL_FE_INEXACT) 50 51 check_include_file(mach/mach.h HAVE_MACH_MACH_H) 52 check_include_file(histedit.h HAVE_HISTEDIT_H) 53 check_include_file(CrashReporterClient.h HAVE_CRASHREPORTERCLIENT_H) 54 if(APPLE) 55 include(CheckCSourceCompiles) 56 CHECK_C_SOURCE_COMPILES(" 57 static const char *__crashreporter_info__ = 0; 58 asm(\".desc ___crashreporter_info__, 0x10\"); 59 int main() { return 0; }" 60 HAVE_CRASHREPORTER_INFO) 61 endif() 62 63 if(${CMAKE_SYSTEM_NAME} STREQUAL "Linux") 64 check_include_file(linux/magic.h HAVE_LINUX_MAGIC_H) 65 if(NOT HAVE_LINUX_MAGIC_H) 66 # older kernels use split files 67 check_include_file(linux/nfs_fs.h HAVE_LINUX_NFS_FS_H) 68 check_include_file(linux/smb.h HAVE_LINUX_SMB_H) 69 endif() 70 endif() 71 72 # library checks 73 if( NOT PURE_WINDOWS ) 74 check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD) 75 if (HAVE_LIBPTHREAD) 76 check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 77 check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 78 check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 79 else() 80 # this could be Android 81 check_library_exists(c pthread_create "" PTHREAD_IN_LIBC) 82 if (PTHREAD_IN_LIBC) 83 check_library_exists(c pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC) 84 check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT) 85 check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK) 86 endif() 87 endif() 88 check_library_exists(dl dlopen "" HAVE_LIBDL) 89 check_library_exists(rt clock_gettime "" HAVE_LIBRT) 90 endif() 91 92 # Check for libpfm. 93 include(FindLibpfm) 94 95 if(HAVE_LIBPTHREAD) 96 # We want to find pthreads library and at the moment we do want to 97 # have it reported as '-l<lib>' instead of '-pthread'. 98 # TODO: switch to -pthread once the rest of the build system can deal with it. 99 set(CMAKE_THREAD_PREFER_PTHREAD TRUE) 100 set(THREADS_HAVE_PTHREAD_ARG Off) 101 find_package(Threads REQUIRED) 102 set(LLVM_PTHREAD_LIB ${CMAKE_THREAD_LIBS_INIT}) 103 endif() 104 105 # Don't look for these libraries if we're using MSan, since uninstrumented third 106 # party code may call MSan interceptors like strlen, leading to false positives. 107 if(NOT LLVM_USE_SANITIZER MATCHES "Memory.*") 108 set(HAVE_LIBZ 0) 109 if(LLVM_ENABLE_ZLIB) 110 foreach(library z zlib_static zlib) 111 string(TOUPPER ${library} library_suffix) 112 check_library_exists(${library} compress2 "" HAVE_LIBZ_${library_suffix}) 113 if(HAVE_LIBZ_${library_suffix}) 114 set(HAVE_LIBZ 1) 115 set(ZLIB_LIBRARIES "${library}") 116 break() 117 endif() 118 endforeach() 119 endif() 120 121 # Don't look for these libraries on Windows. 122 if (NOT PURE_WINDOWS) 123 # Skip libedit if using ASan as it contains memory leaks. 124 if (LLVM_ENABLE_LIBEDIT AND HAVE_HISTEDIT_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*") 125 check_library_exists(edit el_init "" HAVE_LIBEDIT) 126 else() 127 set(HAVE_LIBEDIT 0) 128 endif() 129 if(LLVM_ENABLE_TERMINFO) 130 set(HAVE_TERMINFO 0) 131 foreach(library tinfo terminfo curses ncurses ncursesw) 132 string(TOUPPER ${library} library_suffix) 133 check_library_exists(${library} setupterm "" HAVE_TERMINFO_${library_suffix}) 134 if(HAVE_TERMINFO_${library_suffix}) 135 set(HAVE_TERMINFO 1) 136 set(TERMINFO_LIBS "${library}") 137 break() 138 endif() 139 endforeach() 140 else() 141 set(HAVE_TERMINFO 0) 142 endif() 143 144 find_library(ICONV_LIBRARY_PATH NAMES iconv libiconv libiconv-2 c) 145 set(LLVM_LIBXML2_ENABLED 0) 146 set(LIBXML2_FOUND 0) 147 if((LLVM_ENABLE_LIBXML2) AND ((CMAKE_SYSTEM_NAME MATCHES "Linux") AND (ICONV_LIBRARY_PATH) OR APPLE)) 148 find_package(LibXml2) 149 if (LIBXML2_FOUND) 150 set(LLVM_LIBXML2_ENABLED 1) 151 if ((CMAKE_OSX_SYSROOT) AND (EXISTS ${CMAKE_OSX_SYSROOT}/${LIBXML2_INCLUDE_DIR})) 152 include_directories(${CMAKE_OSX_SYSROOT}/${LIBXML2_INCLUDE_DIR}) 153 else() 154 include_directories(${LIBXML2_INCLUDE_DIR}) 155 endif() 156 set(LIBXML2_LIBS "xml2") 157 endif() 158 endif() 159 endif() 160 endif() 161 162 if (LLVM_ENABLE_LIBXML2 STREQUAL "FORCE_ON" AND NOT LLVM_LIBXML2_ENABLED) 163 message(FATAL_ERROR "Failed to congifure libxml2") 164 endif() 165 166 check_library_exists(xar xar_open "" HAVE_LIBXAR) 167 if(HAVE_LIBXAR) 168 set(XAR_LIB xar) 169 endif() 170 171 # function checks 172 check_symbol_exists(arc4random "stdlib.h" HAVE_DECL_ARC4RANDOM) 173 find_package(Backtrace) 174 set(HAVE_BACKTRACE ${Backtrace_FOUND}) 175 set(BACKTRACE_HEADER ${Backtrace_HEADER}) 176 177 # Prevent check_symbol_exists from using API that is not supported for a given 178 # deployment target. 179 check_c_compiler_flag("-Werror=unguarded-availability-new" "C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW") 180 if(C_SUPPORTS_WERROR_UNGUARDED_AVAILABILITY_NEW) 181 set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror=unguarded-availability-new") 182 endif() 183 184 check_symbol_exists(_Unwind_Backtrace "unwind.h" HAVE__UNWIND_BACKTRACE) 185 check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE) 186 check_symbol_exists(sysconf unistd.h HAVE_SYSCONF) 187 check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE) 188 check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT) 189 check_symbol_exists(isatty unistd.h HAVE_ISATTY) 190 check_symbol_exists(futimens sys/stat.h HAVE_FUTIMENS) 191 check_symbol_exists(futimes sys/time.h HAVE_FUTIMES) 192 check_symbol_exists(posix_fallocate fcntl.h HAVE_POSIX_FALLOCATE) 193 # AddressSanitizer conflicts with lib/Support/Unix/Signals.inc 194 # Avoid sigaltstack on Apple platforms, where backtrace() cannot handle it 195 # (rdar://7089625) and _Unwind_Backtrace is unusable because it cannot unwind 196 # past the signal handler after an assertion failure (rdar://29866587). 197 if( HAVE_SIGNAL_H AND NOT LLVM_USE_SANITIZER MATCHES ".*Address.*" AND NOT APPLE ) 198 check_symbol_exists(sigaltstack signal.h HAVE_SIGALTSTACK) 199 endif() 200 set(CMAKE_REQUIRED_DEFINITIONS "-D_LARGEFILE64_SOURCE") 201 check_symbol_exists(lseek64 "sys/types.h;unistd.h" HAVE_LSEEK64) 202 set(CMAKE_REQUIRED_DEFINITIONS "") 203 check_symbol_exists(mallctl malloc_np.h HAVE_MALLCTL) 204 check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO) 205 check_symbol_exists(malloc_zone_statistics malloc/malloc.h 206 HAVE_MALLOC_ZONE_STATISTICS) 207 check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT) 208 check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN) 209 check_symbol_exists(pread unistd.h HAVE_PREAD) 210 check_symbol_exists(realpath stdlib.h HAVE_REALPATH) 211 check_symbol_exists(sbrk unistd.h HAVE_SBRK) 212 check_symbol_exists(strerror string.h HAVE_STRERROR) 213 check_symbol_exists(strerror_r string.h HAVE_STRERROR_R) 214 check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S) 215 check_symbol_exists(setenv stdlib.h HAVE_SETENV) 216 if( PURE_WINDOWS ) 217 check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S) 218 219 check_function_exists(_alloca HAVE__ALLOCA) 220 check_function_exists(__alloca HAVE___ALLOCA) 221 check_function_exists(__chkstk HAVE___CHKSTK) 222 check_function_exists(__chkstk_ms HAVE___CHKSTK_MS) 223 check_function_exists(___chkstk HAVE____CHKSTK) 224 check_function_exists(___chkstk_ms HAVE____CHKSTK_MS) 225 226 check_function_exists(__ashldi3 HAVE___ASHLDI3) 227 check_function_exists(__ashrdi3 HAVE___ASHRDI3) 228 check_function_exists(__divdi3 HAVE___DIVDI3) 229 check_function_exists(__fixdfdi HAVE___FIXDFDI) 230 check_function_exists(__fixsfdi HAVE___FIXSFDI) 231 check_function_exists(__floatdidf HAVE___FLOATDIDF) 232 check_function_exists(__lshrdi3 HAVE___LSHRDI3) 233 check_function_exists(__moddi3 HAVE___MODDI3) 234 check_function_exists(__udivdi3 HAVE___UDIVDI3) 235 check_function_exists(__umoddi3 HAVE___UMODDI3) 236 237 check_function_exists(__main HAVE___MAIN) 238 check_function_exists(__cmpdi2 HAVE___CMPDI2) 239 endif() 240 if( HAVE_DLFCN_H ) 241 if( HAVE_LIBDL ) 242 list(APPEND CMAKE_REQUIRED_LIBRARIES dl) 243 endif() 244 check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN) 245 check_symbol_exists(dladdr dlfcn.h HAVE_DLADDR) 246 if( HAVE_LIBDL ) 247 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl) 248 endif() 249 endif() 250 251 check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC) 252 if( LLVM_USING_GLIBC ) 253 add_definitions( -D_GNU_SOURCE ) 254 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-D_GNU_SOURCE") 255 endif() 256 # This check requires _GNU_SOURCE 257 check_symbol_exists(sched_getaffinity sched.h HAVE_SCHED_GETAFFINITY) 258 check_symbol_exists(CPU_COUNT sched.h HAVE_CPU_COUNT) 259 if (NOT PURE_WINDOWS) 260 if (LLVM_PTHREAD_LIB) 261 list(APPEND CMAKE_REQUIRED_LIBRARIES ${LLVM_PTHREAD_LIB}) 262 endif() 263 check_symbol_exists(pthread_getname_np pthread.h HAVE_PTHREAD_GETNAME_NP) 264 check_symbol_exists(pthread_setname_np pthread.h HAVE_PTHREAD_SETNAME_NP) 265 if (LLVM_PTHREAD_LIB) 266 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${LLVM_PTHREAD_LIB}) 267 endif() 268 endif() 269 270 # available programs checks 271 function(llvm_find_program name) 272 string(TOUPPER ${name} NAME) 273 string(REGEX REPLACE "\\." "_" NAME ${NAME}) 274 275 find_program(LLVM_PATH_${NAME} NAMES ${ARGV}) 276 mark_as_advanced(LLVM_PATH_${NAME}) 277 if(LLVM_PATH_${NAME}) 278 set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?") 279 mark_as_advanced(HAVE_${NAME}) 280 else(LLVM_PATH_${NAME}) 281 set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?") 282 endif(LLVM_PATH_${NAME}) 283 endfunction() 284 285 if (LLVM_ENABLE_DOXYGEN) 286 llvm_find_program(dot) 287 endif () 288 289 if( LLVM_ENABLE_FFI ) 290 find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR}) 291 if( EXISTS "${FFI_INCLUDE_PATH}/ffi.h" ) 292 set(FFI_HEADER ffi.h CACHE INTERNAL "") 293 set(HAVE_FFI_H 1 CACHE INTERNAL "") 294 else() 295 find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR}) 296 if( EXISTS "${FFI_INCLUDE_PATH}/ffi/ffi.h" ) 297 set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "") 298 set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "") 299 endif() 300 endif() 301 302 if( NOT FFI_HEADER ) 303 message(FATAL_ERROR "libffi includes are not found.") 304 endif() 305 306 find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR}) 307 if( NOT FFI_LIBRARY_PATH ) 308 message(FATAL_ERROR "libffi is not found.") 309 endif() 310 311 list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 312 list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 313 check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL) 314 list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH}) 315 list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH}) 316 else() 317 unset(HAVE_FFI_FFI_H CACHE) 318 unset(HAVE_FFI_H CACHE) 319 unset(HAVE_FFI_CALL CACHE) 320 endif( LLVM_ENABLE_FFI ) 321 322 # Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported. 323 include(CheckAtomic) 324 325 if( LLVM_ENABLE_PIC ) 326 set(ENABLE_PIC 1) 327 else() 328 set(ENABLE_PIC 0) 329 check_cxx_compiler_flag("-fno-pie" SUPPORTS_NO_PIE_FLAG) 330 if(SUPPORTS_NO_PIE_FLAG) 331 set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fno-pie") 332 endif() 333 endif() 334 335 check_cxx_compiler_flag("-Wvariadic-macros" SUPPORTS_VARIADIC_MACROS_FLAG) 336 check_cxx_compiler_flag("-Wgnu-zero-variadic-macro-arguments" 337 SUPPORTS_GNU_ZERO_VARIADIC_MACRO_ARGUMENTS_FLAG) 338 339 set(USE_NO_MAYBE_UNINITIALIZED 0) 340 set(USE_NO_UNINITIALIZED 0) 341 342 # Disable gcc's potentially uninitialized use analysis as it presents lots of 343 # false positives. 344 if (CMAKE_COMPILER_IS_GNUCXX) 345 check_cxx_compiler_flag("-Wmaybe-uninitialized" HAS_MAYBE_UNINITIALIZED) 346 if (HAS_MAYBE_UNINITIALIZED) 347 set(USE_NO_MAYBE_UNINITIALIZED 1) 348 else() 349 # Only recent versions of gcc make the distinction between -Wuninitialized 350 # and -Wmaybe-uninitialized. If -Wmaybe-uninitialized isn't supported, just 351 # turn off all uninitialized use warnings. 352 check_cxx_compiler_flag("-Wuninitialized" HAS_UNINITIALIZED) 353 set(USE_NO_UNINITIALIZED ${HAS_UNINITIALIZED}) 354 endif() 355 endif() 356 357 # By default, we target the host, but this can be overridden at CMake 358 # invocation time. 359 include(GetHostTriple) 360 get_host_triple(LLVM_INFERRED_HOST_TRIPLE) 361 362 set(LLVM_HOST_TRIPLE "${LLVM_INFERRED_HOST_TRIPLE}" CACHE STRING 363 "Host on which LLVM binaries will run") 364 365 # Determine the native architecture. 366 string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH) 367 if( LLVM_NATIVE_ARCH STREQUAL "host" ) 368 string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE}) 369 endif () 370 371 if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86") 372 set(LLVM_NATIVE_ARCH X86) 373 elseif (LLVM_NATIVE_ARCH STREQUAL "x86") 374 set(LLVM_NATIVE_ARCH X86) 375 elseif (LLVM_NATIVE_ARCH STREQUAL "amd64") 376 set(LLVM_NATIVE_ARCH X86) 377 elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64") 378 set(LLVM_NATIVE_ARCH X86) 379 elseif (LLVM_NATIVE_ARCH MATCHES "sparc") 380 set(LLVM_NATIVE_ARCH Sparc) 381 elseif (LLVM_NATIVE_ARCH MATCHES "powerpc") 382 set(LLVM_NATIVE_ARCH PowerPC) 383 elseif (LLVM_NATIVE_ARCH MATCHES "aarch64") 384 set(LLVM_NATIVE_ARCH AArch64) 385 elseif (LLVM_NATIVE_ARCH MATCHES "arm64") 386 set(LLVM_NATIVE_ARCH AArch64) 387 elseif (LLVM_NATIVE_ARCH MATCHES "arm") 388 set(LLVM_NATIVE_ARCH ARM) 389 elseif (LLVM_NATIVE_ARCH MATCHES "mips") 390 set(LLVM_NATIVE_ARCH Mips) 391 elseif (LLVM_NATIVE_ARCH MATCHES "xcore") 392 set(LLVM_NATIVE_ARCH XCore) 393 elseif (LLVM_NATIVE_ARCH MATCHES "msp430") 394 set(LLVM_NATIVE_ARCH MSP430) 395 elseif (LLVM_NATIVE_ARCH MATCHES "hexagon") 396 set(LLVM_NATIVE_ARCH Hexagon) 397 elseif (LLVM_NATIVE_ARCH MATCHES "s390x") 398 set(LLVM_NATIVE_ARCH SystemZ) 399 elseif (LLVM_NATIVE_ARCH MATCHES "wasm32") 400 set(LLVM_NATIVE_ARCH WebAssembly) 401 elseif (LLVM_NATIVE_ARCH MATCHES "wasm64") 402 set(LLVM_NATIVE_ARCH WebAssembly) 403 elseif (LLVM_NATIVE_ARCH MATCHES "riscv32") 404 set(LLVM_NATIVE_ARCH RISCV) 405 elseif (LLVM_NATIVE_ARCH MATCHES "riscv64") 406 set(LLVM_NATIVE_ARCH RISCV) 407 else () 408 message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}") 409 endif () 410 411 # If build targets includes "host", then replace with native architecture. 412 list(FIND LLVM_TARGETS_TO_BUILD "host" idx) 413 if( NOT idx LESS 0 ) 414 list(REMOVE_AT LLVM_TARGETS_TO_BUILD ${idx}) 415 list(APPEND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH}) 416 list(REMOVE_DUPLICATES LLVM_TARGETS_TO_BUILD) 417 endif() 418 419 list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX) 420 if (NATIVE_ARCH_IDX EQUAL -1) 421 message(STATUS 422 "Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code") 423 else () 424 message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}") 425 set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target) 426 set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo) 427 set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC) 428 set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter) 429 430 # We don't have an ASM parser for all architectures yet. 431 if (EXISTS ${PROJECT_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt) 432 set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser) 433 endif () 434 435 # We don't have an disassembler for all architectures yet. 436 if (EXISTS ${PROJECT_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt) 437 set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler) 438 endif () 439 endif () 440 441 if( MSVC ) 442 set(SHLIBEXT ".lib") 443 set(stricmp "_stricmp") 444 set(strdup "_strdup") 445 446 # See if the DIA SDK is available and usable. 447 set(MSVC_DIA_SDK_DIR "$ENV{VSINSTALLDIR}DIA SDK") 448 449 # Due to a bug in MSVC 2013's installation software, it is possible 450 # for MSVC 2013 to write the DIA SDK into the Visual Studio 2012 451 # install directory. If this happens, the installation is corrupt 452 # and there's nothing we can do. It happens with enough frequency 453 # though that we should handle it. We do so by simply checking that 454 # the DIA SDK folder exists. Should this happen you will need to 455 # uninstall VS 2012 and then re-install VS 2013. 456 if (IS_DIRECTORY ${MSVC_DIA_SDK_DIR}) 457 set(HAVE_DIA_SDK 1) 458 else() 459 set(HAVE_DIA_SDK 0) 460 endif() 461 462 option(LLVM_ENABLE_DIA_SDK "Use MSVC DIA SDK for debugging if available." 463 ${HAVE_DIA_SDK}) 464 465 if(LLVM_ENABLE_DIA_SDK AND NOT HAVE_DIA_SDK) 466 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.") 467 endif() 468 else() 469 set(LLVM_ENABLE_DIA_SDK 0) 470 endif( MSVC ) 471 472 # FIXME: Signal handler return type, currently hardcoded to 'void' 473 set(RETSIGTYPE void) 474 475 if( LLVM_ENABLE_THREADS ) 476 # Check if threading primitives aren't supported on this platform 477 if( NOT HAVE_PTHREAD_H AND NOT WIN32 ) 478 set(LLVM_ENABLE_THREADS 0) 479 endif() 480 endif() 481 482 if( LLVM_ENABLE_THREADS ) 483 message(STATUS "Threads enabled.") 484 else( LLVM_ENABLE_THREADS ) 485 message(STATUS "Threads disabled.") 486 endif() 487 488 if (LLVM_ENABLE_ZLIB ) 489 # Check if zlib is available in the system. 490 if ( NOT HAVE_ZLIB_H OR NOT HAVE_LIBZ ) 491 set(LLVM_ENABLE_ZLIB 0) 492 endif() 493 endif() 494 495 if (LLVM_ENABLE_DOXYGEN) 496 message(STATUS "Doxygen enabled.") 497 find_package(Doxygen REQUIRED) 498 499 if (DOXYGEN_FOUND) 500 # If we find doxygen and we want to enable doxygen by default create a 501 # global aggregate doxygen target for generating llvm and any/all 502 # subprojects doxygen documentation. 503 if (LLVM_BUILD_DOCS) 504 add_custom_target(doxygen ALL) 505 endif() 506 507 option(LLVM_DOXYGEN_EXTERNAL_SEARCH "Enable doxygen external search." OFF) 508 if (LLVM_DOXYGEN_EXTERNAL_SEARCH) 509 set(LLVM_DOXYGEN_SEARCHENGINE_URL "" CACHE STRING "URL to use for external search.") 510 set(LLVM_DOXYGEN_SEARCH_MAPPINGS "" CACHE STRING "Doxygen Search Mappings") 511 endif() 512 endif() 513 else() 514 message(STATUS "Doxygen disabled.") 515 endif() 516 517 set(LLVM_BINDINGS "") 518 find_program(GO_EXECUTABLE NAMES go DOC "go executable") 519 if(WIN32 OR NOT LLVM_ENABLE_BINDINGS) 520 message(STATUS "Go bindings disabled.") 521 else() 522 if(GO_EXECUTABLE STREQUAL "GO_EXECUTABLE-NOTFOUND") 523 message(STATUS "Go bindings disabled.") 524 else() 525 execute_process(COMMAND ${GO_EXECUTABLE} run ${PROJECT_SOURCE_DIR}/bindings/go/conftest.go 526 RESULT_VARIABLE GO_CONFTEST) 527 if(GO_CONFTEST STREQUAL "0") 528 set(LLVM_BINDINGS "${LLVM_BINDINGS} go") 529 message(STATUS "Go bindings enabled.") 530 else() 531 message(STATUS "Go bindings disabled, need at least Go 1.2.") 532 endif() 533 endif() 534 endif() 535 536 find_program(GOLD_EXECUTABLE NAMES ${LLVM_DEFAULT_TARGET_TRIPLE}-ld.gold ld.gold ${LLVM_DEFAULT_TARGET_TRIPLE}-ld ld DOC "The gold linker") 537 set(LLVM_BINUTILS_INCDIR "" CACHE PATH 538 "PATH to binutils/include containing plugin-api.h for gold plugin.") 539 540 if(CMAKE_HOST_APPLE AND APPLE) 541 if(NOT CMAKE_XCRUN) 542 find_program(CMAKE_XCRUN NAMES xcrun) 543 endif() 544 if(CMAKE_XCRUN) 545 execute_process(COMMAND ${CMAKE_XCRUN} -find ld 546 OUTPUT_VARIABLE LD64_EXECUTABLE 547 OUTPUT_STRIP_TRAILING_WHITESPACE) 548 else() 549 find_program(LD64_EXECUTABLE NAMES ld DOC "The ld64 linker") 550 endif() 551 552 if(LD64_EXECUTABLE) 553 set(LD64_EXECUTABLE ${LD64_EXECUTABLE} CACHE PATH "ld64 executable") 554 message(STATUS "Found ld64 - ${LD64_EXECUTABLE}") 555 endif() 556 endif() 557 558 # Keep the version requirements in sync with bindings/ocaml/README.txt. 559 include(FindOCaml) 560 include(AddOCaml) 561 if(WIN32 OR NOT LLVM_ENABLE_BINDINGS) 562 message(STATUS "OCaml bindings disabled.") 563 else() 564 find_package(OCaml) 565 if( NOT OCAML_FOUND ) 566 message(STATUS "OCaml bindings disabled.") 567 else() 568 if( OCAML_VERSION VERSION_LESS "4.00.0" ) 569 message(STATUS "OCaml bindings disabled, need OCaml >=4.00.0.") 570 else() 571 find_ocamlfind_package(ctypes VERSION 0.4 OPTIONAL) 572 if( HAVE_OCAML_CTYPES ) 573 message(STATUS "OCaml bindings enabled.") 574 find_ocamlfind_package(oUnit VERSION 2 OPTIONAL) 575 set(LLVM_BINDINGS "${LLVM_BINDINGS} ocaml") 576 577 set(LLVM_OCAML_INSTALL_PATH "${OCAML_STDLIB_PATH}" CACHE STRING 578 "Install directory for LLVM OCaml packages") 579 else() 580 message(STATUS "OCaml bindings disabled, need ctypes >=0.4.") 581 endif() 582 endif() 583 endif() 584 endif() 585 586 string(REPLACE " " ";" LLVM_BINDINGS_LIST "${LLVM_BINDINGS}") 587 588 function(find_python_module module) 589 string(REPLACE "." "_" module_name ${module}) 590 string(TOUPPER ${module_name} module_upper) 591 set(FOUND_VAR PY_${module_upper}_FOUND) 592 593 execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c" "import ${module}" 594 RESULT_VARIABLE status 595 ERROR_QUIET) 596 597 if(status) 598 set(${FOUND_VAR} 0 PARENT_SCOPE) 599 message(STATUS "Could NOT find Python module ${module}") 600 else() 601 set(${FOUND_VAR} 1 PARENT_SCOPE) 602 message(STATUS "Found Python module ${module}") 603 endif() 604 endfunction() 605 606 set (PYTHON_MODULES 607 pygments 608 # Some systems still don't have pygments.lexers.c_cpp which was introduced in 609 # version 2.0 in 2014... 610 pygments.lexers.c_cpp 611 yaml 612 ) 613 foreach(module ${PYTHON_MODULES}) 614 find_python_module(${module}) 615 endforeach() 616 617 if(PY_PYGMENTS_FOUND AND PY_PYGMENTS_LEXERS_C_CPP_FOUND AND PY_YAML_FOUND) 618 set (LLVM_HAVE_OPT_VIEWER_MODULES 1) 619 else() 620 set (LLVM_HAVE_OPT_VIEWER_MODULES 0) 621 endif() 622
